./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec2_product46_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 4366671714130af280ec4232c34176d9c997fd05 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:44:31,378 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:44:31,379 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:44:31,391 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:44:31,392 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:44:31,393 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:44:31,394 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:44:31,396 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:44:31,398 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:44:31,399 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:44:31,400 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:44:31,400 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:44:31,401 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:44:31,402 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:44:31,404 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:44:31,404 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:44:31,405 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:44:31,407 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:44:31,409 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:44:31,411 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:44:31,412 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:44:31,414 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:44:31,416 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:44:31,417 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:44:31,417 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:44:31,418 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:44:31,419 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:44:31,420 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:44:31,421 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:44:31,422 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:44:31,422 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:44:31,423 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:44:31,423 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:44:31,424 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:44:31,425 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:44:31,426 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:44:31,426 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:44:31,442 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:44:31,442 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:44:31,443 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:44:31,443 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:44:31,444 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:44:31,444 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:44:31,444 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:44:31,444 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:44:31,445 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:44:31,445 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:44:31,445 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:44:31,445 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:44:31,445 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:44:31,446 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:44:31,446 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:44:31,446 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:44:31,446 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:44:31,446 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:44:31,447 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:44:31,447 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:44:31,447 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:44:31,447 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:44:31,447 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:44:31,448 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:44:31,448 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:44:31,448 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:44:31,448 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:44:31,448 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:44:31,449 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:44:31,449 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:44:31,449 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 -> 4366671714130af280ec4232c34176d9c997fd05 [2018-11-28 18:44:31,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:44:31,507 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:44:31,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:44:31,512 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:44:31,512 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:44:31,513 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:31,576 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf0bbeef9/99ae4d03f9944e29bd42debd9b32c841/FLAG0800dc387 [2018-11-28 18:44:32,150 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:44:32,151 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:32,171 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf0bbeef9/99ae4d03f9944e29bd42debd9b32c841/FLAG0800dc387 [2018-11-28 18:44:32,416 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf0bbeef9/99ae4d03f9944e29bd42debd9b32c841 [2018-11-28 18:44:32,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:44:32,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:44:32,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:32,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:44:32,430 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:44:32,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:32" (1/1) ... [2018-11-28 18:44:32,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb87c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:32, skipping insertion in model container [2018-11-28 18:44:32,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:32" (1/1) ... [2018-11-28 18:44:32,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:44:32,508 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:44:32,920 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:32,941 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:44:33,154 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:33,198 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:44:33,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33 WrapperNode [2018-11-28 18:44:33,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:33,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:33,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:44:33,200 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:44:33,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:33,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:44:33,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:44:33,242 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:44:33,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:44:33,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:44:33,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:44:33,309 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:44:33,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:44:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:44:33,358 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:44:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:44:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:44:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:44:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:44:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:44:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:44:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:44:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:44:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:44:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:44:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:44:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:44:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:44:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:44:33,365 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:44:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:44:33,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:44:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:44:33,366 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:44:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:44:33,366 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:44:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:44:33,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:44:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:44:33,369 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:44:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:44:33,369 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:44:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:44:33,369 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:44:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:44:33,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:44:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:44:33,372 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:44:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:44:33,373 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:44:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:44:33,373 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:44:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:44:33,373 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:44:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:44:33,373 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:44:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:44:33,374 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:44:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:44:33,374 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:44:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:44:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:44:33,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:44:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:44:33,375 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:44:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:44:33,375 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:44:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:44:33,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:44:34,496 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:44:34,497 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:44:34,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:34 BoogieIcfgContainer [2018-11-28 18:44:34,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:44:34,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:44:34,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:44:34,503 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:44:34,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:44:32" (1/3) ... [2018-11-28 18:44:34,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb92d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:34, skipping insertion in model container [2018-11-28 18:44:34,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (2/3) ... [2018-11-28 18:44:34,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb92d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:34, skipping insertion in model container [2018-11-28 18:44:34,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:34" (3/3) ... [2018-11-28 18:44:34,507 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:34,517 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:44:34,525 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:44:34,542 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:44:34,577 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:44:34,578 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:44:34,578 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:44:34,579 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:44:34,579 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:44:34,579 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:44:34,579 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:44:34,579 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:44:34,579 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:44:34,604 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2018-11-28 18:44:34,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:44:34,615 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:34,616 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:34,619 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:34,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:34,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1399684828, now seen corresponding path program 1 times [2018-11-28 18:44:34,625 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:34,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:34,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:34,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:34,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:34,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:34,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:34,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:44:34,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:44:34,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:44:34,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:44:35,000 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2018-11-28 18:44:35,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:35,048 INFO L93 Difference]: Finished difference Result 274 states and 341 transitions. [2018-11-28 18:44:35,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:44:35,050 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 18:44:35,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:35,065 INFO L225 Difference]: With dead ends: 274 [2018-11-28 18:44:35,065 INFO L226 Difference]: Without dead ends: 139 [2018-11-28 18:44:35,070 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:44:35,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-28 18:44:35,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-28 18:44:35,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-28 18:44:35,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2018-11-28 18:44:35,136 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 51 [2018-11-28 18:44:35,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:35,137 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2018-11-28 18:44:35,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:44:35,137 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2018-11-28 18:44:35,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:44:35,141 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:35,142 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:35,142 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:35,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:35,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1356106720, now seen corresponding path program 1 times [2018-11-28 18:44:35,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:35,143 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:35,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:35,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:35,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:35,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:35,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:35,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:44:35,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:44:35,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:44:35,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:44:35,344 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 3 states. [2018-11-28 18:44:35,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:35,418 INFO L93 Difference]: Finished difference Result 219 states and 259 transitions. [2018-11-28 18:44:35,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:44:35,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 18:44:35,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:35,423 INFO L225 Difference]: With dead ends: 219 [2018-11-28 18:44:35,423 INFO L226 Difference]: Without dead ends: 130 [2018-11-28 18:44:35,427 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:44:35,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-28 18:44:35,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-28 18:44:35,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-28 18:44:35,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2018-11-28 18:44:35,456 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 52 [2018-11-28 18:44:35,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:35,457 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2018-11-28 18:44:35,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:44:35,457 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2018-11-28 18:44:35,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:44:35,460 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:35,460 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] [2018-11-28 18:44:35,461 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:35,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:35,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1397764326, now seen corresponding path program 1 times [2018-11-28 18:44:35,461 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:35,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:35,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:35,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:35,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:35,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:35,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:35,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:35,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:35,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:35,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:35,766 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 7 states. [2018-11-28 18:44:36,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:36,743 INFO L93 Difference]: Finished difference Result 232 states and 277 transitions. [2018-11-28 18:44:36,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:44:36,744 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 18:44:36,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:36,746 INFO L225 Difference]: With dead ends: 232 [2018-11-28 18:44:36,748 INFO L226 Difference]: Without dead ends: 130 [2018-11-28 18:44:36,749 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:44:36,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-28 18:44:36,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-28 18:44:36,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-28 18:44:36,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2018-11-28 18:44:36,779 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 57 [2018-11-28 18:44:36,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:36,780 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2018-11-28 18:44:36,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:36,780 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2018-11-28 18:44:36,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 18:44:36,791 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:36,791 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 18:44:36,791 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:36,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:36,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1393884155, now seen corresponding path program 1 times [2018-11-28 18:44:36,792 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:36,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:36,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:36,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:36,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:36,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:36,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:36,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:44:36,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:44:36,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:44:36,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:44:36,990 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 5 states. [2018-11-28 18:44:38,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:38,265 INFO L93 Difference]: Finished difference Result 340 states and 412 transitions. [2018-11-28 18:44:38,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:44:38,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-28 18:44:38,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:38,271 INFO L225 Difference]: With dead ends: 340 [2018-11-28 18:44:38,271 INFO L226 Difference]: Without dead ends: 238 [2018-11-28 18:44:38,273 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:44:38,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-11-28 18:44:38,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 219. [2018-11-28 18:44:38,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-11-28 18:44:38,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 251 transitions. [2018-11-28 18:44:38,301 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 251 transitions. Word has length 70 [2018-11-28 18:44:38,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:38,302 INFO L480 AbstractCegarLoop]: Abstraction has 219 states and 251 transitions. [2018-11-28 18:44:38,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:44:38,302 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 251 transitions. [2018-11-28 18:44:38,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 18:44:38,304 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:38,305 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 18:44:38,305 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:38,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:38,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1880512136, now seen corresponding path program 1 times [2018-11-28 18:44:38,305 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:38,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:38,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:38,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:38,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:38,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:38,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:38,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:44:38,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:44:38,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:44:38,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:44:38,621 INFO L87 Difference]: Start difference. First operand 219 states and 251 transitions. Second operand 8 states. [2018-11-28 18:44:38,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:38,690 INFO L93 Difference]: Finished difference Result 417 states and 491 transitions. [2018-11-28 18:44:38,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:38,693 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-11-28 18:44:38,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:38,697 INFO L225 Difference]: With dead ends: 417 [2018-11-28 18:44:38,697 INFO L226 Difference]: Without dead ends: 226 [2018-11-28 18:44:38,698 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:44:38,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-11-28 18:44:38,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 223. [2018-11-28 18:44:38,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-28 18:44:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 255 transitions. [2018-11-28 18:44:38,726 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 255 transitions. Word has length 84 [2018-11-28 18:44:38,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:38,726 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 255 transitions. [2018-11-28 18:44:38,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:44:38,727 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 255 transitions. [2018-11-28 18:44:38,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 18:44:38,730 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:38,730 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 18:44:38,731 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:38,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:38,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1857879882, now seen corresponding path program 1 times [2018-11-28 18:44:38,731 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:38,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:38,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:38,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:38,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:38,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:38,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:38,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:44:38,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:44:38,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:44:38,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:44:38,983 INFO L87 Difference]: Start difference. First operand 223 states and 255 transitions. Second operand 6 states. [2018-11-28 18:44:39,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:39,275 INFO L93 Difference]: Finished difference Result 595 states and 701 transitions. [2018-11-28 18:44:39,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:39,281 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-28 18:44:39,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:39,285 INFO L225 Difference]: With dead ends: 595 [2018-11-28 18:44:39,285 INFO L226 Difference]: Without dead ends: 400 [2018-11-28 18:44:39,287 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:44:39,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2018-11-28 18:44:39,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 394. [2018-11-28 18:44:39,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2018-11-28 18:44:39,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 450 transitions. [2018-11-28 18:44:39,327 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 450 transitions. Word has length 84 [2018-11-28 18:44:39,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:39,328 INFO L480 AbstractCegarLoop]: Abstraction has 394 states and 450 transitions. [2018-11-28 18:44:39,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:44:39,328 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 450 transitions. [2018-11-28 18:44:39,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 18:44:39,331 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:39,331 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 18:44:39,331 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:39,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:39,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1649329402, now seen corresponding path program 1 times [2018-11-28 18:44:39,332 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:39,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:39,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:39,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:39,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:39,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:39,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:39,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:39,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:39,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:39,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:39,882 INFO L87 Difference]: Start difference. First operand 394 states and 450 transitions. Second operand 7 states. [2018-11-28 18:44:41,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:41,680 INFO L93 Difference]: Finished difference Result 791 states and 928 transitions. [2018-11-28 18:44:41,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 18:44:41,682 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-28 18:44:41,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:41,687 INFO L225 Difference]: With dead ends: 791 [2018-11-28 18:44:41,687 INFO L226 Difference]: Without dead ends: 425 [2018-11-28 18:44:41,689 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:44:41,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-11-28 18:44:41,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 393. [2018-11-28 18:44:41,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-11-28 18:44:41,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 447 transitions. [2018-11-28 18:44:41,724 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 447 transitions. Word has length 88 [2018-11-28 18:44:41,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:41,725 INFO L480 AbstractCegarLoop]: Abstraction has 393 states and 447 transitions. [2018-11-28 18:44:41,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:41,725 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 447 transitions. [2018-11-28 18:44:41,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-28 18:44:41,728 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:41,728 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 18:44:41,728 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:41,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:41,729 INFO L82 PathProgramCache]: Analyzing trace with hash 2017897965, now seen corresponding path program 1 times [2018-11-28 18:44:41,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:41,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:41,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:41,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:41,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:41,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:44:41,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:41,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:44:41,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:44:41,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:44:41,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:44:41,945 INFO L87 Difference]: Start difference. First operand 393 states and 447 transitions. Second operand 6 states. [2018-11-28 18:44:42,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:42,062 INFO L93 Difference]: Finished difference Result 772 states and 898 transitions. [2018-11-28 18:44:42,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:44:42,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-28 18:44:42,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:42,070 INFO L225 Difference]: With dead ends: 772 [2018-11-28 18:44:42,070 INFO L226 Difference]: Without dead ends: 407 [2018-11-28 18:44:42,072 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:42,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-11-28 18:44:42,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 403. [2018-11-28 18:44:42,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-11-28 18:44:42,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 457 transitions. [2018-11-28 18:44:42,103 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 457 transitions. Word has length 104 [2018-11-28 18:44:42,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:42,104 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 457 transitions. [2018-11-28 18:44:42,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:44:42,105 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 457 transitions. [2018-11-28 18:44:42,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-28 18:44:42,107 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:42,107 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 18:44:42,108 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:42,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:42,108 INFO L82 PathProgramCache]: Analyzing trace with hash -589336758, now seen corresponding path program 1 times [2018-11-28 18:44:42,108 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:42,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:42,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:42,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:42,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:42,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:44:42,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:42,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:44:42,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:44:42,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:44:42,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:44:42,242 INFO L87 Difference]: Start difference. First operand 403 states and 457 transitions. Second operand 4 states. [2018-11-28 18:44:42,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:42,880 INFO L93 Difference]: Finished difference Result 1188 states and 1416 transitions. [2018-11-28 18:44:42,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:44:42,882 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-11-28 18:44:42,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:42,895 INFO L225 Difference]: With dead ends: 1188 [2018-11-28 18:44:42,900 INFO L226 Difference]: Without dead ends: 813 [2018-11-28 18:44:42,902 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:44:42,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-11-28 18:44:42,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 798. [2018-11-28 18:44:42,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2018-11-28 18:44:42,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 931 transitions. [2018-11-28 18:44:42,980 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 931 transitions. Word has length 104 [2018-11-28 18:44:42,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:42,981 INFO L480 AbstractCegarLoop]: Abstraction has 798 states and 931 transitions. [2018-11-28 18:44:42,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:44:42,981 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 931 transitions. [2018-11-28 18:44:42,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 18:44:42,991 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:42,991 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 18:44:42,991 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:42,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:42,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1797317316, now seen corresponding path program 1 times [2018-11-28 18:44:42,993 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:42,993 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:42,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:42,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:42,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:43,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:44:43,537 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:44:43,537 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:44:43,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:43,701 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:44:44,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:44,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:44:44,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:44:44,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:44:44,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:44:44,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:44:44,438 INFO L87 Difference]: Start difference. First operand 798 states and 931 transitions. Second operand 19 states. [2018-11-28 18:44:49,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:49,232 INFO L93 Difference]: Finished difference Result 1537 states and 1813 transitions. [2018-11-28 18:44:49,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:44:49,234 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-11-28 18:44:49,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:49,241 INFO L225 Difference]: With dead ends: 1537 [2018-11-28 18:44:49,241 INFO L226 Difference]: Without dead ends: 767 [2018-11-28 18:44:49,245 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 18:44:49,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2018-11-28 18:44:49,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 767. [2018-11-28 18:44:49,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2018-11-28 18:44:49,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 880 transitions. [2018-11-28 18:44:49,311 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 880 transitions. Word has length 108 [2018-11-28 18:44:49,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:49,312 INFO L480 AbstractCegarLoop]: Abstraction has 767 states and 880 transitions. [2018-11-28 18:44:49,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:44:49,312 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 880 transitions. [2018-11-28 18:44:49,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-28 18:44:49,318 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:49,318 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:49,320 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:49,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:49,320 INFO L82 PathProgramCache]: Analyzing trace with hash 727830312, now seen corresponding path program 1 times [2018-11-28 18:44:49,320 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:49,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:49,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:49,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:49,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:49,627 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-28 18:44:49,627 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:44:49,627 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:44:49,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:49,790 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:44:49,840 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 18:44:49,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:44:49,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-28 18:44:49,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:44:49,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:44:49,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:44:49,874 INFO L87 Difference]: Start difference. First operand 767 states and 880 transitions. Second operand 6 states. [2018-11-28 18:44:50,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:50,928 INFO L93 Difference]: Finished difference Result 1673 states and 2014 transitions. [2018-11-28 18:44:50,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:50,929 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-28 18:44:50,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:50,936 INFO L225 Difference]: With dead ends: 1673 [2018-11-28 18:44:50,936 INFO L226 Difference]: Without dead ends: 1062 [2018-11-28 18:44:50,939 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:44:50,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2018-11-28 18:44:51,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 955. [2018-11-28 18:44:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 955 states. [2018-11-28 18:44:51,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1112 transitions. [2018-11-28 18:44:51,017 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1112 transitions. Word has length 164 [2018-11-28 18:44:51,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:51,019 INFO L480 AbstractCegarLoop]: Abstraction has 955 states and 1112 transitions. [2018-11-28 18:44:51,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:44:51,019 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1112 transitions. [2018-11-28 18:44:51,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-28 18:44:51,025 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:51,026 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:51,027 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:51,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:51,027 INFO L82 PathProgramCache]: Analyzing trace with hash 568396898, now seen corresponding path program 1 times [2018-11-28 18:44:51,027 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:51,027 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:51,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:51,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:51,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-28 18:44:52,033 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:44:52,033 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:44:52,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:52,211 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:44:52,382 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 18:44:52,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:44:52,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:44:52,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:44:52,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:44:52,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:44:52,403 INFO L87 Difference]: Start difference. First operand 955 states and 1112 transitions. Second operand 19 states. [2018-11-28 18:44:53,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:53,676 INFO L93 Difference]: Finished difference Result 1636 states and 1935 transitions. [2018-11-28 18:44:53,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:44:53,682 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 160 [2018-11-28 18:44:53,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:53,684 INFO L225 Difference]: With dead ends: 1636 [2018-11-28 18:44:53,684 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:44:53,693 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 157 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 18:44:53,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:44:53,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:44:53,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:44:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:44:53,695 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2018-11-28 18:44:53,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:53,696 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:44:53,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:44:53,696 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:44:53,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:44:53,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:44:54,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:54,537 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 18 [2018-11-28 18:44:54,873 WARN L180 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 16 [2018-11-28 18:44:54,992 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 1 [2018-11-28 18:44:55,554 WARN L180 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 22 [2018-11-28 18:44:55,740 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 22 [2018-11-28 18:44:55,844 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 19 [2018-11-28 18:44:56,517 WARN L180 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2018-11-28 18:44:57,192 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 20 [2018-11-28 18:44:58,405 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 29 [2018-11-28 18:44:58,561 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-28 18:44:58,562 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-28 18:44:58,562 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-28 18:44:58,562 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-28 18:44:58,562 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-28 18:44:58,562 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 622 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:58,562 INFO L444 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:58,562 INFO L444 ceAbstractionStarter]: At program point L634-1(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:58,563 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 622 644) no Hoare annotation was computed. [2018-11-28 18:44:58,563 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 639) no Hoare annotation was computed. [2018-11-28 18:44:58,563 INFO L448 ceAbstractionStarter]: For program point L632-1(lines 632 639) no Hoare annotation was computed. [2018-11-28 18:44:58,563 INFO L448 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2018-11-28 18:44:58,563 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:58,563 INFO L444 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:58,563 INFO L444 ceAbstractionStarter]: At program point L628-1(line 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:58,564 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 622 644) no Hoare annotation was computed. [2018-11-28 18:44:58,564 INFO L444 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-28 18:44:58,564 INFO L448 ceAbstractionStarter]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2018-11-28 18:44:58,564 INFO L444 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse3 .cse0))) [2018-11-28 18:44:58,564 INFO L444 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or (and .cse0 (= 0 ~pumpRunning~0) .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:58,564 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 702) no Hoare annotation was computed. [2018-11-28 18:44:58,564 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse3 (not .cse2) .cse0))) [2018-11-28 18:44:58,565 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-11-28 18:44:58,565 INFO L448 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2018-11-28 18:44:58,565 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 686 710) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:44:58,565 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 686 710) no Hoare annotation was computed. [2018-11-28 18:44:58,565 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 781 789) no Hoare annotation was computed. [2018-11-28 18:44:58,565 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 781 789) the Hoare annotation is: true [2018-11-28 18:44:58,565 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 781 789) no Hoare annotation was computed. [2018-11-28 18:44:58,565 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-28 18:44:58,565 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-28 18:44:58,566 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 611 621) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:58,566 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 611 621) no Hoare annotation was computed. [2018-11-28 18:44:58,566 INFO L444 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:58,566 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 611 621) no Hoare annotation was computed. [2018-11-28 18:44:58,566 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 770 780) the Hoare annotation is: true [2018-11-28 18:44:58,566 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 770 780) no Hoare annotation was computed. [2018-11-28 18:44:58,566 INFO L451 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-11-28 18:44:58,566 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 770 780) no Hoare annotation was computed. [2018-11-28 18:44:58,566 INFO L448 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-11-28 18:44:58,567 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 762 769) the Hoare annotation is: (or (not (= ~methaneLevelCritical~0 1)) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:44:58,567 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2018-11-28 18:44:58,567 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2018-11-28 18:44:58,567 INFO L444 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse2) (or .cse4 .cse3 .cse0))) [2018-11-28 18:44:58,567 INFO L448 ceAbstractionStarter]: For program point L731-1(lines 712 736) no Hoare annotation was computed. [2018-11-28 18:44:58,567 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 712 736) no Hoare annotation was computed. [2018-11-28 18:44:58,567 INFO L444 ceAbstractionStarter]: At program point L726(line 726) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-28 18:44:58,567 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 712 736) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:58,568 INFO L444 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:58,568 INFO L448 ceAbstractionStarter]: For program point L720(lines 720 728) no Hoare annotation was computed. [2018-11-28 18:44:58,568 INFO L444 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse1 .cse2 .cse4))) [2018-11-28 18:44:58,568 INFO L448 ceAbstractionStarter]: For program point L718-1(line 718) no Hoare annotation was computed. [2018-11-28 18:44:58,568 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 733) no Hoare annotation was computed. [2018-11-28 18:44:58,568 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2018-11-28 18:44:58,568 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2018-11-28 18:44:58,568 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2018-11-28 18:44:58,569 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2018-11-28 18:44:58,569 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 678 684) no Hoare annotation was computed. [2018-11-28 18:44:58,569 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 678 684) the Hoare annotation is: true [2018-11-28 18:44:58,569 INFO L444 ceAbstractionStarter]: At program point L960(lines 911 961) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:58,569 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 902 967) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:58,569 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 902 967) no Hoare annotation was computed. [2018-11-28 18:44:58,569 INFO L448 ceAbstractionStarter]: For program point L950(lines 950 954) no Hoare annotation was computed. [2018-11-28 18:44:58,569 INFO L444 ceAbstractionStarter]: At program point L950-2(lines 942 955) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-28 18:44:58,570 INFO L448 ceAbstractionStarter]: For program point L913(lines 912 959) no Hoare annotation was computed. [2018-11-28 18:44:58,570 INFO L444 ceAbstractionStarter]: At program point L944(line 944) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-28 18:44:58,570 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 955) no Hoare annotation was computed. [2018-11-28 18:44:58,570 INFO L444 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-28 18:44:58,570 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 938) no Hoare annotation was computed. [2018-11-28 18:44:58,570 INFO L448 ceAbstractionStarter]: For program point L932-1(lines 932 938) no Hoare annotation was computed. [2018-11-28 18:44:58,570 INFO L444 ceAbstractionStarter]: At program point L957(lines 912 959) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-28 18:44:58,571 INFO L444 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= 0 ~pumpRunning~0) .cse0 .cse1) (= ~methaneLevelCritical~0 1)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:44:58,571 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2018-11-28 18:44:58,571 INFO L448 ceAbstractionStarter]: For program point L922-1(lines 922 928) no Hoare annotation was computed. [2018-11-28 18:44:58,571 INFO L448 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2018-11-28 18:44:58,571 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 902 967) no Hoare annotation was computed. [2018-11-28 18:44:58,571 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 737 744) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:44:58,571 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 737 744) no Hoare annotation was computed. [2018-11-28 18:44:58,571 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 737 744) no Hoare annotation was computed. [2018-11-28 18:44:58,571 INFO L444 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:58,571 INFO L448 ceAbstractionStarter]: For program point L885(lines 885 891) no Hoare annotation was computed. [2018-11-28 18:44:58,572 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 894) no Hoare annotation was computed. [2018-11-28 18:44:58,572 INFO L444 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:44:58,572 INFO L448 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2018-11-28 18:44:58,572 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 872 900) the Hoare annotation is: true [2018-11-28 18:44:58,572 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 897) no Hoare annotation was computed. [2018-11-28 18:44:58,572 INFO L448 ceAbstractionStarter]: For program point L880-1(lines 872 900) no Hoare annotation was computed. [2018-11-28 18:44:58,572 INFO L451 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-11-28 18:44:58,572 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-11-28 18:44:58,572 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 872 900) no Hoare annotation was computed. [2018-11-28 18:44:58,572 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 864 871) the Hoare annotation is: true [2018-11-28 18:44:58,572 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 864 871) no Hoare annotation was computed. [2018-11-28 18:44:58,573 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 864 871) no Hoare annotation was computed. [2018-11-28 18:44:58,573 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:44:58,573 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:44:58,573 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:44:58,573 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 758) no Hoare annotation was computed. [2018-11-28 18:44:58,573 INFO L444 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3))) [2018-11-28 18:44:58,573 INFO L448 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2018-11-28 18:44:58,573 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 745 761) no Hoare annotation was computed. [2018-11-28 18:44:58,573 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 745 761) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3))) [2018-11-28 18:44:58,574 INFO L444 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (= activatePump_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:44:58,574 INFO L448 ceAbstractionStarter]: For program point L756-1(lines 745 761) no Hoare annotation was computed. [2018-11-28 18:44:58,574 INFO L451 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: true [2018-11-28 18:44:58,574 INFO L448 ceAbstractionStarter]: For program point L835-2(lines 835 839) no Hoare annotation was computed. [2018-11-28 18:44:58,574 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 826 844) no Hoare annotation was computed. [2018-11-28 18:44:58,574 INFO L448 ceAbstractionStarter]: For program point L833-1(line 833) no Hoare annotation was computed. [2018-11-28 18:44:58,574 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 826 844) the Hoare annotation is: true [2018-11-28 18:44:58,574 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 826 844) no Hoare annotation was computed. [2018-11-28 18:44:58,574 INFO L448 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2018-11-28 18:44:58,575 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2018-11-28 18:44:58,575 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (= ~methaneLevelCritical~0 1) (not (= 0 ~pumpRunning~0)) .cse0) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-28 18:44:58,575 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2018-11-28 18:44:58,575 INFO L444 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 (and .cse3 .cse1) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (or .cse4 .cse3 .cse2)) (or .cse4 .cse1 .cse2))) [2018-11-28 18:44:58,575 INFO L444 ceAbstractionStarter]: At program point L665(lines 665 671) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~systemActive~0 1)))) (and (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 .cse1) .cse2 (and .cse3 .cse1) (not (= ~methaneLevelCritical~0 0)))) (or .cse0 (or .cse4 .cse3 .cse2)) (or (= 0 ~pumpRunning~0) .cse4 .cse2))) [2018-11-28 18:44:58,575 INFO L444 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (and (not (= 0 |old(~pumpRunning~0)|)) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 18:44:58,575 INFO L448 ceAbstractionStarter]: For program point L658(lines 657 676) no Hoare annotation was computed. [2018-11-28 18:44:58,576 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 654 677) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:58,576 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 654 677) no Hoare annotation was computed. [2018-11-28 18:44:58,576 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 654 677) no Hoare annotation was computed. [2018-11-28 18:44:58,576 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 547 576) no Hoare annotation was computed. [2018-11-28 18:44:58,576 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 547 576) the Hoare annotation is: true [2018-11-28 18:44:58,576 INFO L451 ceAbstractionStarter]: At program point L572(lines 547 576) the Hoare annotation is: true [2018-11-28 18:44:58,576 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-28 18:44:58,576 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 565) no Hoare annotation was computed. [2018-11-28 18:44:58,576 INFO L451 ceAbstractionStarter]: At program point L561-1(lines 561 565) the Hoare annotation is: true [2018-11-28 18:44:58,577 INFO L448 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-11-28 18:44:58,577 INFO L451 ceAbstractionStarter]: At program point L557-2(lines 557 571) the Hoare annotation is: true [2018-11-28 18:44:58,577 INFO L451 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-11-28 18:44:58,577 INFO L448 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-11-28 18:44:58,577 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2018-11-28 18:44:58,577 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2018-11-28 18:44:58,577 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2018-11-28 18:44:58,577 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (or .cse0 .cse1) .cse2) (or .cse2 (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1)))) [2018-11-28 18:44:58,577 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2018-11-28 18:44:58,577 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2018-11-28 18:44:58,578 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 602 608) no Hoare annotation was computed. [2018-11-28 18:44:58,578 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 602 608) the Hoare annotation is: true [2018-11-28 18:44:58,578 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:44:58,578 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-28 18:44:58,578 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:44:58,578 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:44:58,578 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2018-11-28 18:44:58,578 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:58,578 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 845 852) no Hoare annotation was computed. [2018-11-28 18:44:58,579 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2018-11-28 18:44:58,579 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2018-11-28 18:44:58,579 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:58,579 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 854 861) no Hoare annotation was computed. [2018-11-28 18:44:58,579 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 854 861) the Hoare annotation is: true [2018-11-28 18:44:58,579 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 854 861) no Hoare annotation was computed. [2018-11-28 18:44:58,579 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2018-11-28 18:44:58,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:44:58 BoogieIcfgContainer [2018-11-28 18:44:58,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:44:58,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:44:58,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:44:58,595 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:44:58,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:34" (3/4) ... [2018-11-28 18:44:58,600 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:44:58,608 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:44:58,608 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:44:58,608 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:44:58,608 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:44:58,608 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:44:58,608 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:44:58,608 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:44:58,608 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:44:58,609 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:44:58,609 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:44:58,609 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:44:58,609 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:44:58,609 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:44:58,609 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:44:58,609 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:58,609 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:58,609 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:44:58,609 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:44:58,609 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:44:58,610 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:44:58,610 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:44:58,610 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:44:58,610 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:44:58,610 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:44:58,610 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:44:58,611 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:44:58,611 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:44:58,611 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:44:58,621 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 18:44:58,622 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:44:58,623 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:44:58,623 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:44:58,624 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:44:58,624 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:44:58,665 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && systemActive == 1) && splverifierCounter == 0) [2018-11-28 18:44:58,666 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:44:58,762 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:44:58,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:44:58,764 INFO L168 Benchmark]: Toolchain (without parser) took 26343.90 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 363.9 MB). Free memory was 951.3 MB in the beginning and 904.6 MB in the end (delta: 46.7 MB). Peak memory consumption was 410.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:58,764 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:44:58,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:58,765 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.12 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 18:44:58,765 INFO L168 Benchmark]: Boogie Preprocessor took 65.98 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 18:44:58,766 INFO L168 Benchmark]: RCFGBuilder took 1189.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:58,766 INFO L168 Benchmark]: TraceAbstraction took 24094.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 242.7 MB). Free memory was 1.0 GB in the beginning and 917.5 MB in the end (delta: 129.1 MB). Peak memory consumption was 421.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:58,766 INFO L168 Benchmark]: Witness Printer took 167.62 ms. Allocated memory is still 1.4 GB. Free memory was 917.5 MB in the beginning and 904.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:58,771 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 777.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.98 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 1189.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24094.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 242.7 MB). Free memory was 1.0 GB in the beginning and 917.5 MB in the end (delta: 129.1 MB). Peak memory consumption was 421.1 MB. Max. memory is 11.5 GB. * Witness Printer took 167.62 ms. Allocated memory is still 1.4 GB. Free memory was 917.5 MB in the beginning and 904.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 858]: 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: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 152 locations, 1 error locations. SAFE Result, 24.0s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 12.5s AutomataDifference, 0.0s DeadEndRemovalTime, 4.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2225 SDtfs, 1759 SDslu, 7208 SDs, 0 SdLazy, 3504 SolverSat, 616 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 590 GetRequests, 473 SyntacticMatches, 3 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=955occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 186 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2013 PreInvPairs, 2148 NumberOfFragments, 1428 HoareAnnotationTreeSize, 2013 FomulaSimplifications, 6321 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 12563 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 1558 NumberOfCodeBlocks, 1558 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1543 ConstructedInterpolants, 0 QuantifiedInterpolants, 283897 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2639 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 208/216 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...