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_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:07:30,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:07:30,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:07:30,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:07:30,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:07:30,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:07:30,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:07:30,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:07:30,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:07:30,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:07:30,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:07:30,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:07:30,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:07:30,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:07:30,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:07:30,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:07:30,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:07:30,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:07:30,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:07:30,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:07:30,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:07:30,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:07:30,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:07:30,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:07:30,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:07:30,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:07:30,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:07:30,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:07:30,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:07:30,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:07:30,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:07:30,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:07:30,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:07:30,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:07:30,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:07:30,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:07:30,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:07:30,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:07:30,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:07:30,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:07:30,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:07:30,433 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 [2019-09-08 06:07:30,448 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:07:30,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:07:30,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:07:30,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:07:30,450 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:07:30,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:07:30,450 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:07:30,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:07:30,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:07:30,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:07:30,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:07:30,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:07:30,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:07:30,452 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:07:30,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:07:30,452 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:07:30,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:07:30,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:07:30,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:07:30,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:07:30,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:07:30,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:07:30,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:07:30,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:07:30,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:07:30,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:07:30,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:07:30,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:07:30,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:07:30,496 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:07:30,513 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:07:30,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:07:30,519 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:07:30,519 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:07:30,520 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product33.cil.c [2019-09-08 06:07:30,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddb63726a/77a7960afc70444792bb42822a992e01/FLAGe70d948e9 [2019-09-08 06:07:31,205 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:07:31,210 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product33.cil.c [2019-09-08 06:07:31,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddb63726a/77a7960afc70444792bb42822a992e01/FLAGe70d948e9 [2019-09-08 06:07:31,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddb63726a/77a7960afc70444792bb42822a992e01 [2019-09-08 06:07:31,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:07:31,487 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:07:31,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:07:31,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:07:31,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:07:31,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:07:31" (1/1) ... [2019-09-08 06:07:31,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17537a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:31, skipping insertion in model container [2019-09-08 06:07:31,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:07:31" (1/1) ... [2019-09-08 06:07:31,505 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:07:31,571 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:07:31,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:07:32,023 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:07:32,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:07:32,251 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:07:32,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32 WrapperNode [2019-09-08 06:07:32,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:07:32,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:07:32,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:07:32,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:07:32,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (1/1) ... [2019-09-08 06:07:32,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (1/1) ... [2019-09-08 06:07:32,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (1/1) ... [2019-09-08 06:07:32,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (1/1) ... [2019-09-08 06:07:32,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (1/1) ... [2019-09-08 06:07:32,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (1/1) ... [2019-09-08 06:07:32,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (1/1) ... [2019-09-08 06:07:32,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:07:32,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:07:32,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:07:32,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:07:32,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (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 [2019-09-08 06:07:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:07:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:07:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:07:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:07:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:07:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:07:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:07:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:07:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:07:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:07:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:07:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:07:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:07:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-08 06:07:32,455 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:07:32,456 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:07:32,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:07:32,458 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:07:32,458 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:07:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:07:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:07:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:07:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:07:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:07:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:07:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:07:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:07:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:07:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-08 06:07:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:07:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:07:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:07:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:07:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:07:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:07:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:07:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-08 06:07:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-08 06:07:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:07:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:07:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:07:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:07:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:07:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:07:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:07:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:07:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:07:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:07:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:07:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:07:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:07:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-08 06:07:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:07:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:07:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:07:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:07:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:07:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:07:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-08 06:07:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:07:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:07:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:07:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:07:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:07:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:07:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:07:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-08 06:07:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:07:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:07:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-08 06:07:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:07:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:07:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:07:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:07:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:07:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:07:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:07:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:07:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:07:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:07:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:07:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:07:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:07:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:07:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:07:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:07:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:07:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:07:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:07:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:07:33,534 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:07:33,535 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:07:33,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:07:33 BoogieIcfgContainer [2019-09-08 06:07:33,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:07:33,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:07:33,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:07:33,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:07:33,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:07:31" (1/3) ... [2019-09-08 06:07:33,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99466db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:07:33, skipping insertion in model container [2019-09-08 06:07:33,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (2/3) ... [2019-09-08 06:07:33,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99466db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:07:33, skipping insertion in model container [2019-09-08 06:07:33,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:07:33" (3/3) ... [2019-09-08 06:07:33,546 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product33.cil.c [2019-09-08 06:07:33,556 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:07:33,566 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:07:33,583 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:07:33,621 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:07:33,622 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:07:33,622 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:07:33,622 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:07:33,622 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:07:33,623 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:07:33,623 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:07:33,623 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:07:33,623 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:07:33,645 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2019-09-08 06:07:33,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-08 06:07:33,655 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:33,656 INFO L399 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] [2019-09-08 06:07:33,658 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:33,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:33,664 INFO L82 PathProgramCache]: Analyzing trace with hash -884456721, now seen corresponding path program 1 times [2019-09-08 06:07:33,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:33,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:33,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:33,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:33,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:34,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:07:34,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:34,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:07:34,026 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:07:34,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:07:34,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:07:34,044 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2019-09-08 06:07:34,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:34,108 INFO L93 Difference]: Finished difference Result 216 states and 271 transitions. [2019-09-08 06:07:34,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:07:34,109 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-08 06:07:34,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:34,122 INFO L225 Difference]: With dead ends: 216 [2019-09-08 06:07:34,122 INFO L226 Difference]: Without dead ends: 110 [2019-09-08 06:07:34,127 INFO L628 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 [2019-09-08 06:07:34,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-09-08 06:07:34,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-09-08 06:07:34,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-09-08 06:07:34,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2019-09-08 06:07:34,179 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 51 [2019-09-08 06:07:34,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:34,180 INFO L475 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2019-09-08 06:07:34,180 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:07:34,180 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2019-09-08 06:07:34,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 06:07:34,184 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:34,184 INFO L399 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] [2019-09-08 06:07:34,184 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:34,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:34,185 INFO L82 PathProgramCache]: Analyzing trace with hash -101366549, now seen corresponding path program 1 times [2019-09-08 06:07:34,185 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:34,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:34,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:34,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:34,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:34,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:07:34,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:34,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:07:34,332 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:07:34,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:07:34,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:07:34,333 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2019-09-08 06:07:34,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:34,377 INFO L93 Difference]: Finished difference Result 165 states and 193 transitions. [2019-09-08 06:07:34,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:07:34,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-08 06:07:34,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:34,380 INFO L225 Difference]: With dead ends: 165 [2019-09-08 06:07:34,381 INFO L226 Difference]: Without dead ends: 101 [2019-09-08 06:07:34,382 INFO L628 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 [2019-09-08 06:07:34,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-09-08 06:07:34,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-09-08 06:07:34,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-09-08 06:07:34,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2019-09-08 06:07:34,395 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 52 [2019-09-08 06:07:34,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:34,396 INFO L475 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2019-09-08 06:07:34,396 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:07:34,396 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2019-09-08 06:07:34,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-08 06:07:34,398 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:34,398 INFO L399 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] [2019-09-08 06:07:34,399 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:34,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:34,399 INFO L82 PathProgramCache]: Analyzing trace with hash -388267202, now seen corresponding path program 1 times [2019-09-08 06:07:34,399 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:34,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:34,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:34,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:34,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:34,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:07:34,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:34,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:07:34,524 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:07:34,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:07:34,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:07:34,525 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 7 states. [2019-09-08 06:07:34,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:34,816 INFO L93 Difference]: Finished difference Result 174 states and 207 transitions. [2019-09-08 06:07:34,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:07:34,817 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-09-08 06:07:34,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:34,819 INFO L225 Difference]: With dead ends: 174 [2019-09-08 06:07:34,822 INFO L226 Difference]: Without dead ends: 101 [2019-09-08 06:07:34,824 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:07:34,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-09-08 06:07:34,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-09-08 06:07:34,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-09-08 06:07:34,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions. [2019-09-08 06:07:34,847 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 116 transitions. Word has length 56 [2019-09-08 06:07:34,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:34,849 INFO L475 AbstractCegarLoop]: Abstraction has 101 states and 116 transitions. [2019-09-08 06:07:34,849 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:07:34,849 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2019-09-08 06:07:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-08 06:07:34,854 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:34,854 INFO L399 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] [2019-09-08 06:07:34,855 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:34,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:34,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1251165603, now seen corresponding path program 1 times [2019-09-08 06:07:34,859 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:34,859 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:34,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:34,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:34,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:35,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:07:35,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:35,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 06:07:35,034 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 06:07:35,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 06:07:35,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 06:07:35,035 INFO L87 Difference]: Start difference. First operand 101 states and 116 transitions. Second operand 5 states. [2019-09-08 06:07:35,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:35,467 INFO L93 Difference]: Finished difference Result 259 states and 315 transitions. [2019-09-08 06:07:35,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:07:35,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-09-08 06:07:35,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:35,470 INFO L225 Difference]: With dead ends: 259 [2019-09-08 06:07:35,470 INFO L226 Difference]: Without dead ends: 186 [2019-09-08 06:07:35,471 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:07:35,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2019-09-08 06:07:35,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 168. [2019-09-08 06:07:35,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-09-08 06:07:35,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 195 transitions. [2019-09-08 06:07:35,495 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 195 transitions. Word has length 64 [2019-09-08 06:07:35,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:35,496 INFO L475 AbstractCegarLoop]: Abstraction has 168 states and 195 transitions. [2019-09-08 06:07:35,496 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 06:07:35,496 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 195 transitions. [2019-09-08 06:07:35,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 06:07:35,498 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:35,498 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:07:35,499 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:35,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:35,500 INFO L82 PathProgramCache]: Analyzing trace with hash 155242328, now seen corresponding path program 1 times [2019-09-08 06:07:35,500 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:35,500 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:35,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:35,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:35,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:07:35,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:35,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:07:35,634 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:07:35,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:07:35,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:07:35,635 INFO L87 Difference]: Start difference. First operand 168 states and 195 transitions. Second operand 6 states. [2019-09-08 06:07:35,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:35,823 INFO L93 Difference]: Finished difference Result 430 states and 518 transitions. [2019-09-08 06:07:35,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:07:35,824 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-09-08 06:07:35,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:35,828 INFO L225 Difference]: With dead ends: 430 [2019-09-08 06:07:35,828 INFO L226 Difference]: Without dead ends: 290 [2019-09-08 06:07:35,829 INFO L628 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 [2019-09-08 06:07:35,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2019-09-08 06:07:35,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 284. [2019-09-08 06:07:35,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2019-09-08 06:07:35,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 330 transitions. [2019-09-08 06:07:35,888 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 330 transitions. Word has length 78 [2019-09-08 06:07:35,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:35,889 INFO L475 AbstractCegarLoop]: Abstraction has 284 states and 330 transitions. [2019-09-08 06:07:35,889 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:07:35,889 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 330 transitions. [2019-09-08 06:07:35,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-08 06:07:35,894 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:35,894 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:07:35,894 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:35,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:35,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1734675892, now seen corresponding path program 1 times [2019-09-08 06:07:35,896 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:35,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:35,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:35,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:35,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:36,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:07:36,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:36,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:07:36,041 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:07:36,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:07:36,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:07:36,042 INFO L87 Difference]: Start difference. First operand 284 states and 330 transitions. Second operand 7 states. [2019-09-08 06:07:36,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:36,584 INFO L93 Difference]: Finished difference Result 569 states and 681 transitions. [2019-09-08 06:07:36,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 06:07:36,585 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2019-09-08 06:07:36,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:36,590 INFO L225 Difference]: With dead ends: 569 [2019-09-08 06:07:36,590 INFO L226 Difference]: Without dead ends: 313 [2019-09-08 06:07:36,594 INFO L628 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 [2019-09-08 06:07:36,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-09-08 06:07:36,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 283. [2019-09-08 06:07:36,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2019-09-08 06:07:36,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 327 transitions. [2019-09-08 06:07:36,639 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 327 transitions. Word has length 82 [2019-09-08 06:07:36,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:36,642 INFO L475 AbstractCegarLoop]: Abstraction has 283 states and 327 transitions. [2019-09-08 06:07:36,642 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:07:36,642 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 327 transitions. [2019-09-08 06:07:36,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-08 06:07:36,645 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:36,645 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:07:36,645 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:36,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:36,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1892436078, now seen corresponding path program 1 times [2019-09-08 06:07:36,646 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:36,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:36,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:36,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:36,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:36,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:07:36,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:36,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:07:36,781 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:07:36,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:07:36,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:07:36,782 INFO L87 Difference]: Start difference. First operand 283 states and 327 transitions. Second operand 6 states. [2019-09-08 06:07:36,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:36,826 INFO L93 Difference]: Finished difference Result 548 states and 644 transitions. [2019-09-08 06:07:36,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:07:36,826 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-09-08 06:07:36,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:36,829 INFO L225 Difference]: With dead ends: 548 [2019-09-08 06:07:36,829 INFO L226 Difference]: Without dead ends: 293 [2019-09-08 06:07:36,831 INFO L628 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 [2019-09-08 06:07:36,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2019-09-08 06:07:36,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2019-09-08 06:07:36,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2019-09-08 06:07:36,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 337 transitions. [2019-09-08 06:07:36,858 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 337 transitions. Word has length 83 [2019-09-08 06:07:36,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:36,859 INFO L475 AbstractCegarLoop]: Abstraction has 293 states and 337 transitions. [2019-09-08 06:07:36,859 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:07:36,859 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 337 transitions. [2019-09-08 06:07:36,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-08 06:07:36,860 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:36,861 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:07:36,861 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:36,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:36,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1016327824, now seen corresponding path program 1 times [2019-09-08 06:07:36,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:36,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:36,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:36,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:36,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:36,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:07:36,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:36,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 06:07:36,972 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 06:07:36,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 06:07:36,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 06:07:36,973 INFO L87 Difference]: Start difference. First operand 293 states and 337 transitions. Second operand 8 states. [2019-09-08 06:07:37,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:37,014 INFO L93 Difference]: Finished difference Result 572 states and 676 transitions. [2019-09-08 06:07:37,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:07:37,014 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2019-09-08 06:07:37,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:37,018 INFO L225 Difference]: With dead ends: 572 [2019-09-08 06:07:37,018 INFO L226 Difference]: Without dead ends: 307 [2019-09-08 06:07:37,019 INFO L628 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 [2019-09-08 06:07:37,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2019-09-08 06:07:37,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 301. [2019-09-08 06:07:37,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2019-09-08 06:07:37,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 345 transitions. [2019-09-08 06:07:37,044 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 345 transitions. Word has length 83 [2019-09-08 06:07:37,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:37,047 INFO L475 AbstractCegarLoop]: Abstraction has 301 states and 345 transitions. [2019-09-08 06:07:37,048 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 06:07:37,048 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 345 transitions. [2019-09-08 06:07:37,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-08 06:07:37,052 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:37,053 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:07:37,053 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:37,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:37,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1094962545, now seen corresponding path program 1 times [2019-09-08 06:07:37,053 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:37,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:37,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:37,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:37,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:07:37,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:37,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 06:07:37,149 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 06:07:37,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 06:07:37,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 06:07:37,150 INFO L87 Difference]: Start difference. First operand 301 states and 345 transitions. Second operand 4 states. [2019-09-08 06:07:37,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:37,371 INFO L93 Difference]: Finished difference Result 896 states and 1086 transitions. [2019-09-08 06:07:37,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 06:07:37,371 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 83 [2019-09-08 06:07:37,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:37,377 INFO L225 Difference]: With dead ends: 896 [2019-09-08 06:07:37,377 INFO L226 Difference]: Without dead ends: 623 [2019-09-08 06:07:37,379 INFO L628 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 [2019-09-08 06:07:37,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2019-09-08 06:07:37,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 415. [2019-09-08 06:07:37,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2019-09-08 06:07:37,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 472 transitions. [2019-09-08 06:07:37,422 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 472 transitions. Word has length 83 [2019-09-08 06:07:37,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:37,423 INFO L475 AbstractCegarLoop]: Abstraction has 415 states and 472 transitions. [2019-09-08 06:07:37,423 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 06:07:37,423 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 472 transitions. [2019-09-08 06:07:37,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-09-08 06:07:37,425 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:37,425 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:07:37,425 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:37,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:37,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1057623401, now seen corresponding path program 1 times [2019-09-08 06:07:37,426 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:37,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:37,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:37,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:37,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:37,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:07:37,500 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:37,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:07:37,500 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:07:37,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:07:37,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:07:37,501 INFO L87 Difference]: Start difference. First operand 415 states and 472 transitions. Second operand 3 states. [2019-09-08 06:07:37,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:37,549 INFO L93 Difference]: Finished difference Result 622 states and 720 transitions. [2019-09-08 06:07:37,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:07:37,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2019-09-08 06:07:37,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:37,554 INFO L225 Difference]: With dead ends: 622 [2019-09-08 06:07:37,554 INFO L226 Difference]: Without dead ends: 619 [2019-09-08 06:07:37,555 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:07:37,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2019-09-08 06:07:37,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 525. [2019-09-08 06:07:37,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2019-09-08 06:07:37,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 607 transitions. [2019-09-08 06:07:37,590 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 607 transitions. Word has length 87 [2019-09-08 06:07:37,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:37,591 INFO L475 AbstractCegarLoop]: Abstraction has 525 states and 607 transitions. [2019-09-08 06:07:37,591 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:07:37,591 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 607 transitions. [2019-09-08 06:07:37,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-09-08 06:07:37,594 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:37,595 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 06:07:37,595 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:37,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:37,595 INFO L82 PathProgramCache]: Analyzing trace with hash -2007066912, now seen corresponding path program 1 times [2019-09-08 06:07:37,595 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:37,596 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:37,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:37,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:37,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:07:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:07:38,677 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:07:38,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:07:38 BoogieIcfgContainer [2019-09-08 06:07:38,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:07:38,898 INFO L168 Benchmark]: Toolchain (without parser) took 7410.02 ms. Allocated memory was 133.7 MB in the beginning and 319.8 MB in the end (delta: 186.1 MB). Free memory was 88.8 MB in the beginning and 217.0 MB in the end (delta: -128.2 MB). Peak memory consumption was 198.4 MB. Max. memory is 7.1 GB. [2019-09-08 06:07:38,899 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 108.3 MB in the beginning and 108.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-08 06:07:38,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.68 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 88.6 MB in the beginning and 163.5 MB in the end (delta: -74.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-08 06:07:38,901 INFO L168 Benchmark]: Boogie Preprocessor took 132.88 ms. Allocated memory is still 200.3 MB. Free memory was 163.5 MB in the beginning and 159.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-08 06:07:38,902 INFO L168 Benchmark]: RCFGBuilder took 1150.06 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 159.1 MB in the beginning and 194.0 MB in the end (delta: -34.8 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2019-09-08 06:07:38,903 INFO L168 Benchmark]: TraceAbstraction took 5356.77 ms. Allocated memory was 226.0 MB in the beginning and 319.8 MB in the end (delta: 93.8 MB). Free memory was 194.0 MB in the beginning and 217.0 MB in the end (delta: -23.1 MB). Peak memory consumption was 211.2 MB. Max. memory is 7.1 GB. [2019-09-08 06:07:38,907 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 108.3 MB in the beginning and 108.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 764.68 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 88.6 MB in the beginning and 163.5 MB in the end (delta: -74.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.88 ms. Allocated memory is still 200.3 MB. Free memory was 163.5 MB in the beginning and 159.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1150.06 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 159.1 MB in the beginning and 194.0 MB in the end (delta: -34.8 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5356.77 ms. Allocated memory was 226.0 MB in the beginning and 319.8 MB in the end (delta: 93.8 MB). Free memory was 194.0 MB in the beginning and 217.0 MB in the end (delta: -23.1 MB). Peak memory consumption was 211.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 284]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L85] int waterLevel = 1; [L86] int methaneLevelCritical = 0; [L179] int cleanupTimeShifts = 4; [L292] int pumpRunning = 0; [L293] int systemActive = 1; [L679] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L876] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=175, \old(head)=166, \old(head)=177, \old(methAndRunningLastTime)=173, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L257] int retValue_acc ; [L258] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L262] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L263] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L264] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L264] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L264] tmp = valid_product() [L266] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L268] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L269] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L250] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L881] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L250] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L251] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L446] int splverifierCounter ; [L447] int tmp ; [L448] int tmp___0 ; [L449] int tmp___1 ; [L450] int tmp___2 ; [L453] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L455] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L457] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L463] tmp = __VERIFIER_nondet_int() [L465] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L467] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L103] COND TRUE waterLevel < 2 [L104] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L467] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L473] tmp___0 = __VERIFIER_nondet_int() [L475] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L477] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L115] COND FALSE !(\read(methaneLevelCritical)) [L118] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L477] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L483] tmp___2 = __VERIFIER_nondet_int() [L485] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=10, waterLevel=2] [L498] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L300] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L307] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L309] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L329] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L332] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L334] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L426] int retValue_acc ; [L427] int tmp ; [L428] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L432] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L165] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L168] COND FALSE !(waterLevel < 2) [L172] retValue_acc = 0 [L173] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L432] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L432] tmp = isHighWaterSensorDry() [L434] COND FALSE !(\read(tmp)) [L437] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L439] retValue_acc = tmp___0 [L440] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L334] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L334] tmp = isHighWaterLevel() [L336] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L338] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L357] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L338] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L309] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L315] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L886] int tmp ; [L887] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L891] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L891] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L891] tmp = isMethaneLevelCritical() [L893] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L895] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L895] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L895] tmp___0 = isPumpRunning() [L897] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L898] COND FALSE !(\read(methAndRunningLastTime)) [L903] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L315] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L498] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=10, waterLevel=2] [L455] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=10, waterLevel=2] [L457] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=10, waterLevel=2] [L463] tmp = __VERIFIER_nondet_int() [L465] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=10, waterLevel=2] [L473] tmp___0 = __VERIFIER_nondet_int() [L475] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=10, waterLevel=2] [L483] tmp___2 = __VERIFIER_nondet_int() [L485] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=8, waterLevel=2] [L498] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L300] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L302] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L91] COND TRUE waterLevel > 0 [L92] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L302] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L307] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L309] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L329] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L332] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L347] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L309] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L315] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L886] int tmp ; [L887] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L891] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L891] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L891] tmp = isMethaneLevelCritical() [L893] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L895] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L895] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L895] tmp___0 = isPumpRunning() [L897] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L898] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L900] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L284] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 220 locations, 1 error locations. UNSAFE Result, 5.2s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1266 SDtfs, 737 SDslu, 2422 SDs, 0 SdLazy, 829 SolverSat, 190 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=525occurred 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 362 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 848 NumberOfCodeBlocks, 848 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 709 ConstructedInterpolants, 0 QuantifiedInterpolants, 86830 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...