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_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:39:03,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:39:03,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:39:03,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:39:03,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:39:03,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:39:03,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:39:03,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:39:03,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:39:03,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:39:03,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:39:03,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:39:03,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:39:03,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:39:03,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:39:03,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:39:03,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:39:03,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:39:03,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:39:03,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:39:03,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:39:03,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:39:03,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:39:03,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:39:03,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:39:03,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:39:03,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:39:03,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:39:03,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:39:03,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:39:03,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:39:03,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:39:03,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:39:03,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:39:03,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:39:03,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:39:03,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:39:03,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:39:03,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:39:03,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:39:03,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:39:03,548 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 [2019-10-13 19:39:03,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:39:03,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:39:03,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:39:03,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:39:03,570 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:39:03,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:39:03,570 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:39:03,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:39:03,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:39:03,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:39:03,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:39:03,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:39:03,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:39:03,572 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:39:03,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:39:03,572 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:39:03,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:39:03,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:39:03,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:39:03,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:39:03,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:39:03,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:39:03,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:39:03,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:39:03,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:39:03,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:39:03,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:39:03,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:39:03,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:39:03,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:39:03,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:39:03,848 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:39:03,850 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:39:03,850 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:39:03,851 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2019-10-13 19:39:03,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08faf5ba2/b9f82fe3015f4872a39d3e3cd8f0e1ad/FLAG8f87ab009 [2019-10-13 19:39:04,403 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:39:04,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2019-10-13 19:39:04,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08faf5ba2/b9f82fe3015f4872a39d3e3cd8f0e1ad/FLAG8f87ab009 [2019-10-13 19:39:04,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08faf5ba2/b9f82fe3015f4872a39d3e3cd8f0e1ad [2019-10-13 19:39:04,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:39:04,762 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:39:04,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:39:04,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:39:04,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:39:04,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:04" (1/1) ... [2019-10-13 19:39:04,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a202d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:04, skipping insertion in model container [2019-10-13 19:39:04,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:04" (1/1) ... [2019-10-13 19:39:04,778 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:39:04,839 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:39:05,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:39:05,283 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:39:05,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:39:05,434 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:39:05,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:05 WrapperNode [2019-10-13 19:39:05,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:39:05,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:39:05,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:39:05,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:39:05,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:05" (1/1) ... [2019-10-13 19:39:05,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:05" (1/1) ... [2019-10-13 19:39:05,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:05" (1/1) ... [2019-10-13 19:39:05,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:05" (1/1) ... [2019-10-13 19:39:05,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:05" (1/1) ... [2019-10-13 19:39:05,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:05" (1/1) ... [2019-10-13 19:39:05,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:05" (1/1) ... [2019-10-13 19:39:05,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:39:05,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:39:05,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:39:05,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:39:05,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:05" (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 [2019-10-13 19:39:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:39:05,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:39:05,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:39:05,611 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:39:05,611 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:39:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:39:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:39:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 19:39:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 19:39:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 19:39:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 19:39:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 19:39:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 19:39:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 19:39:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:39:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:39:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:39:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:39:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:39:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:39:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:39:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:39:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:39:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:39:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:39:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:39:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:39:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:39:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 19:39:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 19:39:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 19:39:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 19:39:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 19:39:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 19:39:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 19:39:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 19:39:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 19:39:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 19:39:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:39:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:39:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:39:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:39:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:39:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:39:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:39:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:39:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 19:39:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 19:39:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 19:39:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 19:39:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 19:39:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 19:39:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 19:39:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:39:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:39:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:39:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 19:39:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:39:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:39:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:39:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:39:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:39:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:39:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:39:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:39:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:39:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:39:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:39:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:39:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:39:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:39:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:39:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:39:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:39:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:39:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:39:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:39:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:39:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:39:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 19:39:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:39:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 19:39:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 19:39:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 19:39:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 19:39:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 19:39:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 19:39:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 19:39:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 19:39:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:39:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:39:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:39:06,606 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:39:06,607 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 19:39:06,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:06 BoogieIcfgContainer [2019-10-13 19:39:06,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:39:06,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:39:06,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:39:06,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:39:06,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:39:04" (1/3) ... [2019-10-13 19:39:06,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c35687d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:06, skipping insertion in model container [2019-10-13 19:39:06,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:05" (2/3) ... [2019-10-13 19:39:06,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c35687d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:06, skipping insertion in model container [2019-10-13 19:39:06,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:06" (3/3) ... [2019-10-13 19:39:06,617 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2019-10-13 19:39:06,627 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:39:06,636 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:39:06,647 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:39:06,685 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:39:06,685 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:39:06,685 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:39:06,685 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:39:06,686 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:39:06,686 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:39:06,686 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:39:06,686 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:39:06,706 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2019-10-13 19:39:06,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 19:39:06,714 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:06,715 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] [2019-10-13 19:39:06,717 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:06,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:06,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1999815947, now seen corresponding path program 1 times [2019-10-13 19:39:06,731 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:06,731 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346922969] [2019-10-13 19:39:06,732 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:06,732 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:06,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:07,401 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:07,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:07,465 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346922969] [2019-10-13 19:39:07,472 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:07,473 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 19:39:07,473 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381285563] [2019-10-13 19:39:07,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 19:39:07,481 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:07,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 19:39:07,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:39:07,499 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2019-10-13 19:39:08,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:08,525 INFO L93 Difference]: Finished difference Result 270 states and 356 transitions. [2019-10-13 19:39:08,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 19:39:08,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-13 19:39:08,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:08,541 INFO L225 Difference]: With dead ends: 270 [2019-10-13 19:39:08,542 INFO L226 Difference]: Without dead ends: 147 [2019-10-13 19:39:08,546 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 [2019-10-13 19:39:08,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-10-13 19:39:08,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2019-10-13 19:39:08,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-13 19:39:08,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2019-10-13 19:39:08,654 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2019-10-13 19:39:08,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:08,655 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2019-10-13 19:39:08,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 19:39:08,655 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2019-10-13 19:39:08,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 19:39:08,658 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:08,658 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] [2019-10-13 19:39:08,659 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:08,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:08,659 INFO L82 PathProgramCache]: Analyzing trace with hash 2091613530, now seen corresponding path program 1 times [2019-10-13 19:39:08,660 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:08,660 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682094836] [2019-10-13 19:39:08,660 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:08,660 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:08,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:09,038 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:09,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:09,070 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682094836] [2019-10-13 19:39:09,070 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:09,070 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 19:39:09,071 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215697583] [2019-10-13 19:39:09,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:39:09,072 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:09,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:39:09,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 19:39:09,073 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states. [2019-10-13 19:39:09,506 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:10,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:10,157 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2019-10-13 19:39:10,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 19:39:10,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-13 19:39:10,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:10,165 INFO L225 Difference]: With dead ends: 193 [2019-10-13 19:39:10,165 INFO L226 Difference]: Without dead ends: 131 [2019-10-13 19:39:10,167 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 [2019-10-13 19:39:10,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-13 19:39:10,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105. [2019-10-13 19:39:10,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-10-13 19:39:10,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2019-10-13 19:39:10,198 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2019-10-13 19:39:10,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:10,199 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2019-10-13 19:39:10,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:39:10,199 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2019-10-13 19:39:10,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 19:39:10,201 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:10,201 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] [2019-10-13 19:39:10,201 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:10,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:10,202 INFO L82 PathProgramCache]: Analyzing trace with hash 969654456, now seen corresponding path program 1 times [2019-10-13 19:39:10,202 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:10,202 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143099346] [2019-10-13 19:39:10,202 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:10,203 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:10,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,571 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:10,713 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143099346] [2019-10-13 19:39:10,713 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:10,714 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:39:10,714 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936162925] [2019-10-13 19:39:10,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:39:10,715 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:10,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:39:10,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:39:10,716 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 8 states. [2019-10-13 19:39:11,133 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:11,454 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:11,737 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:11,985 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:12,783 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:14,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:14,263 INFO L93 Difference]: Finished difference Result 366 states and 454 transitions. [2019-10-13 19:39:14,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 19:39:14,264 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2019-10-13 19:39:14,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:14,267 INFO L225 Difference]: With dead ends: 366 [2019-10-13 19:39:14,267 INFO L226 Difference]: Without dead ends: 285 [2019-10-13 19:39:14,268 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:39:14,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2019-10-13 19:39:14,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 224. [2019-10-13 19:39:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-10-13 19:39:14,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2019-10-13 19:39:14,328 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2019-10-13 19:39:14,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:14,329 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2019-10-13 19:39:14,329 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:39:14,329 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2019-10-13 19:39:14,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 19:39:14,331 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:14,331 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] [2019-10-13 19:39:14,332 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:14,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:14,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1151197578, now seen corresponding path program 1 times [2019-10-13 19:39:14,332 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:14,332 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340947240] [2019-10-13 19:39:14,333 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:14,333 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:14,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:14,660 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:14,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:14,765 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340947240] [2019-10-13 19:39:14,766 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:14,766 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:39:14,766 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164141811] [2019-10-13 19:39:14,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:39:14,767 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:14,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:39:14,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:39:14,768 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 12 states. [2019-10-13 19:39:15,297 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:15,637 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:15,899 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:16,147 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:16,782 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:17,648 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:18,044 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:18,355 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:18,639 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:39:18,898 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:19,266 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:19,598 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:19,883 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:21,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:21,018 INFO L93 Difference]: Finished difference Result 891 states and 1198 transitions. [2019-10-13 19:39:21,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 19:39:21,019 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2019-10-13 19:39:21,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:21,027 INFO L225 Difference]: With dead ends: 891 [2019-10-13 19:39:21,027 INFO L226 Difference]: Without dead ends: 691 [2019-10-13 19:39:21,029 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-10-13 19:39:21,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2019-10-13 19:39:21,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 594. [2019-10-13 19:39:21,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2019-10-13 19:39:21,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 736 transitions. [2019-10-13 19:39:21,166 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 736 transitions. Word has length 57 [2019-10-13 19:39:21,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:21,166 INFO L462 AbstractCegarLoop]: Abstraction has 594 states and 736 transitions. [2019-10-13 19:39:21,167 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:39:21,167 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 736 transitions. [2019-10-13 19:39:21,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 19:39:21,170 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:21,170 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] [2019-10-13 19:39:21,170 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:21,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:21,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1679599728, now seen corresponding path program 1 times [2019-10-13 19:39:21,171 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:21,171 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352805234] [2019-10-13 19:39:21,171 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:21,172 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:21,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,466 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:21,544 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352805234] [2019-10-13 19:39:21,544 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:21,544 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 19:39:21,544 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975035300] [2019-10-13 19:39:21,545 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 19:39:21,545 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:21,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 19:39:21,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 19:39:21,546 INFO L87 Difference]: Start difference. First operand 594 states and 736 transitions. Second operand 6 states. [2019-10-13 19:39:21,935 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:22,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:22,786 INFO L93 Difference]: Finished difference Result 1039 states and 1358 transitions. [2019-10-13 19:39:22,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 19:39:22,786 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-13 19:39:22,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:22,791 INFO L225 Difference]: With dead ends: 1039 [2019-10-13 19:39:22,791 INFO L226 Difference]: Without dead ends: 469 [2019-10-13 19:39:22,793 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 [2019-10-13 19:39:22,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2019-10-13 19:39:22,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 402. [2019-10-13 19:39:22,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2019-10-13 19:39:22,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 461 transitions. [2019-10-13 19:39:22,864 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 461 transitions. Word has length 61 [2019-10-13 19:39:22,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:22,864 INFO L462 AbstractCegarLoop]: Abstraction has 402 states and 461 transitions. [2019-10-13 19:39:22,864 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 19:39:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 461 transitions. [2019-10-13 19:39:22,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 19:39:22,867 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:22,867 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] [2019-10-13 19:39:22,868 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:22,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:22,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1114958929, now seen corresponding path program 1 times [2019-10-13 19:39:22,868 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:22,868 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190393390] [2019-10-13 19:39:22,869 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:22,869 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:22,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,166 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,267 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 19:39:23,268 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190393390] [2019-10-13 19:39:23,269 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848881293] [2019-10-13 19:39:23,269 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 [2019-10-13 19:39:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 19:39:23,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:39:23,633 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 19:39:23,634 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 19:39:23,634 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-13 19:39:23,634 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24363236] [2019-10-13 19:39:23,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-13 19:39:23,635 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:23,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-13 19:39:23,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-10-13 19:39:23,636 INFO L87 Difference]: Start difference. First operand 402 states and 461 transitions. Second operand 15 states. [2019-10-13 19:39:24,178 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:24,917 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:26,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:26,045 INFO L93 Difference]: Finished difference Result 565 states and 675 transitions. [2019-10-13 19:39:26,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 19:39:26,045 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 89 [2019-10-13 19:39:26,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:26,047 INFO L225 Difference]: With dead ends: 565 [2019-10-13 19:39:26,047 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 19:39:26,049 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2019-10-13 19:39:26,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 19:39:26,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 19:39:26,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 19:39:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 19:39:26,051 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-13 19:39:26,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:26,051 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 19:39:26,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-13 19:39:26,051 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 19:39:26,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 19:39:26,255 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:39:26,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 19:39:26,449 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 206 [2019-10-13 19:39:27,279 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 207 [2019-10-13 19:39:29,246 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:39:29,395 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:29,852 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-13 19:39:30,008 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2019-10-13 19:39:30,373 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:30,800 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2019-10-13 19:39:31,012 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:31,471 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-13 19:39:31,629 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:32,075 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2019-10-13 19:39:32,568 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2019-10-13 19:39:32,753 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:32,915 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:33,487 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-10-13 19:39:33,725 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:39:33,883 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:39:34,030 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:34,506 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:39:34,663 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:34,882 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2019-10-13 19:39:35,077 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:35,506 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2019-10-13 19:39:35,653 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:35,656 INFO L443 ceAbstractionStarter]: For program point L351(line 351) no Hoare annotation was computed. [2019-10-13 19:39:35,656 INFO L443 ceAbstractionStarter]: For program point L350-2(lines 350 371) no Hoare annotation was computed. [2019-10-13 19:39:35,656 INFO L443 ceAbstractionStarter]: For program point L372(lines 349 373) no Hoare annotation was computed. [2019-10-13 19:39:35,656 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 325 380) no Hoare annotation was computed. [2019-10-13 19:39:35,656 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 325 380) no Hoare annotation was computed. [2019-10-13 19:39:35,656 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 360) no Hoare annotation was computed. [2019-10-13 19:39:35,656 INFO L443 ceAbstractionStarter]: For program point L356-1(lines 356 360) no Hoare annotation was computed. [2019-10-13 19:39:35,656 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 325 380) no Hoare annotation was computed. [2019-10-13 19:39:35,656 INFO L443 ceAbstractionStarter]: For program point L413(lines 413 417) no Hoare annotation was computed. [2019-10-13 19:39:35,657 INFO L443 ceAbstractionStarter]: For program point L413-1(lines 413 417) no Hoare annotation was computed. [2019-10-13 19:39:35,657 INFO L443 ceAbstractionStarter]: For program point L408(line 408) no Hoare annotation was computed. [2019-10-13 19:39:35,657 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 381 440) no Hoare annotation was computed. [2019-10-13 19:39:35,657 INFO L443 ceAbstractionStarter]: For program point L407-2(lines 407 432) no Hoare annotation was computed. [2019-10-13 19:39:35,657 INFO L443 ceAbstractionStarter]: For program point L433(lines 406 434) no Hoare annotation was computed. [2019-10-13 19:39:35,657 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 381 440) no Hoare annotation was computed. [2019-10-13 19:39:35,657 INFO L443 ceAbstractionStarter]: For program point L426(line 426) no Hoare annotation was computed. [2019-10-13 19:39:35,657 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 381 440) no Hoare annotation was computed. [2019-10-13 19:39:35,657 INFO L443 ceAbstractionStarter]: For program point L426-1(line 426) no Hoare annotation was computed. [2019-10-13 19:39:35,658 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 19:39:35,658 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 19:39:35,658 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 19:39:35,658 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 19:39:35,658 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-13 19:39:35,658 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 649 673) the Hoare annotation is: true [2019-10-13 19:39:35,658 INFO L439 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:35,658 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 667) no Hoare annotation was computed. [2019-10-13 19:39:35,658 INFO L439 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:35,659 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 649 673) no Hoare annotation was computed. [2019-10-13 19:39:35,659 INFO L443 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2019-10-13 19:39:35,659 INFO L443 ceAbstractionStarter]: For program point L657(lines 657 670) no Hoare annotation was computed. [2019-10-13 19:39:35,659 INFO L443 ceAbstractionStarter]: For program point L657-1(lines 649 673) no Hoare annotation was computed. [2019-10-13 19:39:35,659 INFO L446 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: true [2019-10-13 19:39:35,659 INFO L443 ceAbstractionStarter]: For program point L655-1(line 655) no Hoare annotation was computed. [2019-10-13 19:39:35,659 INFO L443 ceAbstractionStarter]: For program point L257(line 257) no Hoare annotation was computed. [2019-10-13 19:39:35,659 INFO L439 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:39:35,660 INFO L439 ceAbstractionStarter]: At program point L255(line 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:39:35,660 INFO L439 ceAbstractionStarter]: At program point L255-1(line 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:39:35,660 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 249 271) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:39:35,660 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 249 271) no Hoare annotation was computed. [2019-10-13 19:39:35,660 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 249 271) no Hoare annotation was computed. [2019-10-13 19:39:35,660 INFO L439 ceAbstractionStarter]: At program point L261(line 261) 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))) [2019-10-13 19:39:35,661 INFO L439 ceAbstractionStarter]: At program point L261-1(line 261) 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))) [2019-10-13 19:39:35,661 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 266) no Hoare annotation was computed. [2019-10-13 19:39:35,661 INFO L443 ceAbstractionStarter]: For program point L259-1(lines 259 266) no Hoare annotation was computed. [2019-10-13 19:39:35,661 INFO L443 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2019-10-13 19:39:35,661 INFO L443 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2019-10-13 19:39:35,661 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 207 230) no Hoare annotation was computed. [2019-10-13 19:39:35,661 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-10-13 19:39:35,661 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-13 19:39:35,661 INFO L443 ceAbstractionStarter]: For program point L221(line 221) no Hoare annotation was computed. [2019-10-13 19:39:35,661 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 207 230) no Hoare annotation was computed. [2019-10-13 19:39:35,661 INFO L443 ceAbstractionStarter]: For program point L220(line 220) no Hoare annotation was computed. [2019-10-13 19:39:35,662 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 207 230) no Hoare annotation was computed. [2019-10-13 19:39:35,662 INFO L443 ceAbstractionStarter]: For program point L219(line 219) no Hoare annotation was computed. [2019-10-13 19:39:35,662 INFO L443 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2019-10-13 19:39:35,662 INFO L443 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2019-10-13 19:39:35,662 INFO L443 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2019-10-13 19:39:35,662 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-10-13 19:39:35,662 INFO L443 ceAbstractionStarter]: For program point L214(line 214) no Hoare annotation was computed. [2019-10-13 19:39:35,662 INFO L443 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2019-10-13 19:39:35,662 INFO L443 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2019-10-13 19:39:35,662 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 830 844) no Hoare annotation was computed. [2019-10-13 19:39:35,663 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 830 844) 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))) [2019-10-13 19:39:35,663 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 830 844) no Hoare annotation was computed. [2019-10-13 19:39:35,663 INFO L439 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2019-10-13 19:39:35,663 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 840) no Hoare annotation was computed. [2019-10-13 19:39:35,663 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 766 774) no Hoare annotation was computed. [2019-10-13 19:39:35,663 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 766 774) the Hoare annotation is: true [2019-10-13 19:39:35,663 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 766 774) no Hoare annotation was computed. [2019-10-13 19:39:35,664 INFO L443 ceAbstractionStarter]: For program point L818-1(line 818) no Hoare annotation was computed. [2019-10-13 19:39:35,664 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 811 829) the Hoare annotation is: true [2019-10-13 19:39:35,664 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 811 829) no Hoare annotation was computed. [2019-10-13 19:39:35,664 INFO L443 ceAbstractionStarter]: For program point L820(lines 820 824) no Hoare annotation was computed. [2019-10-13 19:39:35,664 INFO L446 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2019-10-13 19:39:35,664 INFO L443 ceAbstractionStarter]: For program point L820-2(lines 820 824) no Hoare annotation was computed. [2019-10-13 19:39:35,664 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 811 829) no Hoare annotation was computed. [2019-10-13 19:39:35,664 INFO L443 ceAbstractionStarter]: For program point L794(lines 794 802) no Hoare annotation was computed. [2019-10-13 19:39:35,665 INFO L443 ceAbstractionStarter]: For program point L794-2(lines 794 802) no Hoare annotation was computed. [2019-10-13 19:39:35,665 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 775 810) no Hoare annotation was computed. [2019-10-13 19:39:35,665 INFO L443 ceAbstractionStarter]: For program point L782(lines 782 790) no Hoare annotation was computed. [2019-10-13 19:39:35,665 INFO L443 ceAbstractionStarter]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2019-10-13 19:39:35,665 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 775 810) no Hoare annotation was computed. [2019-10-13 19:39:35,665 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-10-13 19:39:35,665 INFO L443 ceAbstractionStarter]: For program point L805-1(line 805) no Hoare annotation was computed. [2019-10-13 19:39:35,665 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 775 810) no Hoare annotation was computed. [2019-10-13 19:39:35,666 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 19:39:35,666 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 19:39:35,666 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 279 324) no Hoare annotation was computed. [2019-10-13 19:39:35,666 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 279 324) no Hoare annotation was computed. [2019-10-13 19:39:35,666 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 279 324) no Hoare annotation was computed. [2019-10-13 19:39:35,666 INFO L443 ceAbstractionStarter]: For program point L606(lines 606 626) no Hoare annotation was computed. [2019-10-13 19:39:35,666 INFO L443 ceAbstractionStarter]: For program point L606-1(lines 606 626) no Hoare annotation was computed. [2019-10-13 19:39:35,666 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 592 637) no Hoare annotation was computed. [2019-10-13 19:39:35,666 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 592 637) no Hoare annotation was computed. [2019-10-13 19:39:35,667 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 592 637) no Hoare annotation was computed. [2019-10-13 19:39:35,667 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 619) no Hoare annotation was computed. [2019-10-13 19:39:35,667 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 239 248) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:39:35,667 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 239 248) no Hoare annotation was computed. [2019-10-13 19:39:35,667 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 239 248) no Hoare annotation was computed. [2019-10-13 19:39:35,667 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 755 765) no Hoare annotation was computed. [2019-10-13 19:39:35,667 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 755 765) no Hoare annotation was computed. [2019-10-13 19:39:35,667 INFO L443 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2019-10-13 19:39:35,667 INFO L443 ceAbstractionStarter]: For program point L760-1(line 760) no Hoare annotation was computed. [2019-10-13 19:39:35,668 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 755 765) no Hoare annotation was computed. [2019-10-13 19:39:35,668 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 747 754) the Hoare annotation is: true [2019-10-13 19:39:35,668 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2019-10-13 19:39:35,668 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2019-10-13 19:39:35,668 INFO L439 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2019-10-13 19:39:35,668 INFO L443 ceAbstractionStarter]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2019-10-13 19:39:35,668 INFO L439 ceAbstractionStarter]: At program point L728(line 728) 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))))) [2019-10-13 19:39:35,668 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 714 738) no Hoare annotation was computed. [2019-10-13 19:39:35,669 INFO L439 ceAbstractionStarter]: At program point L724(line 724) 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))))) [2019-10-13 19:39:35,669 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 714 738) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2019-10-13 19:39:35,669 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2019-10-13 19:39:35,669 INFO L439 ceAbstractionStarter]: At program point L720(line 720) 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))))) [2019-10-13 19:39:35,669 INFO L443 ceAbstractionStarter]: For program point L720-1(line 720) no Hoare annotation was computed. [2019-10-13 19:39:35,669 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 735) no Hoare annotation was computed. [2019-10-13 19:39:35,669 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2019-10-13 19:39:35,669 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2019-10-13 19:39:35,670 INFO L443 ceAbstractionStarter]: For program point L865(lines 864 913) no Hoare annotation was computed. [2019-10-13 19:39:35,670 INFO L439 ceAbstractionStarter]: At program point L896(line 896) 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))) [2019-10-13 19:39:35,670 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 854 921) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:39:35,670 INFO L443 ceAbstractionStarter]: For program point L894(lines 894 909) no Hoare annotation was computed. [2019-10-13 19:39:35,670 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 854 921) no Hoare annotation was computed. [2019-10-13 19:39:35,670 INFO L439 ceAbstractionStarter]: At program point L886(line 886) 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))) [2019-10-13 19:39:35,670 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2019-10-13 19:39:35,670 INFO L443 ceAbstractionStarter]: For program point L884-1(lines 884 890) no Hoare annotation was computed. [2019-10-13 19:39:35,670 INFO L439 ceAbstractionStarter]: At program point L911(lines 864 913) 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))) [2019-10-13 19:39:35,671 INFO L439 ceAbstractionStarter]: At program point L876(line 876) 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)))) [2019-10-13 19:39:35,671 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 880) no Hoare annotation was computed. [2019-10-13 19:39:35,671 INFO L443 ceAbstractionStarter]: For program point L874-1(lines 874 880) no Hoare annotation was computed. [2019-10-13 19:39:35,671 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 870) no Hoare annotation was computed. [2019-10-13 19:39:35,671 INFO L439 ceAbstractionStarter]: At program point L914(lines 863 915) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:35,671 INFO L439 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:35,671 INFO L443 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-10-13 19:39:35,671 INFO L439 ceAbstractionStarter]: At program point L902-1(lines 894 909) 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))) [2019-10-13 19:39:35,671 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 854 921) no Hoare annotation was computed. [2019-10-13 19:39:35,671 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 546 591) no Hoare annotation was computed. [2019-10-13 19:39:35,672 INFO L443 ceAbstractionStarter]: For program point L566(lines 566 573) no Hoare annotation was computed. [2019-10-13 19:39:35,672 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 546 591) no Hoare annotation was computed. [2019-10-13 19:39:35,672 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 546 591) no Hoare annotation was computed. [2019-10-13 19:39:35,672 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 580) no Hoare annotation was computed. [2019-10-13 19:39:35,672 INFO L443 ceAbstractionStarter]: For program point L560-1(lines 560 580) no Hoare annotation was computed. [2019-10-13 19:39:35,672 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 164 172) no Hoare annotation was computed. [2019-10-13 19:39:35,672 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 164 172) the Hoare annotation is: true [2019-10-13 19:39:35,672 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 164 172) no Hoare annotation was computed. [2019-10-13 19:39:35,672 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 148) no Hoare annotation was computed. [2019-10-13 19:39:35,672 INFO L443 ceAbstractionStarter]: For program point L140-2(lines 140 148) no Hoare annotation was computed. [2019-10-13 19:39:35,672 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 132 154) no Hoare annotation was computed. [2019-10-13 19:39:35,672 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 132 154) no Hoare annotation was computed. [2019-10-13 19:39:35,672 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 132 154) no Hoare annotation was computed. [2019-10-13 19:39:35,673 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 19:39:35,673 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-13 19:39:35,673 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 19:39:35,673 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 443 545) no Hoare annotation was computed. [2019-10-13 19:39:35,673 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-13 19:39:35,673 INFO L443 ceAbstractionStarter]: For program point L508-1(line 508) no Hoare annotation was computed. [2019-10-13 19:39:35,673 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 471) no Hoare annotation was computed. [2019-10-13 19:39:35,673 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 542) no Hoare annotation was computed. [2019-10-13 19:39:35,673 INFO L443 ceAbstractionStarter]: For program point L494(lines 494 498) no Hoare annotation was computed. [2019-10-13 19:39:35,673 INFO L443 ceAbstractionStarter]: For program point L492-2(lines 492 512) no Hoare annotation was computed. [2019-10-13 19:39:35,674 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 443 545) no Hoare annotation was computed. [2019-10-13 19:39:35,674 INFO L443 ceAbstractionStarter]: For program point L513(lines 491 514) no Hoare annotation was computed. [2019-10-13 19:39:35,674 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 488) no Hoare annotation was computed. [2019-10-13 19:39:35,674 INFO L443 ceAbstractionStarter]: For program point L532(lines 532 539) no Hoare annotation was computed. [2019-10-13 19:39:35,674 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 443 545) no Hoare annotation was computed. [2019-10-13 19:39:35,674 INFO L443 ceAbstractionStarter]: For program point L493(lines 492 512) no Hoare annotation was computed. [2019-10-13 19:39:35,674 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-13 19:39:35,674 INFO L443 ceAbstractionStarter]: For program point L524-1(line 524) no Hoare annotation was computed. [2019-10-13 19:39:35,675 INFO L443 ceAbstractionStarter]: For program point L489(lines 489 530) no Hoare annotation was computed. [2019-10-13 19:39:35,675 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:35,675 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2019-10-13 19:39:35,675 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:35,675 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 739 746) no Hoare annotation was computed. [2019-10-13 19:39:35,675 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 739 746) no Hoare annotation was computed. [2019-10-13 19:39:35,676 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 739 746) no Hoare annotation was computed. [2019-10-13 19:39:35,676 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 155 163) the Hoare annotation is: true [2019-10-13 19:39:35,676 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 155 163) no Hoare annotation was computed. [2019-10-13 19:39:35,676 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 155 163) no Hoare annotation was computed. [2019-10-13 19:39:35,676 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse1 .cse0 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:35,676 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2019-10-13 19:39:35,676 INFO L443 ceAbstractionStarter]: For program point L115-1(lines 111 122) no Hoare annotation was computed. [2019-10-13 19:39:35,676 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:35,677 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 19:39:35,677 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:35,677 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 123 131) no Hoare annotation was computed. [2019-10-13 19:39:35,677 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 123 131) no Hoare annotation was computed. [2019-10-13 19:39:35,677 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 123 131) no Hoare annotation was computed. [2019-10-13 19:39:35,677 INFO L439 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:39:35,677 INFO L439 ceAbstractionStarter]: At program point L693(lines 693 699) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 (and (= 1 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 19:39:35,678 INFO L439 ceAbstractionStarter]: At program point L688(line 688) 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)|))))) [2019-10-13 19:39:35,678 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 (and (= 1 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 19:39:35,678 INFO L443 ceAbstractionStarter]: For program point L686(lines 685 704) no Hoare annotation was computed. [2019-10-13 19:39:35,678 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2019-10-13 19:39:35,678 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2019-10-13 19:39:35,678 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 176 205) no Hoare annotation was computed. [2019-10-13 19:39:35,678 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 194) no Hoare annotation was computed. [2019-10-13 19:39:35,679 INFO L446 ceAbstractionStarter]: At program point L190-1(lines 190 194) the Hoare annotation is: true [2019-10-13 19:39:35,679 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 176 205) the Hoare annotation is: true [2019-10-13 19:39:35,679 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-13 19:39:35,679 INFO L446 ceAbstractionStarter]: At program point L186-2(lines 186 200) the Hoare annotation is: true [2019-10-13 19:39:35,679 INFO L446 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2019-10-13 19:39:35,679 INFO L443 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2019-10-13 19:39:35,679 INFO L446 ceAbstractionStarter]: At program point L201(lines 176 205) the Hoare annotation is: true [2019-10-13 19:39:35,679 INFO L443 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-10-13 19:39:35,679 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: true [2019-10-13 19:39:35,680 INFO L443 ceAbstractionStarter]: For program point L91-1(lines 87 98) no Hoare annotation was computed. [2019-10-13 19:39:35,680 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2019-10-13 19:39:35,680 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 231 237) no Hoare annotation was computed. [2019-10-13 19:39:35,680 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 231 237) the Hoare annotation is: true [2019-10-13 19:39:35,680 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:35,680 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 19:39:35,680 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 19:39:35,681 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:35,681 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2019-10-13 19:39:35,681 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 |old(~systemActive~0)|)) (.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0))))) [2019-10-13 19:39:35,681 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 845 852) no Hoare annotation was computed. [2019-10-13 19:39:35,681 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2019-10-13 19:39:35,681 INFO L443 ceAbstractionStarter]: For program point L103-1(lines 99 110) no Hoare annotation was computed. [2019-10-13 19:39:35,681 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2019-10-13 19:39:35,681 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 639 646) no Hoare annotation was computed. [2019-10-13 19:39:35,682 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 639 646) the Hoare annotation is: true [2019-10-13 19:39:35,682 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 639 646) no Hoare annotation was computed. [2019-10-13 19:39:35,682 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2019-10-13 19:39:35,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:39:35 BoogieIcfgContainer [2019-10-13 19:39:35,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 19:39:35,697 INFO L168 Benchmark]: Toolchain (without parser) took 30935.71 ms. Allocated memory was 139.5 MB in the beginning and 624.4 MB in the end (delta: 485.0 MB). Free memory was 101.7 MB in the beginning and 239.6 MB in the end (delta: -137.9 MB). Peak memory consumption was 476.3 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:35,698 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 19:39:35,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.84 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 101.5 MB in the beginning and 171.2 MB in the end (delta: -69.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:35,700 INFO L168 Benchmark]: Boogie Preprocessor took 98.76 ms. Allocated memory is still 203.4 MB. Free memory was 171.2 MB in the beginning and 167.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:35,701 INFO L168 Benchmark]: RCFGBuilder took 1074.58 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 167.3 MB in the beginning and 196.4 MB in the end (delta: -29.1 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:35,701 INFO L168 Benchmark]: TraceAbstraction took 29086.08 ms. Allocated memory was 234.9 MB in the beginning and 624.4 MB in the end (delta: 389.5 MB). Free memory was 196.4 MB in the beginning and 239.6 MB in the end (delta: -43.2 MB). Peak memory consumption was 475.5 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:35,705 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.84 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 101.5 MB in the beginning and 171.2 MB in the end (delta: -69.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.76 ms. Allocated memory is still 203.4 MB. Free memory was 171.2 MB in the beginning and 167.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1074.58 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 167.3 MB in the beginning and 196.4 MB in the end (delta: -29.1 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29086.08 ms. Allocated memory was 234.9 MB in the beginning and 624.4 MB in the end (delta: 389.5 MB). Free memory was 196.4 MB in the beginning and 239.6 MB in the end (delta: -43.2 MB). Peak memory consumption was 475.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 643]: 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: 864]: 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: 863]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 224 locations, 1 error locations. Result: SAFE, OverallTime: 29.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 15.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.3s, HoareTripleCheckerStatistics: 606 SDtfs, 1301 SDslu, 695 SDs, 0 SdLazy, 3302 SolverSat, 926 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 273 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=594occurred 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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 284 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 644 PreInvPairs, 712 NumberOfFragments, 1049 HoareAnnotationTreeSize, 644 FomulaSimplifications, 173243 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 54 FomulaSimplificationsInter, 18159 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s 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...