/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:17:39,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:17:39,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:17:39,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:17:39,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:17:39,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:17:39,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:17:39,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:17:39,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:17:39,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:17:39,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:17:39,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:17:39,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:17:39,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:17:39,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:17:39,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:17:39,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:17:39,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:17:39,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:17:39,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:17:39,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:17:40,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:17:40,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:17:40,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:17:40,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:17:40,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:17:40,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:17:40,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:17:40,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:17:40,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:17:40,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:17:40,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:17:40,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:17:40,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:17:40,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:17:40,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:17:40,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:17:40,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:17:40,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:17:40,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:17:40,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:17:40,025 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:17:40,037 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:17:40,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:17:40,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:17:40,039 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:17:40,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:17:40,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:17:40,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:17:40,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:17:40,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:17:40,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:17:40,040 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:17:40,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:17:40,040 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:17:40,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:17:40,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:17:40,041 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:17:40,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:17:40,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:17:40,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:17:40,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:17:40,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:17:40,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:17:40,042 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:17:40,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:17:40,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:17:40,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:17:40,452 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:17:40,453 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:17:40,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c [2020-11-07 04:17:40,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f4ef420/a0cff9c774cb4522a590d7b754f30595/FLAGcbb5b42fb [2020-11-07 04:17:41,281 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:17:41,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c [2020-11-07 04:17:41,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f4ef420/a0cff9c774cb4522a590d7b754f30595/FLAGcbb5b42fb [2020-11-07 04:17:41,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f4ef420/a0cff9c774cb4522a590d7b754f30595 [2020-11-07 04:17:41,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:17:41,604 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:17:41,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:17:41,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:17:41,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:17:41,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:17:41" (1/1) ... [2020-11-07 04:17:41,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@584f2021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:41, skipping insertion in model container [2020-11-07 04:17:41,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:17:41" (1/1) ... [2020-11-07 04:17:41,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:17:41,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:17:42,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:17:42,029 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:17:42,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:17:42,207 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:17:42,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:42 WrapperNode [2020-11-07 04:17:42,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:17:42,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:17:42,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:17:42,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:17:42,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:42" (1/1) ... [2020-11-07 04:17:42,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:42" (1/1) ... [2020-11-07 04:17:42,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:42" (1/1) ... [2020-11-07 04:17:42,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:42" (1/1) ... [2020-11-07 04:17:42,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:42" (1/1) ... [2020-11-07 04:17:42,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:42" (1/1) ... [2020-11-07 04:17:42,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:42" (1/1) ... [2020-11-07 04:17:42,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:17:42,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:17:42,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:17:42,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:17:42,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:42" (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 [2020-11-07 04:17:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:17:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:17:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:17:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:17:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:17:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:17:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:17:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:17:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:17:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:17:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:17:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:17:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:17:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:17:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:17:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:17:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:17:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:17:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:17:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:17:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:17:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:17:42,432 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:17:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:17:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:17:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:17:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:17:42,434 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:17:42,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:17:42,434 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:17:42,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:17:42,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:17:42,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:17:42,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:17:42,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:17:42,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:17:42,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:17:42,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:17:42,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-11-07 04:17:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:17:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:17:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:17:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:17:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:17:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:17:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:17:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:17:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:17:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:17:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:17:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:17:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:17:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:17:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:17:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:17:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:17:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:17:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:17:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:17:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:17:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:17:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:17:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-11-07 04:17:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:17:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:17:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:17:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:17:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:17:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:17:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:17:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:17:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:17:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:17:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:17:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:17:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:17:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:17:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:17:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:17:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:17:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:17:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:17:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:17:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:17:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:17:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:17:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:17:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:17:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:17:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:17:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:17:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:17:44,238 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:17:44,238 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:17:44,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:17:44 BoogieIcfgContainer [2020-11-07 04:17:44,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:17:44,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:17:44,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:17:44,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:17:44,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:17:41" (1/3) ... [2020-11-07 04:17:44,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6883419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:17:44, skipping insertion in model container [2020-11-07 04:17:44,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:42" (2/3) ... [2020-11-07 04:17:44,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6883419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:17:44, skipping insertion in model container [2020-11-07 04:17:44,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:17:44" (3/3) ... [2020-11-07 04:17:44,250 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product37.cil.c [2020-11-07 04:17:44,266 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:17:44,269 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:17:44,281 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:17:44,306 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:17:44,306 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:17:44,307 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:17:44,307 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:17:44,307 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:17:44,307 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:17:44,307 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:17:44,308 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:17:44,331 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2020-11-07 04:17:44,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-07 04:17:44,352 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:17:44,354 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] [2020-11-07 04:17:44,354 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]=== [2020-11-07 04:17:44,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:17:44,362 INFO L82 PathProgramCache]: Analyzing trace with hash -786049614, now seen corresponding path program 1 times [2020-11-07 04:17:44,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:17:44,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513524431] [2020-11-07 04:17:44,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:17:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:45,493 WARN L194 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:17:45,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:17:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:45,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:17:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:45,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:17:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:45,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:17:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:45,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:17:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:45,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:17:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:45,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:17:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:45,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:17:45,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513524431] [2020-11-07 04:17:45,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:17:45,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-07 04:17:45,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519657453] [2020-11-07 04:17:45,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-07 04:17:45,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:17:45,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-07 04:17:45,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:17:45,754 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 3 states. [2020-11-07 04:17:48,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:17:48,461 INFO L93 Difference]: Finished difference Result 487 states and 577 transitions. [2020-11-07 04:17:48,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-07 04:17:48,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-11-07 04:17:48,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:17:48,481 INFO L225 Difference]: With dead ends: 487 [2020-11-07 04:17:48,482 INFO L226 Difference]: Without dead ends: 302 [2020-11-07 04:17:48,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:17:48,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-11-07 04:17:48,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 261. [2020-11-07 04:17:48,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-11-07 04:17:48,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 282 transitions. [2020-11-07 04:17:48,648 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 282 transitions. Word has length 148 [2020-11-07 04:17:48,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:17:48,649 INFO L481 AbstractCegarLoop]: Abstraction has 261 states and 282 transitions. [2020-11-07 04:17:48,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-07 04:17:48,650 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 282 transitions. [2020-11-07 04:17:48,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-07 04:17:48,656 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:17:48,656 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] [2020-11-07 04:17:48,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:17:48,657 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]=== [2020-11-07 04:17:48,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:17:48,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1887239954, now seen corresponding path program 1 times [2020-11-07 04:17:48,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:17:48,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1276410456] [2020-11-07 04:17:48,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:17:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:49,378 WARN L194 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:17:49,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:17:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:49,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:17:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:49,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:17:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:49,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:17:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:49,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:17:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:49,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:17:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:49,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 04:17:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:49,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:17:49,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1276410456] [2020-11-07 04:17:49,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:17:49,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:17:49,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832871052] [2020-11-07 04:17:49,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:17:49,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:17:49,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:17:49,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:17:49,467 INFO L87 Difference]: Start difference. First operand 261 states and 282 transitions. Second operand 4 states. [2020-11-07 04:17:50,692 WARN L194 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:17:52,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:17:52,413 INFO L93 Difference]: Finished difference Result 401 states and 448 transitions. [2020-11-07 04:17:52,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 04:17:52,414 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-11-07 04:17:52,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:17:52,419 INFO L225 Difference]: With dead ends: 401 [2020-11-07 04:17:52,419 INFO L226 Difference]: Without dead ends: 285 [2020-11-07 04:17:52,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:17:52,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-11-07 04:17:52,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 251. [2020-11-07 04:17:52,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-11-07 04:17:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 269 transitions. [2020-11-07 04:17:52,519 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 269 transitions. Word has length 149 [2020-11-07 04:17:52,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:17:52,520 INFO L481 AbstractCegarLoop]: Abstraction has 251 states and 269 transitions. [2020-11-07 04:17:52,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:17:52,520 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 269 transitions. [2020-11-07 04:17:52,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-11-07 04:17:52,523 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:17:52,523 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] [2020-11-07 04:17:52,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:17:52,524 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]=== [2020-11-07 04:17:52,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:17:52,524 INFO L82 PathProgramCache]: Analyzing trace with hash 353098351, now seen corresponding path program 1 times [2020-11-07 04:17:52,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:17:52,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1327121307] [2020-11-07 04:17:52,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:17:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:53,402 WARN L194 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:17:53,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:17:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:53,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:17:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:53,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:17:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:53,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:17:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:53,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:17:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:53,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:17:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:53,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-11-07 04:17:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:53,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:17:53,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1327121307] [2020-11-07 04:17:53,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:17:53,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 04:17:53,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439291921] [2020-11-07 04:17:53,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 04:17:53,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:17:53,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 04:17:53,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-11-07 04:17:53,586 INFO L87 Difference]: Start difference. First operand 251 states and 269 transitions. Second operand 9 states. [2020-11-07 04:17:54,638 WARN L194 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:17:55,440 WARN L194 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:17:56,162 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:17:56,844 WARN L194 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:17:57,541 WARN L194 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:17:58,212 WARN L194 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:00,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:00,746 INFO L93 Difference]: Finished difference Result 421 states and 473 transitions. [2020-11-07 04:18:00,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-07 04:18:00,747 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2020-11-07 04:18:00,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:00,751 INFO L225 Difference]: With dead ends: 421 [2020-11-07 04:18:00,751 INFO L226 Difference]: Without dead ends: 285 [2020-11-07 04:18:00,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:18:00,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-11-07 04:18:00,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 251. [2020-11-07 04:18:00,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-11-07 04:18:00,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 268 transitions. [2020-11-07 04:18:00,863 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 268 transitions. Word has length 158 [2020-11-07 04:18:00,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:00,864 INFO L481 AbstractCegarLoop]: Abstraction has 251 states and 268 transitions. [2020-11-07 04:18:00,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 04:18:00,864 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 268 transitions. [2020-11-07 04:18:00,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-11-07 04:18:00,866 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:00,867 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:18:00,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:18:00,867 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:18:00,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:00,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1154482631, now seen corresponding path program 1 times [2020-11-07 04:18:00,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:00,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945346615] [2020-11-07 04:18:00,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:01,514 WARN L194 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:01,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:01,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:01,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:01,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:01,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:01,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-11-07 04:18:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:01,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:01,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:01,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 04:18:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:01,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-11-07 04:18:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:01,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:18:01,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945346615] [2020-11-07 04:18:01,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:18:01,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-07 04:18:01,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229064924] [2020-11-07 04:18:01,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-07 04:18:01,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:01,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-07 04:18:01,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-07 04:18:01,674 INFO L87 Difference]: Start difference. First operand 251 states and 268 transitions. Second operand 6 states. [2020-11-07 04:18:02,645 WARN L194 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:18:05,248 WARN L194 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:06,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:06,620 INFO L93 Difference]: Finished difference Result 554 states and 630 transitions. [2020-11-07 04:18:06,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-07 04:18:06,621 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 171 [2020-11-07 04:18:06,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:06,625 INFO L225 Difference]: With dead ends: 554 [2020-11-07 04:18:06,625 INFO L226 Difference]: Without dead ends: 418 [2020-11-07 04:18:06,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:18:06,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-11-07 04:18:06,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 357. [2020-11-07 04:18:06,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-11-07 04:18:06,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 383 transitions. [2020-11-07 04:18:06,808 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 383 transitions. Word has length 171 [2020-11-07 04:18:06,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:06,809 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 383 transitions. [2020-11-07 04:18:06,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-07 04:18:06,809 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 383 transitions. [2020-11-07 04:18:06,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-11-07 04:18:06,812 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:06,812 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:18:06,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:18:06,813 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]=== [2020-11-07 04:18:06,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:06,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1460694233, now seen corresponding path program 1 times [2020-11-07 04:18:06,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:06,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [504218861] [2020-11-07 04:18:06,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:07,548 WARN L194 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:07,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:07,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:07,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:07,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:07,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:07,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-11-07 04:18:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:07,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:07,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:07,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:18:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:07,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:18:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:07,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-11-07 04:18:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:07,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-11-07 04:18:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:07,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:18:07,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [504218861] [2020-11-07 04:18:07,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:18:07,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:18:07,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091514682] [2020-11-07 04:18:07,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:18:07,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:07,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:18:07,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:18:07,871 INFO L87 Difference]: Start difference. First operand 357 states and 383 transitions. Second operand 14 states. [2020-11-07 04:18:08,893 WARN L194 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:18:09,752 WARN L194 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:18:10,462 WARN L194 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:18:11,154 WARN L194 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:11,845 WARN L194 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:12,510 WARN L194 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:13,883 WARN L194 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:16,132 WARN L194 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:16,853 WARN L194 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:17,569 WARN L194 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:18,273 WARN L194 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:18:18,937 WARN L194 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:18:19,601 WARN L194 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:20,282 WARN L194 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:18:21,023 WARN L194 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:21,793 WARN L194 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:18:22,503 WARN L194 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:25,423 WARN L194 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:18:26,130 WARN L194 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:27,011 WARN L194 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:28,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:28,561 INFO L93 Difference]: Finished difference Result 1047 states and 1246 transitions. [2020-11-07 04:18:28,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-11-07 04:18:28,562 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 195 [2020-11-07 04:18:28,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:28,572 INFO L225 Difference]: With dead ends: 1047 [2020-11-07 04:18:28,573 INFO L226 Difference]: Without dead ends: 805 [2020-11-07 04:18:28,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-11-07 04:18:28,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2020-11-07 04:18:28,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 708. [2020-11-07 04:18:28,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2020-11-07 04:18:28,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 787 transitions. [2020-11-07 04:18:28,862 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 787 transitions. Word has length 195 [2020-11-07 04:18:28,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:28,863 INFO L481 AbstractCegarLoop]: Abstraction has 708 states and 787 transitions. [2020-11-07 04:18:28,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:18:28,863 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 787 transitions. [2020-11-07 04:18:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-11-07 04:18:28,869 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:28,870 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:18:28,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:18:28,870 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]=== [2020-11-07 04:18:28,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:28,871 INFO L82 PathProgramCache]: Analyzing trace with hash 518821354, now seen corresponding path program 1 times [2020-11-07 04:18:28,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:28,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [107397050] [2020-11-07 04:18:28,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,529 WARN L194 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:29,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:18:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:18:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:18:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:18:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-11-07 04:18:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-11-07 04:18:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-11-07 04:18:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-11-07 04:18:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:18:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:18:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-11-07 04:18:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:18:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:29,852 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-07 04:18:29,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [107397050] [2020-11-07 04:18:29,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:18:29,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-11-07 04:18:29,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435527007] [2020-11-07 04:18:29,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:18:29,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:29,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:18:29,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:18:29,857 INFO L87 Difference]: Start difference. First operand 708 states and 787 transitions. Second operand 11 states. [2020-11-07 04:18:31,979 WARN L194 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:32,677 WARN L194 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:18:33,396 WARN L194 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:18:34,084 WARN L194 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:34,784 WARN L194 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:18:35,424 WARN L194 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:37,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:37,817 INFO L93 Difference]: Finished difference Result 1411 states and 1629 transitions. [2020-11-07 04:18:37,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 04:18:37,818 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 271 [2020-11-07 04:18:37,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:37,824 INFO L225 Difference]: With dead ends: 1411 [2020-11-07 04:18:37,824 INFO L226 Difference]: Without dead ends: 818 [2020-11-07 04:18:37,826 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:18:37,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2020-11-07 04:18:38,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 735. [2020-11-07 04:18:38,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2020-11-07 04:18:38,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 816 transitions. [2020-11-07 04:18:38,148 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 816 transitions. Word has length 271 [2020-11-07 04:18:38,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:38,149 INFO L481 AbstractCegarLoop]: Abstraction has 735 states and 816 transitions. [2020-11-07 04:18:38,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:18:38,149 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 816 transitions. [2020-11-07 04:18:38,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-11-07 04:18:38,156 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:38,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:18:38,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:18:38,157 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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]=== [2020-11-07 04:18:38,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:38,157 INFO L82 PathProgramCache]: Analyzing trace with hash 424138795, now seen corresponding path program 1 times [2020-11-07 04:18:38,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:38,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [195172374] [2020-11-07 04:18:38,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:38,833 WARN L194 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:38,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:38,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:38,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:38,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:38,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:38,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:18:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:38,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:18:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:39,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:39,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:39,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:39,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:18:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:39,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:18:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:39,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-11-07 04:18:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:39,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:39,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-11-07 04:18:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:39,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-11-07 04:18:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:39,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-11-07 04:18:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:39,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:39,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:18:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:39,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:18:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:39,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:18:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:39,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-11-07 04:18:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:39,256 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-07 04:18:39,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [195172374] [2020-11-07 04:18:39,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:18:39,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-11-07 04:18:39,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551291554] [2020-11-07 04:18:39,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:18:39,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:39,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:18:39,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:18:39,259 INFO L87 Difference]: Start difference. First operand 735 states and 816 transitions. Second operand 14 states. [2020-11-07 04:18:40,428 WARN L194 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:41,134 WARN L194 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:18:41,817 WARN L194 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:42,503 WARN L194 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:18:43,160 WARN L194 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:44,714 WARN L194 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:45,385 WARN L194 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:18:46,068 WARN L194 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:46,759 WARN L194 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:18:47,438 WARN L194 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:49,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:49,888 INFO L93 Difference]: Finished difference Result 1317 states and 1519 transitions. [2020-11-07 04:18:49,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 04:18:49,888 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 272 [2020-11-07 04:18:49,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:49,893 INFO L225 Difference]: With dead ends: 1317 [2020-11-07 04:18:49,893 INFO L226 Difference]: Without dead ends: 697 [2020-11-07 04:18:49,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:18:49,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2020-11-07 04:18:50,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 635. [2020-11-07 04:18:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-11-07 04:18:50,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 698 transitions. [2020-11-07 04:18:50,162 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 698 transitions. Word has length 272 [2020-11-07 04:18:50,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:50,162 INFO L481 AbstractCegarLoop]: Abstraction has 635 states and 698 transitions. [2020-11-07 04:18:50,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:18:50,162 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 698 transitions. [2020-11-07 04:18:50,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-11-07 04:18:50,165 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:50,166 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:18:50,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:18:50,166 INFO L429 AbstractCegarLoop]: === Iteration 8 === [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]=== [2020-11-07 04:18:50,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:50,167 INFO L82 PathProgramCache]: Analyzing trace with hash 319933892, now seen corresponding path program 1 times [2020-11-07 04:18:50,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:50,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [814003983] [2020-11-07 04:18:50,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,831 WARN L194 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:50,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:18:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:18:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:18:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:18:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-11-07 04:18:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-11-07 04:18:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-11-07 04:18:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:51,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:51,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:18:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:51,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:18:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:51,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-11-07 04:18:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:51,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:18:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-07 04:18:51,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [814003983] [2020-11-07 04:18:51,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:18:51,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-11-07 04:18:51,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856682004] [2020-11-07 04:18:51,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-07 04:18:51,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:51,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-07 04:18:51,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:18:51,271 INFO L87 Difference]: Start difference. First operand 635 states and 698 transitions. Second operand 15 states. [2020-11-07 04:18:52,271 WARN L194 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:18:54,078 WARN L194 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:58,486 WARN L194 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:59,194 WARN L194 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:59,928 WARN L194 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:00,617 WARN L194 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:01,302 WARN L194 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:02,005 WARN L194 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:19:02,679 WARN L194 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:03,367 WARN L194 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:04,062 WARN L194 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:04,794 WARN L194 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:05,482 WARN L194 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:19:06,167 WARN L194 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:06,864 WARN L194 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:07,547 WARN L194 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:19:08,226 WARN L194 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:08,944 WARN L194 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:09,663 WARN L194 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:19:10,341 WARN L194 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:11,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:19:11,542 INFO L93 Difference]: Finished difference Result 1674 states and 1922 transitions. [2020-11-07 04:19:11,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-11-07 04:19:11,543 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 267 [2020-11-07 04:19:11,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:19:11,551 INFO L225 Difference]: With dead ends: 1674 [2020-11-07 04:19:11,551 INFO L226 Difference]: Without dead ends: 1154 [2020-11-07 04:19:11,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=328, Invalid=1394, Unknown=0, NotChecked=0, Total=1722 [2020-11-07 04:19:11,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2020-11-07 04:19:12,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1047. [2020-11-07 04:19:12,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2020-11-07 04:19:12,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1149 transitions. [2020-11-07 04:19:12,121 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1149 transitions. Word has length 267 [2020-11-07 04:19:12,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:19:12,123 INFO L481 AbstractCegarLoop]: Abstraction has 1047 states and 1149 transitions. [2020-11-07 04:19:12,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-07 04:19:12,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1149 transitions. [2020-11-07 04:19:12,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-11-07 04:19:12,127 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:19:12,128 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:19:12,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:19:12,128 INFO L429 AbstractCegarLoop]: === Iteration 9 === [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]=== [2020-11-07 04:19:12,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:19:12,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1927793807, now seen corresponding path program 1 times [2020-11-07 04:19:12,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:19:12,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376498625] [2020-11-07 04:19:12,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:19:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,779 WARN L194 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:19:12,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:19:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:19:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:19:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:19:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:19:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:19:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:19:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:19:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:19:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-11-07 04:19:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-11-07 04:19:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-11-07 04:19:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-11-07 04:19:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:19:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:19:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:12,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-11-07 04:19:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:13,056 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-07 04:19:13,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376498625] [2020-11-07 04:19:13,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:19:13,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 04:19:13,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337341030] [2020-11-07 04:19:13,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 04:19:13,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:19:13,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 04:19:13,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-11-07 04:19:13,059 INFO L87 Difference]: Start difference. First operand 1047 states and 1149 transitions. Second operand 8 states. [2020-11-07 04:19:14,382 WARN L194 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:15,559 WARN L194 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:19,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:19:19,939 INFO L93 Difference]: Finished difference Result 2133 states and 2444 transitions. [2020-11-07 04:19:19,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 04:19:19,939 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 276 [2020-11-07 04:19:19,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:19:19,948 INFO L225 Difference]: With dead ends: 2133 [2020-11-07 04:19:19,948 INFO L226 Difference]: Without dead ends: 1371 [2020-11-07 04:19:19,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:19:19,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2020-11-07 04:19:20,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1195. [2020-11-07 04:19:20,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1195 states. [2020-11-07 04:19:20,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1321 transitions. [2020-11-07 04:19:20,621 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1321 transitions. Word has length 276 [2020-11-07 04:19:20,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:19:20,622 INFO L481 AbstractCegarLoop]: Abstraction has 1195 states and 1321 transitions. [2020-11-07 04:19:20,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 04:19:20,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1321 transitions. [2020-11-07 04:19:20,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-11-07 04:19:20,626 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:19:20,627 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:19:20,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:19:20,627 INFO L429 AbstractCegarLoop]: === Iteration 10 === [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]=== [2020-11-07 04:19:20,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:19:20,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1950642329, now seen corresponding path program 1 times [2020-11-07 04:19:20,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:19:20,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078005463] [2020-11-07 04:19:20,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:19:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,374 WARN L194 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:19:21,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:19:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:19:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:19:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:19:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:19:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:19:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:19:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:19:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:19:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-11-07 04:19:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-11-07 04:19:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-11-07 04:19:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:19:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-11-07 04:19:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:19:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:21,796 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-07 04:19:21,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078005463] [2020-11-07 04:19:21,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:19:21,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 04:19:21,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312971085] [2020-11-07 04:19:21,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 04:19:21,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:19:21,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 04:19:21,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-11-07 04:19:21,799 INFO L87 Difference]: Start difference. First operand 1195 states and 1321 transitions. Second operand 13 states. [2020-11-07 04:19:22,811 WARN L194 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:24,280 WARN L194 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:26,325 WARN L194 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:27,049 WARN L194 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:27,754 WARN L194 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:28,447 WARN L194 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:29,101 WARN L194 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:29,770 WARN L194 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:30,444 WARN L194 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:31,149 WARN L194 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:31,879 WARN L194 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:19:32,594 WARN L194 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:35,401 WARN L194 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:36,055 WARN L194 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:38,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:19:38,057 INFO L93 Difference]: Finished difference Result 2571 states and 3011 transitions. [2020-11-07 04:19:38,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-11-07 04:19:38,058 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 271 [2020-11-07 04:19:38,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:19:38,072 INFO L225 Difference]: With dead ends: 2571 [2020-11-07 04:19:38,072 INFO L226 Difference]: Without dead ends: 1661 [2020-11-07 04:19:38,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 51 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=363, Invalid=897, Unknown=0, NotChecked=0, Total=1260 [2020-11-07 04:19:38,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2020-11-07 04:19:38,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1349. [2020-11-07 04:19:38,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1349 states. [2020-11-07 04:19:38,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 1495 transitions. [2020-11-07 04:19:38,911 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 1495 transitions. Word has length 271 [2020-11-07 04:19:38,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:19:38,912 INFO L481 AbstractCegarLoop]: Abstraction has 1349 states and 1495 transitions. [2020-11-07 04:19:38,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 04:19:38,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1495 transitions. [2020-11-07 04:19:38,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-11-07 04:19:38,918 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:19:38,918 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:19:38,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:19:38,919 INFO L429 AbstractCegarLoop]: === Iteration 11 === [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]=== [2020-11-07 04:19:38,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:19:38,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1248747090, now seen corresponding path program 2 times [2020-11-07 04:19:38,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:19:38,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1107346241] [2020-11-07 04:19:38,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:19:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:19:38,998 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:19:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:19:39,073 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:19:39,472 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 04:19:39,472 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 04:19:39,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:19:39,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:19:39 BoogieIcfgContainer [2020-11-07 04:19:39,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 04:19:39,834 INFO L168 Benchmark]: Toolchain (without parser) took 118231.32 ms. Allocated memory was 151.0 MB in the beginning and 684.7 MB in the end (delta: 533.7 MB). Free memory was 126.8 MB in the beginning and 439.2 MB in the end (delta: -312.4 MB). Peak memory consumption was 222.8 MB. Max. memory is 8.0 GB. [2020-11-07 04:19:39,834 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 124.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 04:19:39,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.71 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 105.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-11-07 04:19:39,837 INFO L168 Benchmark]: Boogie Preprocessor took 97.25 ms. Allocated memory is still 151.0 MB. Free memory was 105.1 MB in the beginning and 101.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-07 04:19:39,844 INFO L168 Benchmark]: RCFGBuilder took 1934.41 ms. Allocated memory was 151.0 MB in the beginning and 184.5 MB in the end (delta: 33.6 MB). Free memory was 101.1 MB in the beginning and 145.7 MB in the end (delta: -44.7 MB). Peak memory consumption was 54.9 MB. Max. memory is 8.0 GB. [2020-11-07 04:19:39,845 INFO L168 Benchmark]: TraceAbstraction took 115585.12 ms. Allocated memory was 184.5 MB in the beginning and 684.7 MB in the end (delta: 500.2 MB). Free memory was 145.2 MB in the beginning and 439.2 MB in the end (delta: -294.0 MB). Peak memory consumption was 206.7 MB. Max. memory is 8.0 GB. [2020-11-07 04:19:39,848 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 124.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 602.71 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 105.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 97.25 ms. Allocated memory is still 151.0 MB. Free memory was 105.1 MB in the beginning and 101.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1934.41 ms. Allocated memory was 151.0 MB in the beginning and 184.5 MB in the end (delta: 33.6 MB). Free memory was 101.1 MB in the beginning and 145.7 MB in the end (delta: -44.7 MB). Peak memory consumption was 54.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 115585.12 ms. Allocated memory was 184.5 MB in the beginning and 684.7 MB in the end (delta: 500.2 MB). Free memory was 145.2 MB in the beginning and 439.2 MB in the end (delta: -294.0 MB). Peak memory consumption was 206.7 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: [L157] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=174, \old(head)=165, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=142, cleanupTimeShifts=174, head={182:165}, methaneLevelCritical=146, pumpRunning=0, systemActive=137, waterLevel=142] [L158] int systemActive = 1; VAL [\old(cleanupTimeShifts)=174, \old(head)=182, \old(head)=165, \old(methaneLevelCritical)=146, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=142, cleanupTimeShifts=174, head={182:165}, methaneLevelCritical=146, pumpRunning=0, systemActive=1, waterLevel=142] [L336] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=174, \old(head)=165, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=142, cleanupTimeShifts=4, head={182:165}, methaneLevelCritical=146, pumpRunning=0, systemActive=1, waterLevel=142] [L442] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=174, \old(head)=182, \old(head)=165, \old(methaneLevelCritical)=146, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=142, cleanupTimeShifts=4, head={182:165}, methaneLevelCritical=146, pumpRunning=0, systemActive=1, waterLevel=1] [L443] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=174, \old(head)=165, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=142, cleanupTimeShifts=4, head={182:165}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L705] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=174, \old(head)=165, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L409] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L410] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L414] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L415] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L416] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L71] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L74] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L75] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L416] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L416] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L418] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L420] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L421] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L403] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L85] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L86] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L87] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L88] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L89] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L92] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L94] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L96] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L102] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L104] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L106] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L460] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L461] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L106] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L112] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L114] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L122] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L124] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L137] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L165] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L172] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L174] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L220] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L223] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L238] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L194] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L199] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L317] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L318] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L319] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L323] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L522] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L525] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L529] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L530] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L323] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L323] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L325] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L328] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L330] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L331] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L199] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L199] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L201] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L203] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L248] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L203] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L238] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L174] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L180] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L903] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L904] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L908] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L513] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L516] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L517] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L908] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L908] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L910] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L180] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L137] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L94] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L96] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L102] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L104] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L112] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L114] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L122] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L124] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L137] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L165] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L167] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L448] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L449] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L167] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L172] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L174] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L220] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L223] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L225] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L261] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L265] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L481] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L484] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L485] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L265] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L265] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L267] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L225] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L225] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L227] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L233] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L194] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L197] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L212] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L233] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L174] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L180] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L903] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L904] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L908] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L513] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L516] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L517] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L908] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L908] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L910] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L180] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L137] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L94] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L96] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L102] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L104] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L112] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L114] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L122] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L124] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L137] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L165] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L167] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L448] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L449] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L167] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L172] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L174] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L220] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L223] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L225] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L261] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L265] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L481] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L484] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L485] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L265] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L265] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L267] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L225] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L225] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L227] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L233] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L194] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L197] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L212] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L233] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L174] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L180] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L903] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L904] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L908] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L513] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L516] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L517] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L908] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L908] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L910] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L912] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L272] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L275] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L276] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L912] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L912] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L914] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L916] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L436] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L3] __assert_fail("0", "minepump_spec4_product37.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 631 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 115.1s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 100.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2708 SDtfs, 5183 SDslu, 5821 SDs, 0 SdLazy, 12800 SolverSat, 1554 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 545 GetRequests, 347 SyntacticMatches, 12 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1044 ImplicationChecksByTransitivity, 61.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1349occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 1007 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 2519 NumberOfCodeBlocks, 2519 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2168 ConstructedInterpolants, 0 QuantifiedInterpolants, 1142488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 183/198 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...