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_spec4_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:38:12,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:38:12,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:38:12,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:38:12,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:38:12,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:38:12,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:38:12,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:38:12,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:38:12,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:38:12,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:38:12,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:38:12,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:38:12,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:38:12,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:38:12,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:38:12,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:38:12,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:38:12,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:38:12,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:38:12,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:38:12,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:38:12,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:38:12,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:38:12,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:38:12,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:38:12,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:38:12,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:38:12,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:38:12,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:38:12,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:38:12,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:38:12,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:38:12,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:38:12,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:38:12,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:38:12,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:38:12,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:38:12,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:38:12,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:38:12,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:38:12,527 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 [2019-10-14 23:38:12,547 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:38:12,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:38:12,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:38:12,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:38:12,550 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:38:12,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:38:12,551 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:38:12,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:38:12,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:38:12,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:38:12,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:38:12,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:38:12,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:38:12,553 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:38:12,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:38:12,554 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:38:12,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:38:12,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:38:12,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:38:12,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:38:12,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:38:12,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:38:12,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:38:12,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:38:12,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:38:12,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:38:12,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:38:12,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:38:12,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:38:12,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:38:12,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:38:12,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:38:12,879 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:38:12,879 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:38:12,880 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-10-14 23:38:12,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c4d4999e/fc3661fabfec486faa85cc96c83f1317/FLAG5fea8a9be [2019-10-14 23:38:13,486 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:38:13,486 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-10-14 23:38:13,501 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c4d4999e/fc3661fabfec486faa85cc96c83f1317/FLAG5fea8a9be [2019-10-14 23:38:13,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c4d4999e/fc3661fabfec486faa85cc96c83f1317 [2019-10-14 23:38:13,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:38:13,777 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:38:13,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:38:13,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:38:13,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:38:13,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:38:13" (1/1) ... [2019-10-14 23:38:13,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d82875c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:13, skipping insertion in model container [2019-10-14 23:38:13,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:38:13" (1/1) ... [2019-10-14 23:38:13,795 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:38:13,864 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:38:14,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:38:14,342 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:38:14,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:38:14,482 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:38:14,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14 WrapperNode [2019-10-14 23:38:14,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:38:14,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:38:14,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:38:14,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:38:14,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (1/1) ... [2019-10-14 23:38:14,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (1/1) ... [2019-10-14 23:38:14,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (1/1) ... [2019-10-14 23:38:14,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (1/1) ... [2019-10-14 23:38:14,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (1/1) ... [2019-10-14 23:38:14,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (1/1) ... [2019-10-14 23:38:14,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (1/1) ... [2019-10-14 23:38:14,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:38:14,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:38:14,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:38:14,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:38:14,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (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 [2019-10-14 23:38:14,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:38:14,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:38:14,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:38:14,653 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:38:14,653 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:38:14,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:38:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:38:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:38:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:38:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:38:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:38:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:38:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:38:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:38:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:38:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:38:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 23:38:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-14 23:38:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 23:38:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 23:38:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 23:38:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 23:38:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 23:38:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 23:38:14,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-14 23:38:14,657 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-14 23:38:14,657 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-14 23:38:14,657 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 23:38:14,657 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 23:38:14,657 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 23:38:14,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 23:38:14,658 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 23:38:14,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 23:38:14,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-14 23:38:14,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:38:14,658 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:38:14,659 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:38:14,659 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:38:14,659 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:38:14,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:38:14,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:38:14,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:38:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:38:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:38:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:38:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 23:38:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 23:38:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 23:38:14,661 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:38:14,661 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:38:14,661 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:38:14,661 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:38:14,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:38:14,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:38:14,661 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:38:14,662 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:38:14,662 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:38:14,662 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:38:14,662 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:38:14,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:38:14,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:38:14,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:38:14,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:38:14,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:38:14,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:38:14,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:38:14,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:38:14,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:38:14,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:38:14,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:38:14,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:38:14,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:38:14,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:38:14,664 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-14 23:38:14,665 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-14 23:38:14,665 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 23:38:14,665 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 23:38:14,665 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 23:38:14,665 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-14 23:38:14,665 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 23:38:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 23:38:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 23:38:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:38:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 23:38:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 23:38:14,667 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-14 23:38:14,667 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-14 23:38:14,667 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 23:38:14,667 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 23:38:14,667 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:38:14,667 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:38:14,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:38:14,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:38:14,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:38:15,761 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:38:15,761 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 23:38:15,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:38:15 BoogieIcfgContainer [2019-10-14 23:38:15,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:38:15,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:38:15,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:38:15,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:38:15,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:38:13" (1/3) ... [2019-10-14 23:38:15,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619ec9de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:38:15, skipping insertion in model container [2019-10-14 23:38:15,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:14" (2/3) ... [2019-10-14 23:38:15,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619ec9de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:38:15, skipping insertion in model container [2019-10-14 23:38:15,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:38:15" (3/3) ... [2019-10-14 23:38:15,771 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2019-10-14 23:38:15,781 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:38:15,790 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:38:15,802 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:38:15,831 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:38:15,831 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:38:15,831 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:38:15,832 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:38:15,832 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:38:15,832 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:38:15,832 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:38:15,832 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:38:15,864 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-10-14 23:38:15,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-14 23:38:15,874 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:15,875 INFO L380 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] [2019-10-14 23:38:15,877 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:15,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:15,882 INFO L82 PathProgramCache]: Analyzing trace with hash -62573292, now seen corresponding path program 1 times [2019-10-14 23:38:15,890 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:15,891 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938671905] [2019-10-14 23:38:15,891 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:15,891 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:15,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:16,556 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:16,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:16,623 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938671905] [2019-10-14 23:38:16,624 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:16,624 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-14 23:38:16,624 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711321933] [2019-10-14 23:38:16,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 23:38:16,631 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:16,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 23:38:16,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:38:16,649 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 3 states. [2019-10-14 23:38:17,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:17,831 INFO L93 Difference]: Finished difference Result 308 states and 403 transitions. [2019-10-14 23:38:17,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 23:38:17,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-14 23:38:17,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:17,849 INFO L225 Difference]: With dead ends: 308 [2019-10-14 23:38:17,849 INFO L226 Difference]: Without dead ends: 167 [2019-10-14 23:38:17,855 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:38:17,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-10-14 23:38:17,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2019-10-14 23:38:17,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-10-14 23:38:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2019-10-14 23:38:17,949 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2019-10-14 23:38:17,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:17,950 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2019-10-14 23:38:17,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 23:38:17,950 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2019-10-14 23:38:17,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-14 23:38:17,953 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:17,954 INFO L380 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] [2019-10-14 23:38:17,954 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:17,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:17,955 INFO L82 PathProgramCache]: Analyzing trace with hash 374870047, now seen corresponding path program 1 times [2019-10-14 23:38:17,955 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:17,955 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708464052] [2019-10-14 23:38:17,955 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:17,955 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:17,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:18,385 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:18,421 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708464052] [2019-10-14 23:38:18,421 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:18,421 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:38:18,422 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252495268] [2019-10-14 23:38:18,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:38:18,425 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:18,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:38:18,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:38:18,426 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 4 states. [2019-10-14 23:38:18,907 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:19,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:19,732 INFO L93 Difference]: Finished difference Result 231 states and 282 transitions. [2019-10-14 23:38:19,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 23:38:19,733 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-14 23:38:19,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:19,736 INFO L225 Difference]: With dead ends: 231 [2019-10-14 23:38:19,736 INFO L226 Difference]: Without dead ends: 151 [2019-10-14 23:38:19,738 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:38:19,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-10-14 23:38:19,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 123. [2019-10-14 23:38:19,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-14 23:38:19,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2019-10-14 23:38:19,773 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2019-10-14 23:38:19,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:19,774 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2019-10-14 23:38:19,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:38:19,774 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2019-10-14 23:38:19,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-14 23:38:19,776 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:19,776 INFO L380 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] [2019-10-14 23:38:19,777 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:19,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:19,777 INFO L82 PathProgramCache]: Analyzing trace with hash 727440706, now seen corresponding path program 1 times [2019-10-14 23:38:19,777 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:19,778 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474655169] [2019-10-14 23:38:19,778 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:19,778 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:19,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:20,205 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:20,336 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474655169] [2019-10-14 23:38:20,336 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:20,336 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:38:20,337 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828299274] [2019-10-14 23:38:20,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:38:20,337 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:20,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:38:20,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:38:20,338 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 8 states. [2019-10-14 23:38:20,780 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:21,127 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:21,424 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:21,692 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:22,490 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:24,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:24,413 INFO L93 Difference]: Finished difference Result 424 states and 526 transitions. [2019-10-14 23:38:24,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:38:24,413 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2019-10-14 23:38:24,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:24,418 INFO L225 Difference]: With dead ends: 424 [2019-10-14 23:38:24,418 INFO L226 Difference]: Without dead ends: 325 [2019-10-14 23:38:24,419 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:38:24,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-10-14 23:38:24,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 260. [2019-10-14 23:38:24,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-10-14 23:38:24,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 314 transitions. [2019-10-14 23:38:24,496 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 314 transitions. Word has length 52 [2019-10-14 23:38:24,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:24,496 INFO L462 AbstractCegarLoop]: Abstraction has 260 states and 314 transitions. [2019-10-14 23:38:24,497 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:38:24,497 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 314 transitions. [2019-10-14 23:38:24,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-14 23:38:24,499 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:24,499 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:24,500 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:24,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:24,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1814289492, now seen corresponding path program 1 times [2019-10-14 23:38:24,500 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:24,501 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543280223] [2019-10-14 23:38:24,501 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:24,501 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:24,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,897 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:25,021 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543280223] [2019-10-14 23:38:25,021 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:25,021 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:38:25,021 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168373272] [2019-10-14 23:38:25,022 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:38:25,022 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:25,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:38:25,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:38:25,023 INFO L87 Difference]: Start difference. First operand 260 states and 314 transitions. Second operand 12 states. [2019-10-14 23:38:25,638 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:26,015 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:26,305 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:26,607 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:27,215 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:28,198 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:28,612 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:28,979 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:29,285 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:38:29,589 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:30,071 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:30,455 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:30,865 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:32,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:32,605 INFO L93 Difference]: Finished difference Result 1047 states and 1392 transitions. [2019-10-14 23:38:32,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-14 23:38:32,605 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2019-10-14 23:38:32,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:32,614 INFO L225 Difference]: With dead ends: 1047 [2019-10-14 23:38:32,614 INFO L226 Difference]: Without dead ends: 811 [2019-10-14 23:38:32,617 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-10-14 23:38:32,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2019-10-14 23:38:32,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 706. [2019-10-14 23:38:32,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2019-10-14 23:38:32,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 874 transitions. [2019-10-14 23:38:32,782 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 874 transitions. Word has length 57 [2019-10-14 23:38:32,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:32,782 INFO L462 AbstractCegarLoop]: Abstraction has 706 states and 874 transitions. [2019-10-14 23:38:32,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 23:38:32,783 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 874 transitions. [2019-10-14 23:38:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-14 23:38:32,786 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:32,787 INFO L380 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] [2019-10-14 23:38:32,787 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:32,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:32,787 INFO L82 PathProgramCache]: Analyzing trace with hash 176933658, now seen corresponding path program 1 times [2019-10-14 23:38:32,788 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:32,788 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387572506] [2019-10-14 23:38:32,788 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:32,788 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:32,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,102 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:33,206 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387572506] [2019-10-14 23:38:33,206 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:33,206 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-14 23:38:33,207 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516177818] [2019-10-14 23:38:33,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-14 23:38:33,208 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:33,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-14 23:38:33,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-14 23:38:33,209 INFO L87 Difference]: Start difference. First operand 706 states and 874 transitions. Second operand 6 states. [2019-10-14 23:38:33,551 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:34,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:34,421 INFO L93 Difference]: Finished difference Result 1181 states and 1540 transitions. [2019-10-14 23:38:34,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 23:38:34,422 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-14 23:38:34,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:34,428 INFO L225 Difference]: With dead ends: 1181 [2019-10-14 23:38:34,429 INFO L226 Difference]: Without dead ends: 499 [2019-10-14 23:38:34,432 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:38:34,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2019-10-14 23:38:34,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 432. [2019-10-14 23:38:34,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2019-10-14 23:38:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 491 transitions. [2019-10-14 23:38:34,514 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 491 transitions. Word has length 61 [2019-10-14 23:38:34,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:34,514 INFO L462 AbstractCegarLoop]: Abstraction has 432 states and 491 transitions. [2019-10-14 23:38:34,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-14 23:38:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 491 transitions. [2019-10-14 23:38:34,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-14 23:38:34,540 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:34,542 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:34,542 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:34,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:34,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1524461315, now seen corresponding path program 1 times [2019-10-14 23:38:34,543 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:34,543 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957639499] [2019-10-14 23:38:34,543 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:34,543 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:34,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,871 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:34,991 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-14 23:38:34,991 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957639499] [2019-10-14 23:38:34,992 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295758054] [2019-10-14 23:38:34,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:38:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:35,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-14 23:38:35,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:38:35,314 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:38:35,315 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 23:38:35,315 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-14 23:38:35,315 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037930209] [2019-10-14 23:38:35,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-14 23:38:35,316 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:35,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-14 23:38:35,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:38:35,317 INFO L87 Difference]: Start difference. First operand 432 states and 491 transitions. Second operand 15 states. [2019-10-14 23:38:35,843 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:36,586 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:37,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:37,917 INFO L93 Difference]: Finished difference Result 605 states and 715 transitions. [2019-10-14 23:38:37,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 23:38:37,917 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 89 [2019-10-14 23:38:37,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:37,918 INFO L225 Difference]: With dead ends: 605 [2019-10-14 23:38:37,918 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:38:37,921 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2019-10-14 23:38:37,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:38:37,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:38:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:38:37,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:38:37,922 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-14 23:38:37,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:37,922 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:38:37,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-14 23:38:37,923 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:38:37,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:38:38,131 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:38:38,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:38:38,324 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 209 [2019-10-14 23:38:38,682 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 204 [2019-10-14 23:38:40,937 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2019-10-14 23:38:41,445 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-14 23:38:41,609 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:41,870 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2019-10-14 23:38:41,986 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2019-10-14 23:38:42,511 WARN L191 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-14 23:38:43,115 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-10-14 23:38:43,730 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-14 23:38:44,187 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2019-10-14 23:38:44,410 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:44,631 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-14 23:38:45,089 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-14 23:38:45,269 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-14 23:38:45,446 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-14 23:38:45,942 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2019-10-14 23:38:46,060 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2019-10-14 23:38:46,598 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2019-10-14 23:38:46,780 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-14 23:38:46,891 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2019-10-14 23:38:47,017 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2019-10-14 23:38:47,181 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:47,681 WARN L191 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-14 23:38:47,843 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:47,960 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 22 [2019-10-14 23:38:48,139 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:48,677 WARN L191 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-14 23:38:48,838 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:49,011 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-14 23:38:49,520 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2019-10-14 23:38:49,716 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:49,719 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-14 23:38:49,719 INFO L443 ceAbstractionStarter]: For program point L221-2(lines 221 242) no Hoare annotation was computed. [2019-10-14 23:38:49,719 INFO L443 ceAbstractionStarter]: For program point L243(lines 220 244) no Hoare annotation was computed. [2019-10-14 23:38:49,719 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 196 251) no Hoare annotation was computed. [2019-10-14 23:38:49,719 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 196 251) no Hoare annotation was computed. [2019-10-14 23:38:49,719 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-10-14 23:38:49,719 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 196 251) no Hoare annotation was computed. [2019-10-14 23:38:49,719 INFO L443 ceAbstractionStarter]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2019-10-14 23:38:49,719 INFO L443 ceAbstractionStarter]: For program point L284(lines 284 288) no Hoare annotation was computed. [2019-10-14 23:38:49,720 INFO L443 ceAbstractionStarter]: For program point L284-1(lines 284 288) no Hoare annotation was computed. [2019-10-14 23:38:49,720 INFO L443 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2019-10-14 23:38:49,720 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 252 311) no Hoare annotation was computed. [2019-10-14 23:38:49,720 INFO L443 ceAbstractionStarter]: For program point L278-2(lines 278 303) no Hoare annotation was computed. [2019-10-14 23:38:49,720 INFO L443 ceAbstractionStarter]: For program point L304(lines 277 305) no Hoare annotation was computed. [2019-10-14 23:38:49,720 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 252 311) no Hoare annotation was computed. [2019-10-14 23:38:49,720 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 252 311) no Hoare annotation was computed. [2019-10-14 23:38:49,720 INFO L443 ceAbstractionStarter]: For program point L297(line 297) no Hoare annotation was computed. [2019-10-14 23:38:49,720 INFO L443 ceAbstractionStarter]: For program point L297-1(line 297) no Hoare annotation was computed. [2019-10-14 23:38:49,720 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 925 931) the Hoare annotation is: true [2019-10-14 23:38:49,721 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 925 931) no Hoare annotation was computed. [2019-10-14 23:38:49,721 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 932 940) no Hoare annotation was computed. [2019-10-14 23:38:49,721 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 932 940) the Hoare annotation is: true [2019-10-14 23:38:49,721 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 932 940) no Hoare annotation was computed. [2019-10-14 23:38:49,721 INFO L439 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:49,721 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 881 905) the Hoare annotation is: true [2019-10-14 23:38:49,721 INFO L443 ceAbstractionStarter]: For program point L893(lines 893 899) no Hoare annotation was computed. [2019-10-14 23:38:49,721 INFO L439 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:49,722 INFO L443 ceAbstractionStarter]: For program point L891-1(line 891) no Hoare annotation was computed. [2019-10-14 23:38:49,722 INFO L443 ceAbstractionStarter]: For program point L889(lines 889 902) no Hoare annotation was computed. [2019-10-14 23:38:49,722 INFO L443 ceAbstractionStarter]: For program point L889-1(lines 881 905) no Hoare annotation was computed. [2019-10-14 23:38:49,722 INFO L446 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: true [2019-10-14 23:38:49,722 INFO L443 ceAbstractionStarter]: For program point L887-1(line 887) no Hoare annotation was computed. [2019-10-14 23:38:49,722 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 881 905) no Hoare annotation was computed. [2019-10-14 23:38:49,722 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-14 23:38:49,722 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-14 23:38:49,723 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:49,723 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:49,723 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:49,723 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:49,723 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-14 23:38:49,724 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-10-14 23:38:49,724 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:49,724 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:49,724 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-14 23:38:49,724 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-14 23:38:49,724 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-14 23:38:49,724 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-14 23:38:49,724 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-14 23:38:49,724 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-14 23:38:49,724 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-14 23:38:49,724 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-14 23:38:49,725 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-14 23:38:49,725 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-14 23:38:49,725 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-14 23:38:49,725 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-14 23:38:49,725 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-14 23:38:49,725 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-14 23:38:49,725 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-14 23:38:49,725 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-14 23:38:49,726 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-14 23:38:49,726 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-14 23:38:49,726 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 766 780) no Hoare annotation was computed. [2019-10-14 23:38:49,726 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 766 780) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 0)))) (and (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1))) [2019-10-14 23:38:49,726 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 766 780) no Hoare annotation was computed. [2019-10-14 23:38:49,726 INFO L439 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2019-10-14 23:38:49,726 INFO L443 ceAbstractionStarter]: For program point L770(lines 770 776) no Hoare annotation was computed. [2019-10-14 23:38:49,727 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 702 710) no Hoare annotation was computed. [2019-10-14 23:38:49,727 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 702 710) the Hoare annotation is: true [2019-10-14 23:38:49,727 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 702 710) no Hoare annotation was computed. [2019-10-14 23:38:49,727 INFO L443 ceAbstractionStarter]: For program point L754-1(line 754) no Hoare annotation was computed. [2019-10-14 23:38:49,727 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 747 765) the Hoare annotation is: true [2019-10-14 23:38:49,727 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 747 765) no Hoare annotation was computed. [2019-10-14 23:38:49,727 INFO L443 ceAbstractionStarter]: For program point L756(lines 756 760) no Hoare annotation was computed. [2019-10-14 23:38:49,728 INFO L446 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: true [2019-10-14 23:38:49,728 INFO L443 ceAbstractionStarter]: For program point L756-2(lines 756 760) no Hoare annotation was computed. [2019-10-14 23:38:49,728 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 747 765) no Hoare annotation was computed. [2019-10-14 23:38:49,728 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 738) no Hoare annotation was computed. [2019-10-14 23:38:49,728 INFO L443 ceAbstractionStarter]: For program point L730-2(lines 730 738) no Hoare annotation was computed. [2019-10-14 23:38:49,728 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 711 746) no Hoare annotation was computed. [2019-10-14 23:38:49,728 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 726) no Hoare annotation was computed. [2019-10-14 23:38:49,728 INFO L443 ceAbstractionStarter]: For program point L718-2(lines 718 726) no Hoare annotation was computed. [2019-10-14 23:38:49,728 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 711 746) no Hoare annotation was computed. [2019-10-14 23:38:49,728 INFO L443 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2019-10-14 23:38:49,728 INFO L443 ceAbstractionStarter]: For program point L741-1(line 741) no Hoare annotation was computed. [2019-10-14 23:38:49,729 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 711 746) no Hoare annotation was computed. [2019-10-14 23:38:49,729 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 918 924) no Hoare annotation was computed. [2019-10-14 23:38:49,729 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 918 924) the Hoare annotation is: true [2019-10-14 23:38:49,729 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 150 195) no Hoare annotation was computed. [2019-10-14 23:38:49,729 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 150 195) no Hoare annotation was computed. [2019-10-14 23:38:49,729 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 150 195) no Hoare annotation was computed. [2019-10-14 23:38:49,729 INFO L443 ceAbstractionStarter]: For program point L477(lines 477 497) no Hoare annotation was computed. [2019-10-14 23:38:49,729 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 477 497) no Hoare annotation was computed. [2019-10-14 23:38:49,729 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 463 508) no Hoare annotation was computed. [2019-10-14 23:38:49,729 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 463 508) no Hoare annotation was computed. [2019-10-14 23:38:49,729 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 463 508) no Hoare annotation was computed. [2019-10-14 23:38:49,729 INFO L443 ceAbstractionStarter]: For program point L483(lines 483 490) no Hoare annotation was computed. [2019-10-14 23:38:49,730 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:49,730 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-14 23:38:49,730 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-14 23:38:49,730 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 691 701) the Hoare annotation is: true [2019-10-14 23:38:49,730 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 691 701) no Hoare annotation was computed. [2019-10-14 23:38:49,730 INFO L446 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2019-10-14 23:38:49,730 INFO L443 ceAbstractionStarter]: For program point L696-1(line 696) no Hoare annotation was computed. [2019-10-14 23:38:49,730 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 691 701) no Hoare annotation was computed. [2019-10-14 23:38:49,730 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 683 690) the Hoare annotation is: true [2019-10-14 23:38:49,730 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 683 690) no Hoare annotation was computed. [2019-10-14 23:38:49,730 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 683 690) no Hoare annotation was computed. [2019-10-14 23:38:49,730 INFO L439 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2019-10-14 23:38:49,731 INFO L443 ceAbstractionStarter]: For program point L669-1(lines 650 674) no Hoare annotation was computed. [2019-10-14 23:38:49,731 INFO L439 ceAbstractionStarter]: At program point L664(line 664) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:49,731 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 650 674) no Hoare annotation was computed. [2019-10-14 23:38:49,731 INFO L439 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:49,731 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 650 674) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2019-10-14 23:38:49,731 INFO L443 ceAbstractionStarter]: For program point L658(lines 658 666) no Hoare annotation was computed. [2019-10-14 23:38:49,731 INFO L439 ceAbstractionStarter]: At program point L656(line 656) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:49,731 INFO L443 ceAbstractionStarter]: For program point L656-1(line 656) no Hoare annotation was computed. [2019-10-14 23:38:49,731 INFO L443 ceAbstractionStarter]: For program point L654(lines 654 671) no Hoare annotation was computed. [2019-10-14 23:38:49,731 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 616 622) no Hoare annotation was computed. [2019-10-14 23:38:49,732 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 616 622) the Hoare annotation is: true [2019-10-14 23:38:49,732 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 512 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:49,732 INFO L439 ceAbstractionStarter]: At program point L572(lines 521 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:49,732 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 512 579) no Hoare annotation was computed. [2019-10-14 23:38:49,732 INFO L439 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse1 (= 0 test_~splverifierCounter~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-14 23:38:49,732 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-10-14 23:38:49,732 INFO L439 ceAbstractionStarter]: At program point L560-1(lines 552 567) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-14 23:38:49,732 INFO L443 ceAbstractionStarter]: For program point L523(lines 522 571) no Hoare annotation was computed. [2019-10-14 23:38:49,732 INFO L439 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: (let ((.cse1 (= 0 test_~splverifierCounter~0)) (.cse0 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (and .cse1 (= 1 ~waterLevel~0))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse1 .cse0))) [2019-10-14 23:38:49,733 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 567) no Hoare annotation was computed. [2019-10-14 23:38:49,733 INFO L439 ceAbstractionStarter]: At program point L544(line 544) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-14 23:38:49,733 INFO L443 ceAbstractionStarter]: For program point L542(lines 542 548) no Hoare annotation was computed. [2019-10-14 23:38:49,733 INFO L443 ceAbstractionStarter]: For program point L542-1(lines 542 548) no Hoare annotation was computed. [2019-10-14 23:38:49,733 INFO L439 ceAbstractionStarter]: At program point L569(lines 522 571) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-14 23:38:49,733 INFO L439 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-14 23:38:49,733 INFO L443 ceAbstractionStarter]: For program point L532(lines 532 538) no Hoare annotation was computed. [2019-10-14 23:38:49,733 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 532 538) no Hoare annotation was computed. [2019-10-14 23:38:49,733 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 528) no Hoare annotation was computed. [2019-10-14 23:38:49,733 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 512 579) no Hoare annotation was computed. [2019-10-14 23:38:49,733 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 417 462) no Hoare annotation was computed. [2019-10-14 23:38:49,734 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 444) no Hoare annotation was computed. [2019-10-14 23:38:49,734 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 417 462) no Hoare annotation was computed. [2019-10-14 23:38:49,734 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 417 462) no Hoare annotation was computed. [2019-10-14 23:38:49,734 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 451) no Hoare annotation was computed. [2019-10-14 23:38:49,734 INFO L443 ceAbstractionStarter]: For program point L431-1(lines 431 451) no Hoare annotation was computed. [2019-10-14 23:38:49,734 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 870 878) no Hoare annotation was computed. [2019-10-14 23:38:49,734 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 870 878) the Hoare annotation is: true [2019-10-14 23:38:49,734 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 870 878) no Hoare annotation was computed. [2019-10-14 23:38:49,734 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 854) no Hoare annotation was computed. [2019-10-14 23:38:49,734 INFO L443 ceAbstractionStarter]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2019-10-14 23:38:49,735 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2019-10-14 23:38:49,735 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2019-10-14 23:38:49,735 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2019-10-14 23:38:49,735 INFO L443 ceAbstractionStarter]: For program point L384(lines 362 385) no Hoare annotation was computed. [2019-10-14 23:38:49,735 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 314 416) no Hoare annotation was computed. [2019-10-14 23:38:49,735 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 359) no Hoare annotation was computed. [2019-10-14 23:38:49,735 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 410) no Hoare annotation was computed. [2019-10-14 23:38:49,735 INFO L443 ceAbstractionStarter]: For program point L364(lines 363 383) no Hoare annotation was computed. [2019-10-14 23:38:49,736 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-14 23:38:49,736 INFO L443 ceAbstractionStarter]: For program point L395-1(line 395) no Hoare annotation was computed. [2019-10-14 23:38:49,736 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 401) no Hoare annotation was computed. [2019-10-14 23:38:49,736 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 314 416) no Hoare annotation was computed. [2019-10-14 23:38:49,736 INFO L443 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2019-10-14 23:38:49,736 INFO L443 ceAbstractionStarter]: For program point L379-1(line 379) no Hoare annotation was computed. [2019-10-14 23:38:49,736 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 342) no Hoare annotation was computed. [2019-10-14 23:38:49,736 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-14 23:38:49,737 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 314 416) no Hoare annotation was computed. [2019-10-14 23:38:49,737 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 369) no Hoare annotation was computed. [2019-10-14 23:38:49,737 INFO L443 ceAbstractionStarter]: For program point L363-2(lines 363 383) no Hoare annotation was computed. [2019-10-14 23:38:49,737 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 908 917) no Hoare annotation was computed. [2019-10-14 23:38:49,737 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 908 917) no Hoare annotation was computed. [2019-10-14 23:38:49,737 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 908 917) no Hoare annotation was computed. [2019-10-14 23:38:49,737 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:49,738 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2019-10-14 23:38:49,738 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:49,738 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 675 682) no Hoare annotation was computed. [2019-10-14 23:38:49,738 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 675 682) no Hoare annotation was computed. [2019-10-14 23:38:49,738 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 675 682) no Hoare annotation was computed. [2019-10-14 23:38:49,738 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2019-10-14 23:38:49,739 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2019-10-14 23:38:49,739 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2019-10-14 23:38:49,739 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0))))) [2019-10-14 23:38:49,739 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2019-10-14 23:38:49,739 INFO L443 ceAbstractionStarter]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2019-10-14 23:38:49,739 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:49,739 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-14 23:38:49,739 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:49,740 INFO L439 ceAbstractionStarter]: At program point L605(line 605) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1))) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-14 23:38:49,740 INFO L439 ceAbstractionStarter]: At program point L603(lines 603 609) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= 1 ~waterLevel~0) .cse0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-14 23:38:49,740 INFO L439 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-14 23:38:49,740 INFO L443 ceAbstractionStarter]: For program point L596(lines 595 614) no Hoare annotation was computed. [2019-10-14 23:38:49,740 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 592 615) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= 1 ~waterLevel~0) .cse0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-14 23:38:49,740 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 592 615) no Hoare annotation was computed. [2019-10-14 23:38:49,741 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 592 615) no Hoare annotation was computed. [2019-10-14 23:38:49,741 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-14 23:38:49,741 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-14 23:38:49,741 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-14 23:38:49,741 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-14 23:38:49,741 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-14 23:38:49,741 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-14 23:38:49,741 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-14 23:38:49,742 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-14 23:38:49,742 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-14 23:38:49,742 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-14 23:38:49,742 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2019-10-14 23:38:49,742 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2019-10-14 23:38:49,742 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2019-10-14 23:38:49,742 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: true [2019-10-14 23:38:49,742 INFO L443 ceAbstractionStarter]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2019-10-14 23:38:49,742 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2019-10-14 23:38:49,743 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-14 23:38:49,743 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-14 23:38:49,743 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:49,743 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-14 23:38:49,743 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:38:49,743 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:49,743 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 781 788) no Hoare annotation was computed. [2019-10-14 23:38:49,743 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 781 788) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 |old(~systemActive~0)|)) (.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse1 .cse0 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:49,744 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 781 788) no Hoare annotation was computed. [2019-10-14 23:38:49,744 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2019-10-14 23:38:49,744 INFO L443 ceAbstractionStarter]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2019-10-14 23:38:49,744 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (= 1 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2019-10-14 23:38:49,744 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 942 949) no Hoare annotation was computed. [2019-10-14 23:38:49,745 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2019-10-14 23:38:49,745 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 942 949) the Hoare annotation is: true [2019-10-14 23:38:49,745 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 942 949) no Hoare annotation was computed. [2019-10-14 23:38:49,745 INFO L439 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:49,745 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 624 648) no Hoare annotation was computed. [2019-10-14 23:38:49,745 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 624 648) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2019-10-14 23:38:49,745 INFO L439 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:49,746 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 640) no Hoare annotation was computed. [2019-10-14 23:38:49,746 INFO L439 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:49,746 INFO L443 ceAbstractionStarter]: For program point L630-1(line 630) no Hoare annotation was computed. [2019-10-14 23:38:49,746 INFO L443 ceAbstractionStarter]: For program point L628(lines 628 645) no Hoare annotation was computed. [2019-10-14 23:38:49,746 INFO L439 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2019-10-14 23:38:49,746 INFO L443 ceAbstractionStarter]: For program point L643-1(lines 624 648) no Hoare annotation was computed. [2019-10-14 23:38:49,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:38:49 BoogieIcfgContainer [2019-10-14 23:38:49,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:38:49,763 INFO L168 Benchmark]: Toolchain (without parser) took 35985.42 ms. Allocated memory was 138.4 MB in the beginning and 656.9 MB in the end (delta: 518.5 MB). Free memory was 101.6 MB in the beginning and 428.9 MB in the end (delta: -327.3 MB). Peak memory consumption was 538.5 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:49,764 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-14 23:38:49,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.49 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 101.4 MB in the beginning and 170.6 MB in the end (delta: -69.2 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:49,766 INFO L168 Benchmark]: Boogie Preprocessor took 105.46 ms. Allocated memory is still 201.3 MB. Free memory was 170.6 MB in the beginning and 165.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:49,767 INFO L168 Benchmark]: RCFGBuilder took 1174.23 ms. Allocated memory was 201.3 MB in the beginning and 234.9 MB in the end (delta: 33.6 MB). Free memory was 165.9 MB in the beginning and 197.5 MB in the end (delta: -31.6 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:49,767 INFO L168 Benchmark]: TraceAbstraction took 33996.54 ms. Allocated memory was 234.9 MB in the beginning and 656.9 MB in the end (delta: 422.1 MB). Free memory was 197.5 MB in the beginning and 428.9 MB in the end (delta: -231.4 MB). Peak memory consumption was 537.9 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:49,771 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 704.49 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 101.4 MB in the beginning and 170.6 MB in the end (delta: -69.2 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.46 ms. Allocated memory is still 201.3 MB. Free memory was 170.6 MB in the beginning and 165.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1174.23 ms. Allocated memory was 201.3 MB in the beginning and 234.9 MB in the end (delta: 33.6 MB). Free memory was 165.9 MB in the beginning and 197.5 MB in the end (delta: -31.6 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 33996.54 ms. Allocated memory was 234.9 MB in the beginning and 656.9 MB in the end (delta: 422.1 MB). Free memory was 197.5 MB in the beginning and 428.9 MB in the end (delta: -231.4 MB). Peak memory consumption was 537.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 946]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Result: SAFE, OverallTime: 33.9s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 18.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.5s, HoareTripleCheckerStatistics: 675 SDtfs, 1509 SDslu, 719 SDs, 0 SdLazy, 3791 SolverSat, 1082 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 273 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 300 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 838 PreInvPairs, 906 NumberOfFragments, 1200 HoareAnnotationTreeSize, 838 FomulaSimplifications, 171581 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 62 FomulaSimplificationsInter, 20483 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 127166 SizeOfPredicates, 3 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 45/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...