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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:09:32,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:09:32,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:09:32,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:09:32,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:09:32,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:09:32,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:09:32,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:09:32,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:09:32,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:09:32,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:09:32,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:09:32,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:09:32,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:09:32,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:09:32,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:09:32,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:09:32,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:09:32,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:09:32,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:09:32,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:09:32,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:09:32,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:09:32,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:09:32,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:09:32,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:09:32,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:09:32,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:09:32,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:09:32,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:09:32,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:09:32,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:09:32,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:09:32,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:09:32,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:09:32,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:09:32,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:09:32,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:09:32,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:09:32,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:09:32,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:09:32,375 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 06:09:32,389 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:09:32,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:09:32,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:09:32,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:09:32,390 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:09:32,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:09:32,391 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:09:32,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:09:32,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:09:32,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:09:32,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:09:32,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:09:32,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:09:32,392 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:09:32,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:09:32,393 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:09:32,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:09:32,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:09:32,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:09:32,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:09:32,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:09:32,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:09:32,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:09:32,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:09:32,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:09:32,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:09:32,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:09:32,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:09:32,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:09:32,422 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:09:32,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:09:32,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:09:32,439 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:09:32,439 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:09:32,440 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product56.cil.c [2019-09-08 06:09:32,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cc4d0d8a/7c75215c2edc4c61bcd09abe0b7b4228/FLAGe84cabf4a [2019-09-08 06:09:33,018 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:09:33,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product56.cil.c [2019-09-08 06:09:33,040 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cc4d0d8a/7c75215c2edc4c61bcd09abe0b7b4228/FLAGe84cabf4a [2019-09-08 06:09:33,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cc4d0d8a/7c75215c2edc4c61bcd09abe0b7b4228 [2019-09-08 06:09:33,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:09:33,295 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:09:33,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:09:33,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:09:33,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:09:33,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:09:33" (1/1) ... [2019-09-08 06:09:33,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@481cd368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:33, skipping insertion in model container [2019-09-08 06:09:33,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:09:33" (1/1) ... [2019-09-08 06:09:33,310 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:09:33,361 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:09:33,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:09:33,800 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:09:33,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:09:33,950 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:09:33,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:33 WrapperNode [2019-09-08 06:09:33,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:09:33,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:09:33,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:09:33,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:09:33,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:33" (1/1) ... [2019-09-08 06:09:33,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:33" (1/1) ... [2019-09-08 06:09:33,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:33" (1/1) ... [2019-09-08 06:09:33,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:33" (1/1) ... [2019-09-08 06:09:34,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:33" (1/1) ... [2019-09-08 06:09:34,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:33" (1/1) ... [2019-09-08 06:09:34,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:33" (1/1) ... [2019-09-08 06:09:34,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:09:34,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:09:34,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:09:34,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:09:34,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:33" (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 [2019-09-08 06:09:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:09:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:09:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:09:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:09:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:09:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:09:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:09:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:09:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:09:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:09:34,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:09:34,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:09:34,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:09:34,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:09:34,091 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:09:34,091 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:09:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:09:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:09:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:09:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:09:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:09:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:09:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:09:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:09:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:09:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-08 06:09:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-08 06:09:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:09:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:09:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:09:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-08 06:09:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:09:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:09:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:09:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:09:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:09:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:09:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-08 06:09:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-08 06:09:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-08 06:09:34,096 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-08 06:09:34,096 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:09:34,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:09:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:09:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:09:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:09:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:09:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:09:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:09:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:09:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:09:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:09:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:09:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:09:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:09:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:09:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:09:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:09:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:09:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:09:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:09:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:09:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:09:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:09:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:09:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:09:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:09:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:09:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:09:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:09:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:09:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:09:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:09:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:09:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:09:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:09:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:09:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:09:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:09:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:09:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:09:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:09:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:09:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:09:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-08 06:09:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-08 06:09:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:09:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:09:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-08 06:09:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-08 06:09:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:09:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:09:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-08 06:09:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:09:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-08 06:09:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-08 06:09:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:09:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:09:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:09:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:09:35,119 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:09:35,120 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:09:35,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:09:35 BoogieIcfgContainer [2019-09-08 06:09:35,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:09:35,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:09:35,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:09:35,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:09:35,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:09:33" (1/3) ... [2019-09-08 06:09:35,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36378a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:09:35, skipping insertion in model container [2019-09-08 06:09:35,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:33" (2/3) ... [2019-09-08 06:09:35,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36378a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:09:35, skipping insertion in model container [2019-09-08 06:09:35,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:09:35" (3/3) ... [2019-09-08 06:09:35,129 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product56.cil.c [2019-09-08 06:09:35,138 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:09:35,146 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:09:35,163 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:09:35,194 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:09:35,194 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:09:35,195 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:09:35,195 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:09:35,195 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:09:35,195 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:09:35,196 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:09:35,196 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:09:35,196 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:09:35,218 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2019-09-08 06:09:35,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 06:09:35,229 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:35,230 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] [2019-09-08 06:09:35,233 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:35,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:35,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1135361186, now seen corresponding path program 1 times [2019-09-08 06:09:35,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:35,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:35,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:35,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:35,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:35,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:35,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:35,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:09:35,615 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:09:35,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:09:35,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:09:35,628 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 2 states. [2019-09-08 06:09:35,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:35,684 INFO L93 Difference]: Finished difference Result 318 states and 395 transitions. [2019-09-08 06:09:35,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:09:35,689 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-08 06:09:35,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:35,712 INFO L225 Difference]: With dead ends: 318 [2019-09-08 06:09:35,712 INFO L226 Difference]: Without dead ends: 159 [2019-09-08 06:09:35,720 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 [2019-09-08 06:09:35,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-09-08 06:09:35,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2019-09-08 06:09:35,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-09-08 06:09:35,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2019-09-08 06:09:35,802 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 52 [2019-09-08 06:09:35,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:35,803 INFO L475 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2019-09-08 06:09:35,803 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:09:35,803 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2019-09-08 06:09:35,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 06:09:35,808 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:35,808 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] [2019-09-08 06:09:35,808 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:35,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:35,809 INFO L82 PathProgramCache]: Analyzing trace with hash 117273538, now seen corresponding path program 1 times [2019-09-08 06:09:35,809 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:35,809 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:35,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:35,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:35,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:35,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:35,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:35,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:09:35,938 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:09:35,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:09:35,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:09:35,939 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 3 states. [2019-09-08 06:09:35,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:35,987 INFO L93 Difference]: Finished difference Result 257 states and 305 transitions. [2019-09-08 06:09:35,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:09:35,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-08 06:09:35,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:35,992 INFO L225 Difference]: With dead ends: 257 [2019-09-08 06:09:35,993 INFO L226 Difference]: Without dead ends: 150 [2019-09-08 06:09:35,996 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 [2019-09-08 06:09:35,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-09-08 06:09:36,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-09-08 06:09:36,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-09-08 06:09:36,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2019-09-08 06:09:36,025 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 53 [2019-09-08 06:09:36,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:36,025 INFO L475 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2019-09-08 06:09:36,025 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:09:36,026 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2019-09-08 06:09:36,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-08 06:09:36,028 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:36,028 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] [2019-09-08 06:09:36,029 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:36,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:36,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1326355153, now seen corresponding path program 1 times [2019-09-08 06:09:36,029 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:36,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:36,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:36,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:36,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:36,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:36,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:36,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:09:36,171 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:09:36,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:09:36,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:09:36,173 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 7 states. [2019-09-08 06:09:36,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:36,720 INFO L93 Difference]: Finished difference Result 458 states and 558 transitions. [2019-09-08 06:09:36,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:09:36,721 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-09-08 06:09:36,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:36,731 INFO L225 Difference]: With dead ends: 458 [2019-09-08 06:09:36,732 INFO L226 Difference]: Without dead ends: 332 [2019-09-08 06:09:36,735 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 [2019-09-08 06:09:36,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2019-09-08 06:09:36,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 320. [2019-09-08 06:09:36,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2019-09-08 06:09:36,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 389 transitions. [2019-09-08 06:09:36,787 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 389 transitions. Word has length 58 [2019-09-08 06:09:36,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:36,788 INFO L475 AbstractCegarLoop]: Abstraction has 320 states and 389 transitions. [2019-09-08 06:09:36,788 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:09:36,788 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 389 transitions. [2019-09-08 06:09:36,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-08 06:09:36,792 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:36,792 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] [2019-09-08 06:09:36,792 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:36,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:36,793 INFO L82 PathProgramCache]: Analyzing trace with hash -962527068, now seen corresponding path program 1 times [2019-09-08 06:09:36,793 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:36,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:36,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:36,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:36,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:36,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:36,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:09:36,936 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:09:36,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:09:36,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:09:36,937 INFO L87 Difference]: Start difference. First operand 320 states and 389 transitions. Second operand 6 states. [2019-09-08 06:09:37,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:37,193 INFO L93 Difference]: Finished difference Result 885 states and 1127 transitions. [2019-09-08 06:09:37,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:09:37,194 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2019-09-08 06:09:37,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:37,204 INFO L225 Difference]: With dead ends: 885 [2019-09-08 06:09:37,204 INFO L226 Difference]: Without dead ends: 589 [2019-09-08 06:09:37,206 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 [2019-09-08 06:09:37,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2019-09-08 06:09:37,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 583. [2019-09-08 06:09:37,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2019-09-08 06:09:37,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 718 transitions. [2019-09-08 06:09:37,271 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 718 transitions. Word has length 63 [2019-09-08 06:09:37,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:37,272 INFO L475 AbstractCegarLoop]: Abstraction has 583 states and 718 transitions. [2019-09-08 06:09:37,272 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:09:37,272 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 718 transitions. [2019-09-08 06:09:37,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 06:09:37,275 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:37,275 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] [2019-09-08 06:09:37,276 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:37,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:37,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1151554506, now seen corresponding path program 1 times [2019-09-08 06:09:37,276 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:37,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:37,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:37,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:37,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:09:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:09:38,088 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:09:38,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:09:38 BoogieIcfgContainer [2019-09-08 06:09:38,279 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:09:38,282 INFO L168 Benchmark]: Toolchain (without parser) took 4986.26 ms. Allocated memory was 134.2 MB in the beginning and 257.4 MB in the end (delta: 123.2 MB). Free memory was 88.9 MB in the beginning and 138.6 MB in the end (delta: -49.7 MB). Peak memory consumption was 73.5 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:38,283 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 06:09:38,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.30 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 88.6 MB in the beginning and 165.3 MB in the end (delta: -76.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:38,285 INFO L168 Benchmark]: Boogie Preprocessor took 84.11 ms. Allocated memory is still 201.3 MB. Free memory was 165.3 MB in the beginning and 160.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:38,286 INFO L168 Benchmark]: RCFGBuilder took 1085.77 ms. Allocated memory was 201.3 MB in the beginning and 228.1 MB in the end (delta: 26.7 MB). Free memory was 160.8 MB in the beginning and 189.1 MB in the end (delta: -28.2 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:38,287 INFO L168 Benchmark]: TraceAbstraction took 3156.79 ms. Allocated memory was 228.1 MB in the beginning and 257.4 MB in the end (delta: 29.4 MB). Free memory was 189.1 MB in the beginning and 138.6 MB in the end (delta: 50.5 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:38,291 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.30 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 88.6 MB in the beginning and 165.3 MB in the end (delta: -76.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.11 ms. Allocated memory is still 201.3 MB. Free memory was 165.3 MB in the beginning and 160.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1085.77 ms. Allocated memory was 201.3 MB in the beginning and 228.1 MB in the end (delta: 26.7 MB). Free memory was 160.8 MB in the beginning and 189.1 MB in the end (delta: -28.2 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3156.79 ms. Allocated memory was 228.1 MB in the beginning and 257.4 MB in the end (delta: 29.4 MB). Free memory was 189.1 MB in the beginning and 138.6 MB in the end (delta: 50.5 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1013]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L313] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L587] int waterLevel = 1; [L588] int methaneLevelCritical = 0; [L694] int pumpRunning = 0; [L695] int systemActive = 1; [L121] int retValue_acc ; [L122] 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] [L126] 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] [L127] 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] [L128] 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] [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] 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] [L128] 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] [L128] tmp = valid_product() [L130] 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] [L132] 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] [L133] 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] [L112] 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] [L941] int splverifierCounter ; [L942] int tmp ; [L943] int tmp___0 ; [L944] int tmp___1 ; [L945] int tmp___2 ; [L948] 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] [L950] 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] [L952] 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] [L958] tmp = __VERIFIER_nondet_int() [L960] 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=8, waterLevel=1] [L962] 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] [L605] COND TRUE waterLevel < 2 [L606] 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] [L962] 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=8, waterLevel=2] [L968] tmp___0 = __VERIFIER_nondet_int() [L970] 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=8, tmp___0=0, waterLevel=2] [L978] tmp___2 = __VERIFIER_nondet_int() [L980] COND FALSE !(\read(tmp___2)) [L986] tmp___1 = __VERIFIER_nondet_int() [L988] 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=8, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L990] 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] [L920] 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] [L927] 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] [L990] 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=8, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L997] 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] [L701] 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] [L708] 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] [L716] 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] [L550] int tmp ; [L551] int tmp___0 ; [L552] 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] [L556] 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] [L626] int retValue_acc ; [L629] retValue_acc = methaneLevelCritical [L630] 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] [L556] 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] [L556] tmp = isMethaneLevelCritical() [L558] 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] [L562] 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] [L658] int retValue_acc ; [L661] retValue_acc = waterLevel [L662] 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] [L562] 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] [L562] tmp___0 = getWaterLevel() [L564] 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] [L566] 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] [L834] int retValue_acc ; [L837] retValue_acc = pumpRunning [L838] 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] [L566] 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] [L566] tmp___1 = isPumpRunning() [L568] 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] [L572] 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] [L1013] __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 43 procedures, 258 locations, 1 error locations. UNSAFE Result, 3.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 809 SDtfs, 437 SDslu, 1567 SDs, 0 SdLazy, 375 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s 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=583occurred 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: 0.2s 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...