java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:35:07,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:35:07,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:35:07,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:35:07,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:35:07,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:35:07,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:35:07,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:35:07,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:35:07,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:35:07,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:35:07,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:35:07,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:35:07,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:35:07,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:35:07,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:35:07,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:35:07,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:35:07,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:35:07,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:35:07,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:35:07,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:35:07,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:35:07,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:35:07,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 16:35:07,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 16:35:07,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 16:35:07,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 16:35:07,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 16:35:07,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 16:35:07,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:35:07,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:35:07,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:35:07,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:35:07,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:35:07,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:35:07,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:35:07,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:35:07,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:35:07,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:35:07,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:35:07,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-16 16:35:07,494 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:35:07,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:35:07,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:35:07,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:35:07,496 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:35:07,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:35:07,497 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:35:07,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:35:07,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:35:07,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:35:07,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:35:07,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:35:07,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:35:07,498 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:35:07,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:35:07,498 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:35:07,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:35:07,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:35:07,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:35:07,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:35:07,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:35:07,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:35:07,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:35:07,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:35:07,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:35:07,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:35:07,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:35:07,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:35:07,501 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:35:07,529 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:35:07,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:35:07,551 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:35:07,552 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:35:07,553 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:35:07,554 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product48.cil.c [2019-09-16 16:35:07,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f3de3ba/8d004fa735f9431d89144398e75be00d/FLAGb491cc921 [2019-09-16 16:35:08,106 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:35:08,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product48.cil.c [2019-09-16 16:35:08,131 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f3de3ba/8d004fa735f9431d89144398e75be00d/FLAGb491cc921 [2019-09-16 16:35:08,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f3de3ba/8d004fa735f9431d89144398e75be00d [2019-09-16 16:35:08,468 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:35:08,469 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:35:08,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:35:08,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:35:08,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:35:08,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:35:08" (1/1) ... [2019-09-16 16:35:08,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403b277c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:08, skipping insertion in model container [2019-09-16 16:35:08,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:35:08" (1/1) ... [2019-09-16 16:35:08,487 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:35:08,555 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:35:09,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:35:09,085 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:35:09,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:35:09,222 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:35:09,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:09 WrapperNode [2019-09-16 16:35:09,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:35:09,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:35:09,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:35:09,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:35:09,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:09" (1/1) ... [2019-09-16 16:35:09,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:09" (1/1) ... [2019-09-16 16:35:09,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:09" (1/1) ... [2019-09-16 16:35:09,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:09" (1/1) ... [2019-09-16 16:35:09,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:09" (1/1) ... [2019-09-16 16:35:09,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:09" (1/1) ... [2019-09-16 16:35:09,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:09" (1/1) ... [2019-09-16 16:35:09,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:35:09,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:35:09,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:35:09,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:35:09,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:09" (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 [2019-09-16 16:35:09,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:35:09,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:35:09,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 16:35:09,417 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 16:35:09,418 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 16:35:09,418 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 16:35:09,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 16:35:09,418 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 16:35:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 16:35:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 16:35:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 16:35:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 16:35:09,421 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 16:35:09,421 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 16:35:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 16:35:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 16:35:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 16:35:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 16:35:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 16:35:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-16 16:35:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 16:35:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 16:35:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 16:35:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 16:35:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 16:35:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 16:35:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-16 16:35:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-16 16:35:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-16 16:35:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-16 16:35:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 16:35:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 16:35:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 16:35:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 16:35:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 16:35:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 16:35:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 16:35:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 16:35:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 16:35:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 16:35:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 16:35:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:35:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:35:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 16:35:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 16:35:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 16:35:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 16:35:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 16:35:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 16:35:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 16:35:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 16:35:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 16:35:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:35:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 16:35:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 16:35:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 16:35:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 16:35:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-16 16:35:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-16 16:35:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 16:35:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 16:35:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 16:35:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 16:35:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 16:35:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 16:35:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 16:35:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-16 16:35:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 16:35:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 16:35:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 16:35:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 16:35:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 16:35:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-16 16:35:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 16:35:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-16 16:35:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 16:35:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 16:35:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 16:35:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 16:35:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 16:35:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 16:35:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:35:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 16:35:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 16:35:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:35:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 16:35:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 16:35:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:35:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 16:35:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 16:35:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 16:35:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 16:35:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 16:35:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 16:35:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:35:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:35:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 16:35:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:35:10,647 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:35:10,648 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 16:35:10,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:35:10 BoogieIcfgContainer [2019-09-16 16:35:10,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:35:10,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:35:10,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:35:10,655 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:35:10,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:35:08" (1/3) ... [2019-09-16 16:35:10,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60603b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:35:10, skipping insertion in model container [2019-09-16 16:35:10,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:09" (2/3) ... [2019-09-16 16:35:10,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60603b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:35:10, skipping insertion in model container [2019-09-16 16:35:10,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:35:10" (3/3) ... [2019-09-16 16:35:10,661 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2019-09-16 16:35:10,672 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:35:10,681 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:35:10,698 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:35:10,728 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:35:10,729 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:35:10,729 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:35:10,729 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:35:10,729 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:35:10,730 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:35:10,730 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:35:10,730 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:35:10,730 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:35:10,755 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states. [2019-09-16 16:35:10,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-16 16:35:10,766 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:10,768 INFO L407 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] [2019-09-16 16:35:10,770 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:10,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:10,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1956679058, now seen corresponding path program 1 times [2019-09-16 16:35:10,780 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:10,781 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:10,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:10,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:10,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:11,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:11,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:11,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 16:35:11,135 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 16:35:11,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 16:35:11,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:35:11,160 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 2 states. [2019-09-16 16:35:11,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:11,260 INFO L93 Difference]: Finished difference Result 286 states and 357 transitions. [2019-09-16 16:35:11,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 16:35:11,262 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-16 16:35:11,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:11,289 INFO L225 Difference]: With dead ends: 286 [2019-09-16 16:35:11,290 INFO L226 Difference]: Without dead ends: 145 [2019-09-16 16:35:11,299 INFO L636 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 [2019-09-16 16:35:11,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-09-16 16:35:11,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2019-09-16 16:35:11,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-09-16 16:35:11,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 172 transitions. [2019-09-16 16:35:11,403 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 172 transitions. Word has length 51 [2019-09-16 16:35:11,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:11,405 INFO L475 AbstractCegarLoop]: Abstraction has 145 states and 172 transitions. [2019-09-16 16:35:11,405 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 16:35:11,405 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2019-09-16 16:35:11,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-16 16:35:11,417 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:11,417 INFO L407 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] [2019-09-16 16:35:11,417 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:11,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:11,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1975214799, now seen corresponding path program 1 times [2019-09-16 16:35:11,419 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:11,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:11,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:11,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:11,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:11,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:11,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:35:11,583 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:35:11,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:35:11,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:35:11,584 INFO L87 Difference]: Start difference. First operand 145 states and 172 transitions. Second operand 3 states. [2019-09-16 16:35:11,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:11,624 INFO L93 Difference]: Finished difference Result 225 states and 267 transitions. [2019-09-16 16:35:11,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:35:11,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-16 16:35:11,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:11,628 INFO L225 Difference]: With dead ends: 225 [2019-09-16 16:35:11,628 INFO L226 Difference]: Without dead ends: 136 [2019-09-16 16:35:11,630 INFO L636 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 [2019-09-16 16:35:11,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-09-16 16:35:11,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-09-16 16:35:11,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-09-16 16:35:11,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 160 transitions. [2019-09-16 16:35:11,644 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 160 transitions. Word has length 52 [2019-09-16 16:35:11,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:11,644 INFO L475 AbstractCegarLoop]: Abstraction has 136 states and 160 transitions. [2019-09-16 16:35:11,645 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:35:11,645 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 160 transitions. [2019-09-16 16:35:11,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-16 16:35:11,647 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:11,647 INFO L407 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] [2019-09-16 16:35:11,647 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:11,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:11,648 INFO L82 PathProgramCache]: Analyzing trace with hash -881076325, now seen corresponding path program 1 times [2019-09-16 16:35:11,648 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:11,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:11,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:11,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:11,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:11,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:11,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:11,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:35:11,902 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:35:11,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:35:11,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:35:11,904 INFO L87 Difference]: Start difference. First operand 136 states and 160 transitions. Second operand 7 states. [2019-09-16 16:35:12,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:12,433 INFO L93 Difference]: Finished difference Result 403 states and 494 transitions. [2019-09-16 16:35:12,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 16:35:12,434 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-09-16 16:35:12,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:12,438 INFO L225 Difference]: With dead ends: 403 [2019-09-16 16:35:12,438 INFO L226 Difference]: Without dead ends: 295 [2019-09-16 16:35:12,440 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-16 16:35:12,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2019-09-16 16:35:12,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 283. [2019-09-16 16:35:12,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2019-09-16 16:35:12,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 346 transitions. [2019-09-16 16:35:12,538 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 346 transitions. Word has length 57 [2019-09-16 16:35:12,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:12,539 INFO L475 AbstractCegarLoop]: Abstraction has 283 states and 346 transitions. [2019-09-16 16:35:12,539 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:35:12,541 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 346 transitions. [2019-09-16 16:35:12,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-09-16 16:35:12,544 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:12,544 INFO L407 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] [2019-09-16 16:35:12,544 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:12,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:12,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1318351478, now seen corresponding path program 1 times [2019-09-16 16:35:12,545 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:12,545 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:12,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:12,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:12,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:12,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:12,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:35:12,720 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:35:12,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:35:12,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:35:12,720 INFO L87 Difference]: Start difference. First operand 283 states and 346 transitions. Second operand 6 states. [2019-09-16 16:35:12,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:12,975 INFO L93 Difference]: Finished difference Result 775 states and 972 transitions. [2019-09-16 16:35:12,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:35:12,976 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-09-16 16:35:12,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:12,981 INFO L225 Difference]: With dead ends: 775 [2019-09-16 16:35:12,981 INFO L226 Difference]: Without dead ends: 520 [2019-09-16 16:35:12,983 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:35:12,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2019-09-16 16:35:13,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 514. [2019-09-16 16:35:13,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2019-09-16 16:35:13,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 632 transitions. [2019-09-16 16:35:13,046 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 632 transitions. Word has length 62 [2019-09-16 16:35:13,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:13,048 INFO L475 AbstractCegarLoop]: Abstraction has 514 states and 632 transitions. [2019-09-16 16:35:13,049 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:35:13,054 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 632 transitions. [2019-09-16 16:35:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-16 16:35:13,057 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:13,058 INFO L407 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] [2019-09-16 16:35:13,058 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:13,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:13,065 INFO L82 PathProgramCache]: Analyzing trace with hash 35250534, now seen corresponding path program 1 times [2019-09-16 16:35:13,065 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:13,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:13,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:13,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:13,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:13,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:13,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:35:13,235 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:35:13,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:35:13,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:35:13,236 INFO L87 Difference]: Start difference. First operand 514 states and 632 transitions. Second operand 7 states. [2019-09-16 16:35:13,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:13,986 INFO L93 Difference]: Finished difference Result 1355 states and 1778 transitions. [2019-09-16 16:35:13,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-16 16:35:13,987 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2019-09-16 16:35:13,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:13,994 INFO L225 Difference]: With dead ends: 1355 [2019-09-16 16:35:13,995 INFO L226 Difference]: Without dead ends: 869 [2019-09-16 16:35:13,998 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-16 16:35:13,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2019-09-16 16:35:14,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 771. [2019-09-16 16:35:14,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2019-09-16 16:35:14,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 935 transitions. [2019-09-16 16:35:14,063 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 935 transitions. Word has length 66 [2019-09-16 16:35:14,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:14,064 INFO L475 AbstractCegarLoop]: Abstraction has 771 states and 935 transitions. [2019-09-16 16:35:14,064 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:35:14,065 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 935 transitions. [2019-09-16 16:35:14,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-16 16:35:14,067 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:14,067 INFO L407 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] [2019-09-16 16:35:14,068 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:14,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:14,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1738725350, now seen corresponding path program 1 times [2019-09-16 16:35:14,068 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:14,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:14,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:14,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:14,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:14,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:35:14,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:14,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 16:35:14,186 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 16:35:14,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 16:35:14,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:35:14,186 INFO L87 Difference]: Start difference. First operand 771 states and 935 transitions. Second operand 4 states. [2019-09-16 16:35:14,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:14,521 INFO L93 Difference]: Finished difference Result 2848 states and 3668 transitions. [2019-09-16 16:35:14,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 16:35:14,522 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2019-09-16 16:35:14,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:14,537 INFO L225 Difference]: With dead ends: 2848 [2019-09-16 16:35:14,537 INFO L226 Difference]: Without dead ends: 2105 [2019-09-16 16:35:14,541 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:35:14,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2105 states. [2019-09-16 16:35:14,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2105 to 2059. [2019-09-16 16:35:14,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2059 states. [2019-09-16 16:35:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 2585 transitions. [2019-09-16 16:35:14,732 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 2585 transitions. Word has length 104 [2019-09-16 16:35:14,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:14,733 INFO L475 AbstractCegarLoop]: Abstraction has 2059 states and 2585 transitions. [2019-09-16 16:35:14,733 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 16:35:14,733 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2585 transitions. [2019-09-16 16:35:14,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-16 16:35:14,739 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:14,739 INFO L407 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] [2019-09-16 16:35:14,740 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:14,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:14,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1498185221, now seen corresponding path program 1 times [2019-09-16 16:35:14,740 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:14,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:14,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:14,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:14,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:14,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:35:14,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:14,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:35:14,812 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:35:14,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:35:14,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:35:14,813 INFO L87 Difference]: Start difference. First operand 2059 states and 2585 transitions. Second operand 6 states. [2019-09-16 16:35:14,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:14,935 INFO L93 Difference]: Finished difference Result 4174 states and 5466 transitions. [2019-09-16 16:35:14,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:35:14,936 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2019-09-16 16:35:14,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:14,951 INFO L225 Difference]: With dead ends: 4174 [2019-09-16 16:35:14,951 INFO L226 Difference]: Without dead ends: 2143 [2019-09-16 16:35:14,959 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:35:14,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2143 states. [2019-09-16 16:35:15,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2143 to 2119. [2019-09-16 16:35:15,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2119 states. [2019-09-16 16:35:15,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 2119 states and 2649 transitions. [2019-09-16 16:35:15,092 INFO L78 Accepts]: Start accepts. Automaton has 2119 states and 2649 transitions. Word has length 104 [2019-09-16 16:35:15,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:15,092 INFO L475 AbstractCegarLoop]: Abstraction has 2119 states and 2649 transitions. [2019-09-16 16:35:15,092 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:35:15,093 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2649 transitions. [2019-09-16 16:35:15,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-16 16:35:15,097 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:15,098 INFO L407 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] [2019-09-16 16:35:15,098 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:15,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:15,098 INFO L82 PathProgramCache]: Analyzing trace with hash 430087481, now seen corresponding path program 1 times [2019-09-16 16:35:15,099 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:15,099 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:15,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:15,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:15,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:15,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:35:15,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:15,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-16 16:35:15,208 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-16 16:35:15,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-16 16:35:15,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:35:15,209 INFO L87 Difference]: Start difference. First operand 2119 states and 2649 transitions. Second operand 8 states. [2019-09-16 16:35:15,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:15,311 INFO L93 Difference]: Finished difference Result 3846 states and 4956 transitions. [2019-09-16 16:35:15,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:35:15,311 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2019-09-16 16:35:15,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:15,328 INFO L225 Difference]: With dead ends: 3846 [2019-09-16 16:35:15,329 INFO L226 Difference]: Without dead ends: 1755 [2019-09-16 16:35:15,341 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:35:15,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2019-09-16 16:35:15,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1755. [2019-09-16 16:35:15,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1755 states. [2019-09-16 16:35:15,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 2163 transitions. [2019-09-16 16:35:15,496 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 2163 transitions. Word has length 104 [2019-09-16 16:35:15,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:15,497 INFO L475 AbstractCegarLoop]: Abstraction has 1755 states and 2163 transitions. [2019-09-16 16:35:15,497 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-16 16:35:15,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2163 transitions. [2019-09-16 16:35:15,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-16 16:35:15,508 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:15,508 INFO L407 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] [2019-09-16 16:35:15,509 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:15,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:15,509 INFO L82 PathProgramCache]: Analyzing trace with hash 832876050, now seen corresponding path program 1 times [2019-09-16 16:35:15,510 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:15,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:15,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:15,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:15,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:15,815 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-16 16:35:15,816 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:35:15,816 INFO L224 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 [2019-09-16 16:35:15,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:16,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-16 16:35:16,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:35:16,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:16,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:35:16,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-16 16:35:16,252 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-16 16:35:16,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-16 16:35:16,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-16 16:35:16,254 INFO L87 Difference]: Start difference. First operand 1755 states and 2163 transitions. Second operand 19 states. [2019-09-16 16:35:17,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:17,930 INFO L93 Difference]: Finished difference Result 3452 states and 4302 transitions. [2019-09-16 16:35:17,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-16 16:35:17,930 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2019-09-16 16:35:17,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:17,943 INFO L225 Difference]: With dead ends: 3452 [2019-09-16 16:35:17,943 INFO L226 Difference]: Without dead ends: 1725 [2019-09-16 16:35:17,950 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-16 16:35:17,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2019-09-16 16:35:18,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1725. [2019-09-16 16:35:18,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1725 states. [2019-09-16 16:35:18,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1725 states and 2081 transitions. [2019-09-16 16:35:18,056 INFO L78 Accepts]: Start accepts. Automaton has 1725 states and 2081 transitions. Word has length 108 [2019-09-16 16:35:18,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:18,056 INFO L475 AbstractCegarLoop]: Abstraction has 1725 states and 2081 transitions. [2019-09-16 16:35:18,057 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-16 16:35:18,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2081 transitions. [2019-09-16 16:35:18,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-09-16 16:35:18,064 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:18,064 INFO L407 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] [2019-09-16 16:35:18,065 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:18,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:18,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1507622901, now seen corresponding path program 1 times [2019-09-16 16:35:18,065 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:18,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:18,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:18,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:18,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-16 16:35:18,162 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:35:18,162 INFO L224 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 [2019-09-16 16:35:18,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:18,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-16 16:35:18,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:35:18,418 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-16 16:35:18,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:35:18,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2019-09-16 16:35:18,429 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:35:18,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:35:18,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:35:18,430 INFO L87 Difference]: Start difference. First operand 1725 states and 2081 transitions. Second operand 6 states. [2019-09-16 16:35:19,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:19,299 INFO L93 Difference]: Finished difference Result 3949 states and 5033 transitions. [2019-09-16 16:35:19,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 16:35:19,299 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2019-09-16 16:35:19,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:19,315 INFO L225 Difference]: With dead ends: 3949 [2019-09-16 16:35:19,315 INFO L226 Difference]: Without dead ends: 2576 [2019-09-16 16:35:19,321 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-09-16 16:35:19,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2576 states. [2019-09-16 16:35:19,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2576 to 2239. [2019-09-16 16:35:19,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2239 states. [2019-09-16 16:35:19,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 2717 transitions. [2019-09-16 16:35:19,487 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 2717 transitions. Word has length 164 [2019-09-16 16:35:19,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:19,487 INFO L475 AbstractCegarLoop]: Abstraction has 2239 states and 2717 transitions. [2019-09-16 16:35:19,487 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:35:19,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 2717 transitions. [2019-09-16 16:35:19,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-09-16 16:35:19,496 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:19,497 INFO L407 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] [2019-09-16 16:35:19,497 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:19,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:19,498 INFO L82 PathProgramCache]: Analyzing trace with hash -903940859, now seen corresponding path program 1 times [2019-09-16 16:35:19,498 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:19,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:19,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:19,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:19,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:19,692 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-09-16 16:35:19,692 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:35:19,693 INFO L224 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 [2019-09-16 16:35:19,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:19,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-16 16:35:19,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:35:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-16 16:35:20,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:35:20,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-16 16:35:20,304 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-16 16:35:20,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-16 16:35:20,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-16 16:35:20,305 INFO L87 Difference]: Start difference. First operand 2239 states and 2717 transitions. Second operand 19 states. [2019-09-16 16:35:21,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:21,785 INFO L93 Difference]: Finished difference Result 3935 states and 4861 transitions. [2019-09-16 16:35:21,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-16 16:35:21,785 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 160 [2019-09-16 16:35:21,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:21,787 INFO L225 Difference]: With dead ends: 3935 [2019-09-16 16:35:21,787 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:35:21,798 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 157 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-16 16:35:21,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:35:21,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:35:21,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:35:21,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:35:21,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2019-09-16 16:35:21,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:21,800 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:35:21,800 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-16 16:35:21,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:35:21,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:35:21,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:35:23,476 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 21 [2019-09-16 16:35:23,619 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2019-09-16 16:35:23,885 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 28 [2019-09-16 16:35:24,025 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 21 [2019-09-16 16:35:24,334 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2019-09-16 16:35:24,629 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 26 [2019-09-16 16:35:24,867 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 20 [2019-09-16 16:35:24,976 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 16 [2019-09-16 16:35:25,242 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 19 [2019-09-16 16:35:25,518 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 19 [2019-09-16 16:35:25,996 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 30 [2019-09-16 16:35:26,104 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 18 [2019-09-16 16:35:26,231 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 18 [2019-09-16 16:35:26,890 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 12 [2019-09-16 16:35:27,123 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 26 [2019-09-16 16:35:27,500 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 22 [2019-09-16 16:35:27,738 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 23 [2019-09-16 16:35:27,915 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 19 [2019-09-16 16:35:28,132 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 17 [2019-09-16 16:35:28,344 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 29 [2019-09-16 16:35:28,780 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 25 [2019-09-16 16:35:28,783 INFO L443 ceAbstractionStarter]: For program point L598(lines 598 602) no Hoare annotation was computed. [2019-09-16 16:35:28,783 INFO L443 ceAbstractionStarter]: For program point L598-1(lines 598 602) no Hoare annotation was computed. [2019-09-16 16:35:28,783 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 567 622) no Hoare annotation was computed. [2019-09-16 16:35:28,783 INFO L443 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2019-09-16 16:35:28,783 INFO L443 ceAbstractionStarter]: For program point L592-2(lines 592 613) no Hoare annotation was computed. [2019-09-16 16:35:28,783 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 567 622) no Hoare annotation was computed. [2019-09-16 16:35:28,783 INFO L443 ceAbstractionStarter]: For program point L614(lines 591 615) no Hoare annotation was computed. [2019-09-16 16:35:28,783 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 567 622) no Hoare annotation was computed. [2019-09-16 16:35:28,783 INFO L443 ceAbstractionStarter]: For program point L668(line 668) no Hoare annotation was computed. [2019-09-16 16:35:28,784 INFO L443 ceAbstractionStarter]: For program point L668-1(line 668) no Hoare annotation was computed. [2019-09-16 16:35:28,784 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 623 682) no Hoare annotation was computed. [2019-09-16 16:35:28,784 INFO L443 ceAbstractionStarter]: For program point L655(lines 655 659) no Hoare annotation was computed. [2019-09-16 16:35:28,784 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 623 682) no Hoare annotation was computed. [2019-09-16 16:35:28,784 INFO L443 ceAbstractionStarter]: For program point L655-1(lines 655 659) no Hoare annotation was computed. [2019-09-16 16:35:28,784 INFO L443 ceAbstractionStarter]: For program point L650(line 650) no Hoare annotation was computed. [2019-09-16 16:35:28,784 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 623 682) no Hoare annotation was computed. [2019-09-16 16:35:28,784 INFO L443 ceAbstractionStarter]: For program point L649-2(lines 649 674) no Hoare annotation was computed. [2019-09-16 16:35:28,784 INFO L443 ceAbstractionStarter]: For program point L675(lines 648 676) no Hoare annotation was computed. [2019-09-16 16:35:28,785 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2019-09-16 16:35:28,785 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2019-09-16 16:35:28,785 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2019-09-16 16:35:28,785 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2019-09-16 16:35:28,785 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2019-09-16 16:35:28,785 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 963 985) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:28,786 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 963 985) no Hoare annotation was computed. [2019-09-16 16:35:28,786 INFO L439 ceAbstractionStarter]: At program point L975(line 975) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:28,786 INFO L439 ceAbstractionStarter]: At program point L975-1(line 975) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:28,788 INFO L443 ceAbstractionStarter]: For program point L973(lines 973 980) no Hoare annotation was computed. [2019-09-16 16:35:28,788 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 963 985) no Hoare annotation was computed. [2019-09-16 16:35:28,788 INFO L443 ceAbstractionStarter]: For program point L973-1(lines 973 980) no Hoare annotation was computed. [2019-09-16 16:35:28,788 INFO L443 ceAbstractionStarter]: For program point L971(line 971) no Hoare annotation was computed. [2019-09-16 16:35:28,788 INFO L439 ceAbstractionStarter]: At program point L970(line 970) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:28,789 INFO L439 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:28,789 INFO L439 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:28,789 INFO L443 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2019-09-16 16:35:28,789 INFO L443 ceAbstractionStarter]: For program point L928(line 928) no Hoare annotation was computed. [2019-09-16 16:35:28,789 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 921 944) no Hoare annotation was computed. [2019-09-16 16:35:28,790 INFO L443 ceAbstractionStarter]: For program point L927(line 927) no Hoare annotation was computed. [2019-09-16 16:35:28,790 INFO L443 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2019-09-16 16:35:28,790 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 921 944) no Hoare annotation was computed. [2019-09-16 16:35:28,790 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 921 944) no Hoare annotation was computed. [2019-09-16 16:35:28,790 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-09-16 16:35:28,790 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2019-09-16 16:35:28,790 INFO L443 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2019-09-16 16:35:28,790 INFO L443 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2019-09-16 16:35:28,790 INFO L443 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2019-09-16 16:35:28,791 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-09-16 16:35:28,791 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-09-16 16:35:28,791 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-09-16 16:35:28,791 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-09-16 16:35:28,791 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-09-16 16:35:28,791 INFO L439 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2019-09-16 16:35:28,791 INFO L443 ceAbstractionStarter]: For program point L311-1(lines 292 316) no Hoare annotation was computed. [2019-09-16 16:35:28,792 INFO L439 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (let ((.cse0 (= processEnvironment__wrappee__methaneQuery_~tmp~1 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~systemActive~0 0))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-09-16 16:35:28,792 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 292 316) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-16 16:35:28,792 INFO L439 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 .cse2) (or (not (<= ~waterLevel~0 1)) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 (and (<= 2 ~waterLevel~0) .cse0)))) [2019-09-16 16:35:28,792 INFO L443 ceAbstractionStarter]: For program point L300(lines 300 308) no Hoare annotation was computed. [2019-09-16 16:35:28,792 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 292 316) no Hoare annotation was computed. [2019-09-16 16:35:28,792 INFO L439 ceAbstractionStarter]: At program point L298(line 298) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-09-16 16:35:28,792 INFO L443 ceAbstractionStarter]: For program point L298-1(line 298) no Hoare annotation was computed. [2019-09-16 16:35:28,793 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 313) no Hoare annotation was computed. [2019-09-16 16:35:28,793 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 451 465) no Hoare annotation was computed. [2019-09-16 16:35:28,793 INFO L439 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse5 (= |old(~systemActive~0)| 0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 1 ~systemActive~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6) (or .cse6 .cse5 .cse4) (or .cse1 .cse4) (or .cse2 .cse0 .cse3))) [2019-09-16 16:35:28,793 INFO L443 ceAbstractionStarter]: For program point L455(lines 455 461) no Hoare annotation was computed. [2019-09-16 16:35:28,793 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 451 465) the Hoare annotation is: (let ((.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 1 ~systemActive~0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse5 .cse4 .cse2) (or .cse6 .cse3 .cse7) (or .cse6 .cse7 .cse2) (or .cse0 .cse3 .cse1))) [2019-09-16 16:35:28,793 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 451 465) no Hoare annotation was computed. [2019-09-16 16:35:28,794 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 387 395) no Hoare annotation was computed. [2019-09-16 16:35:28,794 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 387 395) the Hoare annotation is: true [2019-09-16 16:35:28,794 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 387 395) no Hoare annotation was computed. [2019-09-16 16:35:28,794 INFO L443 ceAbstractionStarter]: For program point L415(lines 415 423) no Hoare annotation was computed. [2019-09-16 16:35:28,794 INFO L443 ceAbstractionStarter]: For program point L415-2(lines 415 423) no Hoare annotation was computed. [2019-09-16 16:35:28,794 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 411) no Hoare annotation was computed. [2019-09-16 16:35:28,794 INFO L443 ceAbstractionStarter]: For program point L403-2(lines 403 411) no Hoare annotation was computed. [2019-09-16 16:35:28,794 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 396 431) no Hoare annotation was computed. [2019-09-16 16:35:28,794 INFO L443 ceAbstractionStarter]: For program point L426(line 426) no Hoare annotation was computed. [2019-09-16 16:35:28,795 INFO L443 ceAbstractionStarter]: For program point L426-1(line 426) no Hoare annotation was computed. [2019-09-16 16:35:28,795 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 396 431) no Hoare annotation was computed. [2019-09-16 16:35:28,795 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 396 431) no Hoare annotation was computed. [2019-09-16 16:35:28,795 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2019-09-16 16:35:28,795 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2019-09-16 16:35:28,795 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 521 566) no Hoare annotation was computed. [2019-09-16 16:35:28,795 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 521 566) no Hoare annotation was computed. [2019-09-16 16:35:28,795 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 521 566) no Hoare annotation was computed. [2019-09-16 16:35:28,796 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 834 879) no Hoare annotation was computed. [2019-09-16 16:35:28,796 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 861) no Hoare annotation was computed. [2019-09-16 16:35:28,796 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 868) no Hoare annotation was computed. [2019-09-16 16:35:28,796 INFO L443 ceAbstractionStarter]: For program point L848-1(lines 848 868) no Hoare annotation was computed. [2019-09-16 16:35:28,796 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 834 879) no Hoare annotation was computed. [2019-09-16 16:35:28,796 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 834 879) no Hoare annotation was computed. [2019-09-16 16:35:28,796 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 952 962) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:28,797 INFO L439 ceAbstractionStarter]: At program point L957(line 957) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:28,797 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 952 962) no Hoare annotation was computed. [2019-09-16 16:35:28,797 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 952 962) no Hoare annotation was computed. [2019-09-16 16:35:28,797 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 376 386) the Hoare annotation is: true [2019-09-16 16:35:28,797 INFO L446 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: true [2019-09-16 16:35:28,797 INFO L443 ceAbstractionStarter]: For program point L381-1(line 381) no Hoare annotation was computed. [2019-09-16 16:35:28,797 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 376 386) no Hoare annotation was computed. [2019-09-16 16:35:28,797 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 376 386) no Hoare annotation was computed. [2019-09-16 16:35:28,798 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 368 375) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-16 16:35:28,798 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 368 375) no Hoare annotation was computed. [2019-09-16 16:35:28,798 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 368 375) no Hoare annotation was computed. [2019-09-16 16:35:28,798 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-09-16 16:35:28,798 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-09-16 16:35:28,798 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-09-16 16:35:28,798 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2019-09-16 16:35:28,798 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 318 342) no Hoare annotation was computed. [2019-09-16 16:35:28,799 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 318 342) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-16 16:35:28,799 INFO L439 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2019-09-16 16:35:28,799 INFO L443 ceAbstractionStarter]: For program point L337-1(lines 318 342) no Hoare annotation was computed. [2019-09-16 16:35:28,799 INFO L439 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1))) [2019-09-16 16:35:28,799 INFO L439 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2019-09-16 16:35:28,799 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 334) no Hoare annotation was computed. [2019-09-16 16:35:28,800 INFO L439 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse4 .cse1 .cse2) (or .cse3 .cse0 .cse1))) [2019-09-16 16:35:28,800 INFO L443 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2019-09-16 16:35:28,800 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 339) no Hoare annotation was computed. [2019-09-16 16:35:28,800 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 284 290) no Hoare annotation was computed. [2019-09-16 16:35:28,800 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 284 290) the Hoare annotation is: true [2019-09-16 16:35:28,800 INFO L439 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and .cse0 (= 1 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:35:28,800 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 183 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:28,801 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 238) no Hoare annotation was computed. [2019-09-16 16:35:28,801 INFO L439 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:35:28,801 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 183 250) no Hoare annotation was computed. [2019-09-16 16:35:28,801 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 219) no Hoare annotation was computed. [2019-09-16 16:35:28,801 INFO L443 ceAbstractionStarter]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2019-09-16 16:35:28,801 INFO L439 ceAbstractionStarter]: At program point L240(lines 193 242) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:35:28,802 INFO L439 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (and (and .cse1 .cse2) (= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2))) [2019-09-16 16:35:28,802 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2019-09-16 16:35:28,802 INFO L443 ceAbstractionStarter]: For program point L203-1(lines 203 209) no Hoare annotation was computed. [2019-09-16 16:35:28,802 INFO L443 ceAbstractionStarter]: For program point L195(lines 195 199) no Hoare annotation was computed. [2019-09-16 16:35:28,802 INFO L439 ceAbstractionStarter]: At program point L243(lines 192 244) 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))) [2019-09-16 16:35:28,802 INFO L439 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse3) (and .cse1 .cse2 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:35:28,802 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 237) no Hoare annotation was computed. [2019-09-16 16:35:28,803 INFO L439 ceAbstractionStarter]: At program point L231-1(lines 223 238) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse3) (and .cse1 .cse2 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:35:28,803 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 183 250) no Hoare annotation was computed. [2019-09-16 16:35:28,803 INFO L443 ceAbstractionStarter]: For program point L194(lines 193 242) no Hoare annotation was computed. [2019-09-16 16:35:28,803 INFO L443 ceAbstractionStarter]: For program point L802-1(lines 802 822) no Hoare annotation was computed. [2019-09-16 16:35:28,803 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 788 833) no Hoare annotation was computed. [2019-09-16 16:35:28,803 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 788 833) no Hoare annotation was computed. [2019-09-16 16:35:28,803 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 788 833) no Hoare annotation was computed. [2019-09-16 16:35:28,803 INFO L443 ceAbstractionStarter]: For program point L808(lines 808 815) no Hoare annotation was computed. [2019-09-16 16:35:28,804 INFO L443 ceAbstractionStarter]: For program point L802(lines 802 822) no Hoare annotation was computed. [2019-09-16 16:35:28,804 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 343 350) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0))) [2019-09-16 16:35:28,804 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 343 350) no Hoare annotation was computed. [2019-09-16 16:35:28,804 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 343 350) no Hoare annotation was computed. [2019-09-16 16:35:28,804 INFO L439 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2019-09-16 16:35:28,804 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 504) no Hoare annotation was computed. [2019-09-16 16:35:28,804 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 507) no Hoare annotation was computed. [2019-09-16 16:35:28,804 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 485 513) the Hoare annotation is: true [2019-09-16 16:35:28,805 INFO L439 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-09-16 16:35:28,805 INFO L443 ceAbstractionStarter]: For program point L495-1(line 495) no Hoare annotation was computed. [2019-09-16 16:35:28,805 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 510) no Hoare annotation was computed. [2019-09-16 16:35:28,805 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 485 513) no Hoare annotation was computed. [2019-09-16 16:35:28,805 INFO L446 ceAbstractionStarter]: At program point L491(line 491) the Hoare annotation is: true [2019-09-16 16:35:28,805 INFO L443 ceAbstractionStarter]: For program point L491-1(line 491) no Hoare annotation was computed. [2019-09-16 16:35:28,805 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 485 513) no Hoare annotation was computed. [2019-09-16 16:35:28,805 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-09-16 16:35:28,806 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-09-16 16:35:28,806 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-09-16 16:35:28,806 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-09-16 16:35:28,806 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-09-16 16:35:28,806 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 477 484) the Hoare annotation is: true [2019-09-16 16:35:28,806 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 477 484) no Hoare annotation was computed. [2019-09-16 16:35:28,806 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 477 484) no Hoare annotation was computed. [2019-09-16 16:35:28,806 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2019-09-16 16:35:28,807 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 145 154) no Hoare annotation was computed. [2019-09-16 16:35:28,807 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2019-09-16 16:35:28,807 INFO L443 ceAbstractionStarter]: For program point L735(lines 734 754) no Hoare annotation was computed. [2019-09-16 16:35:28,808 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 685 787) no Hoare annotation was computed. [2019-09-16 16:35:28,808 INFO L443 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2019-09-16 16:35:28,808 INFO L443 ceAbstractionStarter]: For program point L766-1(line 766) no Hoare annotation was computed. [2019-09-16 16:35:28,808 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 772) no Hoare annotation was computed. [2019-09-16 16:35:28,808 INFO L443 ceAbstractionStarter]: For program point L750(line 750) no Hoare annotation was computed. [2019-09-16 16:35:28,808 INFO L443 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2019-09-16 16:35:28,808 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 685 787) no Hoare annotation was computed. [2019-09-16 16:35:28,808 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 713) no Hoare annotation was computed. [2019-09-16 16:35:28,809 INFO L443 ceAbstractionStarter]: For program point L773(lines 773 784) no Hoare annotation was computed. [2019-09-16 16:35:28,809 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 740) no Hoare annotation was computed. [2019-09-16 16:35:28,809 INFO L443 ceAbstractionStarter]: For program point L734-2(lines 734 754) no Hoare annotation was computed. [2019-09-16 16:35:28,809 INFO L443 ceAbstractionStarter]: For program point L755(lines 733 756) no Hoare annotation was computed. [2019-09-16 16:35:28,809 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 685 787) no Hoare annotation was computed. [2019-09-16 16:35:28,809 INFO L443 ceAbstractionStarter]: For program point L714(lines 714 730) no Hoare annotation was computed. [2019-09-16 16:35:28,809 INFO L443 ceAbstractionStarter]: For program point L774(lines 774 781) no Hoare annotation was computed. [2019-09-16 16:35:28,809 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:35:28,810 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-16 16:35:28,810 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:35:28,810 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 351 367) no Hoare annotation was computed. [2019-09-16 16:35:28,810 INFO L439 ceAbstractionStarter]: At program point L362(line 362) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))))) [2019-09-16 16:35:28,810 INFO L443 ceAbstractionStarter]: For program point L362-1(lines 351 367) no Hoare annotation was computed. [2019-09-16 16:35:28,811 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 351 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2019-09-16 16:35:28,812 INFO L443 ceAbstractionStarter]: For program point L358(lines 358 364) no Hoare annotation was computed. [2019-09-16 16:35:28,812 INFO L439 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2019-09-16 16:35:28,812 INFO L443 ceAbstractionStarter]: For program point L356-1(line 356) no Hoare annotation was computed. [2019-09-16 16:35:28,812 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2019-09-16 16:35:28,813 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-09-16 16:35:28,813 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-09-16 16:35:28,813 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 432 450) no Hoare annotation was computed. [2019-09-16 16:35:28,813 INFO L443 ceAbstractionStarter]: For program point L441(lines 441 445) no Hoare annotation was computed. [2019-09-16 16:35:28,813 INFO L446 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: true [2019-09-16 16:35:28,814 INFO L443 ceAbstractionStarter]: For program point L441-2(lines 441 445) no Hoare annotation was computed. [2019-09-16 16:35:28,814 INFO L443 ceAbstractionStarter]: For program point L439-1(line 439) no Hoare annotation was computed. [2019-09-16 16:35:28,814 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 432 450) the Hoare annotation is: true [2019-09-16 16:35:28,815 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 432 450) no Hoare annotation was computed. [2019-09-16 16:35:28,815 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-09-16 16:35:28,815 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (= 1 ~methaneLevelCritical~0) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0)) (or .cse0 .cse1 .cse2) (or .cse1 (= ~systemActive~0 0) .cse2))) [2019-09-16 16:35:28,815 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-09-16 16:35:28,815 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:35:28,815 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-16 16:35:28,815 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:35:28,816 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-09-16 16:35:28,817 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-09-16 16:35:28,817 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-09-16 16:35:28,817 INFO L439 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~systemActive~0 0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse2 .cse1 .cse5) (or .cse0 .cse4 .cse3))) [2019-09-16 16:35:28,817 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 260 283) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= ~systemActive~0 0)) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6)) (.cse1 (and .cse6 (= ~pumpRunning~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse5 .cse4 .cse3) (or .cse1 (or .cse5 .cse0))))) [2019-09-16 16:35:28,818 INFO L439 ceAbstractionStarter]: At program point L271(lines 271 277) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= ~systemActive~0 0)) (.cse2 (and .cse1 .cse5)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (and .cse1 (not (= 0 ~systemActive~0))) .cse2 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0) .cse4 .cse3 .cse5) (or .cse6 .cse4 .cse5) (or .cse2 (or .cse6 .cse0))))) [2019-09-16 16:35:28,818 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 260 283) no Hoare annotation was computed. [2019-09-16 16:35:28,818 INFO L439 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= ~systemActive~0 0)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3 .cse2) (or .cse1 .cse4))) [2019-09-16 16:35:28,818 INFO L443 ceAbstractionStarter]: For program point L264(lines 263 282) no Hoare annotation was computed. [2019-09-16 16:35:28,818 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 260 283) no Hoare annotation was computed. [2019-09-16 16:35:28,818 INFO L446 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: true [2019-09-16 16:35:28,819 INFO L443 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2019-09-16 16:35:28,819 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 891 920) no Hoare annotation was computed. [2019-09-16 16:35:28,819 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 891 920) the Hoare annotation is: true [2019-09-16 16:35:28,819 INFO L446 ceAbstractionStarter]: At program point L916(lines 891 920) the Hoare annotation is: true [2019-09-16 16:35:28,819 INFO L443 ceAbstractionStarter]: For program point L912(line 912) no Hoare annotation was computed. [2019-09-16 16:35:28,819 INFO L443 ceAbstractionStarter]: For program point L905(lines 905 909) no Hoare annotation was computed. [2019-09-16 16:35:28,819 INFO L446 ceAbstractionStarter]: At program point L905-1(lines 905 909) the Hoare annotation is: true [2019-09-16 16:35:28,819 INFO L443 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2019-09-16 16:35:28,820 INFO L446 ceAbstractionStarter]: At program point L901-2(lines 901 915) the Hoare annotation is: true [2019-09-16 16:35:28,820 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2019-09-16 16:35:28,820 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-09-16 16:35:28,820 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-09-16 16:35:28,820 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 945 951) no Hoare annotation was computed. [2019-09-16 16:35:28,820 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 945 951) the Hoare annotation is: true [2019-09-16 16:35:28,820 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:35:28,820 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-16 16:35:28,821 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:35:28,821 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:35:28,821 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 466 473) no Hoare annotation was computed. [2019-09-16 16:35:28,821 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 466 473) the Hoare annotation is: true [2019-09-16 16:35:28,821 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 466 473) no Hoare annotation was computed. [2019-09-16 16:35:28,821 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-09-16 16:35:28,821 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-09-16 16:35:28,821 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (= ~systemActive~0 0) .cse2) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0))) [2019-09-16 16:35:28,822 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 881 888) no Hoare annotation was computed. [2019-09-16 16:35:28,822 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2019-09-16 16:35:28,822 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 881 888) the Hoare annotation is: true [2019-09-16 16:35:28,822 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 881 888) no Hoare annotation was computed. [2019-09-16 16:35:28,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:35:28 BoogieIcfgContainer [2019-09-16 16:35:28,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:35:28,854 INFO L168 Benchmark]: Toolchain (without parser) took 20384.33 ms. Allocated memory was 131.1 MB in the beginning and 587.7 MB in the end (delta: 456.7 MB). Free memory was 85.8 MB in the beginning and 337.1 MB in the end (delta: -251.4 MB). Peak memory consumption was 478.4 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:28,855 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:35:28,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.34 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.6 MB in the beginning and 162.4 MB in the end (delta: -76.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:28,857 INFO L168 Benchmark]: Boogie Preprocessor took 98.81 ms. Allocated memory is still 198.7 MB. Free memory was 162.4 MB in the beginning and 158.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:28,858 INFO L168 Benchmark]: RCFGBuilder took 1326.18 ms. Allocated memory was 198.7 MB in the beginning and 218.6 MB in the end (delta: 19.9 MB). Free memory was 158.5 MB in the beginning and 189.3 MB in the end (delta: -30.9 MB). Peak memory consumption was 93.6 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:28,859 INFO L168 Benchmark]: TraceAbstraction took 18201.06 ms. Allocated memory was 218.6 MB in the beginning and 587.7 MB in the end (delta: 369.1 MB). Free memory was 189.3 MB in the beginning and 337.1 MB in the end (delta: -147.8 MB). Peak memory consumption was 494.4 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:28,862 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.34 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.6 MB in the beginning and 162.4 MB in the end (delta: -76.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.81 ms. Allocated memory is still 198.7 MB. Free memory was 162.4 MB in the beginning and 158.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1326.18 ms. Allocated memory was 198.7 MB in the beginning and 218.6 MB in the end (delta: 19.9 MB). Free memory was 158.5 MB in the beginning and 189.3 MB in the end (delta: -30.9 MB). Peak memory consumption was 93.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18201.06 ms. Allocated memory was 218.6 MB in the beginning and 587.7 MB in the end (delta: 369.1 MB). Free memory was 189.3 MB in the beginning and 337.1 MB in the end (delta: -147.8 MB). Peak memory consumption was 494.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 885]: 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: 193]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && pumpRunning == 0) && 1 == methaneLevelCritical)) || !(\old(systemActive) == 1)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 247 locations, 1 error locations. SAFE Result, 18.1s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 6.4s AutomataDifference, 0.0s DeadEndRemovalTime, 6.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2281 SDtfs, 1621 SDslu, 8254 SDs, 0 SdLazy, 3890 SolverSat, 393 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 572 GetRequests, 462 SyntacticMatches, 2 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2239occurred in iteration=10, 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: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 523 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 5395 PreInvPairs, 5767 NumberOfFragments, 1679 HoareAnnotationTreeSize, 5395 FomulaSimplifications, 12983 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 28189 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1464 NumberOfCodeBlocks, 1464 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1450 ConstructedInterpolants, 0 QuantifiedInterpolants, 266303 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2719 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 211/219 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...