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_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:49:24,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:49:24,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:49:24,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:49:24,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:49:24,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:49:24,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:49:24,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:49:24,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:49:24,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:49:24,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:49:24,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:49:24,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:49:24,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:49:24,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:49:24,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:49:24,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:49:24,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:49:24,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:49:24,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:49:24,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:49:24,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:49:24,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:49:24,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:49:24,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:49:24,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:49:24,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:49:24,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:49:24,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:49:24,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:49:24,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:49:24,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:49:24,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:49:24,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:49:24,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:49:24,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:49:24,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:49:24,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:49:24,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:49:24,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:49:24,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:49:24,439 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 02:49:24,454 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:49:24,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:49:24,455 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:49:24,455 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:49:24,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:49:24,456 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:49:24,456 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:49:24,456 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:49:24,457 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:49:24,457 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:49:24,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:49:24,458 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:49:24,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:49:24,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:49:24,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:49:24,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:49:24,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:49:24,459 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:49:24,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:49:24,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:49:24,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:49:24,460 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:49:24,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:49:24,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:49:24,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:49:24,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:49:24,461 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:49:24,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:49:24,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:49:24,462 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:49:24,500 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:49:24,513 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:49:24,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:49:24,518 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:49:24,519 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:49:24,520 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product29.cil.c [2019-09-10 02:49:24,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff5a5260/8957ba5f73b54bdcba68a71fb080da63/FLAGda3bb847d [2019-09-10 02:49:25,074 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:49:25,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product29.cil.c [2019-09-10 02:49:25,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff5a5260/8957ba5f73b54bdcba68a71fb080da63/FLAGda3bb847d [2019-09-10 02:49:25,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff5a5260/8957ba5f73b54bdcba68a71fb080da63 [2019-09-10 02:49:25,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:49:25,392 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:49:25,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:25,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:49:25,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:49:25,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:25" (1/1) ... [2019-09-10 02:49:25,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125a7b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:25, skipping insertion in model container [2019-09-10 02:49:25,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:25" (1/1) ... [2019-09-10 02:49:25,410 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:49:25,476 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:49:25,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:25,950 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:49:26,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:26,121 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:49:26,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:26 WrapperNode [2019-09-10 02:49:26,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:26,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:49:26,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:49:26,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:49:26,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:26" (1/1) ... [2019-09-10 02:49:26,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:26" (1/1) ... [2019-09-10 02:49:26,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:26" (1/1) ... [2019-09-10 02:49:26,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:26" (1/1) ... [2019-09-10 02:49:26,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:26" (1/1) ... [2019-09-10 02:49:26,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:26" (1/1) ... [2019-09-10 02:49:26,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:26" (1/1) ... [2019-09-10 02:49:26,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:49:26,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:49:26,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:49:26,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:49:26,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:26" (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 02:49:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:49:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:49:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:49:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:49:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:49:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:49:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:49:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:49:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:49:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-10 02:49:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:49:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:49:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:49:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:49:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:49:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:49:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:49:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:49:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:49:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:49:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:49:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:49:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:49:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:49:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-10 02:49:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-10 02:49:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:49:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-10 02:49:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:49:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:49:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:49:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:49:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:49:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-10 02:49:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:49:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:49:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:49:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:49:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:49:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:49:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:49:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:49:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:49:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:49:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:49:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:49:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:49:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-10 02:49:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:49:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:49:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:49:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:49:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:49:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:49:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:49:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:49:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:49:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:49:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:49:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:49:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:49:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:49:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:49:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:49:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:49:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:49:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:49:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:49:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:49:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:49:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:49:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:49:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:49:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:49:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:49:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:49:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-10 02:49:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-10 02:49:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-10 02:49:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:49:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-10 02:49:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:49:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:49:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:49:27,335 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:49:27,335 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:49:27,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:27 BoogieIcfgContainer [2019-09-10 02:49:27,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:49:27,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:49:27,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:49:27,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:49:27,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:49:25" (1/3) ... [2019-09-10 02:49:27,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2025ce71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:27, skipping insertion in model container [2019-09-10 02:49:27,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:26" (2/3) ... [2019-09-10 02:49:27,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2025ce71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:27, skipping insertion in model container [2019-09-10 02:49:27,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:27" (3/3) ... [2019-09-10 02:49:27,345 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product29.cil.c [2019-09-10 02:49:27,356 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:49:27,365 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:49:27,383 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:49:27,413 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:49:27,414 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:49:27,414 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:49:27,414 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:49:27,414 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:49:27,415 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:49:27,415 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:49:27,415 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:49:27,435 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2019-09-10 02:49:27,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-10 02:49:27,454 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:27,455 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 02:49:27,458 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:27,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:27,464 INFO L82 PathProgramCache]: Analyzing trace with hash -720125183, now seen corresponding path program 1 times [2019-09-10 02:49:27,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:27,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:27,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:27,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:27,511 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:27,822 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 02:49:27,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:27,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:49:27,827 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:27,834 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:49:27,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:49:27,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:49:27,855 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 2 states. [2019-09-10 02:49:27,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:27,900 INFO L93 Difference]: Finished difference Result 136 states and 160 transitions. [2019-09-10 02:49:27,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:49:27,905 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-10 02:49:27,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:27,921 INFO L225 Difference]: With dead ends: 136 [2019-09-10 02:49:27,925 INFO L226 Difference]: Without dead ends: 125 [2019-09-10 02:49:27,927 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 02:49:27,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-09-10 02:49:27,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-09-10 02:49:27,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-09-10 02:49:27,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 148 transitions. [2019-09-10 02:49:27,979 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 148 transitions. Word has length 52 [2019-09-10 02:49:27,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:27,979 INFO L475 AbstractCegarLoop]: Abstraction has 125 states and 148 transitions. [2019-09-10 02:49:27,979 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:49:27,980 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 148 transitions. [2019-09-10 02:49:27,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-10 02:49:27,983 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:27,984 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 02:49:27,984 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:27,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:27,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1479231386, now seen corresponding path program 1 times [2019-09-10 02:49:27,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:27,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:27,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:27,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:27,986 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:28,095 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 02:49:28,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:28,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:49:28,096 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:28,097 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:49:28,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:49:28,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:49:28,098 INFO L87 Difference]: Start difference. First operand 125 states and 148 transitions. Second operand 3 states. [2019-09-10 02:49:28,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:28,114 INFO L93 Difference]: Finished difference Result 116 states and 136 transitions. [2019-09-10 02:49:28,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:49:28,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-10 02:49:28,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:28,117 INFO L225 Difference]: With dead ends: 116 [2019-09-10 02:49:28,117 INFO L226 Difference]: Without dead ends: 116 [2019-09-10 02:49:28,118 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 02:49:28,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-09-10 02:49:28,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-09-10 02:49:28,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-09-10 02:49:28,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 136 transitions. [2019-09-10 02:49:28,130 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 136 transitions. Word has length 53 [2019-09-10 02:49:28,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:28,131 INFO L475 AbstractCegarLoop]: Abstraction has 116 states and 136 transitions. [2019-09-10 02:49:28,131 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:49:28,131 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions. [2019-09-10 02:49:28,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-10 02:49:28,134 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:28,134 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] [2019-09-10 02:49:28,134 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:28,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:28,135 INFO L82 PathProgramCache]: Analyzing trace with hash -162444823, now seen corresponding path program 1 times [2019-09-10 02:49:28,135 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:28,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:28,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:28,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:28,136 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:28,280 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 02:49:28,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:28,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:49:28,281 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:28,282 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:49:28,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:49:28,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:49:28,282 INFO L87 Difference]: Start difference. First operand 116 states and 136 transitions. Second operand 7 states. [2019-09-10 02:49:28,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:28,604 INFO L93 Difference]: Finished difference Result 116 states and 135 transitions. [2019-09-10 02:49:28,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:49:28,605 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-09-10 02:49:28,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:28,607 INFO L225 Difference]: With dead ends: 116 [2019-09-10 02:49:28,607 INFO L226 Difference]: Without dead ends: 116 [2019-09-10 02:49:28,608 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 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 02:49:28,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-09-10 02:49:28,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-09-10 02:49:28,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-09-10 02:49:28,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 135 transitions. [2019-09-10 02:49:28,620 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 135 transitions. Word has length 57 [2019-09-10 02:49:28,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:28,621 INFO L475 AbstractCegarLoop]: Abstraction has 116 states and 135 transitions. [2019-09-10 02:49:28,621 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:49:28,622 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 135 transitions. [2019-09-10 02:49:28,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-10 02:49:28,624 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:28,624 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, 1, 1, 1] [2019-09-10 02:49:28,628 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:28,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:28,628 INFO L82 PathProgramCache]: Analyzing trace with hash -524642989, now seen corresponding path program 1 times [2019-09-10 02:49:28,629 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:28,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:28,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:28,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:28,630 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:28,800 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 02:49:28,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:28,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:49:28,801 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:28,801 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:49:28,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:49:28,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:49:28,802 INFO L87 Difference]: Start difference. First operand 116 states and 135 transitions. Second operand 6 states. [2019-09-10 02:49:29,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:29,069 INFO L93 Difference]: Finished difference Result 197 states and 235 transitions. [2019-09-10 02:49:29,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:49:29,070 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2019-09-10 02:49:29,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:29,073 INFO L225 Difference]: With dead ends: 197 [2019-09-10 02:49:29,074 INFO L226 Difference]: Without dead ends: 197 [2019-09-10 02:49:29,074 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 02:49:29,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-09-10 02:49:29,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 195. [2019-09-10 02:49:29,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2019-09-10 02:49:29,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 233 transitions. [2019-09-10 02:49:29,107 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 233 transitions. Word has length 70 [2019-09-10 02:49:29,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:29,107 INFO L475 AbstractCegarLoop]: Abstraction has 195 states and 233 transitions. [2019-09-10 02:49:29,108 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:49:29,108 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 233 transitions. [2019-09-10 02:49:29,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-09-10 02:49:29,116 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:29,117 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, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:49:29,117 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:29,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:29,118 INFO L82 PathProgramCache]: Analyzing trace with hash 35008173, now seen corresponding path program 1 times [2019-09-10 02:49:29,118 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:29,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:29,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:29,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:29,122 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:49:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:49:29,836 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 02:49:29,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:49:29 BoogieIcfgContainer [2019-09-10 02:49:29,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:49:29,984 INFO L168 Benchmark]: Toolchain (without parser) took 4591.48 ms. Allocated memory was 135.3 MB in the beginning and 254.3 MB in the end (delta: 119.0 MB). Free memory was 89.5 MB in the beginning and 205.9 MB in the end (delta: -116.5 MB). Peak memory consumption was 125.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:29,985 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:49:29,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.71 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 89.3 MB in the beginning and 167.3 MB in the end (delta: -78.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:29,987 INFO L168 Benchmark]: Boogie Preprocessor took 86.86 ms. Allocated memory is still 201.9 MB. Free memory was 167.3 MB in the beginning and 163.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:29,988 INFO L168 Benchmark]: RCFGBuilder took 1127.44 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 162.5 MB in the beginning and 196.4 MB in the end (delta: -33.8 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:29,989 INFO L168 Benchmark]: TraceAbstraction took 2643.37 ms. Allocated memory was 231.2 MB in the beginning and 254.3 MB in the end (delta: 23.1 MB). Free memory was 195.0 MB in the beginning and 205.9 MB in the end (delta: -10.9 MB). Peak memory consumption was 135.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:29,994 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 728.71 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 89.3 MB in the beginning and 167.3 MB in the end (delta: -78.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.86 ms. Allocated memory is still 201.9 MB. Free memory was 167.3 MB in the beginning and 163.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1127.44 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 162.5 MB in the beginning and 196.4 MB in the end (delta: -33.8 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2643.37 ms. Allocated memory was 231.2 MB in the beginning and 254.3 MB in the end (delta: 23.1 MB). Free memory was 195.0 MB in the beginning and 205.9 MB in the end (delta: -10.9 MB). Peak memory consumption was 135.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 580]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L83] int waterLevel = 1; [L84] int methaneLevelCritical = 0; [L341] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L585] int cleanupTimeShifts = 4; [L686] int pumpRunning = 0; [L687] int systemActive = 1; [L661] int retValue_acc ; [L662] 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] [L666] 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] [L667] 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] [L668] 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] [L567] int retValue_acc ; [L570] retValue_acc = 1 [L571] 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] [L668] 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] [L668] tmp = valid_product() [L670] 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] [L672] 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] [L673] 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] [L655] 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] [L882] int splverifierCounter ; [L883] int tmp ; [L884] int tmp___0 ; [L885] int tmp___1 ; [L886] int tmp___2 ; [L889] 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] [L891] 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] [L893] 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] [L899] tmp = __VERIFIER_nondet_int() [L901] 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] [L903] 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] [L101] COND TRUE waterLevel < 2 [L102] 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] [L903] 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] [L909] tmp___0 = __VERIFIER_nondet_int() [L911] 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] [L919] tmp___2 = __VERIFIER_nondet_int() [L921] 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] [L934] 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] [L693] 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] [L700] 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] [L702] 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] [L748] 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] [L751] 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] [L766] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L722] 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] [L725] 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] [L740] 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] [L766] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L702] 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] [L708] 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] [L45] int tmp ; [L46] int tmp___0 ; [L47] 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] [L51] 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] [L122] int retValue_acc ; [L125] retValue_acc = methaneLevelCritical [L126] 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] [L51] 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] [L51] tmp = isMethaneLevelCritical() [L53] 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] [L57] 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] [L154] int retValue_acc ; [L157] retValue_acc = waterLevel [L158] 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] [L57] 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] [L57] tmp___0 = getWaterLevel() [L59] 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] [L61] 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] [L817] int retValue_acc ; [L820] retValue_acc = pumpRunning [L821] 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] [L61] 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] [L61] tmp___1 = isPumpRunning() [L63] 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] [L67] 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] [L580] __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 39 procedures, 234 locations, 1 error locations. UNSAFE Result, 2.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 575 SDtfs, 223 SDslu, 907 SDs, 0 SdLazy, 200 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 21992 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...