/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 03:28:06,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 03:28:06,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 03:28:06,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 03:28:06,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 03:28:06,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 03:28:06,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 03:28:06,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 03:28:06,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 03:28:06,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 03:28:06,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 03:28:06,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 03:28:06,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 03:28:06,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 03:28:06,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 03:28:06,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 03:28:06,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 03:28:06,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 03:28:06,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 03:28:06,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 03:28:06,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 03:28:06,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 03:28:06,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 03:28:06,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 03:28:06,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 03:28:06,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 03:28:06,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 03:28:06,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 03:28:06,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 03:28:06,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 03:28:06,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 03:28:06,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 03:28:06,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 03:28:06,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 03:28:06,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 03:28:06,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 03:28:06,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 03:28:06,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 03:28:06,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 03:28:06,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 03:28:06,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 03:28:06,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 03:28:06,766 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 03:28:06,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 03:28:06,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 03:28:06,772 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 03:28:06,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 03:28:06,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 03:28:06,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 03:28:06,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 03:28:06,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 03:28:06,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 03:28:06,775 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 03:28:06,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 03:28:06,775 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 03:28:06,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 03:28:06,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 03:28:06,776 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 03:28:06,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 03:28:06,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 03:28:06,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 03:28:06,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 03:28:06,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 03:28:06,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 03:28:06,777 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 03:28:06,778 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 03:28:07,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 03:28:07,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 03:28:07,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 03:28:07,207 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 03:28:07,208 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 03:28:07,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product21.cil.c [2021-02-24 03:28:07,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6bef2f45/cc08c8885e024eda8afa56ff34713c41/FLAG3144a91f5 [2021-02-24 03:28:08,062 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 03:28:08,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product21.cil.c [2021-02-24 03:28:08,077 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6bef2f45/cc08c8885e024eda8afa56ff34713c41/FLAG3144a91f5 [2021-02-24 03:28:08,316 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6bef2f45/cc08c8885e024eda8afa56ff34713c41 [2021-02-24 03:28:08,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 03:28:08,336 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 03:28:08,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 03:28:08,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 03:28:08,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 03:28:08,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:28:08" (1/1) ... [2021-02-24 03:28:08,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1599e3d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:28:08, skipping insertion in model container [2021-02-24 03:28:08,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:28:08" (1/1) ... [2021-02-24 03:28:08,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 03:28:08,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 03:28:08,740 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product21.cil.c[13493,13506] [2021-02-24 03:28:08,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:28:08,792 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 03:28:08,931 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product21.cil.c[13493,13506] [2021-02-24 03:28:08,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:28:08,996 INFO L208 MainTranslator]: Completed translation [2021-02-24 03:28:08,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:28:08 WrapperNode [2021-02-24 03:28:08,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 03:28:08,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 03:28:08,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 03:28:08,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 03:28:09,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:28:08" (1/1) ... [2021-02-24 03:28:09,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:28:08" (1/1) ... [2021-02-24 03:28:09,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:28:08" (1/1) ... [2021-02-24 03:28:09,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:28:08" (1/1) ... [2021-02-24 03:28:09,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:28:08" (1/1) ... [2021-02-24 03:28:09,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:28:08" (1/1) ... [2021-02-24 03:28:09,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:28:08" (1/1) ... [2021-02-24 03:28:09,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 03:28:09,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 03:28:09,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 03:28:09,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 03:28:09,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:28:08" (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 [2021-02-24 03:28:09,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 03:28:09,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 03:28:09,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-24 03:28:09,325 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 03:28:09,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-24 03:28:09,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-24 03:28:09,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-24 03:28:09,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-24 03:28:09,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-24 03:28:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-24 03:28:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-24 03:28:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-24 03:28:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-02-24 03:28:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-24 03:28:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-24 03:28:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-24 03:28:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-24 03:28:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-24 03:28:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-24 03:28:09,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-24 03:28:09,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-24 03:28:09,334 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-24 03:28:09,334 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-24 03:28:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-24 03:28:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-24 03:28:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-24 03:28:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-24 03:28:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-24 03:28:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-24 03:28:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-24 03:28:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-24 03:28:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-24 03:28:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-24 03:28:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 03:28:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2021-02-24 03:28:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-24 03:28:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-24 03:28:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-24 03:28:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-24 03:28:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 03:28:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 03:28:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 03:28:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 03:28:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 03:28:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-24 03:28:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 03:28:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 03:28:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-24 03:28:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 03:28:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 03:28:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 03:28:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 03:28:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-24 03:28:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 03:28:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-24 03:28:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-24 03:28:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 03:28:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-24 03:28:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-24 03:28:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-24 03:28:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-24 03:28:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-24 03:28:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-24 03:28:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-24 03:28:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-24 03:28:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-24 03:28:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-24 03:28:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-24 03:28:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-24 03:28:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2021-02-24 03:28:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-24 03:28:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-24 03:28:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-24 03:28:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-02-24 03:28:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-24 03:28:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-24 03:28:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-24 03:28:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-24 03:28:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-24 03:28:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-24 03:28:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-24 03:28:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-24 03:28:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-24 03:28:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-24 03:28:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-24 03:28:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-24 03:28:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-24 03:28:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 03:28:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-24 03:28:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 03:28:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 03:28:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 03:28:10,874 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 03:28:10,874 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-24 03:28:10,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:28:10 BoogieIcfgContainer [2021-02-24 03:28:10,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 03:28:10,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 03:28:10,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 03:28:10,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 03:28:10,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 03:28:08" (1/3) ... [2021-02-24 03:28:10,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254c2b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:28:10, skipping insertion in model container [2021-02-24 03:28:10,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:28:08" (2/3) ... [2021-02-24 03:28:10,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254c2b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:28:10, skipping insertion in model container [2021-02-24 03:28:10,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:28:10" (3/3) ... [2021-02-24 03:28:10,887 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product21.cil.c [2021-02-24 03:28:10,894 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 03:28:10,900 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 03:28:10,920 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 03:28:10,946 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 03:28:10,946 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 03:28:10,946 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 03:28:10,946 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 03:28:10,947 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 03:28:10,947 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 03:28:10,947 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 03:28:10,947 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 03:28:10,970 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2021-02-24 03:28:10,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-02-24 03:28:10,993 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:28:10,994 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] [2021-02-24 03:28:10,994 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:28:11,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:28:11,001 INFO L82 PathProgramCache]: Analyzing trace with hash -843989000, now seen corresponding path program 1 times [2021-02-24 03:28:11,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:28:11,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1851178443] [2021-02-24 03:28:11,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:28:11,106 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:28:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:11,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:11,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:11,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:11,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:11,923 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:28:11,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:28:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:12,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:12,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:12,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:28:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:12,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:12,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:12,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:28:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:12,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:12,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:12,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:28:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:12,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:12,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:12,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:28:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:12,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:12,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:12,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-24 03:28:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:12,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:12,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:12,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-24 03:28:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:12,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:12,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:12,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-24 03:28:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:12,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:12,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:12,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:28:12,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1851178443] [2021-02-24 03:28:12,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:28:12,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-24 03:28:12,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411575455] [2021-02-24 03:28:12,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-24 03:28:12,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:28:12,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-24 03:28:12,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 03:28:12,196 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2021-02-24 03:28:14,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:28:14,034 INFO L93 Difference]: Finished difference Result 483 states and 576 transitions. [2021-02-24 03:28:14,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-24 03:28:14,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2021-02-24 03:28:14,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:28:14,067 INFO L225 Difference]: With dead ends: 483 [2021-02-24 03:28:14,067 INFO L226 Difference]: Without dead ends: 301 [2021-02-24 03:28:14,076 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 [2021-02-24 03:28:14,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-02-24 03:28:14,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 260. [2021-02-24 03:28:14,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2021-02-24 03:28:14,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 283 transitions. [2021-02-24 03:28:14,323 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 283 transitions. Word has length 158 [2021-02-24 03:28:14,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:28:14,326 INFO L480 AbstractCegarLoop]: Abstraction has 260 states and 283 transitions. [2021-02-24 03:28:14,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-24 03:28:14,327 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 283 transitions. [2021-02-24 03:28:14,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-02-24 03:28:14,342 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:28:14,342 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] [2021-02-24 03:28:14,343 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 03:28:14,343 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:28:14,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:28:14,344 INFO L82 PathProgramCache]: Analyzing trace with hash 32784274, now seen corresponding path program 1 times [2021-02-24 03:28:14,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:28:14,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [428283494] [2021-02-24 03:28:14,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:28:14,354 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:28:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:14,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:14,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:14,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:14,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:28:14,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:14,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:14,875 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:28:14,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:28:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:14,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:14,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:14,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:28:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:14,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:14,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:14,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:28:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:14,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:14,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:14,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:28:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:14,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:14,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:14,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:28:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:14,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:14,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:14,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-02-24 03:28:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:14,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:14,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:14,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-24 03:28:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:14,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:14,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:14,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-02-24 03:28:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:14,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:14,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:15,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:28:15,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [428283494] [2021-02-24 03:28:15,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:28:15,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 03:28:15,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880876275] [2021-02-24 03:28:15,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 03:28:15,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:28:15,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 03:28:15,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 03:28:15,008 INFO L87 Difference]: Start difference. First operand 260 states and 283 transitions. Second operand 4 states. [2021-02-24 03:28:15,794 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:28:16,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:28:16,966 INFO L93 Difference]: Finished difference Result 399 states and 450 transitions. [2021-02-24 03:28:16,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-24 03:28:16,968 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 159 [2021-02-24 03:28:16,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:28:16,978 INFO L225 Difference]: With dead ends: 399 [2021-02-24 03:28:16,978 INFO L226 Difference]: Without dead ends: 284 [2021-02-24 03:28:16,984 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 [2021-02-24 03:28:16,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-02-24 03:28:17,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 250. [2021-02-24 03:28:17,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-02-24 03:28:17,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 270 transitions. [2021-02-24 03:28:17,092 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 270 transitions. Word has length 159 [2021-02-24 03:28:17,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:28:17,093 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 270 transitions. [2021-02-24 03:28:17,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 03:28:17,093 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 270 transitions. [2021-02-24 03:28:17,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-02-24 03:28:17,096 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:28:17,096 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] [2021-02-24 03:28:17,097 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 03:28:17,097 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:28:17,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:28:17,098 INFO L82 PathProgramCache]: Analyzing trace with hash 98733047, now seen corresponding path program 1 times [2021-02-24 03:28:17,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:28:17,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1914619122] [2021-02-24 03:28:17,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:28:17,102 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:28:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:17,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:17,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:28:17,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:17,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:28:17,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:17,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:28:17,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:17,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:28:17,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:17,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:17,602 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:28:17,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:28:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:17,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:17,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:17,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:17,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:28:17,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:28:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:17,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:17,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:17,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:28:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:17,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:17,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:17,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:28:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:17,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:17,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:17,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:17,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:28:17,740 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-24 03:28:17,741 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-24 03:28:17,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:28:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:17,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:17,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:17,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-24 03:28:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:17,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:17,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:17,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-24 03:28:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:17,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:17,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:17,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-24 03:28:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:17,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:17,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:17,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:28:17,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1914619122] [2021-02-24 03:28:17,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:28:17,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-24 03:28:17,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628091665] [2021-02-24 03:28:17,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-24 03:28:17,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:28:17,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-24 03:28:17,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-02-24 03:28:17,846 INFO L87 Difference]: Start difference. First operand 250 states and 270 transitions. Second operand 9 states. [2021-02-24 03:28:18,477 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-24 03:28:18,924 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:28:19,291 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:28:19,663 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:28:20,030 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:28:20,406 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:28:22,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:28:22,125 INFO L93 Difference]: Finished difference Result 419 states and 475 transitions. [2021-02-24 03:28:22,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-24 03:28:22,126 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 168 [2021-02-24 03:28:22,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:28:22,129 INFO L225 Difference]: With dead ends: 419 [2021-02-24 03:28:22,129 INFO L226 Difference]: Without dead ends: 284 [2021-02-24 03:28:22,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-02-24 03:28:22,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-02-24 03:28:22,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 250. [2021-02-24 03:28:22,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-02-24 03:28:22,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 269 transitions. [2021-02-24 03:28:22,234 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 269 transitions. Word has length 168 [2021-02-24 03:28:22,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:28:22,235 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 269 transitions. [2021-02-24 03:28:22,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-24 03:28:22,235 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 269 transitions. [2021-02-24 03:28:22,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-02-24 03:28:22,238 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:28:22,239 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, 1, 1, 1, 1] [2021-02-24 03:28:22,239 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 03:28:22,239 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:28:22,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:28:22,240 INFO L82 PathProgramCache]: Analyzing trace with hash 345662228, now seen corresponding path program 1 times [2021-02-24 03:28:22,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:28:22,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877673645] [2021-02-24 03:28:22,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:28:22,245 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:28:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:22,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:28:22,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:28:22,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:28:22,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:28:22,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:28:22,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:28:22,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:28:22,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:22,639 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:28:22,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:28:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:22,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:22,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:28:22,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:28:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:22,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:22,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:28:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:22,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:22,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:28:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:22,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:22,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:28:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:22,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:22,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-02-24 03:28:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:22,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:22,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:28:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:22,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:22,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:28:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:22,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:22,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-24 03:28:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:22,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:22,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-02-24 03:28:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:22,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:22,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:28:22,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:28:22,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-02-24 03:28:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:28:22,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:28:22,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:28:22,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:28:22,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877673645] [2021-02-24 03:28:22,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:28:22,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-24 03:28:22,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635930663] [2021-02-24 03:28:22,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-24 03:28:22,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:28:22,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-24 03:28:22,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-02-24 03:28:22,872 INFO L87 Difference]: Start difference. First operand 250 states and 269 transitions. Second operand 9 states. [2021-02-24 03:28:23,573 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-24 03:28:26,088 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:28:26,508 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:28:26,875 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:28:27,231 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:28:27,587 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:28:28,157 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-24 03:28:28,540 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:28:28,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:28:28,939 INFO L93 Difference]: Finished difference Result 591 states and 699 transitions. [2021-02-24 03:28:28,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-24 03:28:28,940 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 181 [2021-02-24 03:28:28,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:28:28,945 INFO L225 Difference]: With dead ends: 591 [2021-02-24 03:28:28,945 INFO L226 Difference]: Without dead ends: 456 [2021-02-24 03:28:28,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-02-24 03:28:28,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2021-02-24 03:28:29,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 379. [2021-02-24 03:28:29,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2021-02-24 03:28:29,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 421 transitions. [2021-02-24 03:28:29,114 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 421 transitions. Word has length 181 [2021-02-24 03:28:29,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:28:29,115 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 421 transitions. [2021-02-24 03:28:29,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-24 03:28:29,115 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 421 transitions. [2021-02-24 03:28:29,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-02-24 03:28:29,118 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:28:29,119 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:28:29,119 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 03:28:29,119 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:28:29,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:28:29,120 INFO L82 PathProgramCache]: Analyzing trace with hash -88277322, now seen corresponding path program 1 times [2021-02-24 03:28:29,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:28:29,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [647871817] [2021-02-24 03:28:29,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:28:29,123 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:28:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 03:28:29,213 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 03:28:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 03:28:29,299 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 03:28:29,537 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-24 03:28:29,537 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-24 03:28:29,539 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 03:28:29,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 03:28:29 BoogieIcfgContainer [2021-02-24 03:28:29,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 03:28:29,571 INFO L168 Benchmark]: Toolchain (without parser) took 21248.03 ms. Allocated memory was 167.8 MB in the beginning and 458.2 MB in the end (delta: 290.5 MB). Free memory was 144.0 MB in the beginning and 341.6 MB in the end (delta: -197.6 MB). Peak memory consumption was 93.1 MB. Max. memory is 8.0 GB. [2021-02-24 03:28:29,571 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 167.8 MB. Free memory is still 140.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 03:28:29,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.21 ms. Allocated memory is still 167.8 MB. Free memory was 142.8 MB in the beginning and 122.3 MB in the end (delta: 20.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-24 03:28:29,572 INFO L168 Benchmark]: Boogie Preprocessor took 174.07 ms. Allocated memory is still 167.8 MB. Free memory was 122.3 MB in the beginning and 118.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-24 03:28:29,573 INFO L168 Benchmark]: RCFGBuilder took 1701.79 ms. Allocated memory was 167.8 MB in the beginning and 201.3 MB in the end (delta: 33.6 MB). Free memory was 118.4 MB in the beginning and 134.1 MB in the end (delta: -15.8 MB). Peak memory consumption was 28.0 MB. Max. memory is 8.0 GB. [2021-02-24 03:28:29,574 INFO L168 Benchmark]: TraceAbstraction took 18689.65 ms. Allocated memory was 201.3 MB in the beginning and 458.2 MB in the end (delta: 256.9 MB). Free memory was 133.6 MB in the beginning and 341.6 MB in the end (delta: -208.0 MB). Peak memory consumption was 48.4 MB. Max. memory is 8.0 GB. [2021-02-24 03:28:29,577 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 167.8 MB. Free memory is still 140.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 657.21 ms. Allocated memory is still 167.8 MB. Free memory was 142.8 MB in the beginning and 122.3 MB in the end (delta: 20.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 174.07 ms. Allocated memory is still 167.8 MB. Free memory was 122.3 MB in the beginning and 118.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1701.79 ms. Allocated memory was 167.8 MB in the beginning and 201.3 MB in the end (delta: 33.6 MB). Free memory was 118.4 MB in the beginning and 134.1 MB in the end (delta: -15.8 MB). Peak memory consumption was 28.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18689.65 ms. Allocated memory was 201.3 MB in the beginning and 458.2 MB in the end (delta: 256.9 MB). Free memory was 133.6 MB in the beginning and 341.6 MB in the end (delta: -208.0 MB). Peak memory consumption was 48.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 600]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L417] int pumpRunning = 0; [L418] int systemActive = 1; [L674] int waterLevel = 1; [L675] int methaneLevelCritical = 0; [L763] int cleanupTimeShifts = 4; [L839] int retValue_acc ; [L840] int tmp ; [L844] FCALL select_helpers() [L845] FCALL select_features() [L846] CALL, EXPR valid_product() [L922] int retValue_acc ; [L925] retValue_acc = 1 [L926] return (retValue_acc); [L846] RET, EXPR valid_product() [L846] tmp = valid_product() [L848] COND TRUE \read(tmp) [L850] FCALL setup() [L851] CALL runTest() [L830] CALL test() [L609] int splverifierCounter ; [L610] int tmp ; [L611] int tmp___0 ; [L612] int tmp___1 ; [L613] int tmp___2 ; [L616] splverifierCounter = 0 [L618] COND TRUE 1 [L620] COND TRUE splverifierCounter < 4 [L626] tmp = __VERIFIER_nondet_int() [L628] COND TRUE \read(tmp) [L630] CALL waterRise() [L692] COND TRUE waterLevel < 2 [L693] waterLevel = waterLevel + 1 [L630] RET waterRise() [L636] tmp___0 = __VERIFIER_nondet_int() [L638] COND FALSE !(\read(tmp___0)) [L646] tmp___2 = __VERIFIER_nondet_int() [L648] COND TRUE \read(tmp___2) [L661] CALL timeShift() [L425] COND FALSE !(\read(pumpRunning)) [L432] COND TRUE \read(systemActive) [L434] CALL processEnvironment() [L480] int tmp ; [L483] COND FALSE !(\read(pumpRunning)) [L498] CALL processEnvironment__wrappee__lowWaterSensor() [L454] int tmp ; [L457] COND FALSE !(\read(pumpRunning)) [L472] FCALL processEnvironment__wrappee__base() [L498] RET processEnvironment__wrappee__lowWaterSensor() [L434] RET processEnvironment() [L440] CALL __utac_acc__Specification3_spec__1() [L863] int tmp ; [L864] int tmp___0 ; [L865] int tmp___1 ; [L869] CALL, EXPR isMethaneLevelCritical() [L713] int retValue_acc ; [L716] retValue_acc = methaneLevelCritical [L717] return (retValue_acc); [L869] RET, EXPR isMethaneLevelCritical() [L869] tmp = isMethaneLevelCritical() [L871] COND FALSE !(\read(tmp)) [L875] CALL, EXPR getWaterLevel() [L745] int retValue_acc ; [L748] retValue_acc = waterLevel [L749] return (retValue_acc); [L875] RET, EXPR getWaterLevel() [L875] tmp___0 = getWaterLevel() [L877] COND TRUE tmp___0 == 2 [L879] CALL, EXPR isPumpRunning() [L532] int retValue_acc ; [L535] retValue_acc = pumpRunning [L536] return (retValue_acc); [L879] RET, EXPR isPumpRunning() [L879] tmp___1 = isPumpRunning() [L881] COND FALSE !(\read(tmp___1)) [L885] CALL __automaton_fail() [L600] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 630 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 14.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 954 SDtfs, 1178 SDslu, 1183 SDs, 0 SdLazy, 2573 SolverSat, 387 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=379occurred 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, 186 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...