./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product41_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_spec5_product41_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 5f4fa6f1cc0ba42b6f98a2dfe04ac0e8501306bf ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:48:05,356 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:48:05,360 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:48:05,383 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:48:05,384 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:48:05,385 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:48:05,386 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:48:05,389 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:48:05,391 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:48:05,392 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:48:05,392 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:48:05,393 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:48:05,394 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:48:05,395 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:48:05,396 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:48:05,397 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:48:05,398 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:48:05,399 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:48:05,402 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:48:05,403 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:48:05,404 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:48:05,406 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:48:05,408 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:48:05,409 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:48:05,409 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:48:05,410 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:48:05,411 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:48:05,412 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:48:05,413 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:48:05,414 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:48:05,414 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:48:05,415 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:48:05,415 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:48:05,415 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:48:05,416 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:48:05,417 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:48:05,418 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:48:05,445 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:48:05,446 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:48:05,447 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:48:05,447 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:48:05,447 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:48:05,447 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:48:05,451 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:48:05,451 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:48:05,451 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:48:05,452 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:48:05,452 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:48:05,452 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:48:05,452 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:48:05,452 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:48:05,452 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:48:05,454 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:48:05,454 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:48:05,454 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:48:05,454 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:48:05,455 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:48:05,455 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:48:05,455 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:48:05,455 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:48:05,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:48:05,458 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:48:05,458 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:48:05,458 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:48:05,459 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:48:05,459 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:48:05,459 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:48:05,459 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 -> 5f4fa6f1cc0ba42b6f98a2dfe04ac0e8501306bf [2018-11-28 18:48:05,518 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:48:05,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:48:05,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:48:05,537 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:48:05,538 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:48:05,539 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product41_true-unreach-call_false-termination.cil.c [2018-11-28 18:48:05,611 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a9c5b8ed/e7f8ae50b129426f8c1c887c1ab3807c/FLAG6096168a3 [2018-11-28 18:48:06,111 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:48:06,112 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product41_true-unreach-call_false-termination.cil.c [2018-11-28 18:48:06,136 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a9c5b8ed/e7f8ae50b129426f8c1c887c1ab3807c/FLAG6096168a3 [2018-11-28 18:48:06,427 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a9c5b8ed/e7f8ae50b129426f8c1c887c1ab3807c [2018-11-28 18:48:06,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:48:06,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:48:06,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:48:06,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:48:06,437 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:48:06,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:48:06" (1/1) ... [2018-11-28 18:48:06,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b9ec91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:06, skipping insertion in model container [2018-11-28 18:48:06,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:48:06" (1/1) ... [2018-11-28 18:48:06,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:48:06,494 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:48:06,886 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:48:06,907 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:48:07,108 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:48:07,153 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:48:07,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:07 WrapperNode [2018-11-28 18:48:07,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:48:07,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:48:07,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:48:07,155 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:48:07,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:07" (1/1) ... [2018-11-28 18:48:07,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:07" (1/1) ... [2018-11-28 18:48:07,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:48:07,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:48:07,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:48:07,227 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:48:07,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:07" (1/1) ... [2018-11-28 18:48:07,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:07" (1/1) ... [2018-11-28 18:48:07,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:07" (1/1) ... [2018-11-28 18:48:07,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:07" (1/1) ... [2018-11-28 18:48:07,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:07" (1/1) ... [2018-11-28 18:48:07,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:07" (1/1) ... [2018-11-28 18:48:07,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:07" (1/1) ... [2018-11-28 18:48:07,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:48:07,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:48:07,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:48:07,282 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:48:07,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:07" (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 18:48:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:48:07,340 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:48:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:48:07,341 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:48:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:48:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:48:07,341 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:48:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:48:07,341 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:48:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:48:07,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:48:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:48:07,342 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:48:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:48:07,342 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:48:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:48:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:48:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:48:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:48:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:48:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:48:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:48:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:48:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:48:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:48:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:48:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:48:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:48:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:48:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:48:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:48:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:48:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:48:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:48:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:48:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-28 18:48:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-28 18:48:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-28 18:48:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-28 18:48:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-28 18:48:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-28 18:48:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:48:07,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:48:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:48:07,349 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:48:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:48:07,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:48:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:48:07,350 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:48:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:48:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:48:07,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:48:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:48:07,351 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:48:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:48:07,351 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:48:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:48:07,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:48:08,483 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:48:08,484 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:48:08,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:48:08 BoogieIcfgContainer [2018-11-28 18:48:08,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:48:08,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:48:08,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:48:08,495 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:48:08,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:48:06" (1/3) ... [2018-11-28 18:48:08,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61491395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:48:08, skipping insertion in model container [2018-11-28 18:48:08,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:07" (2/3) ... [2018-11-28 18:48:08,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61491395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:48:08, skipping insertion in model container [2018-11-28 18:48:08,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:48:08" (3/3) ... [2018-11-28 18:48:08,499 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41_true-unreach-call_false-termination.cil.c [2018-11-28 18:48:08,509 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:48:08,518 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:48:08,536 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:48:08,572 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:48:08,573 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:48:08,573 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:48:08,573 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:48:08,573 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:48:08,573 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:48:08,573 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:48:08,573 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:48:08,574 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:48:08,599 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-11-28 18:48:08,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 18:48:08,609 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:08,611 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:48:08,613 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:08,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:08,620 INFO L82 PathProgramCache]: Analyzing trace with hash 858041049, now seen corresponding path program 1 times [2018-11-28 18:48:08,622 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:08,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:08,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:08,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:08,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:08,991 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 18:48:08,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:08,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:48:08,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:48:09,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:48:09,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:48:09,017 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-11-28 18:48:09,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:09,063 INFO L93 Difference]: Finished difference Result 256 states and 315 transitions. [2018-11-28 18:48:09,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:48:09,065 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-28 18:48:09,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:09,080 INFO L225 Difference]: With dead ends: 256 [2018-11-28 18:48:09,080 INFO L226 Difference]: Without dead ends: 130 [2018-11-28 18:48:09,085 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 18:48:09,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-28 18:48:09,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-28 18:48:09,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-28 18:48:09,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2018-11-28 18:48:09,148 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 59 [2018-11-28 18:48:09,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:09,149 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2018-11-28 18:48:09,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:48:09,149 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2018-11-28 18:48:09,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 18:48:09,154 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:09,154 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:48:09,154 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:09,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:09,155 INFO L82 PathProgramCache]: Analyzing trace with hash 783867362, now seen corresponding path program 1 times [2018-11-28 18:48:09,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:09,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:09,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:09,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:09,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:09,638 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 18:48:09,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:09,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:48:09,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:48:09,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:48:09,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:48:09,642 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 7 states. [2018-11-28 18:48:10,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:10,445 INFO L93 Difference]: Finished difference Result 232 states and 277 transitions. [2018-11-28 18:48:10,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:48:10,448 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-28 18:48:10,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:10,455 INFO L225 Difference]: With dead ends: 232 [2018-11-28 18:48:10,457 INFO L226 Difference]: Without dead ends: 130 [2018-11-28 18:48:10,461 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:48:10,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-28 18:48:10,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-28 18:48:10,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-28 18:48:10,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions. [2018-11-28 18:48:10,502 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 64 [2018-11-28 18:48:10,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:10,510 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions. [2018-11-28 18:48:10,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:48:10,510 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2018-11-28 18:48:10,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-28 18:48:10,514 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:10,515 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] [2018-11-28 18:48:10,515 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:10,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:10,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1131379335, now seen corresponding path program 1 times [2018-11-28 18:48:10,516 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:10,516 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:10,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:10,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:10,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:10,678 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 18:48:10,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:10,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:48:10,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:48:10,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:48:10,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:48:10,681 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. Second operand 3 states. [2018-11-28 18:48:10,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:10,712 INFO L93 Difference]: Finished difference Result 205 states and 235 transitions. [2018-11-28 18:48:10,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:48:10,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-11-28 18:48:10,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:10,717 INFO L225 Difference]: With dead ends: 205 [2018-11-28 18:48:10,719 INFO L226 Difference]: Without dead ends: 121 [2018-11-28 18:48:10,721 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 18:48:10,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-28 18:48:10,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-11-28 18:48:10,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-28 18:48:10,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2018-11-28 18:48:10,754 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 68 [2018-11-28 18:48:10,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:10,757 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2018-11-28 18:48:10,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:48:10,758 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2018-11-28 18:48:10,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-28 18:48:10,759 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:10,762 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] [2018-11-28 18:48:10,763 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:10,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:10,763 INFO L82 PathProgramCache]: Analyzing trace with hash -438397219, now seen corresponding path program 1 times [2018-11-28 18:48:10,764 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:10,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:10,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:10,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:10,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:11,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:48:11,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:11,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:48:11,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:48:11,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:48:11,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:48:11,051 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 5 states. [2018-11-28 18:48:12,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:12,465 INFO L93 Difference]: Finished difference Result 306 states and 367 transitions. [2018-11-28 18:48:12,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:48:12,466 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-11-28 18:48:12,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:12,470 INFO L225 Difference]: With dead ends: 306 [2018-11-28 18:48:12,471 INFO L226 Difference]: Without dead ends: 213 [2018-11-28 18:48:12,472 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:48:12,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-11-28 18:48:12,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 195. [2018-11-28 18:48:12,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-11-28 18:48:12,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 225 transitions. [2018-11-28 18:48:12,499 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 225 transitions. Word has length 72 [2018-11-28 18:48:12,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:12,500 INFO L480 AbstractCegarLoop]: Abstraction has 195 states and 225 transitions. [2018-11-28 18:48:12,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:48:12,500 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 225 transitions. [2018-11-28 18:48:12,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-28 18:48:12,504 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:12,504 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] [2018-11-28 18:48:12,504 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:12,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:12,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1346475372, now seen corresponding path program 1 times [2018-11-28 18:48:12,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:12,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:12,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:12,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:12,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:12,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:48:12,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:12,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:48:12,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:48:12,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:48:12,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:48:12,653 INFO L87 Difference]: Start difference. First operand 195 states and 225 transitions. Second operand 7 states. [2018-11-28 18:48:13,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:13,517 INFO L93 Difference]: Finished difference Result 379 states and 450 transitions. [2018-11-28 18:48:13,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 18:48:13,520 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2018-11-28 18:48:13,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:13,523 INFO L225 Difference]: With dead ends: 379 [2018-11-28 18:48:13,524 INFO L226 Difference]: Without dead ends: 212 [2018-11-28 18:48:13,525 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:48:13,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-11-28 18:48:13,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 194. [2018-11-28 18:48:13,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-11-28 18:48:13,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 222 transitions. [2018-11-28 18:48:13,551 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 222 transitions. Word has length 86 [2018-11-28 18:48:13,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:13,551 INFO L480 AbstractCegarLoop]: Abstraction has 194 states and 222 transitions. [2018-11-28 18:48:13,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:48:13,553 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 222 transitions. [2018-11-28 18:48:13,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-28 18:48:13,555 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:13,556 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] [2018-11-28 18:48:13,556 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:13,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:13,556 INFO L82 PathProgramCache]: Analyzing trace with hash 961803555, now seen corresponding path program 1 times [2018-11-28 18:48:13,556 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:13,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:13,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:13,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:13,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:13,994 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 18:48:13,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:13,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:48:13,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:48:13,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:48:13,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:48:13,997 INFO L87 Difference]: Start difference. First operand 194 states and 222 transitions. Second operand 6 states. [2018-11-28 18:48:14,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:14,390 INFO L93 Difference]: Finished difference Result 367 states and 430 transitions. [2018-11-28 18:48:14,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:48:14,391 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2018-11-28 18:48:14,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:14,398 INFO L225 Difference]: With dead ends: 367 [2018-11-28 18:48:14,398 INFO L226 Difference]: Without dead ends: 201 [2018-11-28 18:48:14,399 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:48:14,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-11-28 18:48:14,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 199. [2018-11-28 18:48:14,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-11-28 18:48:14,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 227 transitions. [2018-11-28 18:48:14,435 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 227 transitions. Word has length 102 [2018-11-28 18:48:14,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:14,436 INFO L480 AbstractCegarLoop]: Abstraction has 199 states and 227 transitions. [2018-11-28 18:48:14,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:48:14,436 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 227 transitions. [2018-11-28 18:48:14,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-28 18:48:14,440 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:14,440 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] [2018-11-28 18:48:14,441 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:14,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:14,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1087584287, now seen corresponding path program 1 times [2018-11-28 18:48:14,441 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:14,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:14,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:14,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:14,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:14,636 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 18:48:14,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:14,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:48:14,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:48:14,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:48:14,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:48:14,638 INFO L87 Difference]: Start difference. First operand 199 states and 227 transitions. Second operand 8 states. [2018-11-28 18:48:14,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:14,680 INFO L93 Difference]: Finished difference Result 377 states and 441 transitions. [2018-11-28 18:48:14,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:48:14,680 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2018-11-28 18:48:14,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:14,682 INFO L225 Difference]: With dead ends: 377 [2018-11-28 18:48:14,683 INFO L226 Difference]: Without dead ends: 206 [2018-11-28 18:48:14,683 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:48:14,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-11-28 18:48:14,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 203. [2018-11-28 18:48:14,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-11-28 18:48:14,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 231 transitions. [2018-11-28 18:48:14,710 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 231 transitions. Word has length 102 [2018-11-28 18:48:14,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:14,710 INFO L480 AbstractCegarLoop]: Abstraction has 203 states and 231 transitions. [2018-11-28 18:48:14,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:48:14,710 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 231 transitions. [2018-11-28 18:48:14,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-28 18:48:14,713 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:14,713 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] [2018-11-28 18:48:14,713 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:14,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:14,714 INFO L82 PathProgramCache]: Analyzing trace with hash -118003264, now seen corresponding path program 1 times [2018-11-28 18:48:14,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:14,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:14,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:14,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:14,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:14,902 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 18:48:14,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:14,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:48:14,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:48:14,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:48:14,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:48:14,904 INFO L87 Difference]: Start difference. First operand 203 states and 231 transitions. Second operand 4 states. [2018-11-28 18:48:15,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:15,307 INFO L93 Difference]: Finished difference Result 568 states and 679 transitions. [2018-11-28 18:48:15,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:48:15,308 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2018-11-28 18:48:15,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:15,313 INFO L225 Difference]: With dead ends: 568 [2018-11-28 18:48:15,313 INFO L226 Difference]: Without dead ends: 393 [2018-11-28 18:48:15,314 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:48:15,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-11-28 18:48:15,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 384. [2018-11-28 18:48:15,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-11-28 18:48:15,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 449 transitions. [2018-11-28 18:48:15,348 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 449 transitions. Word has length 102 [2018-11-28 18:48:15,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:15,349 INFO L480 AbstractCegarLoop]: Abstraction has 384 states and 449 transitions. [2018-11-28 18:48:15,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:48:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 449 transitions. [2018-11-28 18:48:15,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-28 18:48:15,352 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:15,352 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] [2018-11-28 18:48:15,353 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:15,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:15,353 INFO L82 PathProgramCache]: Analyzing trace with hash -2033021126, now seen corresponding path program 1 times [2018-11-28 18:48:15,353 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:15,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:15,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:15,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:15,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:15,554 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 18:48:15,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:15,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:48:15,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:48:15,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:48:15,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:48:15,556 INFO L87 Difference]: Start difference. First operand 384 states and 449 transitions. Second operand 9 states. [2018-11-28 18:48:17,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:17,668 INFO L93 Difference]: Finished difference Result 1013 states and 1237 transitions. [2018-11-28 18:48:17,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 18:48:17,670 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2018-11-28 18:48:17,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:17,675 INFO L225 Difference]: With dead ends: 1013 [2018-11-28 18:48:17,676 INFO L226 Difference]: Without dead ends: 720 [2018-11-28 18:48:17,686 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:48:17,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2018-11-28 18:48:17,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 650. [2018-11-28 18:48:17,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2018-11-28 18:48:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 751 transitions. [2018-11-28 18:48:17,769 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 751 transitions. Word has length 106 [2018-11-28 18:48:17,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:17,769 INFO L480 AbstractCegarLoop]: Abstraction has 650 states and 751 transitions. [2018-11-28 18:48:17,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:48:17,770 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 751 transitions. [2018-11-28 18:48:17,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-28 18:48:17,773 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:17,774 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:48:17,774 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:17,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:17,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1842494599, now seen corresponding path program 1 times [2018-11-28 18:48:17,775 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:17,775 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:17,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:17,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:17,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:18,127 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-28 18:48:18,127 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:48:18,127 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 18:48:18,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:18,352 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:48:19,204 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:48:19,236 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:48:19,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-28 18:48:19,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 18:48:19,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 18:48:19,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-11-28 18:48:19,238 INFO L87 Difference]: Start difference. First operand 650 states and 751 transitions. Second operand 16 states. [2018-11-28 18:48:21,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:21,307 INFO L93 Difference]: Finished difference Result 1014 states and 1193 transitions. [2018-11-28 18:48:21,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 18:48:21,308 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 149 [2018-11-28 18:48:21,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:21,309 INFO L225 Difference]: With dead ends: 1014 [2018-11-28 18:48:21,309 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:48:21,313 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2018-11-28 18:48:21,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:48:21,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:48:21,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:48:21,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:48:21,314 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2018-11-28 18:48:21,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:21,314 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:48:21,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-28 18:48:21,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:48:21,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:48:21,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:48:21,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:48:21,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:48:21,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:48:22,164 WARN L180 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 18 [2018-11-28 18:48:22,419 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2018-11-28 18:48:22,727 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2018-11-28 18:48:22,864 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2018-11-28 18:48:23,033 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-11-28 18:48:23,482 WARN L180 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2018-11-28 18:48:23,930 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2018-11-28 18:48:24,205 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2018-11-28 18:48:24,338 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2018-11-28 18:48:24,679 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2018-11-28 18:48:25,157 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2018-11-28 18:48:25,552 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 919 925) the Hoare annotation is: true [2018-11-28 18:48:25,552 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 919 925) no Hoare annotation was computed. [2018-11-28 18:48:25,552 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 926 934) no Hoare annotation was computed. [2018-11-28 18:48:25,552 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 926 934) the Hoare annotation is: true [2018-11-28 18:48:25,552 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 926 934) no Hoare annotation was computed. [2018-11-28 18:48:25,553 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-28 18:48:25,553 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-28 18:48:25,553 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-28 18:48:25,553 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))) .cse3))) [2018-11-28 18:48:25,553 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2018-11-28 18:48:25,553 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-28 18:48:25,553 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2018-11-28 18:48:25,554 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2018-11-28 18:48:25,554 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse4) (or .cse3 .cse1 .cse4 .cse2))) [2018-11-28 18:48:25,554 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2018-11-28 18:48:25,554 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-28 18:48:25,554 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2018-11-28 18:48:25,554 INFO L444 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse1))) [2018-11-28 18:48:25,554 INFO L448 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-11-28 18:48:25,554 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2018-11-28 18:48:25,555 INFO L448 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2018-11-28 18:48:25,555 INFO L451 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2018-11-28 18:48:25,555 INFO L448 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-11-28 18:48:25,555 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 271 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-28 18:48:25,555 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:48:25,555 INFO L444 ceAbstractionStarter]: At program point L283-1(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:48:25,555 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 288) no Hoare annotation was computed. [2018-11-28 18:48:25,555 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed. [2018-11-28 18:48:25,556 INFO L448 ceAbstractionStarter]: For program point L281-1(lines 281 288) no Hoare annotation was computed. [2018-11-28 18:48:25,556 INFO L448 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2018-11-28 18:48:25,556 INFO L444 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-28 18:48:25,556 INFO L444 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-28 18:48:25,556 INFO L444 ceAbstractionStarter]: At program point L277-1(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-28 18:48:25,556 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed. [2018-11-28 18:48:25,556 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 405 413) no Hoare annotation was computed. [2018-11-28 18:48:25,557 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 405 413) the Hoare annotation is: true [2018-11-28 18:48:25,557 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 405 413) no Hoare annotation was computed. [2018-11-28 18:48:25,557 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 912 918) no Hoare annotation was computed. [2018-11-28 18:48:25,557 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 912 918) the Hoare annotation is: true [2018-11-28 18:48:25,557 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-28 18:48:25,557 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed. [2018-11-28 18:48:25,557 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed. [2018-11-28 18:48:25,557 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:48:25,558 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 394 404) the Hoare annotation is: true [2018-11-28 18:48:25,558 INFO L451 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: true [2018-11-28 18:48:25,558 INFO L448 ceAbstractionStarter]: For program point L399-1(line 399) no Hoare annotation was computed. [2018-11-28 18:48:25,558 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 394 404) no Hoare annotation was computed. [2018-11-28 18:48:25,558 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 394 404) no Hoare annotation was computed. [2018-11-28 18:48:25,558 INFO L448 ceAbstractionStarter]: For program point L354-1(lines 335 359) no Hoare annotation was computed. [2018-11-28 18:48:25,558 INFO L444 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (and (= processEnvironment_~tmp~2 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) (or .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2018-11-28 18:48:25,558 INFO L444 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2)))))) [2018-11-28 18:48:25,559 INFO L448 ceAbstractionStarter]: For program point L343(lines 343 351) no Hoare annotation was computed. [2018-11-28 18:48:25,559 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 335 359) no Hoare annotation was computed. [2018-11-28 18:48:25,559 INFO L444 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2))) .cse3) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-28 18:48:25,559 INFO L448 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2018-11-28 18:48:25,559 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 335 359) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2))) .cse3) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-28 18:48:25,559 INFO L448 ceAbstractionStarter]: For program point L339(lines 339 356) no Hoare annotation was computed. [2018-11-28 18:48:25,559 INFO L444 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-28 18:48:25,559 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 177 190) no Hoare annotation was computed. [2018-11-28 18:48:25,560 INFO L448 ceAbstractionStarter]: For program point L181(lines 181 187) no Hoare annotation was computed. [2018-11-28 18:48:25,560 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 177 190) the Hoare annotation is: true [2018-11-28 18:48:25,560 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 177 190) no Hoare annotation was computed. [2018-11-28 18:48:25,560 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 327 333) no Hoare annotation was computed. [2018-11-28 18:48:25,560 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 327 333) the Hoare annotation is: true [2018-11-28 18:48:25,560 INFO L448 ceAbstractionStarter]: For program point L481(lines 480 525) no Hoare annotation was computed. [2018-11-28 18:48:25,560 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 470 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:48:25,560 INFO L448 ceAbstractionStarter]: For program point L510(lines 510 521) no Hoare annotation was computed. [2018-11-28 18:48:25,560 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 470 533) no Hoare annotation was computed. [2018-11-28 18:48:25,561 INFO L444 ceAbstractionStarter]: At program point L502(line 502) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse3 (= 1 ~waterLevel~0) .cse2))) [2018-11-28 18:48:25,561 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 506) no Hoare annotation was computed. [2018-11-28 18:48:25,561 INFO L448 ceAbstractionStarter]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2018-11-28 18:48:25,561 INFO L444 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1) .cse2 .cse3) (and .cse2 .cse4 .cse1) (and .cse4 .cse1 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse1))) [2018-11-28 18:48:25,561 INFO L444 ceAbstractionStarter]: At program point L523(lines 480 525) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse2))) [2018-11-28 18:48:25,561 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2018-11-28 18:48:25,561 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 490 496) no Hoare annotation was computed. [2018-11-28 18:48:25,562 INFO L448 ceAbstractionStarter]: For program point L482(lines 482 486) no Hoare annotation was computed. [2018-11-28 18:48:25,562 INFO L444 ceAbstractionStarter]: At program point L526(lines 479 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:48:25,562 INFO L448 ceAbstractionStarter]: For program point L516(lines 516 520) no Hoare annotation was computed. [2018-11-28 18:48:25,562 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 470 533) no Hoare annotation was computed. [2018-11-28 18:48:25,562 INFO L444 ceAbstractionStarter]: At program point L516-2(lines 510 521) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse3 (= 1 ~waterLevel~0) .cse2))) [2018-11-28 18:48:25,562 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 360 367) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 18:48:25,562 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 360 367) no Hoare annotation was computed. [2018-11-28 18:48:25,562 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 360 367) no Hoare annotation was computed. [2018-11-28 18:48:25,563 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:48:25,563 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0))) [2018-11-28 18:48:25,563 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:48:25,563 INFO L444 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 18:48:25,563 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 369 385) no Hoare annotation was computed. [2018-11-28 18:48:25,563 INFO L448 ceAbstractionStarter]: For program point L380-1(lines 369 385) no Hoare annotation was computed. [2018-11-28 18:48:25,563 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 369 385) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 18:48:25,563 INFO L448 ceAbstractionStarter]: For program point L376(lines 376 382) no Hoare annotation was computed. [2018-11-28 18:48:25,563 INFO L444 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 18:48:25,564 INFO L448 ceAbstractionStarter]: For program point L374-1(line 374) no Hoare annotation was computed. [2018-11-28 18:48:25,564 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 450 468) no Hoare annotation was computed. [2018-11-28 18:48:25,564 INFO L448 ceAbstractionStarter]: For program point L459(lines 459 463) no Hoare annotation was computed. [2018-11-28 18:48:25,564 INFO L451 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: true [2018-11-28 18:48:25,564 INFO L448 ceAbstractionStarter]: For program point L459-2(lines 459 463) no Hoare annotation was computed. [2018-11-28 18:48:25,564 INFO L448 ceAbstractionStarter]: For program point L457-1(line 457) no Hoare annotation was computed. [2018-11-28 18:48:25,564 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 450 468) the Hoare annotation is: true [2018-11-28 18:48:25,564 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 450 468) no Hoare annotation was computed. [2018-11-28 18:48:25,564 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 168 176) the Hoare annotation is: true [2018-11-28 18:48:25,564 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 168 176) no Hoare annotation was computed. [2018-11-28 18:48:25,565 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 168 176) no Hoare annotation was computed. [2018-11-28 18:48:25,565 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2018-11-28 18:48:25,565 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 124 135) the Hoare annotation is: true [2018-11-28 18:48:25,565 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 124 135) no Hoare annotation was computed. [2018-11-28 18:48:25,565 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or .cse4 .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse2)) (or (or .cse3 .cse7) .cse0 (and .cse6 .cse1 .cse2)) (or (or .cse4 .cse3 .cse7) (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2)))) [2018-11-28 18:48:25,565 INFO L444 ceAbstractionStarter]: At program point L314(lines 314 320) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= 1 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or .cse4 .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse2)) (or (or .cse3 .cse7) .cse0 (and .cse6 .cse1 .cse2)) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse5 .cse8 .cse2) (and .cse1 .cse8) (or .cse4 .cse3 .cse7))))) [2018-11-28 18:48:25,565 INFO L444 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and .cse3 .cse4 .cse5) (or .cse1 .cse2) .cse6) (or (and .cse3 (or (= ~waterLevel~0 1) .cse4) .cse5) .cse6 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2018-11-28 18:48:25,566 INFO L448 ceAbstractionStarter]: For program point L307(lines 303 325) no Hoare annotation was computed. [2018-11-28 18:48:25,566 INFO L448 ceAbstractionStarter]: For program point L305(lines 303 325) no Hoare annotation was computed. [2018-11-28 18:48:25,566 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 300 326) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 0 ~pumpRunning~0)) (.cse10 (= ~pumpRunning~0 1)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse7 (or .cse0 .cse1 .cse8)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (and .cse5 (= 1 ~waterLevel~0)) .cse1 .cse3) (or (and .cse5 .cse6) .cse7) (or (or .cse1 .cse8) .cse9 (and .cse10 .cse6)) (or (and .cse10 .cse6 .cse4) .cse9 .cse1 .cse2) (or .cse2 .cse7 .cse4)))) [2018-11-28 18:48:25,566 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 300 326) no Hoare annotation was computed. [2018-11-28 18:48:25,566 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 300 326) no Hoare annotation was computed. [2018-11-28 18:48:25,566 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2018-11-28 18:48:25,566 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2018-11-28 18:48:25,566 INFO L451 ceAbstractionStarter]: At program point L219(lines 194 223) the Hoare annotation is: true [2018-11-28 18:48:25,566 INFO L448 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2018-11-28 18:48:25,566 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2018-11-28 18:48:25,567 INFO L451 ceAbstractionStarter]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2018-11-28 18:48:25,567 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-28 18:48:25,567 INFO L451 ceAbstractionStarter]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2018-11-28 18:48:25,567 INFO L451 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: true [2018-11-28 18:48:25,567 INFO L448 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-11-28 18:48:25,567 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 136 144) the Hoare annotation is: true [2018-11-28 18:48:25,567 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 136 144) no Hoare annotation was computed. [2018-11-28 18:48:25,567 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 136 144) no Hoare annotation was computed. [2018-11-28 18:48:25,567 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 100 111) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (or (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 2))) (or (or (= ~waterLevel~0 1) .cse0) .cse1 .cse2 .cse3))) [2018-11-28 18:48:25,568 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 100 111) no Hoare annotation was computed. [2018-11-28 18:48:25,568 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-11-28 18:48:25,568 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2018-11-28 18:48:25,568 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2018-11-28 18:48:25,568 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:48:25,568 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-28 18:48:25,568 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:48:25,568 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:48:25,568 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 112 123) no Hoare annotation was computed. [2018-11-28 18:48:25,569 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (= 1 ~waterLevel~0)) (or (or (= ~waterLevel~0 1) .cse2) .cse1 .cse3 .cse4) (or (or .cse0 .cse1) .cse2 .cse4 .cse5) (or .cse1 .cse3 .cse2 .cse5))) [2018-11-28 18:48:25,569 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-11-28 18:48:25,569 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 936 943) no Hoare annotation was computed. [2018-11-28 18:48:25,569 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 936 943) the Hoare annotation is: true [2018-11-28 18:48:25,569 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2018-11-28 18:48:25,569 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 936 943) no Hoare annotation was computed. [2018-11-28 18:48:25,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:48:25 BoogieIcfgContainer [2018-11-28 18:48:25,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:48:25,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:48:25,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:48:25,584 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:48:25,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:48:08" (3/4) ... [2018-11-28 18:48:25,589 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:48:25,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:48:25,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:48:25,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-28 18:48:25,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-28 18:48:25,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-28 18:48:25,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:48:25,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:48:25,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:48:25,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:48:25,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:48:25,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:48:25,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:48:25,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:48:25,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:48:25,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:48:25,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:48:25,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:48:25,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:48:25,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:48:25,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:48:25,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:48:25,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:48:25,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:48:25,603 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:48:25,603 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:48:25,603 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:48:25,603 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:48:25,624 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-28 18:48:25,636 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:48:25,637 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:48:25,637 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:48:25,638 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:48:25,638 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:48:25,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0)) || ((pumpRunning == 1 && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || ((0 == pumpRunning && 1 == waterLevel) && splverifierCounter == 0) [2018-11-28 18:48:25,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:48:25,755 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:48:25,756 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:48:25,757 INFO L168 Benchmark]: Toolchain (without parser) took 19325.53 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 298.8 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -125.9 MB). Peak memory consumption was 173.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:48:25,757 INFO L168 Benchmark]: CDTParser took 0.15 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 18:48:25,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -149.7 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:48:25,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:48:25,759 INFO L168 Benchmark]: Boogie Preprocessor took 54.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:48:25,759 INFO L168 Benchmark]: RCFGBuilder took 1204.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:48:25,760 INFO L168 Benchmark]: TraceAbstraction took 17096.44 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -33.9 MB). Peak memory consumption was 425.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:48:25,760 INFO L168 Benchmark]: Witness Printer took 171.70 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:48:25,765 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 721.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -149.7 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1204.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17096.44 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -33.9 MB). Peak memory consumption was 425.8 MB. Max. memory is 11.5 GB. * Witness Printer took 171.70 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: 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: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0)) || ((pumpRunning == 1 && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || ((0 == pumpRunning && 1 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 143 locations, 1 error locations. SAFE Result, 17.0s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 8.2s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1652 SDtfs, 1315 SDslu, 4349 SDs, 0 SdLazy, 2132 SolverSat, 490 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 269 GetRequests, 189 SyntacticMatches, 1 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=650occurred in iteration=9, 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 120 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 858 PreInvPairs, 918 NumberOfFragments, 1568 HoareAnnotationTreeSize, 858 FomulaSimplifications, 2030 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 58 FomulaSimplificationsInter, 5094 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1059 NumberOfCodeBlocks, 1059 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1048 ConstructedInterpolants, 0 QuantifiedInterpolants, 185408 SizeOfPredicates, 4 NumberOfNonLiveVariables, 875 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 85/103 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...