/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_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 12:32:51,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 12:32:51,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 12:32:51,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 12:32:51,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 12:32:51,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 12:32:51,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 12:32:51,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 12:32:51,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 12:32:51,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 12:32:51,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 12:32:51,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 12:32:51,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 12:32:51,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 12:32:51,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 12:32:51,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 12:32:51,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 12:32:51,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 12:32:51,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 12:32:51,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 12:32:51,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 12:32:51,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 12:32:51,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 12:32:51,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 12:32:51,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 12:32:51,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 12:32:51,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 12:32:51,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 12:32:51,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 12:32:51,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 12:32:51,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 12:32:51,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 12:32:51,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 12:32:51,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 12:32:51,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 12:32:51,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 12:32:51,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 12:32:51,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 12:32:51,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 12:32:51,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 12:32:51,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 12:32:51,529 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 12:32:51,538 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 12:32:51,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 12:32:51,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 12:32:51,540 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 12:32:51,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 12:32:51,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 12:32:51,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 12:32:51,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 12:32:51,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 12:32:51,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 12:32:51,541 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 12:32:51,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 12:32:51,541 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 12:32:51,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 12:32:51,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 12:32:51,542 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 12:32:51,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 12:32:51,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 12:32:51,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:32:51,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 12:32:51,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 12:32:51,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 12:32:51,544 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 12:32:51,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 12:32:51,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 12:32:51,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 12:32:51,842 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 12:32:51,843 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 12:32:51,844 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product15.cil.c [2020-07-07 12:32:51,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fd29ea96/65a893984ab24562818dd07455ac03d8/FLAGd34834ebe [2020-07-07 12:32:52,456 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 12:32:52,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product15.cil.c [2020-07-07 12:32:52,468 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fd29ea96/65a893984ab24562818dd07455ac03d8/FLAGd34834ebe [2020-07-07 12:32:52,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fd29ea96/65a893984ab24562818dd07455ac03d8 [2020-07-07 12:32:52,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 12:32:52,765 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 12:32:52,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 12:32:52,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 12:32:52,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 12:32:52,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:32:52" (1/1) ... [2020-07-07 12:32:52,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f38f78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:32:52, skipping insertion in model container [2020-07-07 12:32:52,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:32:52" (1/1) ... [2020-07-07 12:32:52,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 12:32:52,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 12:32:53,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:32:53,191 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 12:32:53,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:32:53,461 INFO L208 MainTranslator]: Completed translation [2020-07-07 12:32:53,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:32:53 WrapperNode [2020-07-07 12:32:53,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 12:32:53,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 12:32:53,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 12:32:53,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 12:32:53,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:32:53" (1/1) ... [2020-07-07 12:32:53,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:32:53" (1/1) ... [2020-07-07 12:32:53,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:32:53" (1/1) ... [2020-07-07 12:32:53,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:32:53" (1/1) ... [2020-07-07 12:32:53,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:32:53" (1/1) ... [2020-07-07 12:32:53,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:32:53" (1/1) ... [2020-07-07 12:32:53,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:32:53" (1/1) ... [2020-07-07 12:32:53,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 12:32:53,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 12:32:53,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 12:32:53,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 12:32:53,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:32:53" (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 12:32:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 12:32:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 12:32:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 12:32:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 12:32:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 12:32:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 12:32:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-07 12:32:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 12:32:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 12:32:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 12:32:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 12:32:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 12:32:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 12:32:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 12:32:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 12:32:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 12:32:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 12:32:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 12:32:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 12:32:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 12:32:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 12:32:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 12:32:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 12:32:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 12:32:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 12:32:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 12:32:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 12:32:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 12:32:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 12:32:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 12:32:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 12:32:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-07 12:32:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 12:32:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 12:32:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 12:32:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 12:32:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 12:32:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 12:32:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 12:32:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 12:32:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 12:32:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 12:32:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 12:32:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 12:32:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 12:32:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 12:32:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 12:32:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 12:32:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 12:32:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-07 12:32:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 12:32:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 12:32:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 12:32:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-07 12:32:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 12:32:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 12:32:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 12:32:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 12:32:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 12:32:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 12:32:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 12:32:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 12:32:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 12:32:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 12:32:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 12:32:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 12:32:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 12:32:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 12:32:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 12:32:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 12:32:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 12:32:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 12:32:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 12:32:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 12:32:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 12:32:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 12:32:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 12:32:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 12:32:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 12:32:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 12:32:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 12:32:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 12:32:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 12:32:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 12:32:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 12:32:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 12:32:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 12:32:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 12:32:54,730 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 12:32:54,731 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 12:32:54,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:32:54 BoogieIcfgContainer [2020-07-07 12:32:54,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 12:32:54,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 12:32:54,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 12:32:54,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 12:32:54,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 12:32:52" (1/3) ... [2020-07-07 12:32:54,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aac9d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:32:54, skipping insertion in model container [2020-07-07 12:32:54,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:32:53" (2/3) ... [2020-07-07 12:32:54,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aac9d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:32:54, skipping insertion in model container [2020-07-07 12:32:54,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:32:54" (3/3) ... [2020-07-07 12:32:54,746 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product15.cil.c [2020-07-07 12:32:54,756 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 12:32:54,765 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 12:32:54,780 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 12:32:54,803 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 12:32:54,803 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 12:32:54,803 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 12:32:54,803 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 12:32:54,804 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 12:32:54,804 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 12:32:54,804 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 12:32:54,804 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 12:32:54,827 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states. [2020-07-07 12:32:54,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-07 12:32:54,848 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:32:54,850 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 12:32:54,850 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:32:54,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:32:54,857 INFO L82 PathProgramCache]: Analyzing trace with hash -572002072, now seen corresponding path program 1 times [2020-07-07 12:32:54,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:32:54,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1088210959] [2020-07-07 12:32:54,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:32:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:55,596 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:32:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:55,823 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 12:32:55,823 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:32:55,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1088210959] [2020-07-07 12:32:55,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:32:55,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 12:32:55,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181835849] [2020-07-07 12:32:55,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 12:32:55,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:32:55,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 12:32:55,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 12:32:55,861 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 3 states. [2020-07-07 12:32:57,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:32:57,207 INFO L93 Difference]: Finished difference Result 427 states and 514 transitions. [2020-07-07 12:32:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 12:32:57,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-07 12:32:57,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:32:57,226 INFO L225 Difference]: With dead ends: 427 [2020-07-07 12:32:57,226 INFO L226 Difference]: Without dead ends: 271 [2020-07-07 12:32:57,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 12:32:57,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-07-07 12:32:57,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 230. [2020-07-07 12:32:57,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-07-07 12:32:57,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 250 transitions. [2020-07-07 12:32:57,355 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 250 transitions. Word has length 153 [2020-07-07 12:32:57,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:32:57,357 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 250 transitions. [2020-07-07 12:32:57,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 12:32:57,357 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 250 transitions. [2020-07-07 12:32:57,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-07 12:32:57,362 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:32:57,362 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 12:32:57,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 12:32:57,363 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:32:57,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:32:57,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1995098950, now seen corresponding path program 1 times [2020-07-07 12:32:57,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:32:57,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1189872623] [2020-07-07 12:32:57,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:32:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:57,690 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:32:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:57,792 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 12:32:57,792 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:32:57,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1189872623] [2020-07-07 12:32:57,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:32:57,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 12:32:57,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251870205] [2020-07-07 12:32:57,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 12:32:57,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:32:57,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 12:32:57,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 12:32:57,797 INFO L87 Difference]: Start difference. First operand 230 states and 250 transitions. Second operand 4 states. [2020-07-07 12:32:58,498 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:32:59,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:32:59,305 INFO L93 Difference]: Finished difference Result 338 states and 381 transitions. [2020-07-07 12:32:59,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 12:32:59,311 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-07-07 12:32:59,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:32:59,318 INFO L225 Difference]: With dead ends: 338 [2020-07-07 12:32:59,322 INFO L226 Difference]: Without dead ends: 254 [2020-07-07 12:32:59,326 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 12:32:59,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-07-07 12:32:59,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 220. [2020-07-07 12:32:59,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-07 12:32:59,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 237 transitions. [2020-07-07 12:32:59,393 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 237 transitions. Word has length 154 [2020-07-07 12:32:59,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:32:59,394 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 237 transitions. [2020-07-07 12:32:59,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 12:32:59,394 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 237 transitions. [2020-07-07 12:32:59,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-07 12:32:59,397 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:32:59,397 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] [2020-07-07 12:32:59,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 12:32:59,398 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:32:59,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:32:59,398 INFO L82 PathProgramCache]: Analyzing trace with hash -794008811, now seen corresponding path program 1 times [2020-07-07 12:32:59,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:32:59,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026602271] [2020-07-07 12:32:59,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:32:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:59,713 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:32:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:32:59,878 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 12:32:59,878 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:32:59,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026602271] [2020-07-07 12:32:59,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:32:59,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 12:32:59,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798444263] [2020-07-07 12:32:59,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 12:32:59,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:32:59,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 12:32:59,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-07 12:32:59,881 INFO L87 Difference]: Start difference. First operand 220 states and 237 transitions. Second operand 9 states. [2020-07-07 12:33:00,412 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:33:00,724 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:33:00,983 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:33:01,250 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:33:01,499 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:33:01,731 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:33:02,759 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:33:04,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:33:04,432 INFO L93 Difference]: Finished difference Result 578 states and 668 transitions. [2020-07-07 12:33:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 12:33:04,438 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2020-07-07 12:33:04,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:33:04,443 INFO L225 Difference]: With dead ends: 578 [2020-07-07 12:33:04,443 INFO L226 Difference]: Without dead ends: 468 [2020-07-07 12:33:04,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-07-07 12:33:04,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2020-07-07 12:33:04,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 405. [2020-07-07 12:33:04,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-07-07 12:33:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 454 transitions. [2020-07-07 12:33:04,581 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 454 transitions. Word has length 163 [2020-07-07 12:33:04,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:33:04,582 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 454 transitions. [2020-07-07 12:33:04,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 12:33:04,582 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 454 transitions. [2020-07-07 12:33:04,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-07 12:33:04,585 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:33:04,586 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] [2020-07-07 12:33:04,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 12:33:04,586 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:33:04,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:33:04,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1600870362, now seen corresponding path program 1 times [2020-07-07 12:33:04,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:33:04,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1984752367] [2020-07-07 12:33:04,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:33:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:33:04,970 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:33:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:33:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:33:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:33:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:33:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:33:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:33:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:33:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:33:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:33:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:33:05,127 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 12:33:05,127 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:33:05,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1984752367] [2020-07-07 12:33:05,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:33:05,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 12:33:05,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719640090] [2020-07-07 12:33:05,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 12:33:05,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:33:05,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 12:33:05,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-07 12:33:05,130 INFO L87 Difference]: Start difference. First operand 405 states and 454 transitions. Second operand 9 states. [2020-07-07 12:33:05,747 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:33:07,729 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:33:07,995 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:33:08,264 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:33:08,519 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:33:08,743 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:33:08,989 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:33:09,259 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:33:10,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:33:10,026 INFO L93 Difference]: Finished difference Result 1162 states and 1453 transitions. [2020-07-07 12:33:10,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 12:33:10,026 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 171 [2020-07-07 12:33:10,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:33:10,044 INFO L225 Difference]: With dead ends: 1162 [2020-07-07 12:33:10,044 INFO L226 Difference]: Without dead ends: 867 [2020-07-07 12:33:10,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-07-07 12:33:10,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2020-07-07 12:33:10,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 679. [2020-07-07 12:33:10,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2020-07-07 12:33:10,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 785 transitions. [2020-07-07 12:33:10,355 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 785 transitions. Word has length 171 [2020-07-07 12:33:10,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:33:10,357 INFO L479 AbstractCegarLoop]: Abstraction has 679 states and 785 transitions. [2020-07-07 12:33:10,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 12:33:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 785 transitions. [2020-07-07 12:33:10,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-07-07 12:33:10,362 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:33:10,362 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] [2020-07-07 12:33:10,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 12:33:10,363 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:33:10,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:33:10,363 INFO L82 PathProgramCache]: Analyzing trace with hash 942920496, now seen corresponding path program 1 times [2020-07-07 12:33:10,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:33:10,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221461170] [2020-07-07 12:33:10,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:33:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 12:33:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 12:33:10,770 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:33:10,771 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-07 12:33:10,771 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 12:33:10,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 12:33:10,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 12:33:10 BoogieIcfgContainer [2020-07-07 12:33:10,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 12:33:10,811 INFO L168 Benchmark]: Toolchain (without parser) took 18047.84 ms. Allocated memory was 135.8 MB in the beginning and 603.5 MB in the end (delta: 467.7 MB). Free memory was 99.8 MB in the beginning and 544.4 MB in the end (delta: -444.6 MB). Peak memory consumption was 449.2 MB. Max. memory is 7.1 GB. [2020-07-07 12:33:10,812 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory is still 118.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-07 12:33:10,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.61 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 99.4 MB in the beginning and 170.1 MB in the end (delta: -70.8 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2020-07-07 12:33:10,814 INFO L168 Benchmark]: Boogie Preprocessor took 97.11 ms. Allocated memory is still 200.3 MB. Free memory was 170.1 MB in the beginning and 165.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-07 12:33:10,815 INFO L168 Benchmark]: RCFGBuilder took 1178.38 ms. Allocated memory was 200.3 MB in the beginning and 228.6 MB in the end (delta: 28.3 MB). Free memory was 165.9 MB in the beginning and 178.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. [2020-07-07 12:33:10,816 INFO L168 Benchmark]: TraceAbstraction took 16070.46 ms. Allocated memory was 228.6 MB in the beginning and 603.5 MB in the end (delta: 374.9 MB). Free memory was 178.2 MB in the beginning and 544.4 MB in the end (delta: -366.2 MB). Peak memory consumption was 434.8 MB. Max. memory is 7.1 GB. [2020-07-07 12:33:10,819 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory is still 118.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 695.61 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 99.4 MB in the beginning and 170.1 MB in the end (delta: -70.8 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.11 ms. Allocated memory is still 200.3 MB. Free memory was 170.1 MB in the beginning and 165.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1178.38 ms. Allocated memory was 200.3 MB in the beginning and 228.6 MB in the end (delta: 28.3 MB). Free memory was 165.9 MB in the beginning and 178.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16070.46 ms. Allocated memory was 228.6 MB in the beginning and 603.5 MB in the end (delta: 374.9 MB). Free memory was 178.2 MB in the beginning and 544.4 MB in the end (delta: -366.2 MB). Peak memory consumption was 434.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 870]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L454] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int waterLevel = 1; [L653] int methaneLevelCritical = 0; [L732] int cleanupTimeShifts = 4; [L808] int retValue_acc ; [L809] int tmp ; [L813] FCALL select_helpers() [L814] FCALL select_features() [L815] CALL, EXPR valid_product() [L901] int retValue_acc ; [L904] retValue_acc = 1 [L905] return (retValue_acc); [L815] RET, EXPR valid_product() [L815] tmp = valid_product() [L817] COND TRUE \read(tmp) [L819] FCALL setup() [L820] CALL runTest() [L799] CALL test() [L219] int splverifierCounter ; [L220] int tmp ; [L221] int tmp___0 ; [L222] int tmp___1 ; [L223] int tmp___2 ; [L226] splverifierCounter = 0 [L228] COND TRUE 1 [L230] COND TRUE splverifierCounter < 4 [L236] tmp = __VERIFIER_nondet_int() [L238] COND TRUE \read(tmp) [L240] CALL waterRise() [L670] COND TRUE waterLevel < 2 [L671] waterLevel = waterLevel + 1 [L240] RET waterRise() [L246] tmp___0 = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp___0)) [L256] tmp___2 = __VERIFIER_nondet_int() [L258] COND TRUE \read(tmp___2) [L273] CALL timeShift() [L57] COND FALSE !(\read(pumpRunning)) [L64] COND TRUE \read(systemActive) [L66] CALL processEnvironment() [L86] int tmp ; [L89] COND FALSE !(\read(pumpRunning)) [L104] FCALL processEnvironment__wrappee__methaneQuery() [L66] RET processEnvironment() [L72] CALL __utac_acc__Specification3_spec__1() [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; [L839] CALL, EXPR isMethaneLevelCritical() [L691] int retValue_acc ; [L694] retValue_acc = methaneLevelCritical [L695] return (retValue_acc); [L839] RET, EXPR isMethaneLevelCritical() [L839] tmp = isMethaneLevelCritical() [L841] COND FALSE !(\read(tmp)) [L845] CALL, EXPR getWaterLevel() [L723] int retValue_acc ; [L726] retValue_acc = waterLevel [L727] return (retValue_acc); [L845] RET, EXPR getWaterLevel() [L845] tmp___0 = getWaterLevel() [L847] COND TRUE tmp___0 == 2 [L849] CALL, EXPR isPumpRunning() [L155] int retValue_acc ; [L158] retValue_acc = pumpRunning [L159] return (retValue_acc); [L849] RET, EXPR isPumpRunning() [L849] tmp___1 = isPumpRunning() [L851] COND FALSE !(\read(tmp___1)) [L855] CALL __automaton_fail() [L870] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 605 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 15.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 878 SDtfs, 1034 SDslu, 1326 SDs, 0 SdLazy, 2731 SolverSat, 351 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=679occurred 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, 326 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...