/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:41:34,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:41:34,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:41:34,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:41:34,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:41:34,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:41:34,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:41:34,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:41:34,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:41:34,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:41:34,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:41:34,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:41:34,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:41:34,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:41:34,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:41:34,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:41:34,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:41:34,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:41:34,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:41:34,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:41:34,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:41:34,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:41:34,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:41:34,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:41:34,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:41:34,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:41:34,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:41:34,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:41:34,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:41:34,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:41:34,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:41:34,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:41:34,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:41:34,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:41:34,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:41:34,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:41:34,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:41:34,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:41:34,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:41:34,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:41:34,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:41:34,291 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 16:41:34,300 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:41:34,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:41:34,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:41:34,305 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:41:34,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:41:34,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:41:34,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:41:34,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:41:34,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:41:34,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:41:34,306 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:41:34,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:41:34,307 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:41:34,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:41:34,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:41:34,311 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:41:34,311 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:41:34,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:41:34,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:41:34,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:41:34,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:41:34,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:41:34,312 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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 [2020-07-17 16:41:34,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:41:34,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:41:34,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:41:34,624 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:41:34,624 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:41:34,625 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product48.cil.c [2020-07-17 16:41:34,714 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a69e3d62/24db46b577554d65b0a9ae16d477c8c2/FLAG42d8dc69c [2020-07-17 16:41:35,333 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:41:35,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product48.cil.c [2020-07-17 16:41:35,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a69e3d62/24db46b577554d65b0a9ae16d477c8c2/FLAG42d8dc69c [2020-07-17 16:41:35,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a69e3d62/24db46b577554d65b0a9ae16d477c8c2 [2020-07-17 16:41:35,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:41:35,681 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:41:35,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:41:35,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:41:35,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:41:35,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:41:35" (1/1) ... [2020-07-17 16:41:35,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9acad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:41:35, skipping insertion in model container [2020-07-17 16:41:35,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:41:35" (1/1) ... [2020-07-17 16:41:35,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:41:35,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:41:36,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:41:36,205 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:41:36,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:41:36,324 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:41:36,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:41:36 WrapperNode [2020-07-17 16:41:36,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:41:36,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:41:36,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:41:36,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:41:36,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:41:36" (1/1) ... [2020-07-17 16:41:36,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:41:36" (1/1) ... [2020-07-17 16:41:36,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:41:36" (1/1) ... [2020-07-17 16:41:36,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:41:36" (1/1) ... [2020-07-17 16:41:36,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:41:36" (1/1) ... [2020-07-17 16:41:36,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:41:36" (1/1) ... [2020-07-17 16:41:36,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:41:36" (1/1) ... [2020-07-17 16:41:36,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:41:36,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:41:36,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:41:36,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:41:36,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:41:36" (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 [2020-07-17 16:41:36,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:41:36,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:41:36,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:41:36,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-17 16:41:36,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:41:36,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:41:36,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:41:36,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:41:36,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:41:36,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:41:36,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:41:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:41:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:41:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:41:36,512 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:41:36,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:41:36,513 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:41:36,513 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 16:41:36,513 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-17 16:41:36,514 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:41:36,514 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-17 16:41:36,514 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:41:36,517 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:41:36,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:41:36,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:41:36,518 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:41:36,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 16:41:36,518 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 16:41:36,518 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 16:41:36,518 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:41:36,518 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:41:36,519 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:41:36,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:41:36,519 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:41:36,520 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:41:36,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 16:41:36,520 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:41:36,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:41:36,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:41:36,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:41:36,521 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:41:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:41:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:41:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:41:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:41:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:41:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:41:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-17 16:41:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:41:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:41:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:41:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:41:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:41:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:41:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:41:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:41:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:41:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:41:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:41:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:41:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:41:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:41:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:41:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:41:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:41:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:41:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:41:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:41:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:41:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:41:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:41:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:41:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:41:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:41:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:41:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:41:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:41:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:41:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:41:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:41:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:41:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 16:41:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:41:36,528 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:41:36,528 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 16:41:36,528 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 16:41:36,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:41:36,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 16:41:36,528 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 16:41:36,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-17 16:41:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:41:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-17 16:41:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:41:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:41:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:41:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:41:37,676 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:41:37,676 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:41:37,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:41:37 BoogieIcfgContainer [2020-07-17 16:41:37,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:41:37,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:41:37,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:41:37,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:41:37,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:41:35" (1/3) ... [2020-07-17 16:41:37,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c78e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:41:37, skipping insertion in model container [2020-07-17 16:41:37,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:41:36" (2/3) ... [2020-07-17 16:41:37,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c78e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:41:37, skipping insertion in model container [2020-07-17 16:41:37,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:41:37" (3/3) ... [2020-07-17 16:41:37,693 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product48.cil.c [2020-07-17 16:41:37,704 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:41:37,713 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:41:37,728 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:41:37,751 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:41:37,751 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:41:37,751 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:41:37,752 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:41:37,752 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:41:37,752 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:41:37,752 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:41:37,753 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:41:37,776 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states. [2020-07-17 16:41:37,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-17 16:41:37,799 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:37,801 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] [2020-07-17 16:41:37,801 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:37,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:37,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1278717342, now seen corresponding path program 1 times [2020-07-17 16:41:37,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:37,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [530885183] [2020-07-17 16:41:37,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,496 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:41:38,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [530885183] [2020-07-17 16:41:38,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:41:38,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 16:41:38,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660558328] [2020-07-17 16:41:38,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 16:41:38,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:38,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 16:41:38,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:41:38,702 INFO L87 Difference]: Start difference. First operand 325 states. Second operand 3 states. [2020-07-17 16:41:40,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:40,361 INFO L93 Difference]: Finished difference Result 520 states and 619 transitions. [2020-07-17 16:41:40,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 16:41:40,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-07-17 16:41:40,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:40,397 INFO L225 Difference]: With dead ends: 520 [2020-07-17 16:41:40,397 INFO L226 Difference]: Without dead ends: 320 [2020-07-17 16:41:40,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:41:40,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-07-17 16:41:40,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 274. [2020-07-17 16:41:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-07-17 16:41:40,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 299 transitions. [2020-07-17 16:41:40,551 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 299 transitions. Word has length 142 [2020-07-17 16:41:40,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:40,552 INFO L479 AbstractCegarLoop]: Abstraction has 274 states and 299 transitions. [2020-07-17 16:41:40,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 16:41:40,552 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 299 transitions. [2020-07-17 16:41:40,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-17 16:41:40,557 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:40,557 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] [2020-07-17 16:41:40,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:41:40,558 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:40,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:40,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1976883783, now seen corresponding path program 1 times [2020-07-17 16:41:40,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:40,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1017446040] [2020-07-17 16:41:40,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:40,994 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:41,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:41:41,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1017446040] [2020-07-17 16:41:41,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:41:41,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:41:41,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954839777] [2020-07-17 16:41:41,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:41:41,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:41,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:41:41,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:41:41,100 INFO L87 Difference]: Start difference. First operand 274 states and 299 transitions. Second operand 4 states. [2020-07-17 16:41:41,695 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:42,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:42,740 INFO L93 Difference]: Finished difference Result 427 states and 482 transitions. [2020-07-17 16:41:42,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 16:41:42,743 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-07-17 16:41:42,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:42,747 INFO L225 Difference]: With dead ends: 427 [2020-07-17 16:41:42,747 INFO L226 Difference]: Without dead ends: 303 [2020-07-17 16:41:42,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 16:41:42,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-07-17 16:41:42,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 264. [2020-07-17 16:41:42,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-07-17 16:41:42,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 286 transitions. [2020-07-17 16:41:42,879 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 286 transitions. Word has length 143 [2020-07-17 16:41:42,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:42,880 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 286 transitions. [2020-07-17 16:41:42,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:41:42,881 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 286 transitions. [2020-07-17 16:41:42,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-17 16:41:42,885 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:42,885 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] [2020-07-17 16:41:42,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:41:42,886 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:42,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:42,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1434420260, now seen corresponding path program 1 times [2020-07-17 16:41:42,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:42,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264192953] [2020-07-17 16:41:42,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:43,224 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:43,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:41:43,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264192953] [2020-07-17 16:41:43,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:41:43,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 16:41:43,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770878113] [2020-07-17 16:41:43,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 16:41:43,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:43,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 16:41:43,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 16:41:43,365 INFO L87 Difference]: Start difference. First operand 264 states and 286 transitions. Second operand 10 states. [2020-07-17 16:41:44,046 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:44,514 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:44,827 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:41:45,080 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:45,378 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:45,635 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:46,495 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:48,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:48,943 INFO L93 Difference]: Finished difference Result 731 states and 852 transitions. [2020-07-17 16:41:48,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 16:41:48,943 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2020-07-17 16:41:48,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:48,949 INFO L225 Difference]: With dead ends: 731 [2020-07-17 16:41:48,949 INFO L226 Difference]: Without dead ends: 577 [2020-07-17 16:41:48,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-07-17 16:41:48,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2020-07-17 16:41:49,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 478. [2020-07-17 16:41:49,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-07-17 16:41:49,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 536 transitions. [2020-07-17 16:41:49,137 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 536 transitions. Word has length 156 [2020-07-17 16:41:49,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:49,137 INFO L479 AbstractCegarLoop]: Abstraction has 478 states and 536 transitions. [2020-07-17 16:41:49,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 16:41:49,138 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 536 transitions. [2020-07-17 16:41:49,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-17 16:41:49,141 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:49,141 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] [2020-07-17 16:41:49,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:41:49,142 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:49,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:49,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1340372779, now seen corresponding path program 1 times [2020-07-17 16:41:49,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:49,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573974357] [2020-07-17 16:41:49,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:49,554 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:41:49,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573974357] [2020-07-17 16:41:49,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:41:49,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-17 16:41:49,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907432115] [2020-07-17 16:41:49,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 16:41:49,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:49,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 16:41:49,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-07-17 16:41:49,784 INFO L87 Difference]: Start difference. First operand 478 states and 536 transitions. Second operand 14 states. [2020-07-17 16:41:50,300 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:50,638 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:50,885 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:41:51,133 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:51,374 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:51,619 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:52,285 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:53,351 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:53,643 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:54,068 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:54,384 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:54,666 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:54,904 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:41:55,145 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:55,413 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:55,675 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:56,060 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:56,413 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:41:56,755 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:57,085 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:59,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:59,362 INFO L93 Difference]: Finished difference Result 1680 states and 2103 transitions. [2020-07-17 16:41:59,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-17 16:41:59,363 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 161 [2020-07-17 16:41:59,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:59,378 INFO L225 Difference]: With dead ends: 1680 [2020-07-17 16:41:59,379 INFO L226 Difference]: Without dead ends: 1312 [2020-07-17 16:41:59,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-07-17 16:41:59,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2020-07-17 16:41:59,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1169. [2020-07-17 16:41:59,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1169 states. [2020-07-17 16:41:59,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1381 transitions. [2020-07-17 16:41:59,923 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1381 transitions. Word has length 161 [2020-07-17 16:41:59,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:59,924 INFO L479 AbstractCegarLoop]: Abstraction has 1169 states and 1381 transitions. [2020-07-17 16:41:59,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 16:41:59,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1381 transitions. [2020-07-17 16:41:59,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-17 16:41:59,929 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:59,929 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] [2020-07-17 16:41:59,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:41:59,930 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:59,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:59,930 INFO L82 PathProgramCache]: Analyzing trace with hash -277417807, now seen corresponding path program 1 times [2020-07-17 16:41:59,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:59,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532027276] [2020-07-17 16:41:59,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:00,201 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:42:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:00,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:42:00,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532027276] [2020-07-17 16:42:00,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:42:00,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 16:42:00,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665623336] [2020-07-17 16:42:00,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 16:42:00,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:42:00,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 16:42:00,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 16:42:00,359 INFO L87 Difference]: Start difference. First operand 1169 states and 1381 transitions. Second operand 6 states. [2020-07-17 16:42:00,801 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:42:03,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:42:03,354 INFO L93 Difference]: Finished difference Result 2774 states and 3444 transitions. [2020-07-17 16:42:03,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 16:42:03,355 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2020-07-17 16:42:03,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:42:03,367 INFO L225 Difference]: With dead ends: 2774 [2020-07-17 16:42:03,367 INFO L226 Difference]: Without dead ends: 1715 [2020-07-17 16:42:03,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:42:03,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2020-07-17 16:42:04,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1588. [2020-07-17 16:42:04,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1588 states. [2020-07-17 16:42:04,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 1850 transitions. [2020-07-17 16:42:04,061 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 1850 transitions. Word has length 166 [2020-07-17 16:42:04,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:42:04,062 INFO L479 AbstractCegarLoop]: Abstraction has 1588 states and 1850 transitions. [2020-07-17 16:42:04,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 16:42:04,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1850 transitions. [2020-07-17 16:42:04,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-07-17 16:42:04,066 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:42:04,067 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] [2020-07-17 16:42:04,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:42:04,067 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:42:04,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:42:04,068 INFO L82 PathProgramCache]: Analyzing trace with hash -426920362, now seen corresponding path program 1 times [2020-07-17 16:42:04,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:42:04,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [113347011] [2020-07-17 16:42:04,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:42:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:04,351 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:42:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:04,538 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-07-17 16:42:04,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [113347011] [2020-07-17 16:42:04,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:42:04,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-17 16:42:04,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032304203] [2020-07-17 16:42:04,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 16:42:04,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:42:04,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 16:42:04,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:42:04,542 INFO L87 Difference]: Start difference. First operand 1588 states and 1850 transitions. Second operand 11 states. [2020-07-17 16:42:05,075 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:42:07,020 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:42:07,281 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:42:07,611 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:42:07,877 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:42:08,128 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:42:09,042 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:42:09,298 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:42:09,626 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:42:10,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:42:10,412 INFO L93 Difference]: Finished difference Result 1778 states and 2134 transitions. [2020-07-17 16:42:10,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-17 16:42:10,413 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 209 [2020-07-17 16:42:10,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:42:10,423 INFO L225 Difference]: With dead ends: 1778 [2020-07-17 16:42:10,423 INFO L226 Difference]: Without dead ends: 1775 [2020-07-17 16:42:10,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2020-07-17 16:42:10,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2020-07-17 16:42:10,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 1597. [2020-07-17 16:42:10,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1597 states. [2020-07-17 16:42:10,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 1858 transitions. [2020-07-17 16:42:10,887 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 1858 transitions. Word has length 209 [2020-07-17 16:42:10,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:42:10,887 INFO L479 AbstractCegarLoop]: Abstraction has 1597 states and 1858 transitions. [2020-07-17 16:42:10,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 16:42:10,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1858 transitions. [2020-07-17 16:42:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-07-17 16:42:10,896 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:42:10,896 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:42:10,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 16:42:10,897 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:42:10,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:42:10,897 INFO L82 PathProgramCache]: Analyzing trace with hash -2049626287, now seen corresponding path program 1 times [2020-07-17 16:42:10,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:42:10,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1702625181] [2020-07-17 16:42:10,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:42:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,209 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:42:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:11,573 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-17 16:42:11,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1702625181] [2020-07-17 16:42:11,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:42:11,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-07-17 16:42:11,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207586239] [2020-07-17 16:42:11,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-17 16:42:11,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:42:11,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-17 16:42:11,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-07-17 16:42:11,576 INFO L87 Difference]: Start difference. First operand 1597 states and 1858 transitions. Second operand 18 states. [2020-07-17 16:42:12,361 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-17 16:42:13,200 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:42:14,733 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-07-17 16:42:15,278 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-17 16:42:15,888 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-07-17 16:42:16,444 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-17 16:42:16,717 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:42:17,029 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:42:17,506 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 16:42:17,779 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:42:18,225 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-17 16:42:18,524 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:42:18,845 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:42:19,206 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:42:21,199 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:42:21,550 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:42:21,821 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:42:22,106 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:42:22,410 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:42:22,795 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:42:23,047 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:42:25,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:42:25,535 INFO L93 Difference]: Finished difference Result 3652 states and 4609 transitions. [2020-07-17 16:42:25,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-07-17 16:42:25,536 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 269 [2020-07-17 16:42:25,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:42:25,549 INFO L225 Difference]: With dead ends: 3652 [2020-07-17 16:42:25,550 INFO L226 Difference]: Without dead ends: 2165 [2020-07-17 16:42:25,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 894 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=637, Invalid=2785, Unknown=0, NotChecked=0, Total=3422 [2020-07-17 16:42:25,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2165 states. [2020-07-17 16:42:26,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2165 to 1781. [2020-07-17 16:42:26,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1781 states. [2020-07-17 16:42:26,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1781 states and 2046 transitions. [2020-07-17 16:42:26,464 INFO L78 Accepts]: Start accepts. Automaton has 1781 states and 2046 transitions. Word has length 269 [2020-07-17 16:42:26,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:42:26,465 INFO L479 AbstractCegarLoop]: Abstraction has 1781 states and 2046 transitions. [2020-07-17 16:42:26,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-17 16:42:26,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 2046 transitions. [2020-07-17 16:42:26,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-07-17 16:42:26,475 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:42:26,475 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 16:42:26,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 16:42:26,476 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:42:26,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:42:26,477 INFO L82 PathProgramCache]: Analyzing trace with hash 722441679, now seen corresponding path program 1 times [2020-07-17 16:42:26,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:42:26,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921277290] [2020-07-17 16:42:26,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:42:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,788 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:42:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:27,094 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-17 16:42:27,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [921277290] [2020-07-17 16:42:27,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:42:27,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-07-17 16:42:27,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978822938] [2020-07-17 16:42:27,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 16:42:27,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:42:27,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 16:42:27,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-07-17 16:42:27,096 INFO L87 Difference]: Start difference. First operand 1781 states and 2046 transitions. Second operand 14 states. [2020-07-17 16:42:27,556 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:42:28,290 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:42:29,112 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:42:29,363 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:42:29,636 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:42:29,889 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:42:30,122 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:42:30,363 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:42:30,609 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:42:30,873 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:42:31,158 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:42:31,424 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:42:34,103 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:42:34,341 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:42:36,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:42:36,555 INFO L93 Difference]: Finished difference Result 4516 states and 5715 transitions. [2020-07-17 16:42:36,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-07-17 16:42:36,556 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 295 [2020-07-17 16:42:36,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:42:36,575 INFO L225 Difference]: With dead ends: 4516 [2020-07-17 16:42:36,576 INFO L226 Difference]: Without dead ends: 3304 [2020-07-17 16:42:36,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 70 SyntacticMatches, 6 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=617, Invalid=1639, Unknown=0, NotChecked=0, Total=2256 [2020-07-17 16:42:36,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3304 states. [2020-07-17 16:42:37,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3304 to 2356. [2020-07-17 16:42:37,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2356 states. [2020-07-17 16:42:37,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 2356 states and 2730 transitions. [2020-07-17 16:42:37,296 INFO L78 Accepts]: Start accepts. Automaton has 2356 states and 2730 transitions. Word has length 295 [2020-07-17 16:42:37,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:42:37,297 INFO L479 AbstractCegarLoop]: Abstraction has 2356 states and 2730 transitions. [2020-07-17 16:42:37,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 16:42:37,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 2730 transitions. [2020-07-17 16:42:37,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-07-17 16:42:37,304 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:42:37,304 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 16:42:37,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 16:42:37,304 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:42:37,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:42:37,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1359047830, now seen corresponding path program 1 times [2020-07-17 16:42:37,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:42:37,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589175917] [2020-07-17 16:42:37,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:42:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,560 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:42:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:42:37,859 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-17 16:42:37,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [589175917] [2020-07-17 16:42:37,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:42:37,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-07-17 16:42:37,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988382440] [2020-07-17 16:42:37,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-17 16:42:37,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:42:37,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-17 16:42:37,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-17 16:42:37,861 INFO L87 Difference]: Start difference. First operand 2356 states and 2730 transitions. Second operand 15 states. [2020-07-17 16:42:38,406 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:42:38,731 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:42:38,962 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:42:39,192 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:42:39,413 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:42:40,319 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:42:40,561 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:42:40,818 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:42:41,079 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:42:41,312 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:42:43,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:42:43,296 INFO L93 Difference]: Finished difference Result 4453 states and 5391 transitions. [2020-07-17 16:42:43,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 16:42:43,297 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 290 [2020-07-17 16:42:43,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:42:43,310 INFO L225 Difference]: With dead ends: 4453 [2020-07-17 16:42:43,311 INFO L226 Difference]: Without dead ends: 2207 [2020-07-17 16:42:43,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-07-17 16:42:43,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2020-07-17 16:42:44,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 1923. [2020-07-17 16:42:44,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2020-07-17 16:42:44,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2216 transitions. [2020-07-17 16:42:44,021 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2216 transitions. Word has length 290 [2020-07-17 16:42:44,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:42:44,021 INFO L479 AbstractCegarLoop]: Abstraction has 1923 states and 2216 transitions. [2020-07-17 16:42:44,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-17 16:42:44,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2216 transitions. [2020-07-17 16:42:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-07-17 16:42:44,027 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:42:44,028 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:42:44,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 16:42:44,028 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:42:44,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:42:44,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1293487728, now seen corresponding path program 2 times [2020-07-17 16:42:44,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:42:44,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1279781380] [2020-07-17 16:42:44,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:42:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:42:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:42:45,009 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 16:42:45,010 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 16:42:45,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 16:42:45,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:42:45 BoogieIcfgContainer [2020-07-17 16:42:45,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 16:42:45,437 INFO L168 Benchmark]: Toolchain (without parser) took 69757.25 ms. Allocated memory was 136.8 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 100.6 MB in the beginning and 320.5 MB in the end (delta: -219.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-07-17 16:42:45,437 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 16:42:45,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.18 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 100.2 MB in the beginning and 167.8 MB in the end (delta: -67.6 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2020-07-17 16:42:45,441 INFO L168 Benchmark]: Boogie Preprocessor took 93.44 ms. Allocated memory is still 200.3 MB. Free memory was 167.8 MB in the beginning and 163.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-17 16:42:45,448 INFO L168 Benchmark]: RCFGBuilder took 1265.52 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 163.7 MB in the beginning and 172.3 MB in the end (delta: -8.6 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2020-07-17 16:42:45,449 INFO L168 Benchmark]: TraceAbstraction took 67749.95 ms. Allocated memory was 231.2 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 172.3 MB in the beginning and 320.5 MB in the end (delta: -148.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-07-17 16:42:45,451 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 641.18 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 100.2 MB in the beginning and 167.8 MB in the end (delta: -67.6 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.44 ms. Allocated memory is still 200.3 MB. Free memory was 167.8 MB in the beginning and 163.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1265.52 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 163.7 MB in the beginning and 172.3 MB in the end (delta: -8.6 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 67749.95 ms. Allocated memory was 231.2 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 172.3 MB in the beginning and 320.5 MB in the end (delta: -148.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 439]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L238] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=172, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=172, head={0:0}, methaneLevelCritical=144, pumpRunning=132, systemActive=131, waterLevel=138] [L444] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=144, pumpRunning=132, systemActive=131, waterLevel=138] [L556] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=172, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=144, pumpRunning=0, systemActive=131, waterLevel=138] [L557] int systemActive = 1; VAL [\old(cleanupTimeShifts)=172, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=144, pumpRunning=0, systemActive=1, waterLevel=138] [L774] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=172, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=144, pumpRunning=0, systemActive=1, waterLevel=1] [L775] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L525] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L526] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L530] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L531] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L963] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L966] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L967] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L532] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L532] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L534] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L536] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L537] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L516] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L869] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L870] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L871] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L872] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L873] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L876] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L878] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L880] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L886] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L888] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L890] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L792] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L793] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L890] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L896] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L898] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L906] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L908] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L910] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L769] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L910] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L925] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L563] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L570] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L572] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L618] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L636] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L592] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L595] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L597] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L732] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L733] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L734] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L738] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L854] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L857] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L861] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L862] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L738] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L738] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L740] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L743] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L745] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L746] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L597] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L597] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L599] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L601] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L651] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L655] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L676] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L680] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L813] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L816] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L817] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L680] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L680] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L682] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L655] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L655] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L657] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L661] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L646] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L661] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L601] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L636] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L572] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L578] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L44] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L845] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L848] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L849] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L49] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L51] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L578] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L925] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L878] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L880] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L886] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L888] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L896] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L898] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L906] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L908] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L910] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L769] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L910] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L925] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L563] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L565] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L780] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L781] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L565] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L570] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L572] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L618] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L621] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L623] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L676] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L680] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L813] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L816] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L817] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L680] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L680] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L682] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L623] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L623] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L625] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L631] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L592] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L595] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L610] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L631] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L572] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L578] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L44] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L845] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L848] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L849] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L49] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L51] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L578] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L925] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L878] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L880] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L886] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L888] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L896] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L898] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L906] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L908] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L910] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L769] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L910] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L925] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L563] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L565] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L780] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L781] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L565] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L570] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L572] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L618] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L621] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L623] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L676] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L680] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L813] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L816] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L817] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L680] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L680] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L682] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L623] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L623] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L625] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L631] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L592] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L595] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L610] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L631] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L572] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L578] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L44] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L845] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L848] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L849] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L49] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L51] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L53] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L687] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L690] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L691] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L53] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L53] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L55] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L57] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L439] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 637 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 67.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 56.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2516 SDtfs, 8435 SDslu, 6431 SDs, 0 SdLazy, 16262 SolverSat, 3335 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 537 GetRequests, 313 SyntacticMatches, 8 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1971 ImplicationChecksByTransitivity, 25.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2356occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 2248 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 2200 NumberOfCodeBlocks, 2200 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1822 ConstructedInterpolants, 0 QuantifiedInterpolants, 945649 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 163/186 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...