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 -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:49:50,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:49:50,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:49:50,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:49:50,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:49:50,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:49:50,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:49:50,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:49:50,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:49:50,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:49:50,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:49:50,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:49:50,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:49:50,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:49:50,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:49:50,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:49:50,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:49:50,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:49:50,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:49:50,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:49:50,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:49:50,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:49:50,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:49:50,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:49:50,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:49:50,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:49:50,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:49:50,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:49:50,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:49:50,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:49:50,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:49:50,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:49:50,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:49:50,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:49:50,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:49:50,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:49:50,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:49:50,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:49:50,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:49:50,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:49:50,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:49:50,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:49:50,387 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:49:50,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:49:50,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:49:50,388 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:49:50,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:49:50,388 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:49:50,389 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:49:50,389 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:49:50,389 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:49:50,389 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:49:50,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:49:50,390 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:49:50,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:49:50,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:49:50,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:49:50,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:49:50,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:49:50,391 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:49:50,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:49:50,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:49:50,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:49:50,392 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:49:50,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:49:50,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:49:50,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:49:50,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:49:50,393 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:49:50,394 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:49:50,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:49:50,394 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:49:50,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:49:50,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:49:50,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:49:50,445 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:49:50,445 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:49:50,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c [2019-09-10 02:49:50,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf116e58a/e6d208584a534a8e96bffd63ba6c4ed2/FLAG457fc888d [2019-09-10 02:49:51,033 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:49:51,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c [2019-09-10 02:49:51,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf116e58a/e6d208584a534a8e96bffd63ba6c4ed2/FLAG457fc888d [2019-09-10 02:49:51,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf116e58a/e6d208584a534a8e96bffd63ba6c4ed2 [2019-09-10 02:49:51,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:49:51,398 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:49:51,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:51,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:49:51,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:49:51,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:51" (1/1) ... [2019-09-10 02:49:51,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d02a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:51, skipping insertion in model container [2019-09-10 02:49:51,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:51" (1/1) ... [2019-09-10 02:49:51,418 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:49:51,475 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:49:51,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:51,934 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:49:52,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:52,106 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:49:52,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:52 WrapperNode [2019-09-10 02:49:52,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:52,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:49:52,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:49:52,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:49:52,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:52" (1/1) ... [2019-09-10 02:49:52,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:52" (1/1) ... [2019-09-10 02:49:52,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:52" (1/1) ... [2019-09-10 02:49:52,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:52" (1/1) ... [2019-09-10 02:49:52,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:52" (1/1) ... [2019-09-10 02:49:52,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:52" (1/1) ... [2019-09-10 02:49:52,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:52" (1/1) ... [2019-09-10 02:49:52,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:49:52,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:49:52,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:49:52,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:49:52,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:52" (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 [2019-09-10 02:49:52,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:49:52,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:49:52,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:49:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:49:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:49:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:49:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:49:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-10 02:49:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-10 02:49:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-10 02:49:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:49:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-10 02:49:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:49:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:49:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:49:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:49:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:49:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-10 02:49:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-10 02:49:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-10 02:49:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-10 02:49:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:49:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:49:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:49:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:49:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:49:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:49:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:49:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-10 02:49:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-10 02:49:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:49:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:49:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:49:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:49:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:49:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:49:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:49:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:49:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:49:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:49:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:49:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:49:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:49:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:49:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:49:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:49:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:49:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:49:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:49:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:49:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-10 02:49:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-10 02:49:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:49:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:49:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:49:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:49:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:49:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-10 02:49:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-10 02:49:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:49:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:49:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-10 02:49:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-10 02:49:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-10 02:49:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-10 02:49:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-10 02:49:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:49:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-10 02:49:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:49:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:49:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:49:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:49:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:49:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:49:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:49:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:49:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:49:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:49:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:49:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:49:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:49:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:49:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:49:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:49:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:49:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:49:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:49:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:49:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:49:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:49:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:49:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:49:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:49:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:49:53,464 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:49:53,464 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:49:53,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:53 BoogieIcfgContainer [2019-09-10 02:49:53,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:49:53,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:49:53,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:49:53,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:49:53,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:49:51" (1/3) ... [2019-09-10 02:49:53,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c54cb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:53, skipping insertion in model container [2019-09-10 02:49:53,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:52" (2/3) ... [2019-09-10 02:49:53,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c54cb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:53, skipping insertion in model container [2019-09-10 02:49:53,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:53" (3/3) ... [2019-09-10 02:49:53,476 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product64.cil.c [2019-09-10 02:49:53,487 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:49:53,497 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:49:53,514 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:49:53,542 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:49:53,542 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:49:53,543 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:49:53,543 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:49:53,543 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:49:53,543 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:49:53,543 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:49:53,543 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:49:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2019-09-10 02:49:53,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-10 02:49:53,582 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:53,583 INFO L399 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] [2019-09-10 02:49:53,586 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:53,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:53,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1153750625, now seen corresponding path program 1 times [2019-09-10 02:49:53,595 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:53,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:53,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:53,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:53,649 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:53,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:53,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:53,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:49:53,959 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:53,966 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:49:53,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:49:53,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:49:53,988 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 2 states. [2019-09-10 02:49:54,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:54,037 INFO L93 Difference]: Finished difference Result 177 states and 210 transitions. [2019-09-10 02:49:54,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:49:54,039 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-10 02:49:54,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:54,052 INFO L225 Difference]: With dead ends: 177 [2019-09-10 02:49:54,053 INFO L226 Difference]: Without dead ends: 166 [2019-09-10 02:49:54,054 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:49:54,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-09-10 02:49:54,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2019-09-10 02:49:54,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-09-10 02:49:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 198 transitions. [2019-09-10 02:49:54,109 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 198 transitions. Word has length 52 [2019-09-10 02:49:54,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:54,110 INFO L475 AbstractCegarLoop]: Abstraction has 166 states and 198 transitions. [2019-09-10 02:49:54,110 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:49:54,110 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 198 transitions. [2019-09-10 02:49:54,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-10 02:49:54,115 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:54,115 INFO L399 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] [2019-09-10 02:49:54,116 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:54,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:54,118 INFO L82 PathProgramCache]: Analyzing trace with hash -2119837363, now seen corresponding path program 1 times [2019-09-10 02:49:54,118 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:54,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:54,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:54,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:54,120 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:54,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:54,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:54,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:49:54,272 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:54,274 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:49:54,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:49:54,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:49:54,275 INFO L87 Difference]: Start difference. First operand 166 states and 198 transitions. Second operand 3 states. [2019-09-10 02:49:54,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:54,310 INFO L93 Difference]: Finished difference Result 157 states and 186 transitions. [2019-09-10 02:49:54,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:49:54,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-10 02:49:54,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:54,318 INFO L225 Difference]: With dead ends: 157 [2019-09-10 02:49:54,319 INFO L226 Difference]: Without dead ends: 157 [2019-09-10 02:49:54,319 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:49:54,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-09-10 02:49:54,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-09-10 02:49:54,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-09-10 02:49:54,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 186 transitions. [2019-09-10 02:49:54,335 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 186 transitions. Word has length 53 [2019-09-10 02:49:54,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:54,335 INFO L475 AbstractCegarLoop]: Abstraction has 157 states and 186 transitions. [2019-09-10 02:49:54,336 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:49:54,336 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 186 transitions. [2019-09-10 02:49:54,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-10 02:49:54,339 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:54,339 INFO L399 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] [2019-09-10 02:49:54,339 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:54,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:54,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1174645714, now seen corresponding path program 1 times [2019-09-10 02:49:54,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:54,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:54,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:54,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:54,343 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:54,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:54,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:54,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:49:54,533 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:54,533 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:49:54,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:49:54,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:49:54,535 INFO L87 Difference]: Start difference. First operand 157 states and 186 transitions. Second operand 7 states. [2019-09-10 02:49:55,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:55,251 INFO L93 Difference]: Finished difference Result 346 states and 419 transitions. [2019-09-10 02:49:55,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:49:55,253 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-09-10 02:49:55,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:55,261 INFO L225 Difference]: With dead ends: 346 [2019-09-10 02:49:55,261 INFO L226 Difference]: Without dead ends: 346 [2019-09-10 02:49:55,263 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:49:55,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-09-10 02:49:55,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 334. [2019-09-10 02:49:55,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-09-10 02:49:55,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 407 transitions. [2019-09-10 02:49:55,304 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 407 transitions. Word has length 58 [2019-09-10 02:49:55,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:55,304 INFO L475 AbstractCegarLoop]: Abstraction has 334 states and 407 transitions. [2019-09-10 02:49:55,304 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:49:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 407 transitions. [2019-09-10 02:49:55,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-10 02:49:55,309 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:55,309 INFO L399 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] [2019-09-10 02:49:55,309 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:55,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:55,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1545438199, now seen corresponding path program 1 times [2019-09-10 02:49:55,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:55,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:55,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:55,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:55,312 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:55,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:55,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:55,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:49:55,491 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:55,492 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:49:55,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:49:55,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:49:55,493 INFO L87 Difference]: Start difference. First operand 334 states and 407 transitions. Second operand 6 states. [2019-09-10 02:49:55,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:55,807 INFO L93 Difference]: Finished difference Result 617 states and 760 transitions. [2019-09-10 02:49:55,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:49:55,808 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2019-09-10 02:49:55,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:55,820 INFO L225 Difference]: With dead ends: 617 [2019-09-10 02:49:55,821 INFO L226 Difference]: Without dead ends: 617 [2019-09-10 02:49:55,822 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:49:55,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2019-09-10 02:49:55,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 611. [2019-09-10 02:49:55,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2019-09-10 02:49:55,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 754 transitions. [2019-09-10 02:49:55,896 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 754 transitions. Word has length 63 [2019-09-10 02:49:55,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:55,900 INFO L475 AbstractCegarLoop]: Abstraction has 611 states and 754 transitions. [2019-09-10 02:49:55,900 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:49:55,900 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 754 transitions. [2019-09-10 02:49:55,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-10 02:49:55,911 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:55,911 INFO L399 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] [2019-09-10 02:49:55,912 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:55,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:55,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1461698211, now seen corresponding path program 1 times [2019-09-10 02:49:55,916 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:55,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:55,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:55,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:55,917 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:49:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:49:56,689 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 02:49:56,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:49:56 BoogieIcfgContainer [2019-09-10 02:49:56,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:49:56,846 INFO L168 Benchmark]: Toolchain (without parser) took 5447.49 ms. Allocated memory was 135.3 MB in the beginning and 256.4 MB in the end (delta: 121.1 MB). Free memory was 90.4 MB in the beginning and 179.6 MB in the end (delta: -89.2 MB). Peak memory consumption was 130.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:56,847 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 135.3 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:49:56,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.46 ms. Allocated memory was 135.3 MB in the beginning and 200.3 MB in the end (delta: 65.0 MB). Free memory was 90.2 MB in the beginning and 163.8 MB in the end (delta: -73.6 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:56,852 INFO L168 Benchmark]: Boogie Preprocessor took 103.90 ms. Allocated memory is still 200.3 MB. Free memory was 163.8 MB in the beginning and 158.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:56,854 INFO L168 Benchmark]: RCFGBuilder took 1254.70 ms. Allocated memory was 200.3 MB in the beginning and 229.6 MB in the end (delta: 29.4 MB). Free memory was 158.9 MB in the beginning and 189.1 MB in the end (delta: -30.2 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:56,855 INFO L168 Benchmark]: TraceAbstraction took 3375.91 ms. Allocated memory was 229.6 MB in the beginning and 256.4 MB in the end (delta: 26.7 MB). Free memory was 187.8 MB in the beginning and 179.6 MB in the end (delta: 8.2 MB). Peak memory consumption was 133.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:56,864 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 135.3 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.46 ms. Allocated memory was 135.3 MB in the beginning and 200.3 MB in the end (delta: 65.0 MB). Free memory was 90.2 MB in the beginning and 163.8 MB in the end (delta: -73.6 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.90 ms. Allocated memory is still 200.3 MB. Free memory was 163.8 MB in the beginning and 158.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1254.70 ms. Allocated memory was 200.3 MB in the beginning and 229.6 MB in the end (delta: 29.4 MB). Free memory was 158.9 MB in the beginning and 189.1 MB in the end (delta: -30.2 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3375.91 ms. Allocated memory was 229.6 MB in the beginning and 256.4 MB in the end (delta: 26.7 MB). Free memory was 187.8 MB in the beginning and 179.6 MB in the end (delta: 8.2 MB). Peak memory consumption was 133.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 996]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L90] int pumpRunning = 0; [L91] int systemActive = 1; [L427] int waterLevel = 1; [L428] int methaneLevelCritical = 0; [L699] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L896] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=173, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=141, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=137, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] int retValue_acc ; [L970] 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] [L974] 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] [L975] 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] [L976] 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] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] 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] [L976] 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] [L976] tmp = valid_product() [L978] 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] [L980] 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] [L981] 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] [L963] 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] [L358] int splverifierCounter ; [L359] int tmp ; [L360] int tmp___0 ; [L361] int tmp___1 ; [L362] int tmp___2 ; [L365] 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] [L367] 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] [L369] 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] [L375] tmp = __VERIFIER_nondet_int() [L377] 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=6, waterLevel=1] [L379] 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] [L445] COND TRUE waterLevel < 2 [L446] 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] [L379] 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=6, waterLevel=2] [L385] tmp___0 = __VERIFIER_nondet_int() [L387] 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=6, tmp___0=0, waterLevel=2] [L395] tmp___2 = __VERIFIER_nondet_int() [L397] COND FALSE !(\read(tmp___2)) [L403] tmp___1 = __VERIFIER_nondet_int() [L405] COND TRUE \read(tmp___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, tmp=6, tmp___0=0, tmp___1=6, tmp___2=0, waterLevel=2] [L407] CALL stopSystem() 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] [L334] COND FALSE !(\read(pumpRunning)) 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] [L341] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L407] RET stopSystem() 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=0, tmp=6, tmp___0=0, tmp___1=6, tmp___2=0, waterLevel=2] [L414] 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=0, waterLevel=2] [L98] 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=0, waterLevel=2] [L105] COND FALSE !(\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=0, waterLevel=2] [L113] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1002] int tmp ; [L1003] int tmp___0 ; [L1004] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1008] 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=0, waterLevel=2] [L466] int retValue_acc ; [L469] retValue_acc = methaneLevelCritical [L470] 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=0, waterLevel=2] [L1008] 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=0, waterLevel=2] [L1008] tmp = isMethaneLevelCritical() [L1010] 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=0, tmp=0, waterLevel=2] [L1014] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L498] int retValue_acc ; [L501] retValue_acc = waterLevel [L502] 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=0, retValue_acc=2, systemActive=0, waterLevel=2] [L1014] 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=0, systemActive=0, tmp=0, waterLevel=2] [L1014] tmp___0 = getWaterLevel() [L1016] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L1018] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L248] int retValue_acc ; [L251] retValue_acc = pumpRunning [L252] 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=0, waterLevel=2] [L1018] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L1018] tmp___1 = isPumpRunning() [L1020] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L1024] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L996] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 265 locations, 1 error locations. UNSAFE Result, 3.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 849 SDtfs, 558 SDslu, 1569 SDs, 0 SdLazy, 393 SolverSat, 83 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=611occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 21060 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...