./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product62_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_spec1_product62_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 3c089be7b4887d2975165f6135c093492cb2095b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:43:37,500 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:43:37,502 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:43:37,515 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:43:37,515 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:43:37,516 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:43:37,517 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:43:37,520 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:43:37,521 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:43:37,522 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:43:37,523 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:43:37,524 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:43:37,525 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:43:37,526 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:43:37,527 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:43:37,528 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:43:37,529 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:43:37,531 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:43:37,534 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:43:37,536 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:43:37,537 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:43:37,538 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:43:37,541 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:43:37,542 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:43:37,542 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:43:37,543 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:43:37,544 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:43:37,545 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:43:37,546 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:43:37,547 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:43:37,548 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:43:37,549 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:43:37,549 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:43:37,549 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:43:37,551 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:43:37,551 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:43:37,552 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:43:37,567 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:43:37,568 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:43:37,569 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:43:37,569 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:43:37,570 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:43:37,570 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:43:37,570 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:43:37,570 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:43:37,570 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:43:37,570 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:43:37,572 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:43:37,572 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:43:37,572 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:43:37,572 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:43:37,572 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:43:37,573 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:43:37,573 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:43:37,573 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:43:37,573 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:43:37,573 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:43:37,573 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:43:37,575 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:43:37,575 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:43:37,575 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:43:37,575 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:43:37,576 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:43:37,576 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:43:37,576 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:43:37,576 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:43:37,576 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:43:37,576 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 -> 3c089be7b4887d2975165f6135c093492cb2095b [2018-11-28 18:43:37,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:43:37,633 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:43:37,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:43:37,641 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:43:37,641 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:43:37,643 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product62_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:37,704 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0df3908/408c4a1f31724d26b0cf8095c3371f9b/FLAGb877530e1 [2018-11-28 18:43:38,196 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:43:38,197 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product62_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:38,222 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0df3908/408c4a1f31724d26b0cf8095c3371f9b/FLAGb877530e1 [2018-11-28 18:43:38,478 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0df3908/408c4a1f31724d26b0cf8095c3371f9b [2018-11-28 18:43:38,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:43:38,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:43:38,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:38,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:43:38,492 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:43:38,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:38" (1/1) ... [2018-11-28 18:43:38,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbc0696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:38, skipping insertion in model container [2018-11-28 18:43:38,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:38" (1/1) ... [2018-11-28 18:43:38,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:43:38,567 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:43:39,016 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:39,035 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:43:39,124 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:39,264 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:43:39,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:39 WrapperNode [2018-11-28 18:43:39,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:39,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:39,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:43:39,266 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:43:39,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:39" (1/1) ... [2018-11-28 18:43:39,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:39" (1/1) ... [2018-11-28 18:43:39,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:39,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:43:39,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:43:39,325 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:43:39,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:39" (1/1) ... [2018-11-28 18:43:39,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:39" (1/1) ... [2018-11-28 18:43:39,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:39" (1/1) ... [2018-11-28 18:43:39,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:39" (1/1) ... [2018-11-28 18:43:39,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:39" (1/1) ... [2018-11-28 18:43:39,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:39" (1/1) ... [2018-11-28 18:43:39,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:39" (1/1) ... [2018-11-28 18:43:39,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:43:39,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:43:39,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:43:39,371 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:43:39,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:39" (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 18:43:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:43:39,459 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:43:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:43:39,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:43:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:43:39,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:43:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:43:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:43:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:43:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:43:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:43:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:43:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:43:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:43:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:43:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:43:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:43:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:43:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:43:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:43:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:43:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:43:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:43:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:43:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:43:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:43:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:43:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:43:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:43:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:43:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:43:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:43:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:43:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:43:39,465 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:43:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:43:39,465 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:43:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:43:39,465 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:43:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:43:39,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:43:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:43:39,468 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:43:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:43:39,468 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:43:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:43:39,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:43:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:43:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:43:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:43:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:43:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:43:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:43:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:43:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:43:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:43:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:43:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:43:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:43:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:43:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:43:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:43:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:39,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:40,811 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:43:40,811 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:43:40,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:40 BoogieIcfgContainer [2018-11-28 18:43:40,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:43:40,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:43:40,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:43:40,817 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:43:40,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:43:38" (1/3) ... [2018-11-28 18:43:40,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3533ecf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:40, skipping insertion in model container [2018-11-28 18:43:40,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:39" (2/3) ... [2018-11-28 18:43:40,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3533ecf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:40, skipping insertion in model container [2018-11-28 18:43:40,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:40" (3/3) ... [2018-11-28 18:43:40,822 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product62_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:40,833 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:43:40,842 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:43:40,860 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:43:40,896 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:43:40,897 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:43:40,897 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:43:40,897 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:43:40,898 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:43:40,898 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:43:40,898 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:43:40,898 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:43:40,899 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:43:40,925 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2018-11-28 18:43:40,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:43:40,939 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:40,940 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:40,942 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:40,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:40,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1697508556, now seen corresponding path program 1 times [2018-11-28 18:43:40,950 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:40,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:40,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:40,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:40,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:41,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:41,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:41,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:43:41,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:43:41,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:43:41,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:41,319 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 2 states. [2018-11-28 18:43:41,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:41,369 INFO L93 Difference]: Finished difference Result 308 states and 383 transitions. [2018-11-28 18:43:41,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:43:41,371 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:43:41,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:41,388 INFO L225 Difference]: With dead ends: 308 [2018-11-28 18:43:41,389 INFO L226 Difference]: Without dead ends: 154 [2018-11-28 18:43:41,394 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 18:43:41,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-28 18:43:41,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-11-28 18:43:41,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-11-28 18:43:41,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 183 transitions. [2018-11-28 18:43:41,464 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 183 transitions. Word has length 46 [2018-11-28 18:43:41,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:41,464 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 183 transitions. [2018-11-28 18:43:41,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:43:41,465 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 183 transitions. [2018-11-28 18:43:41,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:43:41,471 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:41,473 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:41,473 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:41,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:41,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1146648345, now seen corresponding path program 1 times [2018-11-28 18:43:41,474 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:41,474 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:41,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:41,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:41,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:41,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:41,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:41,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:41,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:41,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:41,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:41,686 INFO L87 Difference]: Start difference. First operand 154 states and 183 transitions. Second operand 3 states. [2018-11-28 18:43:41,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:41,728 INFO L93 Difference]: Finished difference Result 253 states and 301 transitions. [2018-11-28 18:43:41,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:41,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:43:41,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:41,732 INFO L225 Difference]: With dead ends: 253 [2018-11-28 18:43:41,732 INFO L226 Difference]: Without dead ends: 145 [2018-11-28 18:43:41,734 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 18:43:41,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-28 18:43:41,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-28 18:43:41,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-28 18:43:41,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 171 transitions. [2018-11-28 18:43:41,759 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 171 transitions. Word has length 47 [2018-11-28 18:43:41,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:41,759 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 171 transitions. [2018-11-28 18:43:41,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:41,759 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 171 transitions. [2018-11-28 18:43:41,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:43:41,766 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:41,767 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:41,767 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:41,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:41,767 INFO L82 PathProgramCache]: Analyzing trace with hash 244280267, now seen corresponding path program 1 times [2018-11-28 18:43:41,767 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:41,768 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:41,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:41,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:41,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:42,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:42,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:42,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:42,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:42,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:42,003 INFO L87 Difference]: Start difference. First operand 145 states and 171 transitions. Second operand 3 states. [2018-11-28 18:43:42,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:42,048 INFO L93 Difference]: Finished difference Result 266 states and 319 transitions. [2018-11-28 18:43:42,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:42,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 18:43:42,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:42,054 INFO L225 Difference]: With dead ends: 266 [2018-11-28 18:43:42,054 INFO L226 Difference]: Without dead ends: 145 [2018-11-28 18:43:42,055 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:42,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-28 18:43:42,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-28 18:43:42,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-28 18:43:42,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2018-11-28 18:43:42,074 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 52 [2018-11-28 18:43:42,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:42,075 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2018-11-28 18:43:42,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:42,075 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2018-11-28 18:43:42,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 18:43:42,079 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:42,079 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:42,079 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:42,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:42,079 INFO L82 PathProgramCache]: Analyzing trace with hash 97775123, now seen corresponding path program 1 times [2018-11-28 18:43:42,080 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:42,080 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:42,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:42,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:42,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:42,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:42,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:42,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:43:42,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:43:42,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:43:42,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:43:42,441 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 5 states. [2018-11-28 18:43:44,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:44,529 INFO L93 Difference]: Finished difference Result 380 states and 460 transitions. [2018-11-28 18:43:44,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:43:44,530 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-28 18:43:44,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:44,534 INFO L225 Difference]: With dead ends: 380 [2018-11-28 18:43:44,534 INFO L226 Difference]: Without dead ends: 259 [2018-11-28 18:43:44,536 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:43:44,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-11-28 18:43:44,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 240. [2018-11-28 18:43:44,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-11-28 18:43:44,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 272 transitions. [2018-11-28 18:43:44,573 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 272 transitions. Word has length 70 [2018-11-28 18:43:44,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:44,574 INFO L480 AbstractCegarLoop]: Abstraction has 240 states and 272 transitions. [2018-11-28 18:43:44,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:43:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 272 transitions. [2018-11-28 18:43:44,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 18:43:44,576 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:44,576 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:44,577 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:44,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:44,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1410600138, now seen corresponding path program 1 times [2018-11-28 18:43:44,577 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:44,577 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:44,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:44,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:44,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:45,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:45,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:45,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:43:45,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:43:45,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:43:45,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:43:45,066 INFO L87 Difference]: Start difference. First operand 240 states and 272 transitions. Second operand 8 states. [2018-11-28 18:43:45,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:45,345 INFO L93 Difference]: Finished difference Result 463 states and 539 transitions. [2018-11-28 18:43:45,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:45,349 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-11-28 18:43:45,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:45,353 INFO L225 Difference]: With dead ends: 463 [2018-11-28 18:43:45,353 INFO L226 Difference]: Without dead ends: 247 [2018-11-28 18:43:45,355 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:43:45,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-11-28 18:43:45,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2018-11-28 18:43:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-11-28 18:43:45,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 276 transitions. [2018-11-28 18:43:45,383 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 276 transitions. Word has length 84 [2018-11-28 18:43:45,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:45,384 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 276 transitions. [2018-11-28 18:43:45,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:43:45,384 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 276 transitions. [2018-11-28 18:43:45,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 18:43:45,386 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:45,386 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:45,386 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:45,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:45,388 INFO L82 PathProgramCache]: Analyzing trace with hash 709000264, now seen corresponding path program 1 times [2018-11-28 18:43:45,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:45,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:45,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:45,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:45,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:45,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:45,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:45,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:45,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:45,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:45,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:45,598 INFO L87 Difference]: Start difference. First operand 244 states and 276 transitions. Second operand 6 states. [2018-11-28 18:43:45,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:45,995 INFO L93 Difference]: Finished difference Result 669 states and 778 transitions. [2018-11-28 18:43:45,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:45,997 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-28 18:43:45,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:46,001 INFO L225 Difference]: With dead ends: 669 [2018-11-28 18:43:46,001 INFO L226 Difference]: Without dead ends: 449 [2018-11-28 18:43:46,002 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:43:46,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-11-28 18:43:46,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 443. [2018-11-28 18:43:46,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-11-28 18:43:46,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 502 transitions. [2018-11-28 18:43:46,065 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 502 transitions. Word has length 84 [2018-11-28 18:43:46,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:46,066 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 502 transitions. [2018-11-28 18:43:46,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:46,066 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 502 transitions. [2018-11-28 18:43:46,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 18:43:46,070 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:46,070 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:46,070 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:46,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:46,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1045486588, now seen corresponding path program 1 times [2018-11-28 18:43:46,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:46,072 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:46,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:46,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:46,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:46,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:46,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:46,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:46,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:46,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:46,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:46,662 INFO L87 Difference]: Start difference. First operand 443 states and 502 transitions. Second operand 7 states. [2018-11-28 18:43:47,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:47,831 INFO L93 Difference]: Finished difference Result 478 states and 556 transitions. [2018-11-28 18:43:47,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 18:43:47,833 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-28 18:43:47,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:47,836 INFO L225 Difference]: With dead ends: 478 [2018-11-28 18:43:47,837 INFO L226 Difference]: Without dead ends: 475 [2018-11-28 18:43:47,837 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:43:47,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2018-11-28 18:43:47,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 443. [2018-11-28 18:43:47,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-11-28 18:43:47,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 501 transitions. [2018-11-28 18:43:47,869 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 501 transitions. Word has length 88 [2018-11-28 18:43:47,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:47,869 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 501 transitions. [2018-11-28 18:43:47,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:47,869 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 501 transitions. [2018-11-28 18:43:47,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-28 18:43:47,871 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:47,872 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] [2018-11-28 18:43:47,872 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:47,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:47,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1921303165, now seen corresponding path program 1 times [2018-11-28 18:43:47,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:47,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:47,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:47,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:47,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:48,291 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 18:43:48,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:48,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:48,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:48,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:48,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:48,295 INFO L87 Difference]: Start difference. First operand 443 states and 501 transitions. Second operand 6 states. [2018-11-28 18:43:48,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:48,469 INFO L93 Difference]: Finished difference Result 876 states and 1014 transitions. [2018-11-28 18:43:48,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:43:48,472 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-28 18:43:48,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:48,476 INFO L225 Difference]: With dead ends: 876 [2018-11-28 18:43:48,476 INFO L226 Difference]: Without dead ends: 457 [2018-11-28 18:43:48,477 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 18:43:48,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-11-28 18:43:48,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 453. [2018-11-28 18:43:48,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2018-11-28 18:43:48,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 511 transitions. [2018-11-28 18:43:48,508 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 511 transitions. Word has length 104 [2018-11-28 18:43:48,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:48,508 INFO L480 AbstractCegarLoop]: Abstraction has 453 states and 511 transitions. [2018-11-28 18:43:48,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:48,509 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 511 transitions. [2018-11-28 18:43:48,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-28 18:43:48,510 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:48,511 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] [2018-11-28 18:43:48,511 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:48,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:48,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1593561920, now seen corresponding path program 1 times [2018-11-28 18:43:48,511 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:48,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:48,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:48,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:48,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:48,836 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 18:43:48,846 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 18:43:48,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:48,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:43:48,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:43:48,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:43:48,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:43:48,847 INFO L87 Difference]: Start difference. First operand 453 states and 511 transitions. Second operand 4 states. [2018-11-28 18:43:50,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:50,145 INFO L93 Difference]: Finished difference Result 1353 states and 1602 transitions. [2018-11-28 18:43:50,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:43:50,146 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-11-28 18:43:50,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:50,153 INFO L225 Difference]: With dead ends: 1353 [2018-11-28 18:43:50,153 INFO L226 Difference]: Without dead ends: 924 [2018-11-28 18:43:50,156 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:43:50,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2018-11-28 18:43:50,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 909. [2018-11-28 18:43:50,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2018-11-28 18:43:50,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1055 transitions. [2018-11-28 18:43:50,233 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1055 transitions. Word has length 104 [2018-11-28 18:43:50,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:50,236 INFO L480 AbstractCegarLoop]: Abstraction has 909 states and 1055 transitions. [2018-11-28 18:43:50,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:43:50,236 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1055 transitions. [2018-11-28 18:43:50,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 18:43:50,241 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:50,241 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:50,241 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:50,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:50,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1641621798, now seen corresponding path program 1 times [2018-11-28 18:43:50,242 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:50,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:50,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:50,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:50,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:43:50,609 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:43:50,609 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 18:43:50,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:50,791 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:43:52,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:52,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:43:52,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:43:52,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:43:52,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:43:52,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:43:52,248 INFO L87 Difference]: Start difference. First operand 909 states and 1055 transitions. Second operand 19 states. [2018-11-28 18:43:56,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:56,898 INFO L93 Difference]: Finished difference Result 1762 states and 2068 transitions. [2018-11-28 18:43:56,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:43:56,899 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-11-28 18:43:56,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:56,905 INFO L225 Difference]: With dead ends: 1762 [2018-11-28 18:43:56,905 INFO L226 Difference]: Without dead ends: 877 [2018-11-28 18:43:56,908 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 18:43:56,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2018-11-28 18:43:56,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 877. [2018-11-28 18:43:56,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2018-11-28 18:43:56,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1003 transitions. [2018-11-28 18:43:56,968 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1003 transitions. Word has length 108 [2018-11-28 18:43:56,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:56,969 INFO L480 AbstractCegarLoop]: Abstraction has 877 states and 1003 transitions. [2018-11-28 18:43:56,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:43:56,969 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1003 transitions. [2018-11-28 18:43:56,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-28 18:43:56,975 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:56,975 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:43:56,975 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:56,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:56,976 INFO L82 PathProgramCache]: Analyzing trace with hash 885904890, now seen corresponding path program 1 times [2018-11-28 18:43:56,976 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:56,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:56,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:56,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:56,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-28 18:43:57,682 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:43:57,682 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:43:57,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:57,834 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:43:58,137 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 18:43:58,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:43:58,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:43:58,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:43:58,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:43:58,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:43:58,160 INFO L87 Difference]: Start difference. First operand 877 states and 1003 transitions. Second operand 19 states. [2018-11-28 18:43:59,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:59,453 INFO L93 Difference]: Finished difference Result 1469 states and 1708 transitions. [2018-11-28 18:43:59,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:43:59,454 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 178 [2018-11-28 18:43:59,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:59,455 INFO L225 Difference]: With dead ends: 1469 [2018-11-28 18:43:59,455 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:43:59,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 18:43:59,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:43:59,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:43:59,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:43:59,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:43:59,460 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2018-11-28 18:43:59,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:59,460 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:43:59,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:43:59,460 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:43:59,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:43:59,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:43:59,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:43:59,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:43:59,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:43:59,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:00,776 WARN L180 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 15 [2018-11-28 18:44:01,283 WARN L180 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2018-11-28 18:44:01,650 WARN L180 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 21 [2018-11-28 18:44:02,044 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 18 [2018-11-28 18:44:02,293 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 19 [2018-11-28 18:44:02,436 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 22 [2018-11-28 18:44:02,884 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2018-11-28 18:44:03,985 WARN L180 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2018-11-28 18:44:04,289 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2018-11-28 18:44:04,398 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 18 [2018-11-28 18:44:05,240 WARN L180 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 18 [2018-11-28 18:44:05,434 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 391 397) the Hoare annotation is: true [2018-11-28 18:44:05,434 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 391 397) no Hoare annotation was computed. [2018-11-28 18:44:05,434 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 398 406) no Hoare annotation was computed. [2018-11-28 18:44:05,434 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 398 406) the Hoare annotation is: true [2018-11-28 18:44:05,434 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 398 406) no Hoare annotation was computed. [2018-11-28 18:44:05,435 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 846 868) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:05,435 INFO L444 ceAbstractionStarter]: At program point L858(line 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:05,435 INFO L444 ceAbstractionStarter]: At program point L858-1(line 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:05,435 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 846 868) no Hoare annotation was computed. [2018-11-28 18:44:05,435 INFO L448 ceAbstractionStarter]: For program point L856(lines 856 863) no Hoare annotation was computed. [2018-11-28 18:44:05,435 INFO L448 ceAbstractionStarter]: For program point L856-1(lines 856 863) no Hoare annotation was computed. [2018-11-28 18:44:05,436 INFO L448 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2018-11-28 18:44:05,436 INFO L444 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:05,436 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:05,436 INFO L444 ceAbstractionStarter]: At program point L852-1(line 852) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:05,436 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 846 868) no Hoare annotation was computed. [2018-11-28 18:44:05,436 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 18:44:05,437 INFO L444 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 18:44:05,437 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-11-28 18:44:05,437 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 18:44:05,437 INFO L448 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-11-28 18:44:05,437 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2018-11-28 18:44:05,437 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:05,437 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2018-11-28 18:44:05,437 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 .cse2) (or .cse0 (= |old(~pumpRunning~0)| 0) .cse2))) [2018-11-28 18:44:05,438 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2018-11-28 18:44:05,438 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2018-11-28 18:44:05,438 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2018-11-28 18:44:05,438 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2018-11-28 18:44:05,438 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2018-11-28 18:44:05,438 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2018-11-28 18:44:05,438 INFO L451 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2018-11-28 18:44:05,438 INFO L448 ceAbstractionStarter]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2018-11-28 18:44:05,438 INFO L448 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2018-11-28 18:44:05,439 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2018-11-28 18:44:05,439 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2018-11-28 18:44:05,439 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 384 390) no Hoare annotation was computed. [2018-11-28 18:44:05,439 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 384 390) the Hoare annotation is: true [2018-11-28 18:44:05,439 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 836 845) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:05,439 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 836 845) no Hoare annotation was computed. [2018-11-28 18:44:05,439 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 836 845) no Hoare annotation was computed. [2018-11-28 18:44:05,439 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2018-11-28 18:44:05,439 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2018-11-28 18:44:05,440 INFO L451 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2018-11-28 18:44:05,440 INFO L448 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2018-11-28 18:44:05,440 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2018-11-28 18:44:05,440 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2))) [2018-11-28 18:44:05,440 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2018-11-28 18:44:05,440 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2018-11-28 18:44:05,440 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 960) no Hoare annotation was computed. [2018-11-28 18:44:05,440 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 950 963) no Hoare annotation was computed. [2018-11-28 18:44:05,440 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 950 963) the Hoare annotation is: true [2018-11-28 18:44:05,440 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 950 963) no Hoare annotation was computed. [2018-11-28 18:44:05,441 INFO L444 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse4 (= |old(~pumpRunning~0)| 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse0) (or .cse1 .cse4 .cse2) (or .cse3 .cse1 .cse4))) [2018-11-28 18:44:05,441 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2018-11-28 18:44:05,441 INFO L444 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-28 18:44:05,441 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2018-11-28 18:44:05,441 INFO L444 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse0 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 18:44:05,441 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:05,441 INFO L448 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2018-11-28 18:44:05,442 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse1))) [2018-11-28 18:44:05,442 INFO L448 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2018-11-28 18:44:05,442 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2018-11-28 18:44:05,442 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2018-11-28 18:44:05,442 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2018-11-28 18:44:05,442 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 303 368) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:05,442 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 355) no Hoare annotation was computed. [2018-11-28 18:44:05,442 INFO L444 ceAbstractionStarter]: At program point L351-2(lines 343 356) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:44:05,442 INFO L448 ceAbstractionStarter]: For program point L314(lines 313 360) no Hoare annotation was computed. [2018-11-28 18:44:05,443 INFO L444 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:44:05,443 INFO L448 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2018-11-28 18:44:05,443 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 303 368) no Hoare annotation was computed. [2018-11-28 18:44:05,443 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) .cse0 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:44:05,443 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 339) no Hoare annotation was computed. [2018-11-28 18:44:05,443 INFO L448 ceAbstractionStarter]: For program point L333-1(lines 333 339) no Hoare annotation was computed. [2018-11-28 18:44:05,443 INFO L444 ceAbstractionStarter]: At program point L358(lines 313 360) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) .cse0 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:44:05,443 INFO L444 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (and (= 0 ~pumpRunning~0) .cse0 .cse1) (= ~methaneLevelCritical~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:44:05,444 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 329) no Hoare annotation was computed. [2018-11-28 18:44:05,444 INFO L448 ceAbstractionStarter]: For program point L323-1(lines 323 329) no Hoare annotation was computed. [2018-11-28 18:44:05,444 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2018-11-28 18:44:05,444 INFO L444 ceAbstractionStarter]: At program point L361(lines 312 362) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:05,444 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 303 368) no Hoare annotation was computed. [2018-11-28 18:44:05,444 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:44:05,444 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2018-11-28 18:44:05,444 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2018-11-28 18:44:05,444 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 964 972) no Hoare annotation was computed. [2018-11-28 18:44:05,444 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 964 972) the Hoare annotation is: true [2018-11-28 18:44:05,445 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 964 972) no Hoare annotation was computed. [2018-11-28 18:44:05,445 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:44:05,445 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 18:44:05,445 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:44:05,445 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:44:05,445 INFO L448 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-11-28 18:44:05,445 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2018-11-28 18:44:05,445 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:44:05,446 INFO L444 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= activatePump_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 18:44:05,446 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2018-11-28 18:44:05,446 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2018-11-28 18:44:05,446 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2018-11-28 18:44:05,446 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2018-11-28 18:44:05,446 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2018-11-28 18:44:05,446 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2018-11-28 18:44:05,446 INFO L451 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2018-11-28 18:44:05,446 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2018-11-28 18:44:05,446 INFO L448 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2018-11-28 18:44:05,447 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 897 908) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) .cse0 (= ~methaneLevelCritical~0 1)) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-28 18:44:05,447 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 897 908) no Hoare annotation was computed. [2018-11-28 18:44:05,447 INFO L448 ceAbstractionStarter]: For program point L901-1(lines 897 908) no Hoare annotation was computed. [2018-11-28 18:44:05,447 INFO L451 ceAbstractionStarter]: At program point L800(lines 775 804) the Hoare annotation is: true [2018-11-28 18:44:05,447 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 775 804) no Hoare annotation was computed. [2018-11-28 18:44:05,447 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 775 804) the Hoare annotation is: true [2018-11-28 18:44:05,447 INFO L448 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2018-11-28 18:44:05,447 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 793) no Hoare annotation was computed. [2018-11-28 18:44:05,447 INFO L451 ceAbstractionStarter]: At program point L789-1(lines 789 793) the Hoare annotation is: true [2018-11-28 18:44:05,447 INFO L448 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-11-28 18:44:05,448 INFO L451 ceAbstractionStarter]: At program point L785-2(lines 785 799) the Hoare annotation is: true [2018-11-28 18:44:05,448 INFO L451 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: true [2018-11-28 18:44:05,448 INFO L448 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2018-11-28 18:44:05,448 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 909 917) the Hoare annotation is: true [2018-11-28 18:44:05,448 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 909 917) no Hoare annotation was computed. [2018-11-28 18:44:05,448 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 909 917) no Hoare annotation was computed. [2018-11-28 18:44:05,448 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (and (not (= |old(~pumpRunning~0)| 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1))) [2018-11-28 18:44:05,448 INFO L448 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2018-11-28 18:44:05,448 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse6 (not .cse7)) (.cse4 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse0) (or .cse4 .cse5 .cse1 .cse6 .cse2) (or .cse3 .cse7 .cse1 .cse8) (or .cse7 .cse8 .cse1 .cse2) (or .cse3 .cse5 .cse1 .cse6 .cse4)))) [2018-11-28 18:44:05,449 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2018-11-28 18:44:05,449 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2018-11-28 18:44:05,449 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| 1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (and (not (= |old(~pumpRunning~0)| 0)) .cse5)) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse9 (not .cse0)) (.cse7 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse4) (or .cse1 .cse3 .cse6 .cse0 .cse2) (or .cse6 .cse2 .cse5) (or .cse7 .cse8 .cse2 .cse9 .cse4) (or .cse6 .cse8 .cse2 .cse9 .cse7)))) [2018-11-28 18:44:05,449 INFO L444 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| 1)) (.cse2 (= ~systemActive~0 0)) (.cse10 (not (= ~waterLevel~0 1)))) (let ((.cse3 (and (not .cse2) .cse10)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse9 (= 0 ~pumpRunning~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not .cse0)) (.cse5 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse8 .cse2 .cse9) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 .cse3 .cse4 .cse9) (or .cse10 .cse8 .cse0 .cse2 .cse1) (or .cse8 .cse6 .cse2 .cse7 .cse5)))) [2018-11-28 18:44:05,449 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 873 884) the Hoare annotation is: true [2018-11-28 18:44:05,449 INFO L448 ceAbstractionStarter]: For program point L877-1(lines 873 884) no Hoare annotation was computed. [2018-11-28 18:44:05,449 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 873 884) no Hoare annotation was computed. [2018-11-28 18:44:05,449 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 829 835) no Hoare annotation was computed. [2018-11-28 18:44:05,450 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 829 835) the Hoare annotation is: true [2018-11-28 18:44:05,450 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:44:05,450 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0))) [2018-11-28 18:44:05,450 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:44:05,450 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:44:05,450 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 291 298) no Hoare annotation was computed. [2018-11-28 18:44:05,450 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 291 298) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse0 (= |old(~systemActive~0)| 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:05,450 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 291 298) no Hoare annotation was computed. [2018-11-28 18:44:05,451 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse0 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1) (or (and .cse2 .cse3) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 .cse2 .cse1) (or .cse0 .cse3 .cse1))) [2018-11-28 18:44:05,451 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:05,451 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2018-11-28 18:44:05,451 INFO L444 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 .cse2) (or .cse0 (= |old(~pumpRunning~0)| 0) .cse2))) [2018-11-28 18:44:05,451 INFO L448 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2018-11-28 18:44:05,451 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2018-11-28 18:44:05,451 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2018-11-28 18:44:05,451 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 18:44:05,452 INFO L448 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2018-11-28 18:44:05,452 INFO L444 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| 0) .cse2) (or .cse1 .cse2 .cse0))) [2018-11-28 18:44:05,452 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 885 896) no Hoare annotation was computed. [2018-11-28 18:44:05,452 INFO L448 ceAbstractionStarter]: For program point L889-1(lines 885 896) no Hoare annotation was computed. [2018-11-28 18:44:05,452 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 885 896) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse0))) [2018-11-28 18:44:05,452 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 1001 1008) no Hoare annotation was computed. [2018-11-28 18:44:05,452 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2018-11-28 18:44:05,452 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 1001 1008) the Hoare annotation is: true [2018-11-28 18:44:05,453 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 1001 1008) no Hoare annotation was computed. [2018-11-28 18:44:05,453 INFO L444 ceAbstractionStarter]: At program point L989(line 989) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:05,453 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 975 999) the Hoare annotation is: true [2018-11-28 18:44:05,453 INFO L448 ceAbstractionStarter]: For program point L987(lines 987 993) no Hoare annotation was computed. [2018-11-28 18:44:05,453 INFO L444 ceAbstractionStarter]: At program point L985(line 985) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:44:05,453 INFO L448 ceAbstractionStarter]: For program point L985-1(line 985) no Hoare annotation was computed. [2018-11-28 18:44:05,453 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 975 999) no Hoare annotation was computed. [2018-11-28 18:44:05,453 INFO L448 ceAbstractionStarter]: For program point L983(lines 983 996) no Hoare annotation was computed. [2018-11-28 18:44:05,453 INFO L448 ceAbstractionStarter]: For program point L983-1(lines 975 999) no Hoare annotation was computed. [2018-11-28 18:44:05,454 INFO L451 ceAbstractionStarter]: At program point L981(line 981) the Hoare annotation is: true [2018-11-28 18:44:05,454 INFO L448 ceAbstractionStarter]: For program point L981-1(line 981) no Hoare annotation was computed. [2018-11-28 18:44:05,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:44:05 BoogieIcfgContainer [2018-11-28 18:44:05,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:44:05,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:44:05,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:44:05,482 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:44:05,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:40" (3/4) ... [2018-11-28 18:44:05,486 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:44:05,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:44:05,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:44:05,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:44:05,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:44:05,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:44:05,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:44:05,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:44:05,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:44:05,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:44:05,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:44:05,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:44:05,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:44:05,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:44:05,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:44:05,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:44:05,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:44:05,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:44:05,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:44:05,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:44:05,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:44:05,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:44:05,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:44:05,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:44:05,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:44:05,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:44:05,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:44:05,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:44:05,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:44:05,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:44:05,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:44:05,525 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 18:44:05,526 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:44:05,527 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:44:05,528 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 18:44:05,529 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:44:05,530 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:44:05,565 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == pumpRunning && !(systemActive == 0)) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:44:05,565 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:44:05,671 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:44:05,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:44:05,673 INFO L168 Benchmark]: Toolchain (without parser) took 27189.78 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 351.8 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 200.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:05,673 INFO L168 Benchmark]: CDTParser took 0.41 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 18:44:05,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:05,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:05,675 INFO L168 Benchmark]: Boogie Preprocessor took 45.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:44:05,675 INFO L168 Benchmark]: RCFGBuilder took 1441.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:05,677 INFO L168 Benchmark]: TraceAbstraction took 24668.14 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 203.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -34.6 MB). Peak memory consumption was 406.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:05,678 INFO L168 Benchmark]: Witness Printer took 189.70 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:05,681 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 780.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1441.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24668.14 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 203.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -34.6 MB). Peak memory consumption was 406.1 MB. Max. memory is 11.5 GB. * Witness Printer took 189.70 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1005]: 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: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == pumpRunning && !(systemActive == 0)) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 167 locations, 1 error locations. SAFE Result, 24.5s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 11.6s AutomataDifference, 0.0s DeadEndRemovalTime, 5.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2238 SDtfs, 1568 SDslu, 7752 SDs, 0 SdLazy, 3284 SolverSat, 391 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 429 GetRequests, 326 SyntacticMatches, 4 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=909occurred 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: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 79 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 1797 PreInvPairs, 1895 NumberOfFragments, 1692 HoareAnnotationTreeSize, 1797 FomulaSimplifications, 2158 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 70 FomulaSimplificationsInter, 7249 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1251 NumberOfCodeBlocks, 1251 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1238 ConstructedInterpolants, 0 QuantifiedInterpolants, 221125 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1700 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 114/118 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...