/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 23:57:18,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 23:57:18,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 23:57:18,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 23:57:18,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 23:57:18,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 23:57:18,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 23:57:18,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 23:57:18,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 23:57:18,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 23:57:18,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 23:57:18,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 23:57:18,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 23:57:18,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 23:57:18,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 23:57:18,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 23:57:18,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 23:57:18,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 23:57:18,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 23:57:18,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 23:57:18,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 23:57:18,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 23:57:18,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 23:57:18,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 23:57:18,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 23:57:18,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 23:57:18,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 23:57:18,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 23:57:18,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 23:57:18,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 23:57:18,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 23:57:18,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 23:57:18,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 23:57:18,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 23:57:18,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 23:57:18,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 23:57:18,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 23:57:18,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 23:57:18,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 23:57:18,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 23:57:18,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 23:57:18,727 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 23:57:18,759 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 23:57:18,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 23:57:18,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 23:57:18,765 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 23:57:18,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 23:57:18,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 23:57:18,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 23:57:18,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 23:57:18,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 23:57:18,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 23:57:18,768 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 23:57:18,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 23:57:18,769 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 23:57:18,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 23:57:18,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 23:57:18,770 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 23:57:18,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 23:57:18,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 23:57:18,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 23:57:18,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 23:57:18,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 23:57:18,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 23:57:18,772 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-23 23:57:19,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 23:57:19,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 23:57:19,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 23:57:19,234 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 23:57:19,235 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 23:57:19,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c [2020-10-23 23:57:19,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e75815459/a9b4ad63a9da485aa3b92ca0b446e1f8/FLAG70bc90b35 [2020-10-23 23:57:19,944 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 23:57:19,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c [2020-10-23 23:57:19,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e75815459/a9b4ad63a9da485aa3b92ca0b446e1f8/FLAG70bc90b35 [2020-10-23 23:57:20,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e75815459/a9b4ad63a9da485aa3b92ca0b446e1f8 [2020-10-23 23:57:20,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 23:57:20,245 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 23:57:20,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 23:57:20,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 23:57:20,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 23:57:20,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:57:20" (1/1) ... [2020-10-23 23:57:20,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab29f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:20, skipping insertion in model container [2020-10-23 23:57:20,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:57:20" (1/1) ... [2020-10-23 23:57:20,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 23:57:20,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 23:57:20,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:57:20,677 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 23:57:20,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:57:20,843 INFO L208 MainTranslator]: Completed translation [2020-10-23 23:57:20,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:20 WrapperNode [2020-10-23 23:57:20,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 23:57:20,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 23:57:20,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 23:57:20,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 23:57:20,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:20" (1/1) ... [2020-10-23 23:57:20,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:20" (1/1) ... [2020-10-23 23:57:20,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:20" (1/1) ... [2020-10-23 23:57:20,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:20" (1/1) ... [2020-10-23 23:57:20,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:20" (1/1) ... [2020-10-23 23:57:20,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:20" (1/1) ... [2020-10-23 23:57:20,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:20" (1/1) ... [2020-10-23 23:57:20,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 23:57:20,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 23:57:20,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 23:57:20,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 23:57:20,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:20" (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 [2020-10-23 23:57:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 23:57:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 23:57:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 23:57:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 23:57:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 23:57:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 23:57:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 23:57:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 23:57:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 23:57:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 23:57:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 23:57:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 23:57:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 23:57:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-23 23:57:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 23:57:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 23:57:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 23:57:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 23:57:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 23:57:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-23 23:57:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 23:57:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 23:57:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 23:57:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 23:57:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 23:57:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 23:57:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 23:57:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 23:57:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 23:57:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 23:57:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 23:57:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 23:57:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 23:57:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 23:57:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 23:57:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 23:57:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 23:57:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 23:57:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 23:57:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 23:57:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 23:57:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 23:57:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 23:57:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 23:57:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 23:57:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 23:57:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 23:57:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 23:57:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 23:57:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 23:57:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 23:57:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 23:57:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 23:57:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 23:57:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 23:57:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 23:57:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 23:57:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 23:57:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 23:57:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 23:57:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 23:57:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 23:57:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-23 23:57:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 23:57:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-23 23:57:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 23:57:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 23:57:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 23:57:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 23:57:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 23:57:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 23:57:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 23:57:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 23:57:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 23:57:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 23:57:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 23:57:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 23:57:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 23:57:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 23:57:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 23:57:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 23:57:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 23:57:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 23:57:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 23:57:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 23:57:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 23:57:22,588 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 23:57:22,589 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 23:57:22,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:57:22 BoogieIcfgContainer [2020-10-23 23:57:22,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 23:57:22,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 23:57:22,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 23:57:22,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 23:57:22,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:57:20" (1/3) ... [2020-10-23 23:57:22,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@524b5fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:57:22, skipping insertion in model container [2020-10-23 23:57:22,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:20" (2/3) ... [2020-10-23 23:57:22,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@524b5fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:57:22, skipping insertion in model container [2020-10-23 23:57:22,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:57:22" (3/3) ... [2020-10-23 23:57:22,607 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product09.cil.c [2020-10-23 23:57:22,621 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 23:57:22,629 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 23:57:22,645 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 23:57:22,675 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 23:57:22,675 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 23:57:22,676 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-23 23:57:22,676 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 23:57:22,676 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 23:57:22,676 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 23:57:22,676 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 23:57:22,676 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 23:57:22,704 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states. [2020-10-23 23:57:22,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-23 23:57:22,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:57:22,724 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] [2020-10-23 23:57:22,724 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:57:22,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:57:22,731 INFO L82 PathProgramCache]: Analyzing trace with hash -985993161, now seen corresponding path program 1 times [2020-10-23 23:57:22,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:57:22,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1239960463] [2020-10-23 23:57:22,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:57:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,635 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:57:23,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:57:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:57:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:57:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:57:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:57:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 23:57:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 23:57:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 23:57:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:57:23,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1239960463] [2020-10-23 23:57:23,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:57:23,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 23:57:23,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475639590] [2020-10-23 23:57:23,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 23:57:23,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:57:23,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 23:57:23,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 23:57:23,940 INFO L87 Difference]: Start difference. First operand 277 states. Second operand 3 states. [2020-10-23 23:57:25,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:57:25,464 INFO L93 Difference]: Finished difference Result 375 states and 449 transitions. [2020-10-23 23:57:25,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 23:57:25,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-10-23 23:57:25,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:57:25,483 INFO L225 Difference]: With dead ends: 375 [2020-10-23 23:57:25,484 INFO L226 Difference]: Without dead ends: 244 [2020-10-23 23:57:25,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 23:57:25,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-10-23 23:57:25,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 207. [2020-10-23 23:57:25,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-10-23 23:57:25,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 221 transitions. [2020-10-23 23:57:25,653 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 221 transitions. Word has length 159 [2020-10-23 23:57:25,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:57:25,656 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 221 transitions. [2020-10-23 23:57:25,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 23:57:25,656 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 221 transitions. [2020-10-23 23:57:25,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-23 23:57:25,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:57:25,665 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] [2020-10-23 23:57:25,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 23:57:25,666 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:57:25,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:57:25,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1948594019, now seen corresponding path program 1 times [2020-10-23 23:57:25,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:57:25,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1483296971] [2020-10-23 23:57:25,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:57:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:26,227 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:57:26,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:57:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:26,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:57:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:26,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:57:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:26,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:57:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:26,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:57:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:26,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-23 23:57:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:26,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-23 23:57:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:26,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-23 23:57:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:26,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:57:26,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1483296971] [2020-10-23 23:57:26,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:57:26,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 23:57:26,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451460786] [2020-10-23 23:57:26,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 23:57:26,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:57:26,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 23:57:26,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 23:57:26,323 INFO L87 Difference]: Start difference. First operand 207 states and 221 transitions. Second operand 4 states. [2020-10-23 23:57:27,163 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:57:27,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:57:27,879 INFO L93 Difference]: Finished difference Result 289 states and 320 transitions. [2020-10-23 23:57:27,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 23:57:27,879 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-10-23 23:57:27,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:57:27,883 INFO L225 Difference]: With dead ends: 289 [2020-10-23 23:57:27,883 INFO L226 Difference]: Without dead ends: 227 [2020-10-23 23:57:27,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 23:57:27,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-23 23:57:27,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 197. [2020-10-23 23:57:27,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-23 23:57:27,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 208 transitions. [2020-10-23 23:57:27,981 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 208 transitions. Word has length 160 [2020-10-23 23:57:27,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:57:27,982 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 208 transitions. [2020-10-23 23:57:27,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 23:57:27,982 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 208 transitions. [2020-10-23 23:57:27,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-23 23:57:27,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:57:27,985 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] [2020-10-23 23:57:27,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 23:57:27,985 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:57:27,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:57:27,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1567959505, now seen corresponding path program 1 times [2020-10-23 23:57:27,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:57:27,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531534727] [2020-10-23 23:57:27,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:57:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:28,462 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:57:28,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:57:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:28,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:57:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:28,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:57:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:28,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:57:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:28,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:57:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:28,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 23:57:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:28,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 23:57:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:28,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-23 23:57:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:28,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:57:28,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531534727] [2020-10-23 23:57:28,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:57:28,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 23:57:28,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979542938] [2020-10-23 23:57:28,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 23:57:28,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:57:28,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 23:57:28,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 23:57:28,740 INFO L87 Difference]: Start difference. First operand 197 states and 208 transitions. Second operand 9 states. [2020-10-23 23:57:29,421 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:57:29,904 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:57:30,313 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:57:30,719 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:31,102 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:57:31,491 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:32,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:57:32,787 INFO L93 Difference]: Finished difference Result 309 states and 345 transitions. [2020-10-23 23:57:32,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 23:57:32,788 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 169 [2020-10-23 23:57:32,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:57:32,792 INFO L225 Difference]: With dead ends: 309 [2020-10-23 23:57:32,792 INFO L226 Difference]: Without dead ends: 227 [2020-10-23 23:57:32,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-23 23:57:32,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-23 23:57:32,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 197. [2020-10-23 23:57:32,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-23 23:57:32,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 207 transitions. [2020-10-23 23:57:32,863 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 207 transitions. Word has length 169 [2020-10-23 23:57:32,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:57:32,864 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 207 transitions. [2020-10-23 23:57:32,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 23:57:32,864 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 207 transitions. [2020-10-23 23:57:32,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-23 23:57:32,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:57:32,867 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] [2020-10-23 23:57:32,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 23:57:32,867 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:57:32,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:57:32,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1990614304, now seen corresponding path program 1 times [2020-10-23 23:57:32,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:57:32,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392944495] [2020-10-23 23:57:32,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:57:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:33,277 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:57:33,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:57:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:33,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:57:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:33,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:57:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:33,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:57:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:33,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:57:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:33,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-23 23:57:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:33,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 23:57:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:33,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-23 23:57:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:33,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-23 23:57:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:33,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:57:33,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392944495] [2020-10-23 23:57:33,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:57:33,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 23:57:33,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557521111] [2020-10-23 23:57:33,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 23:57:33,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:57:33,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 23:57:33,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-23 23:57:33,433 INFO L87 Difference]: Start difference. First operand 197 states and 207 transitions. Second operand 8 states. [2020-10-23 23:57:34,162 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:57:35,698 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:36,099 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:57:36,522 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:37,014 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:57:37,403 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:57:37,823 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:38,221 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:38,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:57:38,604 INFO L93 Difference]: Finished difference Result 375 states and 424 transitions. [2020-10-23 23:57:38,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 23:57:38,605 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 172 [2020-10-23 23:57:38,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:57:38,611 INFO L225 Difference]: With dead ends: 375 [2020-10-23 23:57:38,611 INFO L226 Difference]: Without dead ends: 293 [2020-10-23 23:57:38,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-23 23:57:38,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-10-23 23:57:38,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 268. [2020-10-23 23:57:38,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-10-23 23:57:38,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 290 transitions. [2020-10-23 23:57:38,730 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 290 transitions. Word has length 172 [2020-10-23 23:57:38,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:57:38,731 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 290 transitions. [2020-10-23 23:57:38,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 23:57:38,732 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 290 transitions. [2020-10-23 23:57:38,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-23 23:57:38,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:57:38,735 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] [2020-10-23 23:57:38,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 23:57:38,736 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:57:38,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:57:38,736 INFO L82 PathProgramCache]: Analyzing trace with hash -509369719, now seen corresponding path program 1 times [2020-10-23 23:57:38,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:57:38,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1527657237] [2020-10-23 23:57:38,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:57:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:57:38,814 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:57:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:57:38,891 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:57:39,094 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 23:57:39,094 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 23:57:39,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 23:57:39,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:57:39 BoogieIcfgContainer [2020-10-23 23:57:39,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 23:57:39,401 INFO L168 Benchmark]: Toolchain (without parser) took 19159.97 ms. Allocated memory was 151.0 MB in the beginning and 399.5 MB in the end (delta: 248.5 MB). Free memory was 107.1 MB in the beginning and 338.7 MB in the end (delta: -231.6 MB). Peak memory consumption was 226.3 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:39,402 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 124.1 MB in the end (delta: 435.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 23:57:39,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.05 ms. Allocated memory is still 151.0 MB. Free memory was 106.3 MB in the beginning and 127.8 MB in the end (delta: -21.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:39,409 INFO L168 Benchmark]: Boogie Preprocessor took 92.10 ms. Allocated memory is still 151.0 MB. Free memory was 127.8 MB in the beginning and 124.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:39,410 INFO L168 Benchmark]: RCFGBuilder took 1655.16 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 78.4 MB in the end (delta: 45.2 MB). Peak memory consumption was 51.5 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:39,411 INFO L168 Benchmark]: TraceAbstraction took 16800.55 ms. Allocated memory was 151.0 MB in the beginning and 399.5 MB in the end (delta: 248.5 MB). Free memory was 77.9 MB in the beginning and 338.7 MB in the end (delta: -260.9 MB). Peak memory consumption was 195.9 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:39,415 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 124.1 MB in the end (delta: 435.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 597.05 ms. Allocated memory is still 151.0 MB. Free memory was 106.3 MB in the beginning and 127.8 MB in the end (delta: -21.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 92.10 ms. Allocated memory is still 151.0 MB. Free memory was 127.8 MB in the beginning and 124.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1655.16 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 78.4 MB in the end (delta: 45.2 MB). Peak memory consumption was 51.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16800.55 ms. Allocated memory was 151.0 MB in the beginning and 399.5 MB in the end (delta: 248.5 MB). Free memory was 77.9 MB in the beginning and 338.7 MB in the end (delta: -260.9 MB). Peak memory consumption was 195.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={182:171}, methaneLevelCritical=151, pumpRunning=142, systemActive=141, waterLevel=145] [L226] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={182:171}, methaneLevelCritical=151, pumpRunning=0, systemActive=141, waterLevel=145] [L227] int systemActive = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={182:171}, methaneLevelCritical=151, pumpRunning=0, systemActive=1, waterLevel=145] [L591] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=151, pumpRunning=0, systemActive=1, waterLevel=145] [L788] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=151, pumpRunning=0, systemActive=1, waterLevel=1] [L789] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L124] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L129] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L413] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L416] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L417] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L130] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L130] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L132] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L134] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L135] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L114] CALL test() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L156] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L157] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L158] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L159] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L160] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L163] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L165] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L167] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L173] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L175] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L177] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L806] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L807] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L177] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L183] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L185] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L193] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L195] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L208] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L234] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L241] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L243] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L249] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L354] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L355] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L356] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L360] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L827] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L830] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L831] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L360] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L360] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L362] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L366] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L859] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L862] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L863] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L366] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L366] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L368] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L370] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L307] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L310] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L311] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L370] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L370] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L372] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L376] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L150] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product09.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 600 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 16.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 759 SDtfs, 704 SDslu, 1104 SDs, 0 SdLazy, 1745 SolverSat, 231 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 122 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 837 NumberOfCodeBlocks, 837 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 656 ConstructedInterpolants, 0 QuantifiedInterpolants, 279520 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...