/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/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 16:23:22,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 16:23:22,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 16:23:22,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 16:23:22,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 16:23:22,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 16:23:22,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 16:23:22,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 16:23:22,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 16:23:22,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 16:23:22,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 16:23:22,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 16:23:22,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 16:23:22,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 16:23:22,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 16:23:22,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 16:23:22,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 16:23:22,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 16:23:22,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 16:23:22,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 16:23:22,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 16:23:22,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 16:23:22,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 16:23:22,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 16:23:22,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 16:23:22,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 16:23:22,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 16:23:22,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 16:23:22,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 16:23:22,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 16:23:22,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 16:23:22,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 16:23:22,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 16:23:22,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 16:23:22,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 16:23:22,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 16:23:22,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 16:23:22,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 16:23:22,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 16:23:22,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 16:23:22,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 16:23:22,882 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 16:23:22,894 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 16:23:22,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 16:23:22,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 16:23:22,896 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 16:23:22,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 16:23:22,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 16:23:22,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 16:23:22,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 16:23:22,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 16:23:22,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 16:23:22,898 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 16:23:22,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 16:23:22,898 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 16:23:22,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 16:23:22,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 16:23:22,899 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 16:23:22,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 16:23:22,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 16:23:22,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 16:23:22,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 16:23:22,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 16:23:22,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 16:23:22,901 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 16:23:23,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 16:23:23,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 16:23:23,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 16:23:23,315 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 16:23:23,316 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 16:23:23,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product18.cil.c [2021-02-23 16:23:23,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/359e2c392/d572b068156e476c9de869d6039f5b0d/FLAGc30d15598 [2021-02-23 16:23:24,156 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 16:23:24,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product18.cil.c [2021-02-23 16:23:24,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/359e2c392/d572b068156e476c9de869d6039f5b0d/FLAGc30d15598 [2021-02-23 16:23:24,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/359e2c392/d572b068156e476c9de869d6039f5b0d [2021-02-23 16:23:24,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 16:23:24,421 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 16:23:24,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 16:23:24,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 16:23:24,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 16:23:24,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 04:23:24" (1/1) ... [2021-02-23 16:23:24,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae4c07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:23:24, skipping insertion in model container [2021-02-23 16:23:24,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 04:23:24" (1/1) ... [2021-02-23 16:23:24,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 16:23:24,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 16:23:24,812 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_product18.cil.c[17464,17477] [2021-02-23 16:23:24,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 16:23:24,826 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 16:23:24,944 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_product18.cil.c[17464,17477] [2021-02-23 16:23:24,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 16:23:24,979 INFO L208 MainTranslator]: Completed translation [2021-02-23 16:23:24,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:23:24 WrapperNode [2021-02-23 16:23:24,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 16:23:24,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 16:23:24,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 16:23:24,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 16:23:25,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:23:24" (1/1) ... [2021-02-23 16:23:25,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:23:24" (1/1) ... [2021-02-23 16:23:25,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:23:24" (1/1) ... [2021-02-23 16:23:25,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:23:24" (1/1) ... [2021-02-23 16:23:25,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:23:24" (1/1) ... [2021-02-23 16:23:25,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:23:24" (1/1) ... [2021-02-23 16:23:25,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:23:24" (1/1) ... [2021-02-23 16:23:25,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 16:23:25,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 16:23:25,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 16:23:25,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 16:23:25,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:23:24" (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 [2021-02-23 16:23:25,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 16:23:25,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 16:23:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-23 16:23:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 16:23:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-23 16:23:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-23 16:23:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-23 16:23:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-23 16:23:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 16:23:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-23 16:23:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-23 16:23:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-23 16:23:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-23 16:23:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-23 16:23:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-23 16:23:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-23 16:23:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-23 16:23:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-23 16:23:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-23 16:23:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-23 16:23:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-23 16:23:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-23 16:23:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-23 16:23:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-23 16:23:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-23 16:23:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-23 16:23:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-23 16:23:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-23 16:23:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-23 16:23:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-23 16:23:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-23 16:23:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-23 16:23:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-23 16:23:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-23 16:23:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-23 16:23:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-23 16:23:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-23 16:23:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2021-02-23 16:23:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-23 16:23:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 16:23:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 16:23:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 16:23:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 16:23:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 16:23:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-23 16:23:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-23 16:23:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-23 16:23:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-23 16:23:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-23 16:23:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-23 16:23:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-23 16:23:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-23 16:23:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-23 16:23:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-23 16:23:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-23 16:23:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-23 16:23:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-23 16:23:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 16:23:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-23 16:23:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-23 16:23:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-23 16:23:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-23 16:23:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-23 16:23:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 16:23:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 16:23:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-23 16:23:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 16:23:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 16:23:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 16:23:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 16:23:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-23 16:23:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 16:23:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-23 16:23:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-23 16:23:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 16:23:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-23 16:23:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-23 16:23:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-23 16:23:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-23 16:23:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-23 16:23:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-23 16:23:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-23 16:23:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2021-02-23 16:23:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-23 16:23:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-23 16:23:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-23 16:23:25,275 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-23 16:23:25,275 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-23 16:23:25,275 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-23 16:23:25,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 16:23:25,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 16:23:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 16:23:26,767 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 16:23:26,768 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-23 16:23:26,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 04:23:26 BoogieIcfgContainer [2021-02-23 16:23:26,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 16:23:26,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 16:23:26,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 16:23:26,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 16:23:26,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 04:23:24" (1/3) ... [2021-02-23 16:23:26,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33786dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 04:23:26, skipping insertion in model container [2021-02-23 16:23:26,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:23:24" (2/3) ... [2021-02-23 16:23:26,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33786dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 04:23:26, skipping insertion in model container [2021-02-23 16:23:26,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 04:23:26" (3/3) ... [2021-02-23 16:23:26,787 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product18.cil.c [2021-02-23 16:23:26,794 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 16:23:26,800 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 16:23:26,819 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 16:23:26,854 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 16:23:26,854 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 16:23:26,854 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 16:23:26,854 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 16:23:26,855 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 16:23:26,855 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 16:23:26,856 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 16:23:26,856 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 16:23:26,891 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2021-02-23 16:23:26,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-02-23 16:23:26,910 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:23:26,911 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] [2021-02-23 16:23:26,912 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:23:26,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:23:26,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1003970659, now seen corresponding path program 1 times [2021-02-23 16:23:26,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:23:26,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [932386743] [2021-02-23 16:23:26,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:23:27,011 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:23:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:27,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:27,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:27,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:27,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:27,837 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 16:23:27,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:23:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:27,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:27,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:28,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 16:23:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:28,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:28,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:28,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 16:23:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:28,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:28,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:28,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 16:23:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:28,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:28,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:28,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 16:23:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:28,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:28,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:28,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 16:23:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:28,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:28,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:28,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-23 16:23:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:28,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:28,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:28,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-23 16:23:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:28,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:28,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:28,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:23:28,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [932386743] [2021-02-23 16:23:28,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:23:28,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-23 16:23:28,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783875367] [2021-02-23 16:23:28,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-23 16:23:28,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:23:28,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-23 16:23:28,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 16:23:28,163 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 3 states. [2021-02-23 16:23:29,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:23:29,883 INFO L93 Difference]: Finished difference Result 450 states and 533 transitions. [2021-02-23 16:23:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-23 16:23:29,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2021-02-23 16:23:29,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:23:29,901 INFO L225 Difference]: With dead ends: 450 [2021-02-23 16:23:29,902 INFO L226 Difference]: Without dead ends: 284 [2021-02-23 16:23:29,907 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 [2021-02-23 16:23:29,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-02-23 16:23:30,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 244. [2021-02-23 16:23:30,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2021-02-23 16:23:30,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 262 transitions. [2021-02-23 16:23:30,086 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 262 transitions. Word has length 158 [2021-02-23 16:23:30,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:23:30,087 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 262 transitions. [2021-02-23 16:23:30,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-23 16:23:30,087 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 262 transitions. [2021-02-23 16:23:30,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-02-23 16:23:30,093 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:23:30,093 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] [2021-02-23 16:23:30,094 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 16:23:30,094 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:23:30,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:23:30,095 INFO L82 PathProgramCache]: Analyzing trace with hash -691098209, now seen corresponding path program 1 times [2021-02-23 16:23:30,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:23:30,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [565835811] [2021-02-23 16:23:30,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:23:30,099 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:23:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:30,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:30,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:30,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:30,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:23:30,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:30,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:30,602 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 16:23:30,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:23:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:30,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:30,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:30,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 16:23:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:30,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:30,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:30,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 16:23:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:30,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:30,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:30,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 16:23:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:30,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:30,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:30,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 16:23:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:30,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:30,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:30,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-02-23 16:23:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:30,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:30,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:30,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-23 16:23:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:30,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:30,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:30,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-02-23 16:23:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:30,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:30,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:30,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:23:30,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [565835811] [2021-02-23 16:23:30,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:23:30,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 16:23:30,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098960409] [2021-02-23 16:23:30,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 16:23:30,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:23:30,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 16:23:30,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 16:23:30,724 INFO L87 Difference]: Start difference. First operand 244 states and 262 transitions. Second operand 4 states. [2021-02-23 16:23:31,550 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:23:32,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:23:32,472 INFO L93 Difference]: Finished difference Result 362 states and 403 transitions. [2021-02-23 16:23:32,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 16:23:32,473 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 159 [2021-02-23 16:23:32,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:23:32,478 INFO L225 Difference]: With dead ends: 362 [2021-02-23 16:23:32,478 INFO L226 Difference]: Without dead ends: 267 [2021-02-23 16:23:32,480 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 [2021-02-23 16:23:32,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2021-02-23 16:23:32,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 234. [2021-02-23 16:23:32,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2021-02-23 16:23:32,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 249 transitions. [2021-02-23 16:23:32,598 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 249 transitions. Word has length 159 [2021-02-23 16:23:32,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:23:32,599 INFO L480 AbstractCegarLoop]: Abstraction has 234 states and 249 transitions. [2021-02-23 16:23:32,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 16:23:32,599 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 249 transitions. [2021-02-23 16:23:32,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-02-23 16:23:32,602 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:23:32,602 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] [2021-02-23 16:23:32,602 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 16:23:32,602 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:23:32,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:23:32,603 INFO L82 PathProgramCache]: Analyzing trace with hash 664218796, now seen corresponding path program 1 times [2021-02-23 16:23:32,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:23:32,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [918533829] [2021-02-23 16:23:32,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:23:32,608 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:23:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:32,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:32,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:32,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:32,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:23:32,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:32,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:23:32,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:32,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:32,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:32,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:23:32,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:32,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:33,028 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 16:23:33,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:23:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:33,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:33,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:33,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 16:23:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:33,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:33,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:33,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 16:23:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:33,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:33,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:33,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 16:23:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:33,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:33,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:33,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:33,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:23:33,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:33,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:23:33,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 16:23:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:33,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:33,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:33,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-02-23 16:23:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:33,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:33,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:23:33,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-02-23 16:23:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:33,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:33,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:33,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-02-23 16:23:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:33,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:33,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:33,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-02-23 16:23:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:33,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:33,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:33,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:23:33,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [918533829] [2021-02-23 16:23:33,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:23:33,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 16:23:33,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594657601] [2021-02-23 16:23:33,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 16:23:33,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:23:33,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 16:23:33,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-23 16:23:33,238 INFO L87 Difference]: Start difference. First operand 234 states and 249 transitions. Second operand 10 states. [2021-02-23 16:23:33,828 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 16:23:34,284 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:23:34,646 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 16:23:35,034 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:23:35,390 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:23:35,789 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:23:37,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:23:37,395 INFO L93 Difference]: Finished difference Result 408 states and 465 transitions. [2021-02-23 16:23:37,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 16:23:37,396 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172 [2021-02-23 16:23:37,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:23:37,399 INFO L225 Difference]: With dead ends: 408 [2021-02-23 16:23:37,399 INFO L226 Difference]: Without dead ends: 289 [2021-02-23 16:23:37,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-02-23 16:23:37,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2021-02-23 16:23:37,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 234. [2021-02-23 16:23:37,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2021-02-23 16:23:37,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 248 transitions. [2021-02-23 16:23:37,481 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 248 transitions. Word has length 172 [2021-02-23 16:23:37,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:23:37,481 INFO L480 AbstractCegarLoop]: Abstraction has 234 states and 248 transitions. [2021-02-23 16:23:37,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 16:23:37,482 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 248 transitions. [2021-02-23 16:23:37,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-02-23 16:23:37,484 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:23:37,485 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] [2021-02-23 16:23:37,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 16:23:37,485 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:23:37,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:23:37,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1665480061, now seen corresponding path program 1 times [2021-02-23 16:23:37,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:23:37,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [731193531] [2021-02-23 16:23:37,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:23:37,490 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:23:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:37,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:37,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:23:37,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:37,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:23:37,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:37,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:23:37,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:37,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:23:37,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:37,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:23:37,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:37,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:23:37,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:37,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:23:37,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:37,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:37,971 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 16:23:37,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:23:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:38,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:38,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:38,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:38,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 16:23:38,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 16:23:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:38,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:38,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:38,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 16:23:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:38,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:38,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:38,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 16:23:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:38,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:38,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:38,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 16:23:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:38,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:38,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:38,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-02-23 16:23:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:38,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:38,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:38,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-23 16:23:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:38,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:38,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:38,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:23:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:38,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:38,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:38,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 16:23:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:38,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:38,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:38,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-23 16:23:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:38,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:38,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:38,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:38,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:23:38,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:38,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:23:38,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-02-23 16:23:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:23:38,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:38,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:23:38,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:23:38,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [731193531] [2021-02-23 16:23:38,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:23:38,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 16:23:38,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894240395] [2021-02-23 16:23:38,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 16:23:38,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:23:38,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 16:23:38,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-23 16:23:38,249 INFO L87 Difference]: Start difference. First operand 234 states and 248 transitions. Second operand 10 states. [2021-02-23 16:23:38,905 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 16:23:40,782 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:23:41,170 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:23:41,650 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:23:42,055 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 16:23:42,433 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:23:42,803 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:23:43,224 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 16:23:44,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:23:44,389 INFO L93 Difference]: Finished difference Result 630 states and 772 transitions. [2021-02-23 16:23:44,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-23 16:23:44,390 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 180 [2021-02-23 16:23:44,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:23:44,396 INFO L225 Difference]: With dead ends: 630 [2021-02-23 16:23:44,396 INFO L226 Difference]: Without dead ends: 511 [2021-02-23 16:23:44,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2021-02-23 16:23:44,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2021-02-23 16:23:44,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 345. [2021-02-23 16:23:44,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2021-02-23 16:23:44,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 376 transitions. [2021-02-23 16:23:44,564 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 376 transitions. Word has length 180 [2021-02-23 16:23:44,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:23:44,565 INFO L480 AbstractCegarLoop]: Abstraction has 345 states and 376 transitions. [2021-02-23 16:23:44,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 16:23:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 376 transitions. [2021-02-23 16:23:44,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-02-23 16:23:44,568 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:23:44,568 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] [2021-02-23 16:23:44,569 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 16:23:44,569 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:23:44,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:23:44,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1819967798, now seen corresponding path program 1 times [2021-02-23 16:23:44,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:23:44,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2028690339] [2021-02-23 16:23:44,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:23:44,573 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:23:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 16:23:44,665 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 16:23:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 16:23:44,737 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 16:23:44,941 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-23 16:23:44,942 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 16:23:44,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 16:23:44,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 04:23:44 BoogieIcfgContainer [2021-02-23 16:23:44,965 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 16:23:44,966 INFO L168 Benchmark]: Toolchain (without parser) took 20557.96 ms. Allocated memory was 167.8 MB in the beginning and 420.5 MB in the end (delta: 252.7 MB). Free memory was 123.7 MB in the beginning and 354.2 MB in the end (delta: -230.4 MB). Peak memory consumption was 22.5 MB. Max. memory is 8.0 GB. [2021-02-23 16:23:44,967 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 167.8 MB. Free memory is still 140.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 16:23:44,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.55 ms. Allocated memory is still 167.8 MB. Free memory was 122.6 MB in the beginning and 135.6 MB in the end (delta: -13.0 MB). Peak memory consumption was 8.3 MB. Max. memory is 8.0 GB. [2021-02-23 16:23:44,968 INFO L168 Benchmark]: Boogie Preprocessor took 151.09 ms. Allocated memory is still 167.8 MB. Free memory was 135.6 MB in the beginning and 147.7 MB in the end (delta: -12.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-23 16:23:44,969 INFO L168 Benchmark]: RCFGBuilder took 1641.25 ms. Allocated memory was 167.8 MB in the beginning and 201.3 MB in the end (delta: 33.6 MB). Free memory was 147.7 MB in the beginning and 125.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 56.8 MB. Max. memory is 8.0 GB. [2021-02-23 16:23:44,969 INFO L168 Benchmark]: TraceAbstraction took 18186.58 ms. Allocated memory was 201.3 MB in the beginning and 420.5 MB in the end (delta: 219.2 MB). Free memory was 124.5 MB in the beginning and 354.2 MB in the end (delta: -229.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 16:23:44,972 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 167.8 MB. Free memory is still 140.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 557.55 ms. Allocated memory is still 167.8 MB. Free memory was 122.6 MB in the beginning and 135.6 MB in the end (delta: -13.0 MB). Peak memory consumption was 8.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 151.09 ms. Allocated memory is still 167.8 MB. Free memory was 135.6 MB in the beginning and 147.7 MB in the end (delta: -12.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1641.25 ms. Allocated memory was 167.8 MB in the beginning and 201.3 MB in the end (delta: 33.6 MB). Free memory was 147.7 MB in the beginning and 125.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 56.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18186.58 ms. Allocated memory was 201.3 MB in the beginning and 420.5 MB in the end (delta: 219.2 MB). Free memory was 124.5 MB in the beginning and 354.2 MB in the end (delta: -229.7 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 912]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L151] int waterLevel = 1; [L152] int methaneLevelCritical = 0; [L409] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L610] int pumpRunning = 0; [L611] int systemActive = 1; [L123] int retValue_acc ; [L124] int tmp ; [L128] FCALL select_helpers() [L129] FCALL select_features() [L130] CALL, EXPR valid_product() [L864] int retValue_acc ; [L867] retValue_acc = 1 [L868] return (retValue_acc); [L130] RET, EXPR valid_product() [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L134] FCALL setup() [L135] CALL runTest() [L114] CALL test() [L772] int splverifierCounter ; [L773] int tmp ; [L774] int tmp___0 ; [L775] int tmp___1 ; [L776] int tmp___2 ; [L779] splverifierCounter = 0 [L781] COND TRUE 1 [L783] COND TRUE splverifierCounter < 4 [L789] tmp = __VERIFIER_nondet_int() [L791] COND TRUE \read(tmp) [L793] CALL waterRise() [L169] COND TRUE waterLevel < 2 [L170] waterLevel = waterLevel + 1 [L793] RET waterRise() [L799] tmp___0 = __VERIFIER_nondet_int() [L801] COND FALSE !(\read(tmp___0)) [L809] tmp___2 = __VERIFIER_nondet_int() [L811] COND TRUE \read(tmp___2) [L813] CALL startSystem() [L766] systemActive = 1 [L813] RET startSystem() [L826] CALL timeShift() [L618] COND FALSE !(\read(pumpRunning)) [L625] COND TRUE \read(systemActive) [L627] CALL processEnvironment() [L647] int tmp ; [L650] COND FALSE !(\read(pumpRunning)) [L665] FCALL processEnvironment__wrappee__base() [L627] RET processEnvironment() [L633] CALL __utac_acc__Specification3_spec__1() [L875] int tmp ; [L876] int tmp___0 ; [L877] int tmp___1 ; [L881] CALL, EXPR isMethaneLevelCritical() [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); [L881] RET, EXPR isMethaneLevelCritical() [L881] tmp = isMethaneLevelCritical() [L883] COND FALSE !(\read(tmp)) [L887] CALL, EXPR getWaterLevel() [L222] int retValue_acc ; [L225] retValue_acc = waterLevel [L226] return (retValue_acc); [L887] RET, EXPR getWaterLevel() [L887] tmp___0 = getWaterLevel() [L889] COND TRUE tmp___0 == 2 [L891] CALL, EXPR isPumpRunning() [L699] int retValue_acc ; [L702] retValue_acc = pumpRunning [L703] return (retValue_acc); [L891] RET, EXPR isPumpRunning() [L891] tmp___1 = isPumpRunning() [L893] COND FALSE !(\read(tmp___1)) [L897] CALL __automaton_fail() [L912] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 622 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 13.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 895 SDtfs, 1423 SDslu, 1279 SDs, 0 SdLazy, 2498 SolverSat, 457 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=345occurred 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: 0.5s AutomataMinimizationTime, 4 MinimizatonAttempts, 294 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...