/usr/bin/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_spec3_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:43:29,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:43:29,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:43:29,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:43:29,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:43:29,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:43:29,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:43:29,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:43:29,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:43:29,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:43:29,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:43:29,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:43:29,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:43:29,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:43:29,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:43:29,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:43:29,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:43:29,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:43:29,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:43:29,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:43:29,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:43:29,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:43:29,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:43:29,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:43:29,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:43:29,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:43:29,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:43:29,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:43:29,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:43:29,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:43:29,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:43:29,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:43:29,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:43:29,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:43:29,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:43:29,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:43:29,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:43:29,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:43:29,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:43:29,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:43:29,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:43:29,496 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 [2020-07-07 10:43:29,510 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:43:29,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:43:29,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:43:29,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:43:29,512 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:43:29,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:43:29,512 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:43:29,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:43:29,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:43:29,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:43:29,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:43:29,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:43:29,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:43:29,513 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:43:29,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:43:29,514 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:43:29,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:43:29,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:43:29,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:43:29,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:43:29,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:43:29,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:43:29,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:43:29,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:43:29,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:43:29,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:43:29,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:43:29,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:43:29,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:43:29,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:43:29,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:43:29,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:43:29,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:43:29,834 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:43:29,835 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:43:29,836 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product08.cil.c [2020-07-07 10:43:29,898 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f57dbbc39/6a1361ba42ec451689661b2f8fb55ac4/FLAG8945ab889 [2020-07-07 10:43:30,463 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:43:30,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product08.cil.c [2020-07-07 10:43:30,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f57dbbc39/6a1361ba42ec451689661b2f8fb55ac4/FLAG8945ab889 [2020-07-07 10:43:30,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f57dbbc39/6a1361ba42ec451689661b2f8fb55ac4 [2020-07-07 10:43:30,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:43:30,778 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:43:30,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:43:30,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:43:30,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:43:30,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:43:30" (1/1) ... [2020-07-07 10:43:30,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99a451d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:30, skipping insertion in model container [2020-07-07 10:43:30,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:43:30" (1/1) ... [2020-07-07 10:43:30,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:43:30,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:43:31,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:43:31,306 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:43:31,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:43:31,474 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:43:31,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:31 WrapperNode [2020-07-07 10:43:31,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:43:31,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:43:31,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:43:31,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:43:31,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:31" (1/1) ... [2020-07-07 10:43:31,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:31" (1/1) ... [2020-07-07 10:43:31,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:31" (1/1) ... [2020-07-07 10:43:31,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:31" (1/1) ... [2020-07-07 10:43:31,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:31" (1/1) ... [2020-07-07 10:43:31,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:31" (1/1) ... [2020-07-07 10:43:31,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:31" (1/1) ... [2020-07-07 10:43:31,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:43:31,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:43:31,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:43:31,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:43:31,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:31" (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 [2020-07-07 10:43:31,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:43:31,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:43:31,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:43:31,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:43:31,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:43:31,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:43:31,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:43:31,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:43:31,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:43:31,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:43:31,689 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:43:31,690 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:43:31,690 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:43:31,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:43:31,691 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:43:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:43:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:43:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:43:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:43:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:43:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:43:31,693 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:43:31,693 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:43:31,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:43:31,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:43:31,693 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:43:31,693 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:43:31,693 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:43:31,694 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:43:31,694 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:43:31,694 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:43:31,694 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:43:31,694 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:43:31,694 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:43:31,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:43:31,695 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:43:31,695 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:43:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:43:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:43:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:43:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:43:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:43:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:43:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:43:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:43:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:43:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:43:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:43:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:43:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:43:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:43:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:43:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:43:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:43:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:43:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:43:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:43:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:43:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:43:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:43:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:43:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:43:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:43:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:43:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:43:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:43:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:43:31,700 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:43:31,700 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:43:31,700 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:43:31,700 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:43:31,700 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:43:31,700 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:43:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:43:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:43:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:43:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:43:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:43:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:43:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:43:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:43:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:43:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:43:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:43:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:43:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:43:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:43:31,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:43:32,732 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:43:32,733 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:43:32,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:43:32 BoogieIcfgContainer [2020-07-07 10:43:32,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:43:32,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:43:32,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:43:32,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:43:32,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:43:30" (1/3) ... [2020-07-07 10:43:32,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1f192b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:43:32, skipping insertion in model container [2020-07-07 10:43:32,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:31" (2/3) ... [2020-07-07 10:43:32,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1f192b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:43:32, skipping insertion in model container [2020-07-07 10:43:32,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:43:32" (3/3) ... [2020-07-07 10:43:32,746 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product08.cil.c [2020-07-07 10:43:32,756 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:43:32,764 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:43:32,777 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:43:32,801 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:43:32,801 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:43:32,802 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:43:32,802 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:43:32,802 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:43:32,802 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:43:32,802 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:43:32,803 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:43:32,825 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-07-07 10:43:32,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:43:32,835 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:32,836 INFO L422 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] [2020-07-07 10:43:32,836 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:32,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:32,841 INFO L82 PathProgramCache]: Analyzing trace with hash 2078323826, now seen corresponding path program 1 times [2020-07-07 10:43:32,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:32,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701876227] [2020-07-07 10:43:32,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,482 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:43:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:33,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701876227] [2020-07-07 10:43:33,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:33,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:43:33,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359218296] [2020-07-07 10:43:33,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:43:33,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:33,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:43:33,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:43:33,651 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 3 states. [2020-07-07 10:43:34,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:34,730 INFO L93 Difference]: Finished difference Result 272 states and 360 transitions. [2020-07-07 10:43:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:43:34,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-07 10:43:34,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:34,747 INFO L225 Difference]: With dead ends: 272 [2020-07-07 10:43:34,747 INFO L226 Difference]: Without dead ends: 148 [2020-07-07 10:43:34,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:43:34,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-07 10:43:34,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 115. [2020-07-07 10:43:34,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-07 10:43:34,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-07-07 10:43:34,836 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 52 [2020-07-07 10:43:34,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:34,836 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-07-07 10:43:34,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:43:34,837 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-07-07 10:43:34,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-07 10:43:34,841 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:34,841 INFO L422 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] [2020-07-07 10:43:34,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:43:34,841 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:34,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:34,842 INFO L82 PathProgramCache]: Analyzing trace with hash 883286197, now seen corresponding path program 1 times [2020-07-07 10:43:34,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:34,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320844079] [2020-07-07 10:43:34,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:35,129 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:43:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:35,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:35,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320844079] [2020-07-07 10:43:35,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:35,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:43:35,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050847239] [2020-07-07 10:43:35,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:43:35,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:35,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:43:35,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:43:35,194 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 4 states. [2020-07-07 10:43:35,605 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:36,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:36,324 INFO L93 Difference]: Finished difference Result 195 states and 239 transitions. [2020-07-07 10:43:36,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:43:36,325 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-07 10:43:36,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:36,328 INFO L225 Difference]: With dead ends: 195 [2020-07-07 10:43:36,328 INFO L226 Difference]: Without dead ends: 132 [2020-07-07 10:43:36,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:43:36,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-07-07 10:43:36,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 106. [2020-07-07 10:43:36,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-07 10:43:36,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2020-07-07 10:43:36,364 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 53 [2020-07-07 10:43:36,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:36,365 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2020-07-07 10:43:36,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:43:36,365 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2020-07-07 10:43:36,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-07 10:43:36,367 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:36,367 INFO L422 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] [2020-07-07 10:43:36,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:43:36,368 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:36,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:36,368 INFO L82 PathProgramCache]: Analyzing trace with hash -2055351283, now seen corresponding path program 1 times [2020-07-07 10:43:36,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:36,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092920090] [2020-07-07 10:43:36,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,674 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:43:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:36,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092920090] [2020-07-07 10:43:36,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:36,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:43:36,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773657559] [2020-07-07 10:43:36,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:43:36,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:36,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:43:36,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:43:36,749 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 8 states. [2020-07-07 10:43:37,091 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:43:37,371 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:43:37,601 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:43:37,847 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:43:38,531 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:39,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:39,972 INFO L93 Difference]: Finished difference Result 375 states and 467 transitions. [2020-07-07 10:43:39,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:43:39,973 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-07 10:43:39,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:39,978 INFO L225 Difference]: With dead ends: 375 [2020-07-07 10:43:39,978 INFO L226 Difference]: Without dead ends: 293 [2020-07-07 10:43:39,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:43:39,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-07-07 10:43:40,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 232. [2020-07-07 10:43:40,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-07-07 10:43:40,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 281 transitions. [2020-07-07 10:43:40,082 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 281 transitions. Word has length 58 [2020-07-07 10:43:40,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:40,082 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 281 transitions. [2020-07-07 10:43:40,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:43:40,083 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 281 transitions. [2020-07-07 10:43:40,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-07 10:43:40,085 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:40,086 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:43:40,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:43:40,086 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:40,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:40,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1417899682, now seen corresponding path program 1 times [2020-07-07 10:43:40,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:40,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025328187] [2020-07-07 10:43:40,087 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,444 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:43:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:40,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025328187] [2020-07-07 10:43:40,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:40,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:43:40,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957858691] [2020-07-07 10:43:40,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:43:40,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:40,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:43:40,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:43:40,530 INFO L87 Difference]: Start difference. First operand 232 states and 281 transitions. Second operand 8 states. [2020-07-07 10:43:40,924 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:43:42,142 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:43:42,436 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:43:42,705 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:43:42,923 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:43:43,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:43,486 INFO L93 Difference]: Finished difference Result 711 states and 941 transitions. [2020-07-07 10:43:43,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-07 10:43:43,486 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-07 10:43:43,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:43,493 INFO L225 Difference]: With dead ends: 711 [2020-07-07 10:43:43,494 INFO L226 Difference]: Without dead ends: 503 [2020-07-07 10:43:43,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:43:43,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2020-07-07 10:43:43,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 437. [2020-07-07 10:43:43,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-07-07 10:43:43,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 543 transitions. [2020-07-07 10:43:43,611 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 543 transitions. Word has length 63 [2020-07-07 10:43:43,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:43,612 INFO L479 AbstractCegarLoop]: Abstraction has 437 states and 543 transitions. [2020-07-07 10:43:43,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:43:43,612 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 543 transitions. [2020-07-07 10:43:43,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-07 10:43:43,615 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:43,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:43:43,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:43:43,615 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:43,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:43,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1714463836, now seen corresponding path program 1 times [2020-07-07 10:43:43,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:43,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324172973] [2020-07-07 10:43:43,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:43:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:43:43,823 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-07 10:43:43,823 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 10:43:43,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:43:43,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:43:43 BoogieIcfgContainer [2020-07-07 10:43:43,973 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:43:43,975 INFO L168 Benchmark]: Toolchain (without parser) took 13197.83 ms. Allocated memory was 144.7 MB in the beginning and 468.7 MB in the end (delta: 324.0 MB). Free memory was 101.8 MB in the beginning and 400.4 MB in the end (delta: -298.6 MB). Peak memory consumption was 294.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:43,976 INFO L168 Benchmark]: CDTParser took 1.36 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:43:43,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.03 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.6 MB in the beginning and 172.2 MB in the end (delta: -70.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:43,978 INFO L168 Benchmark]: Boogie Preprocessor took 123.39 ms. Allocated memory is still 201.9 MB. Free memory was 172.2 MB in the beginning and 168.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:43,979 INFO L168 Benchmark]: RCFGBuilder took 1139.25 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 168.0 MB in the beginning and 199.4 MB in the end (delta: -31.4 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:43,980 INFO L168 Benchmark]: TraceAbstraction took 11234.50 ms. Allocated memory was 234.4 MB in the beginning and 468.7 MB in the end (delta: 234.4 MB). Free memory was 199.4 MB in the beginning and 400.4 MB in the end (delta: -201.0 MB). Peak memory consumption was 302.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:43,984 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.03 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.6 MB in the beginning and 172.2 MB in the end (delta: -70.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.39 ms. Allocated memory is still 201.9 MB. Free memory was 172.2 MB in the beginning and 168.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1139.25 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 168.0 MB in the beginning and 199.4 MB in the end (delta: -31.4 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11234.50 ms. Allocated memory was 234.4 MB in the beginning and 468.7 MB in the end (delta: 234.4 MB). Free memory was 199.4 MB in the beginning and 400.4 MB in the end (delta: -201.0 MB). Peak memory consumption was 302.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 532]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L448] int waterLevel = 1; [L449] int methaneLevelCritical = 0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L807] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=170, \old(head)=176, \old(head)=161, \old(methaneLevelCritical)=145, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L880] int retValue_acc ; [L881] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L885] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L886] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L887] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L798] int retValue_acc ; [L801] retValue_acc = 1 [L802] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L887] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L887] tmp = valid_product() [L889] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L891] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L892] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L874] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L542] int splverifierCounter ; [L543] int tmp ; [L544] int tmp___0 ; [L545] int tmp___1 ; [L546] int tmp___2 ; [L549] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L551] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L553] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L559] tmp = __VERIFIER_nondet_int() [L561] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L563] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L466] COND TRUE waterLevel < 2 [L467] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L563] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L569] tmp___0 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L579] tmp___2 = __VERIFIER_nondet_int() [L581] COND FALSE !(\read(tmp___2)) [L587] tmp___1 = __VERIFIER_nondet_int() [L589] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=-2, tmp___2=0, waterLevel=2] [L591] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L749] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L756] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L591] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=-1, tmp___0=0, tmp___1=-2, tmp___2=0, waterLevel=2] [L598] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L620] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L627] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L635] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L51] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L487] int retValue_acc ; [L490] retValue_acc = methaneLevelCritical [L491] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L51] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L57] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L519] int retValue_acc ; [L522] retValue_acc = waterLevel [L523] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L57] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L61] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L701] int retValue_acc ; [L704] retValue_acc = pumpRunning [L705] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L61] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L67] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L532] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 217 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 444 SDtfs, 588 SDslu, 377 SDs, 0 SdLazy, 1731 SolverSat, 371 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=437occurred 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, 4 MinimizatonAttempts, 186 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 62058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...