/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_spec3_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:35:27,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:35:27,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:35:27,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:35:27,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:35:27,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:35:27,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:35:27,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:35:27,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:35:27,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:35:27,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:35:27,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:35:27,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:35:27,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:35:27,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:35:27,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:35:27,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:35:27,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:35:27,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:35:27,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:35:27,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:35:27,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:35:27,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:35:27,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:35:27,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:35:27,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:35:27,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:35:27,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:35:27,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:35:27,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:35:27,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:35:27,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:35:27,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:35:27,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:35:27,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:35:27,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:35:27,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:35:27,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:35:27,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:35:27,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:35:27,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:35:27,306 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 16:35:27,328 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:35:27,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:35:27,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:35:27,334 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:35:27,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:35:27,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:35:27,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:35:27,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:35:27,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:35:27,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:35:27,335 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:35:27,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:35:27,336 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:35:27,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:35:27,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:35:27,340 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:35:27,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:35:27,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:35:27,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:35:27,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:35:27,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:35:27,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:35:27,341 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 16:35:27,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:35:27,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:35:27,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:35:27,631 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:35:27,631 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:35:27,632 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product17.cil.c [2020-07-17 16:35:27,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f63fa7e9b/4ec7e199560b48bab8d1d273ecf07b5b/FLAG2ff0f608e [2020-07-17 16:35:28,164 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:35:28,165 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product17.cil.c [2020-07-17 16:35:28,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f63fa7e9b/4ec7e199560b48bab8d1d273ecf07b5b/FLAG2ff0f608e [2020-07-17 16:35:28,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f63fa7e9b/4ec7e199560b48bab8d1d273ecf07b5b [2020-07-17 16:35:28,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:35:28,514 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:35:28,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:35:28,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:35:28,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:35:28,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:35:28" (1/1) ... [2020-07-17 16:35:28,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f9c9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:28, skipping insertion in model container [2020-07-17 16:35:28,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:35:28" (1/1) ... [2020-07-17 16:35:28,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:35:28,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:35:29,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:35:29,047 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:35:29,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:35:29,160 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:35:29,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:29 WrapperNode [2020-07-17 16:35:29,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:35:29,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:35:29,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:35:29,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:35:29,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:29" (1/1) ... [2020-07-17 16:35:29,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:29" (1/1) ... [2020-07-17 16:35:29,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:29" (1/1) ... [2020-07-17 16:35:29,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:29" (1/1) ... [2020-07-17 16:35:29,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:29" (1/1) ... [2020-07-17 16:35:29,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:29" (1/1) ... [2020-07-17 16:35:29,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:29" (1/1) ... [2020-07-17 16:35:29,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:35:29,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:35:29,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:35:29,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:35:29,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:29" (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 16:35:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:35:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:35:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:35:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:35:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:35:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:35:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:35:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:35:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:35:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:35:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:35:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:35:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:35:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:35:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:35:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 16:35:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:35:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:35:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:35:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 16:35:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:35:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:35:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:35:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:35:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:35:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:35:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 16:35:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:35:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:35:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:35:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:35:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:35:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:35:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:35:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:35:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:35:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 16:35:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:35:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:35:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:35:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:35:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:35:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:35:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:35:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:35:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:35:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:35:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:35:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:35:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:35:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:35:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:35:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:35:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:35:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:35:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:35:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:35:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:35:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:35:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:35:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:35:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:35:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:35:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 16:35:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:35:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:35:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:35:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:35:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:35:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:35:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:35:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:35:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 16:35:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:35:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 16:35:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 16:35:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:35:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:35:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:35:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:35:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:35:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:35:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:35:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:35:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:35:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:35:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:35:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:35:30,412 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:35:30,414 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:35:30,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:35:30 BoogieIcfgContainer [2020-07-17 16:35:30,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:35:30,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:35:30,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:35:30,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:35:30,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:35:28" (1/3) ... [2020-07-17 16:35:30,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf89c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:35:30, skipping insertion in model container [2020-07-17 16:35:30,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:29" (2/3) ... [2020-07-17 16:35:30,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf89c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:35:30, skipping insertion in model container [2020-07-17 16:35:30,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:35:30" (3/3) ... [2020-07-17 16:35:30,428 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product17.cil.c [2020-07-17 16:35:30,439 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:35:30,448 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:35:30,462 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:35:30,487 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:35:30,488 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:35:30,488 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:35:30,488 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:35:30,488 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:35:30,489 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:35:30,489 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:35:30,489 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:35:30,509 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-07-17 16:35:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-17 16:35:30,529 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:30,531 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] [2020-07-17 16:35:30,531 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:30,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:30,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1231247222, now seen corresponding path program 1 times [2020-07-17 16:35:30,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:30,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1568507934] [2020-07-17 16:35:30,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:31,254 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:31,453 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 16:35:31,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1568507934] [2020-07-17 16:35:31,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:31,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 16:35:31,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084829956] [2020-07-17 16:35:31,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 16:35:31,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:31,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 16:35:31,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:35:31,484 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 3 states. [2020-07-17 16:35:32,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:35:32,688 INFO L93 Difference]: Finished difference Result 435 states and 517 transitions. [2020-07-17 16:35:32,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 16:35:32,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-17 16:35:32,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:35:32,707 INFO L225 Difference]: With dead ends: 435 [2020-07-17 16:35:32,707 INFO L226 Difference]: Without dead ends: 274 [2020-07-17 16:35:32,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:35:32,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-07-17 16:35:32,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 235. [2020-07-17 16:35:32,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-07-17 16:35:32,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 253 transitions. [2020-07-17 16:35:32,831 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 253 transitions. Word has length 153 [2020-07-17 16:35:32,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:35:32,832 INFO L479 AbstractCegarLoop]: Abstraction has 235 states and 253 transitions. [2020-07-17 16:35:32,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 16:35:32,833 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 253 transitions. [2020-07-17 16:35:32,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-17 16:35:32,837 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:32,837 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] [2020-07-17 16:35:32,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:35:32,838 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:32,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:32,838 INFO L82 PathProgramCache]: Analyzing trace with hash -606501768, now seen corresponding path program 1 times [2020-07-17 16:35:32,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:32,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [605837867] [2020-07-17 16:35:32,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:33,188 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:33,259 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 16:35:33,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [605837867] [2020-07-17 16:35:33,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:33,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:35:33,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705349311] [2020-07-17 16:35:33,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:35:33,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:33,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:35:33,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:35:33,263 INFO L87 Difference]: Start difference. First operand 235 states and 253 transitions. Second operand 4 states. [2020-07-17 16:35:33,894 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:35:34,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:35:34,698 INFO L93 Difference]: Finished difference Result 352 states and 392 transitions. [2020-07-17 16:35:34,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 16:35:34,699 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-07-17 16:35:34,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:35:34,704 INFO L225 Difference]: With dead ends: 352 [2020-07-17 16:35:34,704 INFO L226 Difference]: Without dead ends: 257 [2020-07-17 16:35:34,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 16:35:34,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-07-17 16:35:34,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 225. [2020-07-17 16:35:34,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-07-17 16:35:34,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 240 transitions. [2020-07-17 16:35:34,779 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 240 transitions. Word has length 154 [2020-07-17 16:35:34,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:35:34,780 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 240 transitions. [2020-07-17 16:35:34,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:35:34,780 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 240 transitions. [2020-07-17 16:35:34,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-17 16:35:34,783 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:34,783 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] [2020-07-17 16:35:34,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:35:34,784 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:34,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:34,784 INFO L82 PathProgramCache]: Analyzing trace with hash -897278278, now seen corresponding path program 1 times [2020-07-17 16:35:34,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:34,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1227993053] [2020-07-17 16:35:34,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:35,112 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:35,271 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 16:35:35,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1227993053] [2020-07-17 16:35:35,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:35,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 16:35:35,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418637576] [2020-07-17 16:35:35,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:35:35,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:35,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:35:35,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:35:35,274 INFO L87 Difference]: Start difference. First operand 225 states and 240 transitions. Second operand 9 states. [2020-07-17 16:35:35,706 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:35:36,007 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:35:36,277 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:35:36,509 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:36,744 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:35:36,990 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:38,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:35:38,189 INFO L93 Difference]: Finished difference Result 372 states and 417 transitions. [2020-07-17 16:35:38,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 16:35:38,190 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2020-07-17 16:35:38,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:35:38,194 INFO L225 Difference]: With dead ends: 372 [2020-07-17 16:35:38,194 INFO L226 Difference]: Without dead ends: 257 [2020-07-17 16:35:38,197 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-07-17 16:35:38,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-07-17 16:35:38,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 225. [2020-07-17 16:35:38,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-07-17 16:35:38,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 239 transitions. [2020-07-17 16:35:38,257 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 239 transitions. Word has length 163 [2020-07-17 16:35:38,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:35:38,258 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 239 transitions. [2020-07-17 16:35:38,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:35:38,258 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 239 transitions. [2020-07-17 16:35:38,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-17 16:35:38,260 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:38,261 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:35:38,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:35:38,261 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:38,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:38,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1060139161, now seen corresponding path program 1 times [2020-07-17 16:35:38,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:38,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1622721592] [2020-07-17 16:35:38,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:38,590 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:38,777 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 16:35:38,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1622721592] [2020-07-17 16:35:38,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:38,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 16:35:38,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754810447] [2020-07-17 16:35:38,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:35:38,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:38,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:35:38,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:35:38,780 INFO L87 Difference]: Start difference. First operand 225 states and 239 transitions. Second operand 9 states. [2020-07-17 16:35:39,279 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:35:40,856 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:41,184 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:35:41,457 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:41,723 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:35:41,959 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:35:42,218 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:42,468 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:42,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:35:42,999 INFO L93 Difference]: Finished difference Result 522 states and 613 transitions. [2020-07-17 16:35:43,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 16:35:43,000 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 171 [2020-07-17 16:35:43,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:35:43,004 INFO L225 Difference]: With dead ends: 522 [2020-07-17 16:35:43,004 INFO L226 Difference]: Without dead ends: 407 [2020-07-17 16:35:43,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-07-17 16:35:43,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-07-17 16:35:43,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 332. [2020-07-17 16:35:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-07-17 16:35:43,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 363 transitions. [2020-07-17 16:35:43,116 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 363 transitions. Word has length 171 [2020-07-17 16:35:43,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:35:43,116 INFO L479 AbstractCegarLoop]: Abstraction has 332 states and 363 transitions. [2020-07-17 16:35:43,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:35:43,117 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 363 transitions. [2020-07-17 16:35:43,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-07-17 16:35:43,119 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:43,119 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:35:43,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:35:43,120 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:43,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:43,120 INFO L82 PathProgramCache]: Analyzing trace with hash 558510229, now seen corresponding path program 1 times [2020-07-17 16:35:43,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:43,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427908250] [2020-07-17 16:35:43,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:35:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:35:43,384 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 16:35:43,385 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 16:35:43,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:35:43,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:35:43 BoogieIcfgContainer [2020-07-17 16:35:43,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 16:35:43,610 INFO L168 Benchmark]: Toolchain (without parser) took 15097.05 ms. Allocated memory was 147.3 MB in the beginning and 483.9 MB in the end (delta: 336.6 MB). Free memory was 103.6 MB in the beginning and 96.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 343.4 MB. Max. memory is 7.1 GB. [2020-07-17 16:35:43,610 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 147.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-17 16:35:43,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.09 ms. Allocated memory was 147.3 MB in the beginning and 206.6 MB in the end (delta: 59.2 MB). Free memory was 103.2 MB in the beginning and 176.6 MB in the end (delta: -73.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-07-17 16:35:43,615 INFO L168 Benchmark]: Boogie Preprocessor took 88.45 ms. Allocated memory is still 206.6 MB. Free memory was 176.6 MB in the beginning and 172.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-17 16:35:43,616 INFO L168 Benchmark]: RCFGBuilder took 1169.85 ms. Allocated memory was 206.6 MB in the beginning and 233.8 MB in the end (delta: 27.3 MB). Free memory was 172.6 MB in the beginning and 175.4 MB in the end (delta: -2.9 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2020-07-17 16:35:43,617 INFO L168 Benchmark]: TraceAbstraction took 13186.27 ms. Allocated memory was 233.8 MB in the beginning and 483.9 MB in the end (delta: 250.1 MB). Free memory was 174.1 MB in the beginning and 96.8 MB in the end (delta: 77.3 MB). Peak memory consumption was 327.4 MB. Max. memory is 7.1 GB. [2020-07-17 16:35:43,622 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 147.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 646.09 ms. Allocated memory was 147.3 MB in the beginning and 206.6 MB in the end (delta: 59.2 MB). Free memory was 103.2 MB in the beginning and 176.6 MB in the end (delta: -73.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.45 ms. Allocated memory is still 206.6 MB. Free memory was 176.6 MB in the beginning and 172.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1169.85 ms. Allocated memory was 206.6 MB in the beginning and 233.8 MB in the end (delta: 27.3 MB). Free memory was 172.6 MB in the beginning and 175.4 MB in the end (delta: -2.9 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13186.27 ms. Allocated memory was 233.8 MB in the beginning and 483.9 MB in the end (delta: 250.1 MB). Free memory was 174.1 MB in the beginning and 96.8 MB in the end (delta: 77.3 MB). Peak memory consumption was 327.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 506]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=147, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=172, head={0:0}, methaneLevelCritical=147, pumpRunning=134, systemActive=133, waterLevel=138] [L413] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=147, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=172, head={0:0}, methaneLevelCritical=147, pumpRunning=134, systemActive=133, waterLevel=1] [L414] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=147, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=172, head={0:0}, methaneLevelCritical=0, pumpRunning=134, systemActive=133, waterLevel=1] [L582] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=147, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=172, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=133, waterLevel=1] [L583] int systemActive = 1; VAL [\old(cleanupTimeShifts)=172, \old(head)=163, \old(head)=176, \old(methaneLevelCritical)=147, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=172, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L735] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=147, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L811] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L812] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L816] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L817] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L818] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L860] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L864] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L818] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L818] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L820] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L822] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L823] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L802] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L514] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L515] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L516] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L517] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L518] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L521] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L523] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L525] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L531] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L533] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L535] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L432] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L535] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L541] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L543] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L551] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L553] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L566] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L590] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L597] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L599] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L619] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L622] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L637] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L599] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L605] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L870] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L871] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L872] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L876] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L452] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L455] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L456] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L876] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L876] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L878] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L882] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L484] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L487] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L488] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L882] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L882] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L884] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L886] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L671] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L674] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L675] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L886] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L886] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L888] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L892] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L506] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 609 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 858 SDtfs, 933 SDslu, 1196 SDs, 0 SdLazy, 2257 SolverSat, 266 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=332occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 178 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 817 NumberOfCodeBlocks, 817 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 637 ConstructedInterpolants, 0 QuantifiedInterpolants, 259344 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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...