/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_spec4_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 20:06:58,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 20:06:58,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 20:06:58,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 20:06:58,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 20:06:58,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 20:06:58,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 20:06:58,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 20:06:58,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 20:06:58,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 20:06:58,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 20:06:58,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 20:06:58,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 20:06:58,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 20:06:58,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 20:06:58,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 20:06:58,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 20:06:58,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 20:06:58,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 20:06:58,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 20:06:58,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 20:06:58,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 20:06:58,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 20:06:58,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 20:06:58,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 20:06:58,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 20:06:58,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 20:06:58,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 20:06:58,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 20:06:58,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 20:06:58,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 20:06:58,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 20:06:58,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 20:06:58,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 20:06:58,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 20:06:58,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 20:06:58,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 20:06:58,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 20:06:58,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 20:06:58,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 20:06:58,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 20:06:58,280 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 20:06:58,318 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 20:06:58,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 20:06:58,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 20:06:58,326 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 20:06:58,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 20:06:58,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 20:06:58,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 20:06:58,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 20:06:58,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 20:06:58,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 20:06:58,329 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 20:06:58,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 20:06:58,330 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 20:06:58,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 20:06:58,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 20:06:58,331 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 20:06:58,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 20:06:58,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 20:06:58,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:06:58,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 20:06:58,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 20:06:58,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 20:06:58,333 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 20:06:58,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 20:06:58,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 20:06:58,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 20:06:58,984 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 20:06:58,985 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 20:06:58,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2020-10-23 20:06:59,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7dac92ee/e50f66e23647476397218cb418d83d4d/FLAGba56f53a6 [2020-10-23 20:06:59,936 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 20:06:59,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2020-10-23 20:06:59,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7dac92ee/e50f66e23647476397218cb418d83d4d/FLAGba56f53a6 [2020-10-23 20:07:00,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7dac92ee/e50f66e23647476397218cb418d83d4d [2020-10-23 20:07:00,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 20:07:00,255 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 20:07:00,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 20:07:00,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 20:07:00,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 20:07:00,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:07:00" (1/1) ... [2020-10-23 20:07:00,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0b87e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:07:00, skipping insertion in model container [2020-10-23 20:07:00,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:07:00" (1/1) ... [2020-10-23 20:07:00,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 20:07:00,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 20:07:00,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:07:00,787 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 20:07:00,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:07:01,010 INFO L208 MainTranslator]: Completed translation [2020-10-23 20:07:01,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:07:01 WrapperNode [2020-10-23 20:07:01,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 20:07:01,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 20:07:01,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 20:07:01,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 20:07:01,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:07:01" (1/1) ... [2020-10-23 20:07:01,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:07:01" (1/1) ... [2020-10-23 20:07:01,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:07:01" (1/1) ... [2020-10-23 20:07:01,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:07:01" (1/1) ... [2020-10-23 20:07:01,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:07:01" (1/1) ... [2020-10-23 20:07:01,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:07:01" (1/1) ... [2020-10-23 20:07:01,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:07:01" (1/1) ... [2020-10-23 20:07:01,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 20:07:01,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 20:07:01,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 20:07:01,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 20:07:01,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:07:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:07:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 20:07:01,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 20:07:01,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 20:07:01,420 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 20:07:01,420 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 20:07:01,420 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 20:07:01,420 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 20:07:01,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 20:07:01,420 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 20:07:01,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 20:07:01,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-23 20:07:01,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 20:07:01,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 20:07:01,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 20:07:01,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 20:07:01,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 20:07:01,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 20:07:01,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 20:07:01,424 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 20:07:01,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 20:07:01,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 20:07:01,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 20:07:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 20:07:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 20:07:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 20:07:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-23 20:07:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 20:07:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-23 20:07:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 20:07:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 20:07:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 20:07:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 20:07:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 20:07:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-23 20:07:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 20:07:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 20:07:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 20:07:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 20:07:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 20:07:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-23 20:07:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 20:07:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 20:07:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 20:07:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 20:07:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 20:07:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 20:07:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 20:07:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 20:07:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 20:07:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 20:07:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 20:07:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 20:07:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-23 20:07:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 20:07:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 20:07:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 20:07:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 20:07:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 20:07:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 20:07:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 20:07:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 20:07:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 20:07:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 20:07:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 20:07:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 20:07:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 20:07:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 20:07:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 20:07:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 20:07:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 20:07:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 20:07:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 20:07:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 20:07:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 20:07:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 20:07:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 20:07:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 20:07:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 20:07:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 20:07:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 20:07:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-23 20:07:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 20:07:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 20:07:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-23 20:07:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-23 20:07:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 20:07:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-23 20:07:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 20:07:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 20:07:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 20:07:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 20:07:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 20:07:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 20:07:01,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 20:07:03,520 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 20:07:03,524 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 20:07:03,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:07:03 BoogieIcfgContainer [2020-10-23 20:07:03,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 20:07:03,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 20:07:03,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 20:07:03,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 20:07:03,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:07:00" (1/3) ... [2020-10-23 20:07:03,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f4e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:07:03, skipping insertion in model container [2020-10-23 20:07:03,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:07:01" (2/3) ... [2020-10-23 20:07:03,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f4e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:07:03, skipping insertion in model container [2020-10-23 20:07:03,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:07:03" (3/3) ... [2020-10-23 20:07:03,542 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2020-10-23 20:07:03,557 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 20:07:03,566 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 20:07:03,587 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 20:07:03,624 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 20:07:03,625 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 20:07:03,625 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 20:07:03,625 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 20:07:03,625 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 20:07:03,626 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 20:07:03,626 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 20:07:03,626 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 20:07:03,652 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states. [2020-10-23 20:07:03,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-23 20:07:03,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:07:03,680 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] [2020-10-23 20:07:03,681 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:07:03,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:07:03,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1368524715, now seen corresponding path program 1 times [2020-10-23 20:07:03,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:07:03,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [832297074] [2020-10-23 20:07:03,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:07:03,827 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:07:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:04,944 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:07:04,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:07:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:05,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:07:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:05,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:07:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:05,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:07:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:05,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:07:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:05,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 20:07:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:05,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 20:07:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:05,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:07:05,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [832297074] [2020-10-23 20:07:05,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:07:05,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 20:07:05,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691431472] [2020-10-23 20:07:05,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 20:07:05,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:07:05,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 20:07:05,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 20:07:05,140 INFO L87 Difference]: Start difference. First operand 319 states. Second operand 3 states. [2020-10-23 20:07:07,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:07:07,490 INFO L93 Difference]: Finished difference Result 475 states and 565 transitions. [2020-10-23 20:07:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 20:07:07,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-23 20:07:07,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:07:07,518 INFO L225 Difference]: With dead ends: 475 [2020-10-23 20:07:07,518 INFO L226 Difference]: Without dead ends: 296 [2020-10-23 20:07:07,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 20:07:07,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-10-23 20:07:07,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 255. [2020-10-23 20:07:07,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-10-23 20:07:07,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 276 transitions. [2020-10-23 20:07:07,752 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 276 transitions. Word has length 148 [2020-10-23 20:07:07,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:07:07,755 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 276 transitions. [2020-10-23 20:07:07,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 20:07:07,756 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 276 transitions. [2020-10-23 20:07:07,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-23 20:07:07,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:07:07,776 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] [2020-10-23 20:07:07,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 20:07:07,777 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:07:07,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:07:07,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1166478984, now seen corresponding path program 1 times [2020-10-23 20:07:07,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:07:07,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [885816629] [2020-10-23 20:07:07,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:07:07,791 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:07:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:08,562 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:07:08,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:07:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:08,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:07:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:08,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:07:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:08,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:07:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:08,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:07:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:08,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 20:07:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:08,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 20:07:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:08,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:07:08,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [885816629] [2020-10-23 20:07:08,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:07:08,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 20:07:08,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92444280] [2020-10-23 20:07:08,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 20:07:08,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:07:08,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 20:07:08,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 20:07:08,751 INFO L87 Difference]: Start difference. First operand 255 states and 276 transitions. Second operand 4 states. [2020-10-23 20:07:09,868 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:07:11,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:07:11,366 INFO L93 Difference]: Finished difference Result 389 states and 436 transitions. [2020-10-23 20:07:11,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 20:07:11,367 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-10-23 20:07:11,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:07:11,375 INFO L225 Difference]: With dead ends: 389 [2020-10-23 20:07:11,376 INFO L226 Difference]: Without dead ends: 279 [2020-10-23 20:07:11,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 20:07:11,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-10-23 20:07:11,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 245. [2020-10-23 20:07:11,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-10-23 20:07:11,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 263 transitions. [2020-10-23 20:07:11,498 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 263 transitions. Word has length 149 [2020-10-23 20:07:11,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:07:11,499 INFO L481 AbstractCegarLoop]: Abstraction has 245 states and 263 transitions. [2020-10-23 20:07:11,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 20:07:11,500 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 263 transitions. [2020-10-23 20:07:11,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-23 20:07:11,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:07:11,503 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] [2020-10-23 20:07:11,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 20:07:11,504 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:07:11,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:07:11,505 INFO L82 PathProgramCache]: Analyzing trace with hash -569457022, now seen corresponding path program 1 times [2020-10-23 20:07:11,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:07:11,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [546066075] [2020-10-23 20:07:11,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:07:11,511 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:07:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:12,263 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:07:12,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:07:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:12,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:07:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:12,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:07:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:12,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:07:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:12,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:07:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:12,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 20:07:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:12,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-23 20:07:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:07:12,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [546066075] [2020-10-23 20:07:12,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:07:12,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 20:07:12,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167930575] [2020-10-23 20:07:12,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 20:07:12,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:07:12,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 20:07:12,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 20:07:12,555 INFO L87 Difference]: Start difference. First operand 245 states and 263 transitions. Second operand 9 states. [2020-10-23 20:07:13,353 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:07:13,919 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:07:14,357 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:07:14,786 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:07:15,219 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:07:15,598 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:07:17,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:07:17,819 INFO L93 Difference]: Finished difference Result 409 states and 461 transitions. [2020-10-23 20:07:17,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 20:07:17,820 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2020-10-23 20:07:17,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:07:17,823 INFO L225 Difference]: With dead ends: 409 [2020-10-23 20:07:17,824 INFO L226 Difference]: Without dead ends: 279 [2020-10-23 20:07:17,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-23 20:07:17,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-10-23 20:07:17,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 245. [2020-10-23 20:07:17,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-10-23 20:07:17,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 262 transitions. [2020-10-23 20:07:17,925 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 262 transitions. Word has length 158 [2020-10-23 20:07:17,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:07:17,926 INFO L481 AbstractCegarLoop]: Abstraction has 245 states and 262 transitions. [2020-10-23 20:07:17,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 20:07:17,927 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 262 transitions. [2020-10-23 20:07:17,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-23 20:07:17,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:07:17,930 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:07:17,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 20:07:17,930 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:07:17,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:07:17,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1577550829, now seen corresponding path program 1 times [2020-10-23 20:07:17,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:07:17,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946248890] [2020-10-23 20:07:17,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:07:17,935 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:07:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:18,416 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:07:18,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:07:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:18,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:07:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:18,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:07:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:18,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:07:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:18,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:07:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:18,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-23 20:07:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:18,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:07:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:18,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:07:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:18,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 20:07:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:18,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-23 20:07:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:18,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:07:18,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946248890] [2020-10-23 20:07:18,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:07:18,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-23 20:07:18,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422740700] [2020-10-23 20:07:18,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-23 20:07:18,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:07:18,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-23 20:07:18,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-10-23 20:07:18,756 INFO L87 Difference]: Start difference. First operand 245 states and 262 transitions. Second operand 14 states. [2020-10-23 20:07:19,744 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:07:20,327 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:07:20,725 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:07:21,172 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:07:21,615 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:07:22,051 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:07:23,040 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:07:25,072 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:07:25,553 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:07:26,220 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:07:26,774 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:07:27,192 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:07:27,634 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:07:28,080 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:07:28,491 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:07:28,932 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:07:29,551 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:07:30,178 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:07:30,655 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:07:31,196 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:07:32,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:07:32,834 INFO L93 Difference]: Finished difference Result 718 states and 859 transitions. [2020-10-23 20:07:32,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-23 20:07:32,842 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 171 [2020-10-23 20:07:32,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:07:32,848 INFO L225 Difference]: With dead ends: 718 [2020-10-23 20:07:32,849 INFO L226 Difference]: Without dead ends: 588 [2020-10-23 20:07:32,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-10-23 20:07:32,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2020-10-23 20:07:33,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 481. [2020-10-23 20:07:33,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-10-23 20:07:33,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 535 transitions. [2020-10-23 20:07:33,124 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 535 transitions. Word has length 171 [2020-10-23 20:07:33,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:07:33,129 INFO L481 AbstractCegarLoop]: Abstraction has 481 states and 535 transitions. [2020-10-23 20:07:33,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-23 20:07:33,129 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 535 transitions. [2020-10-23 20:07:33,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-23 20:07:33,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:07:33,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:07:33,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 20:07:33,135 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:07:33,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:07:33,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1031863801, now seen corresponding path program 1 times [2020-10-23 20:07:33,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:07:33,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488727721] [2020-10-23 20:07:33,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:07:33,141 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:07:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:33,576 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:07:33,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:07:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:33,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:07:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:33,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:07:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:33,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:07:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:33,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:07:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:33,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-23 20:07:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:33,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-23 20:07:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:33,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:07:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:33,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:07:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:33,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 20:07:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:33,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-23 20:07:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:07:33,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:07:33,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488727721] [2020-10-23 20:07:33,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:07:33,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 20:07:33,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370300220] [2020-10-23 20:07:33,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 20:07:33,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:07:33,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 20:07:33,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 20:07:33,754 INFO L87 Difference]: Start difference. First operand 481 states and 535 transitions. Second operand 6 states. [2020-10-23 20:07:34,563 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:07:35,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:07:35,486 INFO L93 Difference]: Finished difference Result 699 states and 802 transitions. [2020-10-23 20:07:35,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 20:07:35,487 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2020-10-23 20:07:35,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:07:35,490 INFO L225 Difference]: With dead ends: 699 [2020-10-23 20:07:35,491 INFO L226 Difference]: Without dead ends: 333 [2020-10-23 20:07:35,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-23 20:07:35,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-10-23 20:07:35,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 312. [2020-10-23 20:07:35,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-10-23 20:07:35,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 329 transitions. [2020-10-23 20:07:35,672 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 329 transitions. Word has length 176 [2020-10-23 20:07:35,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:07:35,673 INFO L481 AbstractCegarLoop]: Abstraction has 312 states and 329 transitions. [2020-10-23 20:07:35,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 20:07:35,673 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 329 transitions. [2020-10-23 20:07:35,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-23 20:07:35,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:07:35,678 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:07:35,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 20:07:35,678 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:07:35,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:07:35,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1722496624, now seen corresponding path program 1 times [2020-10-23 20:07:35,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:07:35,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [263007431] [2020-10-23 20:07:35,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:07:35,854 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:07:36,129 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:07:36,348 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:07:36,594 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:07:36,853 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 20:07:37,098 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:07:37,337 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:07:37,585 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:07:37,805 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:07:38,046 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 20:07:38,286 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:07:38,501 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:07:38,726 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 20:07:38,959 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:07:39,460 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:39,839 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:40,169 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:40,490 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:40,794 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:41,111 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:07:41,383 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:07:41,731 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:07:42,063 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:42,395 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:42,715 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:07:43,046 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:43,363 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:07:43,659 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:43,954 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:07:44,276 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:44,279 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:07:44,613 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:07:44,931 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:07:45,250 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:07:45,581 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:07:45,905 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:46,215 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:07:46,524 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:07:46,869 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:47,196 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:07:47,527 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:07:47,857 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:07:48,201 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:48,526 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:48,820 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:49,126 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:49,448 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:07:49,451 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:07:49,774 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:50,095 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:50,414 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:50,736 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:51,058 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:51,371 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:51,678 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:07:52,011 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:07:52,340 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:52,667 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:07:53,014 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:53,340 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:53,659 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:07:53,957 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:07:54,265 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:07:54,594 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:07:54,597 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:07:54,950 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:07:55,283 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:07:55,614 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:07:55,957 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:07:56,272 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:07:56,592 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:07:56,914 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:07:57,242 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:07:57,581 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:07:57,913 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:07:58,263 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:07:58,593 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:07:58,906 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:07:59,214 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:07:59,543 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:07:59,889 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:07:59,892 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:08:02,739 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:02,782 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:04,070 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:06,719 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:06,724 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:09,285 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:11,882 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:11,888 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:12,875 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:12,879 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:15,320 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:17,818 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:17,823 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:20,276 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:20,280 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:22,747 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:22,752 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:25,211 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:27,691 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:27,697 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:30,201 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:30,205 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:32,745 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:32,748 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:35,229 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:35,234 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:37,712 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:37,717 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:37,721 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:08:40,208 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:08:40,212 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:42,674 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:08:42,679 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:45,178 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:08:45,181 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:47,662 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:08:47,665 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:48,693 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:08:48,698 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:51,196 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:08:51,200 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:53,624 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:08:53,628 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:56,125 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:08:56,128 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:57,169 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:08:57,172 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:59,604 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:08:59,608 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:02,002 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:09:02,007 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:04,450 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:09:04,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:06,916 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:09:08,218 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2020-10-23 20:09:08,221 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:10,713 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2020-10-23 20:09:10,717 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:13,130 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:09:13,133 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:13,135 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:09:14,276 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:09:14,280 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:16,691 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:09:16,695 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:17,993 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:09:17,996 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:19,355 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:09:19,358 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:21,834 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:09:24,282 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:09:24,285 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:26,760 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:09:29,223 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:09:29,227 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:31,702 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:09:31,707 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:34,172 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:09:34,176 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:35,496 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:09:37,996 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:09:40,527 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:09:40,532 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:41,981 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:09:41,984 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:44,465 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:09:44,470 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:46,937 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:09:46,941 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:46,943 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:09:49,457 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:09:49,461 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:51,934 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:09:51,938 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:53,528 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2020-10-23 20:09:53,532 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:56,235 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:09:58,717 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:09:58,720 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:01,210 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:10:01,213 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:03,692 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:10:03,695 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:06,241 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:10:08,746 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:10:11,421 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2020-10-23 20:10:11,425 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:13,897 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:10:13,901 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:16,383 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:10:16,386 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:18,914 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:10:18,917 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:21,439 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:10:21,442 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:23,979 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:10:23,983 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:26,490 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:10:26,493 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:26,495 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:10:26,837 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:10:27,186 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:10:27,527 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:10:27,877 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:10:28,225 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:10:28,572 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:10:28,898 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:10:29,242 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:10:29,603 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:10:29,955 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:10:30,314 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:10:30,664 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:10:31,025 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:10:31,368 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:10:31,710 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:10:32,061 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:10:32,063 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:10:34,681 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:10:34,686 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:36,846 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:10:36,850 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:39,354 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:10:39,358 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:41,895 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:10:41,899 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:44,067 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:10:44,070 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:46,616 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:10:46,620 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:49,232 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:10:49,236 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:51,777 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:10:51,780 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:54,339 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:10:54,342 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:56,944 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:10:56,947 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:10:59,549 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:10:59,552 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:02,133 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:11:02,137 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:04,712 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:11:04,715 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:07,275 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:11:07,278 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:09,908 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:11:09,912 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:12,508 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:11:12,510 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:12,512 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:11:12,874 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:11:13,239 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:11:13,598 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:11:13,965 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:11:14,324 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:11:14,680 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:11:15,047 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:11:15,400 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:11:15,766 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:11:16,136 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:11:16,500 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:11:16,866 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:11:17,226 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:11:17,582 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:11:17,962 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:11:18,352 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:11:18,354 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:11:20,925 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:11:20,929 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:23,474 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:11:23,477 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:26,051 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:11:26,054 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:28,619 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:11:28,622 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:31,223 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:11:31,227 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:33,786 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:11:36,448 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:11:36,452 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:39,043 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:11:39,049 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:41,683 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:11:41,686 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:44,291 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:11:46,924 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:11:46,928 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:49,570 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:11:49,573 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:52,238 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:11:52,241 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:54,894 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:11:54,897 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:11:57,529 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:11:57,533 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:00,146 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:12:00,149 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:00,153 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:12:02,772 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:12:02,775 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:05,452 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:12:05,456 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:08,128 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:12:08,130 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:10,781 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:12:10,783 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:13,507 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:12:13,510 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:16,169 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:12:16,173 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:18,846 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:12:18,859 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:21,555 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:12:21,559 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:24,268 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:12:24,272 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:26,985 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:12:26,988 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:29,626 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:12:29,630 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:32,302 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:12:32,305 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:34,991 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:12:34,994 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:37,704 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:12:40,349 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:12:40,353 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:43,021 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:12:43,025 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:43,027 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:12:45,724 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:12:45,728 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:48,383 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:12:48,386 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:51,073 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:12:51,076 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:53,777 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:12:53,781 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:56,509 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:12:59,238 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:12:59,241 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:01,911 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:13:01,914 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:04,625 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:13:04,628 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:07,291 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:13:07,295 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:10,018 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:13:10,023 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:12,718 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:13:12,721 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:15,477 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:13:15,482 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:18,147 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:13:18,150 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:20,821 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:13:20,827 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:23,605 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:13:23,607 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:26,326 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:13:26,330 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:26,333 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:13:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:13:27,402 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:13:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:13:28,138 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:13:28,415 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 20:13:28,416 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 20:13:28,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 20:13:28,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:13:28 BoogieIcfgContainer [2020-10-23 20:13:28,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 20:13:28,471 INFO L168 Benchmark]: Toolchain (without parser) took 388224.31 ms. Allocated memory was 163.6 MB in the beginning and 412.1 MB in the end (delta: 248.5 MB). Free memory was 139.0 MB in the beginning and 290.5 MB in the end (delta: -151.4 MB). Peak memory consumption was 264.1 MB. Max. memory is 8.0 GB. [2020-10-23 20:13:28,473 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 163.6 MB. Free memory was 137.9 MB in the beginning and 137.8 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:13:28,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.75 ms. Allocated memory is still 163.6 MB. Free memory was 138.5 MB in the beginning and 117.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-23 20:13:28,474 INFO L168 Benchmark]: Boogie Preprocessor took 268.92 ms. Allocated memory is still 163.6 MB. Free memory was 117.0 MB in the beginning and 144.5 MB in the end (delta: -27.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-23 20:13:28,478 INFO L168 Benchmark]: RCFGBuilder took 2246.15 ms. Allocated memory is still 163.6 MB. Free memory was 144.5 MB in the beginning and 100.2 MB in the end (delta: 44.3 MB). Peak memory consumption was 64.8 MB. Max. memory is 8.0 GB. [2020-10-23 20:13:28,478 INFO L168 Benchmark]: TraceAbstraction took 384936.52 ms. Allocated memory was 163.6 MB in the beginning and 412.1 MB in the end (delta: 248.5 MB). Free memory was 99.6 MB in the beginning and 290.5 MB in the end (delta: -190.8 MB). Peak memory consumption was 223.7 MB. Max. memory is 8.0 GB. [2020-10-23 20:13:28,481 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 163.6 MB. Free memory was 137.9 MB in the beginning and 137.8 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 747.75 ms. Allocated memory is still 163.6 MB. Free memory was 138.5 MB in the beginning and 117.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 268.92 ms. Allocated memory is still 163.6 MB. Free memory was 117.0 MB in the beginning and 144.5 MB in the end (delta: -27.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2246.15 ms. Allocated memory is still 163.6 MB. Free memory was 144.5 MB in the beginning and 100.2 MB in the end (delta: 44.3 MB). Peak memory consumption was 64.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 384936.52 ms. Allocated memory was 163.6 MB in the beginning and 412.1 MB in the end (delta: 248.5 MB). Free memory was 99.6 MB in the beginning and 290.5 MB in the end (delta: -190.8 MB). Peak memory consumption was 223.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L316] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L622] int pumpRunning = 0; [L623] int systemActive = 1; [L818] int cleanupTimeShifts = 4; [L891] int retValue_acc ; [L892] int tmp ; [L896] FCALL select_helpers() [L897] FCALL select_features() [L898] CALL, EXPR valid_product() [L609] int retValue_acc ; [L612] retValue_acc = 1 [L613] return (retValue_acc); [L898] RET, EXPR valid_product() [L898] tmp = valid_product() [L900] COND TRUE \read(tmp) [L902] FCALL setup() [L903] CALL runTest() [L885] CALL test() [L516] int splverifierCounter ; [L517] int tmp ; [L518] int tmp___0 ; [L519] int tmp___1 ; [L520] int tmp___2 ; [L523] splverifierCounter = 0 [L525] COND TRUE 1 [L527] COND TRUE splverifierCounter < 4 [L533] tmp = __VERIFIER_nondet_int() [L535] COND TRUE \read(tmp) [L537] CALL waterRise() [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 [L537] RET waterRise() [L543] tmp___0 = __VERIFIER_nondet_int() [L545] COND FALSE !(\read(tmp___0)) [L553] tmp___2 = __VERIFIER_nondet_int() [L555] COND TRUE \read(tmp___2) [L568] CALL timeShift() [L630] COND FALSE !(\read(pumpRunning)) [L637] COND TRUE \read(systemActive) [L639] CALL processEnvironment() [L685] int tmp ; [L688] COND FALSE !(\read(pumpRunning)) [L703] CALL processEnvironment__wrappee__methaneQuery() [L659] int tmp ; [L662] COND FALSE !(\read(pumpRunning)) [L677] FCALL processEnvironment__wrappee__base() [L703] RET processEnvironment__wrappee__methaneQuery() [L639] RET processEnvironment() [L645] CALL __utac_acc__Specification4_spec__1() [L915] int tmp ; [L916] int tmp___0 ; [L920] CALL, EXPR getWaterLevel() [L120] int retValue_acc ; [L123] retValue_acc = waterLevel [L124] return (retValue_acc); [L920] RET, EXPR getWaterLevel() [L920] tmp = getWaterLevel() [L922] COND FALSE !(tmp == 0) [L645] RET __utac_acc__Specification4_spec__1() [L568] RET timeShift() [L525] COND TRUE 1 [L527] COND TRUE splverifierCounter < 4 [L533] tmp = __VERIFIER_nondet_int() [L535] COND TRUE \read(tmp) [L537] CALL waterRise() [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 [L537] RET waterRise() [L543] tmp___0 = __VERIFIER_nondet_int() [L545] COND FALSE !(\read(tmp___0)) [L553] tmp___2 = __VERIFIER_nondet_int() [L555] COND TRUE \read(tmp___2) [L568] CALL timeShift() [L630] COND FALSE !(\read(pumpRunning)) [L637] COND TRUE \read(systemActive) [L639] CALL processEnvironment() [L685] int tmp ; [L688] COND FALSE !(\read(pumpRunning)) [L703] CALL processEnvironment__wrappee__methaneQuery() [L659] int tmp ; [L662] COND FALSE !(\read(pumpRunning)) [L677] FCALL processEnvironment__wrappee__base() [L703] RET processEnvironment__wrappee__methaneQuery() [L639] RET processEnvironment() [L645] CALL __utac_acc__Specification4_spec__1() [L915] int tmp ; [L916] int tmp___0 ; [L920] CALL, EXPR getWaterLevel() [L120] int retValue_acc ; [L123] retValue_acc = waterLevel [L124] return (retValue_acc); [L920] RET, EXPR getWaterLevel() [L920] tmp = getWaterLevel() [L922] COND TRUE tmp == 0 [L924] CALL, EXPR isPumpRunning() [L754] int retValue_acc ; [L757] retValue_acc = pumpRunning [L758] return (retValue_acc); [L924] RET, EXPR isPumpRunning() [L924] tmp___0 = isPumpRunning() [L926] COND TRUE \read(tmp___0) [L928] CALL __automaton_fail() [L142] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product29.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 637 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 384.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 26.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1099 SDtfs, 2091 SDslu, 1730 SDs, 0 SdLazy, 3715 SolverSat, 711 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 14.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=481occurred 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: 0.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 237 StatesRemovedByMinimization, 5 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...