/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 12:34:27,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 12:34:27,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 12:34:27,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 12:34:27,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 12:34:27,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 12:34:27,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 12:34:27,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 12:34:27,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 12:34:27,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 12:34:27,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 12:34:27,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 12:34:27,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 12:34:27,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 12:34:27,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 12:34:27,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 12:34:27,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 12:34:27,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 12:34:27,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 12:34:27,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 12:34:27,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 12:34:27,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 12:34:27,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 12:34:27,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 12:34:27,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 12:34:27,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 12:34:27,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 12:34:27,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 12:34:27,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 12:34:27,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 12:34:27,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 12:34:27,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 12:34:27,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 12:34:27,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 12:34:27,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 12:34:27,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 12:34:27,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 12:34:27,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 12:34:27,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 12:34:27,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 12:34:27,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 12:34:27,481 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 12:34:27,504 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 12:34:27,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 12:34:27,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 12:34:27,510 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 12:34:27,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 12:34:27,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 12:34:27,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 12:34:27,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 12:34:27,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 12:34:27,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 12:34:27,512 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 12:34:27,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 12:34:27,512 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 12:34:27,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 12:34:27,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 12:34:27,515 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 12:34:27,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 12:34:27,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 12:34:27,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:34:27,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 12:34:27,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 12:34:27,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 12:34:27,516 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 12:34:27,765 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 12:34:27,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 12:34:27,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 12:34:27,787 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 12:34:27,787 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 12:34:27,788 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product48.cil.c [2020-07-07 12:34:27,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00b241505/837f67fa96b04181a9be23ca10a29109/FLAG8f5abe026 [2020-07-07 12:34:28,415 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 12:34:28,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product48.cil.c [2020-07-07 12:34:28,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00b241505/837f67fa96b04181a9be23ca10a29109/FLAG8f5abe026 [2020-07-07 12:34:28,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00b241505/837f67fa96b04181a9be23ca10a29109 [2020-07-07 12:34:28,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 12:34:28,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 12:34:28,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 12:34:28,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 12:34:28,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 12:34:28,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:34:28" (1/1) ... [2020-07-07 12:34:28,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebe7972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:34:28, skipping insertion in model container [2020-07-07 12:34:28,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:34:28" (1/1) ... [2020-07-07 12:34:28,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 12:34:28,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 12:34:29,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:34:29,176 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 12:34:29,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:34:29,305 INFO L208 MainTranslator]: Completed translation [2020-07-07 12:34:29,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:34:29 WrapperNode [2020-07-07 12:34:29,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 12:34:29,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 12:34:29,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 12:34:29,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 12:34:29,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:34:29" (1/1) ... [2020-07-07 12:34:29,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:34:29" (1/1) ... [2020-07-07 12:34:29,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:34:29" (1/1) ... [2020-07-07 12:34:29,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:34:29" (1/1) ... [2020-07-07 12:34:29,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:34:29" (1/1) ... [2020-07-07 12:34:29,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:34:29" (1/1) ... [2020-07-07 12:34:29,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:34:29" (1/1) ... [2020-07-07 12:34:29,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 12:34:29,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 12:34:29,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 12:34:29,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 12:34:29,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:34:29" (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 12:34:29,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 12:34:29,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 12:34:29,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 12:34:29,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 12:34:29,461 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 12:34:29,461 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 12:34:29,461 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 12:34:29,461 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 12:34:29,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-07 12:34:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 12:34:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 12:34:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 12:34:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 12:34:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 12:34:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 12:34:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 12:34:29,463 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 12:34:29,463 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 12:34:29,463 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 12:34:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 12:34:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-07 12:34:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 12:34:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 12:34:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 12:34:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 12:34:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 12:34:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 12:34:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 12:34:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 12:34:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 12:34:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 12:34:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 12:34:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 12:34:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 12:34:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 12:34:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 12:34:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 12:34:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 12:34:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 12:34:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 12:34:29,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 12:34:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 12:34:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 12:34:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 12:34:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 12:34:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 12:34:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 12:34:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 12:34:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 12:34:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 12:34:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 12:34:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 12:34:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-07 12:34:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 12:34:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 12:34:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 12:34:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 12:34:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 12:34:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 12:34:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 12:34:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 12:34:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 12:34:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 12:34:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 12:34:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 12:34:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 12:34:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 12:34:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 12:34:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 12:34:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 12:34:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-07 12:34:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 12:34:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 12:34:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 12:34:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 12:34:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 12:34:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 12:34:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 12:34:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 12:34:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 12:34:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 12:34:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 12:34:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 12:34:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 12:34:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 12:34:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 12:34:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 12:34:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 12:34:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 12:34:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 12:34:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 12:34:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 12:34:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 12:34:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 12:34:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 12:34:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 12:34:30,588 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 12:34:30,588 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 12:34:30,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:34:30 BoogieIcfgContainer [2020-07-07 12:34:30,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 12:34:30,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 12:34:30,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 12:34:30,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 12:34:30,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 12:34:28" (1/3) ... [2020-07-07 12:34:30,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f0e970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:34:30, skipping insertion in model container [2020-07-07 12:34:30,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:34:29" (2/3) ... [2020-07-07 12:34:30,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f0e970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:34:30, skipping insertion in model container [2020-07-07 12:34:30,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:34:30" (3/3) ... [2020-07-07 12:34:30,603 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product48.cil.c [2020-07-07 12:34:30,614 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 12:34:30,622 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 12:34:30,637 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 12:34:30,661 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 12:34:30,661 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 12:34:30,661 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 12:34:30,662 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 12:34:30,662 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 12:34:30,662 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 12:34:30,663 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 12:34:30,663 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 12:34:30,686 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states. [2020-07-07 12:34:30,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-07 12:34:30,708 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:34:30,709 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:30,710 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:34:30,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:34:30,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1855175087, now seen corresponding path program 1 times [2020-07-07 12:34:30,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:34:30,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859676982] [2020-07-07 12:34:30,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:34:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:31,512 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:34:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:31,669 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 12:34:31,669 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:34:31,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859676982] [2020-07-07 12:34:31,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:34:31,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 12:34:31,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797103823] [2020-07-07 12:34:31,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 12:34:31,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:34:31,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 12:34:31,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 12:34:31,697 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 3 states. [2020-07-07 12:34:33,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:34:33,149 INFO L93 Difference]: Finished difference Result 532 states and 635 transitions. [2020-07-07 12:34:33,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 12:34:33,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-07 12:34:33,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:34:33,181 INFO L225 Difference]: With dead ends: 532 [2020-07-07 12:34:33,181 INFO L226 Difference]: Without dead ends: 326 [2020-07-07 12:34:33,187 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 12:34:33,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-07-07 12:34:33,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 280. [2020-07-07 12:34:33,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-07 12:34:33,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 307 transitions. [2020-07-07 12:34:33,328 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 307 transitions. Word has length 153 [2020-07-07 12:34:33,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:34:33,329 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 307 transitions. [2020-07-07 12:34:33,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 12:34:33,330 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 307 transitions. [2020-07-07 12:34:33,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-07 12:34:33,335 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:34:33,336 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:33,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 12:34:33,336 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:34:33,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:34:33,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1744708548, now seen corresponding path program 1 times [2020-07-07 12:34:33,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:34:33,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815916055] [2020-07-07 12:34:33,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:34:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:33,697 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:34:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:33,800 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 12:34:33,800 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:34:33,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815916055] [2020-07-07 12:34:33,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:34:33,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 12:34:33,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973771600] [2020-07-07 12:34:33,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 12:34:33,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:34:33,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 12:34:33,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 12:34:33,806 INFO L87 Difference]: Start difference. First operand 280 states and 307 transitions. Second operand 4 states. [2020-07-07 12:34:34,410 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:34:35,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:34:35,483 INFO L93 Difference]: Finished difference Result 439 states and 498 transitions. [2020-07-07 12:34:35,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 12:34:35,484 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-07-07 12:34:35,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:34:35,489 INFO L225 Difference]: With dead ends: 439 [2020-07-07 12:34:35,489 INFO L226 Difference]: Without dead ends: 309 [2020-07-07 12:34:35,492 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 12:34:35,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-07-07 12:34:35,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 270. [2020-07-07 12:34:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-07-07 12:34:35,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 294 transitions. [2020-07-07 12:34:35,578 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 294 transitions. Word has length 154 [2020-07-07 12:34:35,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:34:35,579 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 294 transitions. [2020-07-07 12:34:35,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 12:34:35,579 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 294 transitions. [2020-07-07 12:34:35,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-07 12:34:35,582 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:34:35,583 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:35,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 12:34:35,583 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:34:35,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:34:35,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1330649895, now seen corresponding path program 1 times [2020-07-07 12:34:35,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:34:35,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1624121526] [2020-07-07 12:34:35,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:34:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:35,928 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:34:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:36,071 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 12:34:36,072 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:34:36,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1624121526] [2020-07-07 12:34:36,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:34:36,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 12:34:36,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016996811] [2020-07-07 12:34:36,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 12:34:36,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:34:36,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 12:34:36,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-07 12:34:36,075 INFO L87 Difference]: Start difference. First operand 270 states and 294 transitions. Second operand 10 states. [2020-07-07 12:34:36,584 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:34:36,986 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:34:37,334 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:34:37,678 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:34:38,020 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:34:38,318 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:34:39,152 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:34:41,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:34:41,818 INFO L93 Difference]: Finished difference Result 760 states and 888 transitions. [2020-07-07 12:34:41,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 12:34:41,819 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-07-07 12:34:41,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:34:41,824 INFO L225 Difference]: With dead ends: 760 [2020-07-07 12:34:41,824 INFO L226 Difference]: Without dead ends: 600 [2020-07-07 12:34:41,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:34:41,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-07-07 12:34:41,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 501. [2020-07-07 12:34:41,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2020-07-07 12:34:41,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 564 transitions. [2020-07-07 12:34:41,998 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 564 transitions. Word has length 167 [2020-07-07 12:34:41,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:34:41,999 INFO L479 AbstractCegarLoop]: Abstraction has 501 states and 564 transitions. [2020-07-07 12:34:41,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 12:34:41,999 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 564 transitions. [2020-07-07 12:34:42,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-07 12:34:42,002 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:34:42,003 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:42,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 12:34:42,003 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:34:42,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:34:42,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1800368934, now seen corresponding path program 1 times [2020-07-07 12:34:42,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:34:42,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1644594365] [2020-07-07 12:34:42,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:34:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:42,323 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:34:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:34:42,560 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 12:34:42,561 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:34:42,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1644594365] [2020-07-07 12:34:42,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:34:42,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 12:34:42,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938695630] [2020-07-07 12:34:42,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 12:34:42,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:34:42,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 12:34:42,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-07 12:34:42,563 INFO L87 Difference]: Start difference. First operand 501 states and 564 transitions. Second operand 9 states. [2020-07-07 12:34:43,118 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:34:44,973 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:34:45,249 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:34:45,525 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:34:45,822 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:34:46,073 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:34:46,335 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:34:46,561 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:34:47,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:34:47,616 INFO L93 Difference]: Finished difference Result 1373 states and 1659 transitions. [2020-07-07 12:34:47,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 12:34:47,617 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172 [2020-07-07 12:34:47,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:34:47,625 INFO L225 Difference]: With dead ends: 1373 [2020-07-07 12:34:47,625 INFO L226 Difference]: Without dead ends: 982 [2020-07-07 12:34:47,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-07-07 12:34:47,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2020-07-07 12:34:47,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 875. [2020-07-07 12:34:47,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2020-07-07 12:34:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1009 transitions. [2020-07-07 12:34:47,928 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1009 transitions. Word has length 172 [2020-07-07 12:34:47,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:34:47,929 INFO L479 AbstractCegarLoop]: Abstraction has 875 states and 1009 transitions. [2020-07-07 12:34:47,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 12:34:47,929 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1009 transitions. [2020-07-07 12:34:47,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-07-07 12:34:47,934 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:34:47,934 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:47,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 12:34:47,935 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:34:47,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:34:47,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1544124696, now seen corresponding path program 1 times [2020-07-07 12:34:47,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:34:47,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1358620695] [2020-07-07 12:34:47,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:34:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 12:34:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 12:34:48,219 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:34:48,220 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-07 12:34:48,220 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 12:34:48,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 12:34:48,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 12:34:48 BoogieIcfgContainer [2020-07-07 12:34:48,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 12:34:48,248 INFO L168 Benchmark]: Toolchain (without parser) took 19552.09 ms. Allocated memory was 139.5 MB in the beginning and 634.9 MB in the end (delta: 495.5 MB). Free memory was 102.4 MB in the beginning and 352.9 MB in the end (delta: -250.4 MB). Peak memory consumption was 245.0 MB. Max. memory is 7.1 GB. [2020-07-07 12:34:48,249 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 12:34:48,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.24 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 102.2 MB in the beginning and 171.9 MB in the end (delta: -69.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2020-07-07 12:34:48,250 INFO L168 Benchmark]: Boogie Preprocessor took 95.10 ms. Allocated memory is still 205.0 MB. Free memory was 171.9 MB in the beginning and 167.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-07 12:34:48,251 INFO L168 Benchmark]: RCFGBuilder took 1193.48 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 167.6 MB in the beginning and 171.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2020-07-07 12:34:48,252 INFO L168 Benchmark]: TraceAbstraction took 17649.80 ms. Allocated memory was 235.9 MB in the beginning and 634.9 MB in the end (delta: 399.0 MB). Free memory was 171.9 MB in the beginning and 352.9 MB in the end (delta: -181.0 MB). Peak memory consumption was 218.0 MB. Max. memory is 7.1 GB. [2020-07-07 12:34:48,256 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 609.24 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 102.2 MB in the beginning and 171.9 MB in the end (delta: -69.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.10 ms. Allocated memory is still 205.0 MB. Free memory was 171.9 MB in the beginning and 167.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1193.48 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 167.6 MB in the beginning and 171.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17649.80 ms. Allocated memory was 235.9 MB in the beginning and 634.9 MB in the end (delta: 399.0 MB). Free memory was 171.9 MB in the beginning and 352.9 MB in the end (delta: -181.0 MB). Peak memory consumption was 218.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L129] int waterLevel = 1; [L130] int methaneLevelCritical = 0; [L229] int pumpRunning = 0; [L230] int systemActive = 1; [L447] int cleanupTimeShifts = 4; [L782] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L521] int retValue_acc ; [L522] int tmp ; [L526] FCALL select_helpers() [L527] FCALL select_features() [L528] CALL, EXPR valid_product() [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); [L528] RET, EXPR valid_product() [L528] tmp = valid_product() [L530] COND TRUE \read(tmp) [L532] FCALL setup() [L533] CALL runTest() [L515] CALL test() [L545] int splverifierCounter ; [L546] int tmp ; [L547] int tmp___0 ; [L548] int tmp___1 ; [L549] int tmp___2 ; [L552] splverifierCounter = 0 [L554] COND TRUE 1 [L556] COND TRUE splverifierCounter < 4 [L562] tmp = __VERIFIER_nondet_int() [L564] COND TRUE \read(tmp) [L566] CALL waterRise() [L147] COND TRUE waterLevel < 2 [L148] waterLevel = waterLevel + 1 [L566] RET waterRise() [L572] tmp___0 = __VERIFIER_nondet_int() [L574] COND FALSE !(\read(tmp___0)) [L582] tmp___2 = __VERIFIER_nondet_int() [L584] COND FALSE !(\read(tmp___2)) [L590] tmp___1 = __VERIFIER_nondet_int() [L592] COND TRUE \read(tmp___1) [L594] CALL stopSystem() [L427] COND FALSE !(\read(pumpRunning)) [L434] systemActive = 0 [L594] RET stopSystem() [L601] CALL timeShift() [L236] COND FALSE !(\read(pumpRunning)) [L243] COND FALSE !(\read(systemActive)) [L251] CALL __utac_acc__Specification3_spec__1() [L91] int tmp ; [L92] int tmp___0 ; [L93] int tmp___1 ; [L97] CALL, EXPR isMethaneLevelCritical() [L168] int retValue_acc ; [L171] retValue_acc = methaneLevelCritical [L172] return (retValue_acc); [L97] RET, EXPR isMethaneLevelCritical() [L97] tmp = isMethaneLevelCritical() [L99] COND FALSE !(\read(tmp)) [L103] CALL, EXPR getWaterLevel() [L200] int retValue_acc ; [L203] retValue_acc = waterLevel [L204] return (retValue_acc); [L103] RET, EXPR getWaterLevel() [L103] tmp___0 = getWaterLevel() [L105] COND TRUE tmp___0 == 2 [L107] CALL, EXPR isPumpRunning() [L360] int retValue_acc ; [L363] retValue_acc = pumpRunning [L364] return (retValue_acc); [L107] RET, EXPR isPumpRunning() [L107] tmp___1 = isPumpRunning() [L109] COND FALSE !(\read(tmp___1)) [L113] CALL __automaton_fail() [L44] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 643 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 17.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 14.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1076 SDtfs, 1490 SDslu, 1554 SDs, 0 SdLazy, 3518 SolverSat, 539 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=875occurred 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: 0.6s AutomataMinimizationTime, 4 MinimizatonAttempts, 291 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...