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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:16:34,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:16:34,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:16:35,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:16:35,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:16:35,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:16:35,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:16:35,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:16:35,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:16:35,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:16:35,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:16:35,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:16:35,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:16:35,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:16:35,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:16:35,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:16:35,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:16:35,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:16:35,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:16:35,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:16:35,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:16:35,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:16:35,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:16:35,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:16:35,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:16:35,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:16:35,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:16:35,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:16:35,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:16:35,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:16:35,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:16:35,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:16:35,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:16:35,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:16:35,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:16:35,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:16:35,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:16:35,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:16:35,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:16:35,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:16:35,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:16:35,066 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 [2019-10-13 23:16:35,080 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:16:35,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:16:35,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:16:35,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:16:35,083 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:16:35,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:16:35,083 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:16:35,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:16:35,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:16:35,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:16:35,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:16:35,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:16:35,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:16:35,085 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:16:35,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:16:35,085 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:16:35,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:16:35,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:16:35,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:16:35,086 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:16:35,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:16:35,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:16:35,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:16:35,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:16:35,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:16:35,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:16:35,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:16:35,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:16:35,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:16:35,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:16:35,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:16:35,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:16:35,415 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:16:35,416 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:16:35,416 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2019-10-13 23:16:35,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0854954c9/c9d78fbef90441558e7ea7c7205d7841/FLAGb8667012c [2019-10-13 23:16:36,041 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:16:36,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2019-10-13 23:16:36,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0854954c9/c9d78fbef90441558e7ea7c7205d7841/FLAGb8667012c [2019-10-13 23:16:36,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0854954c9/c9d78fbef90441558e7ea7c7205d7841 [2019-10-13 23:16:36,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:16:36,359 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:16:36,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:16:36,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:16:36,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:16:36,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:36" (1/1) ... [2019-10-13 23:16:36,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef0d72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:36, skipping insertion in model container [2019-10-13 23:16:36,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:36" (1/1) ... [2019-10-13 23:16:36,371 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:16:36,418 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:16:36,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:16:36,859 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:16:36,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:16:37,034 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:16:37,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37 WrapperNode [2019-10-13 23:16:37,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:16:37,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:16:37,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:16:37,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:16:37,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (1/1) ... [2019-10-13 23:16:37,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (1/1) ... [2019-10-13 23:16:37,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (1/1) ... [2019-10-13 23:16:37,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (1/1) ... [2019-10-13 23:16:37,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (1/1) ... [2019-10-13 23:16:37,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (1/1) ... [2019-10-13 23:16:37,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (1/1) ... [2019-10-13 23:16:37,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:16:37,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:16:37,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:16:37,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:16:37,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (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 [2019-10-13 23:16:37,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:16:37,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:16:37,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:16:37,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 23:16:37,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:16:37,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:16:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:16:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:16:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:16:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:16:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:16:37,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:16:37,266 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:16:37,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:16:37,266 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:16:37,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:16:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:16:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:16:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-13 23:16:37,270 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:16:37,270 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:16:37,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:16:37,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:16:37,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:16:37,271 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:16:37,271 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:16:37,271 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:16:37,271 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:16:37,271 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:16:37,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:16:37,272 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:16:37,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:16:37,272 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:16:37,272 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:16:37,273 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:16:37,273 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:16:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:16:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:16:37,274 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:16:37,274 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:16:37,274 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:16:37,274 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:16:37,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 23:16:37,275 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:16:37,275 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:16:37,275 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:16:37,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:16:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:16:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:16:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:16:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:16:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:16:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:16:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:16:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:16:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:16:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:16:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:16:37,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:16:37,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:16:37,278 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:16:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:16:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:16:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:16:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:16:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:16:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:16:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:16:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:16:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:16:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:16:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:16:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:16:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:16:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:16:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:16:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:16:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:16:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:16:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:16:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-13 23:16:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:16:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:16:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:16:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:16:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:16:38,771 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:16:38,772 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:16:38,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:38 BoogieIcfgContainer [2019-10-13 23:16:38,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:16:38,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:16:38,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:16:38,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:16:38,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:16:36" (1/3) ... [2019-10-13 23:16:38,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66de1720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:38, skipping insertion in model container [2019-10-13 23:16:38,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (2/3) ... [2019-10-13 23:16:38,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66de1720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:38, skipping insertion in model container [2019-10-13 23:16:38,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:38" (3/3) ... [2019-10-13 23:16:38,784 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2019-10-13 23:16:38,795 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:16:38,803 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:16:38,815 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:16:38,841 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:16:38,841 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:16:38,841 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:16:38,842 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:16:38,842 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:16:38,842 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:16:38,842 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:16:38,842 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:16:38,865 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-10-13 23:16:38,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:16:38,876 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:38,877 INFO L380 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] [2019-10-13 23:16:38,882 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:38,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:38,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1503757110, now seen corresponding path program 1 times [2019-10-13 23:16:38,898 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:38,899 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932172000] [2019-10-13 23:16:38,899 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:38,900 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:38,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:39,292 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932172000] [2019-10-13 23:16:39,293 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:39,293 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:16:39,293 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193871219] [2019-10-13 23:16:39,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:16:39,302 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:39,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:16:39,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:16:39,318 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2019-10-13 23:16:39,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:39,366 INFO L93 Difference]: Finished difference Result 147 states and 178 transitions. [2019-10-13 23:16:39,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:16:39,367 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:16:39,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:39,378 INFO L225 Difference]: With dead ends: 147 [2019-10-13 23:16:39,378 INFO L226 Difference]: Without dead ends: 74 [2019-10-13 23:16:39,383 INFO L600 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 [2019-10-13 23:16:39,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-13 23:16:39,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-10-13 23:16:39,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-13 23:16:39,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 83 transitions. [2019-10-13 23:16:39,432 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 83 transitions. Word has length 42 [2019-10-13 23:16:39,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:39,433 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 83 transitions. [2019-10-13 23:16:39,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:16:39,433 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2019-10-13 23:16:39,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:16:39,436 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:39,437 INFO L380 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] [2019-10-13 23:16:39,437 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:39,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:39,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1886396806, now seen corresponding path program 1 times [2019-10-13 23:16:39,438 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:39,438 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036717557] [2019-10-13 23:16:39,438 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:39,438 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:39,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:39,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:39,610 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036717557] [2019-10-13 23:16:39,611 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:39,611 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:16:39,611 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927277095] [2019-10-13 23:16:39,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:16:39,615 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:39,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:16:39,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:16:39,616 INFO L87 Difference]: Start difference. First operand 74 states and 83 transitions. Second operand 3 states. [2019-10-13 23:16:39,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:39,650 INFO L93 Difference]: Finished difference Result 101 states and 112 transitions. [2019-10-13 23:16:39,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:16:39,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:16:39,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:39,656 INFO L225 Difference]: With dead ends: 101 [2019-10-13 23:16:39,656 INFO L226 Difference]: Without dead ends: 66 [2019-10-13 23:16:39,658 INFO L600 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 [2019-10-13 23:16:39,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-10-13 23:16:39,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-10-13 23:16:39,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-10-13 23:16:39,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2019-10-13 23:16:39,686 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 43 [2019-10-13 23:16:39,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:39,687 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2019-10-13 23:16:39,688 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:16:39,688 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2019-10-13 23:16:39,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:16:39,693 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:39,693 INFO L380 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] [2019-10-13 23:16:39,694 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:39,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:39,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1908102268, now seen corresponding path program 1 times [2019-10-13 23:16:39,695 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:39,695 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830724404] [2019-10-13 23:16:39,695 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:39,695 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:39,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:39,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:39,921 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830724404] [2019-10-13 23:16:39,922 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:39,922 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:16:39,922 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715673021] [2019-10-13 23:16:39,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:16:39,925 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:39,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:16:39,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:16:39,926 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand 7 states. [2019-10-13 23:16:40,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:40,213 INFO L93 Difference]: Finished difference Result 110 states and 123 transitions. [2019-10-13 23:16:40,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:16:40,215 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-13 23:16:40,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:40,216 INFO L225 Difference]: With dead ends: 110 [2019-10-13 23:16:40,217 INFO L226 Difference]: Without dead ends: 66 [2019-10-13 23:16:40,218 INFO L600 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 [2019-10-13 23:16:40,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-10-13 23:16:40,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-10-13 23:16:40,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-10-13 23:16:40,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2019-10-13 23:16:40,225 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 46 [2019-10-13 23:16:40,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:40,226 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2019-10-13 23:16:40,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:16:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2019-10-13 23:16:40,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-13 23:16:40,227 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:40,228 INFO L380 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] [2019-10-13 23:16:40,228 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:40,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:40,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1399146376, now seen corresponding path program 1 times [2019-10-13 23:16:40,229 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:40,229 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368605646] [2019-10-13 23:16:40,229 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:40,229 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:40,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:40,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:40,353 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368605646] [2019-10-13 23:16:40,353 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:40,353 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 23:16:40,353 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091646983] [2019-10-13 23:16:40,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 23:16:40,355 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:40,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 23:16:40,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:16:40,356 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand 10 states. [2019-10-13 23:16:40,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:40,781 INFO L93 Difference]: Finished difference Result 181 states and 210 transitions. [2019-10-13 23:16:40,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 23:16:40,784 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 49 [2019-10-13 23:16:40,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:40,792 INFO L225 Difference]: With dead ends: 181 [2019-10-13 23:16:40,792 INFO L226 Difference]: Without dead ends: 137 [2019-10-13 23:16:40,795 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 23:16:40,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-13 23:16:40,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 129. [2019-10-13 23:16:40,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-10-13 23:16:40,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 144 transitions. [2019-10-13 23:16:40,837 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 144 transitions. Word has length 49 [2019-10-13 23:16:40,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:40,839 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 144 transitions. [2019-10-13 23:16:40,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 23:16:40,840 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 144 transitions. [2019-10-13 23:16:40,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:16:40,843 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:40,844 INFO L380 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] [2019-10-13 23:16:40,848 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:40,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:40,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1827280684, now seen corresponding path program 1 times [2019-10-13 23:16:40,849 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:40,849 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246359683] [2019-10-13 23:16:40,849 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:40,850 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:40,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:40,943 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246359683] [2019-10-13 23:16:40,943 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:40,943 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:16:40,943 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143099346] [2019-10-13 23:16:40,944 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:16:40,944 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:40,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:16:40,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:16:40,945 INFO L87 Difference]: Start difference. First operand 129 states and 144 transitions. Second operand 3 states. [2019-10-13 23:16:40,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:40,957 INFO L93 Difference]: Finished difference Result 170 states and 191 transitions. [2019-10-13 23:16:40,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:16:40,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-13 23:16:40,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:40,960 INFO L225 Difference]: With dead ends: 170 [2019-10-13 23:16:40,960 INFO L226 Difference]: Without dead ends: 126 [2019-10-13 23:16:40,961 INFO L600 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 [2019-10-13 23:16:40,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-10-13 23:16:40,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2019-10-13 23:16:40,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-10-13 23:16:40,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 136 transitions. [2019-10-13 23:16:40,981 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 136 transitions. Word has length 52 [2019-10-13 23:16:40,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:40,983 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 136 transitions. [2019-10-13 23:16:40,983 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:16:40,983 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 136 transitions. [2019-10-13 23:16:40,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-13 23:16:40,986 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:40,987 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:16:40,987 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:40,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:40,988 INFO L82 PathProgramCache]: Analyzing trace with hash -2141674019, now seen corresponding path program 1 times [2019-10-13 23:16:40,988 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:40,988 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892335424] [2019-10-13 23:16:40,988 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:40,988 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:40,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-13 23:16:41,123 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892335424] [2019-10-13 23:16:41,123 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:41,123 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:16:41,125 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144783437] [2019-10-13 23:16:41,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:16:41,125 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:41,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:16:41,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:16:41,126 INFO L87 Difference]: Start difference. First operand 126 states and 136 transitions. Second operand 6 states. [2019-10-13 23:16:41,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:41,260 INFO L93 Difference]: Finished difference Result 128 states and 138 transitions. [2019-10-13 23:16:41,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:16:41,261 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-10-13 23:16:41,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:41,262 INFO L225 Difference]: With dead ends: 128 [2019-10-13 23:16:41,262 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:16:41,263 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:16:41,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:16:41,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:16:41,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:16:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:16:41,264 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2019-10-13 23:16:41,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:41,264 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:16:41,265 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:16:41,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:16:41,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:16:41,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:16:41,917 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 156) no Hoare annotation was computed. [2019-10-13 23:16:41,917 INFO L443 ceAbstractionStarter]: For program point L146-2(lines 146 167) no Hoare annotation was computed. [2019-10-13 23:16:41,917 INFO L443 ceAbstractionStarter]: For program point L168(lines 145 169) no Hoare annotation was computed. [2019-10-13 23:16:41,917 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 121 176) no Hoare annotation was computed. [2019-10-13 23:16:41,917 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 121 176) no Hoare annotation was computed. [2019-10-13 23:16:41,917 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-13 23:16:41,917 INFO L443 ceAbstractionStarter]: For program point L222-1(line 222) no Hoare annotation was computed. [2019-10-13 23:16:41,918 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 177 236) no Hoare annotation was computed. [2019-10-13 23:16:41,918 INFO L443 ceAbstractionStarter]: For program point L209(lines 209 213) no Hoare annotation was computed. [2019-10-13 23:16:41,918 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 177 236) no Hoare annotation was computed. [2019-10-13 23:16:41,918 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 177 236) no Hoare annotation was computed. [2019-10-13 23:16:41,918 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 228) no Hoare annotation was computed. [2019-10-13 23:16:41,918 INFO L443 ceAbstractionStarter]: For program point L229(lines 202 230) no Hoare annotation was computed. [2019-10-13 23:16:41,918 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 852 858) the Hoare annotation is: true [2019-10-13 23:16:41,919 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 852 858) no Hoare annotation was computed. [2019-10-13 23:16:41,919 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 859 867) no Hoare annotation was computed. [2019-10-13 23:16:41,919 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 859 867) the Hoare annotation is: true [2019-10-13 23:16:41,919 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-10-13 23:16:41,919 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:16:41,919 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-13 23:16:41,920 INFO L439 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:16:41,920 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-10-13 23:16:41,920 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-13 23:16:41,920 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-10-13 23:16:41,920 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-10-13 23:16:41,920 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-10-13 23:16:41,920 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-10-13 23:16:41,921 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 524 546) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:41,921 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 524 546) no Hoare annotation was computed. [2019-10-13 23:16:41,921 INFO L439 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:41,921 INFO L439 ceAbstractionStarter]: At program point L536-1(line 536) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:41,921 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 541) no Hoare annotation was computed. [2019-10-13 23:16:41,921 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 534 541) no Hoare annotation was computed. [2019-10-13 23:16:41,921 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-13 23:16:41,922 INFO L439 ceAbstractionStarter]: At program point L531(line 531) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:41,922 INFO L439 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:41,922 INFO L439 ceAbstractionStarter]: At program point L530-1(line 530) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:41,922 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 479 502) no Hoare annotation was computed. [2019-10-13 23:16:41,922 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 479 502) no Hoare annotation was computed. [2019-10-13 23:16:41,922 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 479 502) no Hoare annotation was computed. [2019-10-13 23:16:41,922 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-13 23:16:41,923 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-13 23:16:41,923 INFO L443 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2019-10-13 23:16:41,923 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-13 23:16:41,923 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-13 23:16:41,923 INFO L443 ceAbstractionStarter]: For program point L492(line 492) no Hoare annotation was computed. [2019-10-13 23:16:41,923 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-13 23:16:41,923 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-13 23:16:41,924 INFO L443 ceAbstractionStarter]: For program point L489(line 489) no Hoare annotation was computed. [2019-10-13 23:16:41,924 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-13 23:16:41,924 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-13 23:16:41,924 INFO L443 ceAbstractionStarter]: For program point L486(line 486) no Hoare annotation was computed. [2019-10-13 23:16:41,924 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-13 23:16:41,924 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-13 23:16:41,924 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 588 595) no Hoare annotation was computed. [2019-10-13 23:16:41,924 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 588 595) no Hoare annotation was computed. [2019-10-13 23:16:41,925 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2019-10-13 23:16:41,925 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2019-10-13 23:16:41,925 INFO L443 ceAbstractionStarter]: For program point L672(line 672) no Hoare annotation was computed. [2019-10-13 23:16:41,925 INFO L443 ceAbstractionStarter]: For program point L672-1(line 672) no Hoare annotation was computed. [2019-10-13 23:16:41,925 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2019-10-13 23:16:41,925 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2019-10-13 23:16:41,925 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 845 851) no Hoare annotation was computed. [2019-10-13 23:16:41,926 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 845 851) the Hoare annotation is: true [2019-10-13 23:16:41,926 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 75 120) no Hoare annotation was computed. [2019-10-13 23:16:41,926 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 75 120) no Hoare annotation was computed. [2019-10-13 23:16:41,926 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 388 433) no Hoare annotation was computed. [2019-10-13 23:16:41,926 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 388 433) no Hoare annotation was computed. [2019-10-13 23:16:41,926 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 511 520) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:41,926 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 511 520) no Hoare annotation was computed. [2019-10-13 23:16:41,927 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 511 520) no Hoare annotation was computed. [2019-10-13 23:16:41,927 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 622 632) no Hoare annotation was computed. [2019-10-13 23:16:41,927 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2019-10-13 23:16:41,927 INFO L443 ceAbstractionStarter]: For program point L627(line 627) no Hoare annotation was computed. [2019-10-13 23:16:41,927 INFO L443 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2019-10-13 23:16:41,927 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 614 621) no Hoare annotation was computed. [2019-10-13 23:16:41,927 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2019-10-13 23:16:41,927 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 581 587) no Hoare annotation was computed. [2019-10-13 23:16:41,928 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 581 587) the Hoare annotation is: true [2019-10-13 23:16:41,928 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 687 752) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:41,928 INFO L439 ceAbstractionStarter]: At program point L735-2(lines 727 740) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-13 23:16:41,928 INFO L443 ceAbstractionStarter]: For program point L698(lines 697 744) no Hoare annotation was computed. [2019-10-13 23:16:41,928 INFO L439 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-13 23:16:41,928 INFO L443 ceAbstractionStarter]: For program point L727(lines 727 740) no Hoare annotation was computed. [2019-10-13 23:16:41,929 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 687 752) no Hoare annotation was computed. [2019-10-13 23:16:41,929 INFO L439 ceAbstractionStarter]: At program point L719(line 719) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-13 23:16:41,929 INFO L443 ceAbstractionStarter]: For program point L717(lines 717 723) no Hoare annotation was computed. [2019-10-13 23:16:41,929 INFO L443 ceAbstractionStarter]: For program point L717-1(lines 717 723) no Hoare annotation was computed. [2019-10-13 23:16:41,929 INFO L439 ceAbstractionStarter]: At program point L742(lines 697 744) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-13 23:16:41,929 INFO L439 ceAbstractionStarter]: At program point L709(line 709) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-13 23:16:41,929 INFO L443 ceAbstractionStarter]: For program point L707(lines 707 713) no Hoare annotation was computed. [2019-10-13 23:16:41,930 INFO L443 ceAbstractionStarter]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2019-10-13 23:16:41,930 INFO L439 ceAbstractionStarter]: At program point L745(lines 696 746) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:41,930 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 687 752) no Hoare annotation was computed. [2019-10-13 23:16:41,930 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 342 387) no Hoare annotation was computed. [2019-10-13 23:16:41,930 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 342 387) no Hoare annotation was computed. [2019-10-13 23:16:41,930 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 801 823) no Hoare annotation was computed. [2019-10-13 23:16:41,930 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 801 823) no Hoare annotation was computed. [2019-10-13 23:16:41,930 INFO L443 ceAbstractionStarter]: For program point L289(lines 288 308) no Hoare annotation was computed. [2019-10-13 23:16:41,930 INFO L443 ceAbstractionStarter]: For program point L320(line 320) no Hoare annotation was computed. [2019-10-13 23:16:41,931 INFO L443 ceAbstractionStarter]: For program point L320-1(line 320) no Hoare annotation was computed. [2019-10-13 23:16:41,931 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 239 341) no Hoare annotation was computed. [2019-10-13 23:16:41,931 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 326) no Hoare annotation was computed. [2019-10-13 23:16:41,931 INFO L443 ceAbstractionStarter]: For program point L304(line 304) no Hoare annotation was computed. [2019-10-13 23:16:41,931 INFO L443 ceAbstractionStarter]: For program point L304-1(line 304) no Hoare annotation was computed. [2019-10-13 23:16:41,931 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 267) no Hoare annotation was computed. [2019-10-13 23:16:41,931 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 239 341) no Hoare annotation was computed. [2019-10-13 23:16:41,931 INFO L443 ceAbstractionStarter]: For program point L288-2(lines 288 308) no Hoare annotation was computed. [2019-10-13 23:16:41,932 INFO L443 ceAbstractionStarter]: For program point L309(lines 287 310) no Hoare annotation was computed. [2019-10-13 23:16:41,932 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 239 341) no Hoare annotation was computed. [2019-10-13 23:16:41,932 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 284) no Hoare annotation was computed. [2019-10-13 23:16:41,932 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 835 844) no Hoare annotation was computed. [2019-10-13 23:16:41,932 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 835 844) no Hoare annotation was computed. [2019-10-13 23:16:41,932 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:16:41,932 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:41,932 INFO L443 ceAbstractionStarter]: For program point L608(line 608) no Hoare annotation was computed. [2019-10-13 23:16:41,932 INFO L443 ceAbstractionStarter]: For program point L608-1(lines 597 613) no Hoare annotation was computed. [2019-10-13 23:16:41,933 INFO L443 ceAbstractionStarter]: For program point L604(lines 604 610) no Hoare annotation was computed. [2019-10-13 23:16:41,933 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 597 613) no Hoare annotation was computed. [2019-10-13 23:16:41,933 INFO L443 ceAbstractionStarter]: For program point L602(line 602) no Hoare annotation was computed. [2019-10-13 23:16:41,933 INFO L443 ceAbstractionStarter]: For program point L602-1(line 602) no Hoare annotation was computed. [2019-10-13 23:16:41,933 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 597 613) no Hoare annotation was computed. [2019-10-13 23:16:41,933 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 824 832) the Hoare annotation is: true [2019-10-13 23:16:41,933 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 824 832) no Hoare annotation was computed. [2019-10-13 23:16:41,933 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:41,933 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:16:41,934 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 780 791) the Hoare annotation is: true [2019-10-13 23:16:41,934 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 780 791) no Hoare annotation was computed. [2019-10-13 23:16:41,934 INFO L439 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1))) [2019-10-13 23:16:41,934 INFO L439 ceAbstractionStarter]: At program point L568(lines 568 574) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1))) [2019-10-13 23:16:41,934 INFO L439 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:16:41,952 INFO L443 ceAbstractionStarter]: For program point L561(lines 560 579) no Hoare annotation was computed. [2019-10-13 23:16:41,952 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 557 580) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1))) [2019-10-13 23:16:41,952 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 557 580) no Hoare annotation was computed. [2019-10-13 23:16:41,952 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 557 580) no Hoare annotation was computed. [2019-10-13 23:16:41,952 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2019-10-13 23:16:41,953 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2019-10-13 23:16:41,953 INFO L446 ceAbstractionStarter]: At program point L471(lines 446 475) the Hoare annotation is: true [2019-10-13 23:16:41,953 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-13 23:16:41,953 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 464) no Hoare annotation was computed. [2019-10-13 23:16:41,953 INFO L446 ceAbstractionStarter]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2019-10-13 23:16:41,953 INFO L446 ceAbstractionStarter]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2019-10-13 23:16:41,953 INFO L446 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2019-10-13 23:16:41,953 INFO L443 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2019-10-13 23:16:41,954 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 792 800) no Hoare annotation was computed. [2019-10-13 23:16:41,954 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 792 800) no Hoare annotation was computed. [2019-10-13 23:16:41,954 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 756 767) the Hoare annotation is: true [2019-10-13 23:16:41,954 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 756 767) no Hoare annotation was computed. [2019-10-13 23:16:41,954 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2019-10-13 23:16:41,954 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2019-10-13 23:16:41,954 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:41,954 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 23:16:41,954 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:16:41,955 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:16:41,955 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 678 685) no Hoare annotation was computed. [2019-10-13 23:16:41,955 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 678 685) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-13 23:16:41,955 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 768 779) no Hoare annotation was computed. [2019-10-13 23:16:41,955 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 768 779) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:41,955 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2019-10-13 23:16:41,956 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-10-13 23:16:41,956 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2019-10-13 23:16:41,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:16:41 BoogieIcfgContainer [2019-10-13 23:16:41,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:16:41,985 INFO L168 Benchmark]: Toolchain (without parser) took 5623.96 ms. Allocated memory was 145.8 MB in the beginning and 287.3 MB in the end (delta: 141.6 MB). Free memory was 102.7 MB in the beginning and 254.2 MB in the end (delta: -151.5 MB). Peak memory consumption was 112.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:41,987 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 23:16:41,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.43 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.5 MB in the beginning and 172.2 MB in the end (delta: -69.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:41,995 INFO L168 Benchmark]: Boogie Preprocessor took 120.20 ms. Allocated memory is still 203.9 MB. Free memory was 172.2 MB in the beginning and 168.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:41,996 INFO L168 Benchmark]: RCFGBuilder took 1617.63 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 168.2 MB in the beginning and 156.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:41,997 INFO L168 Benchmark]: TraceAbstraction took 3206.86 ms. Allocated memory was 237.0 MB in the beginning and 287.3 MB in the end (delta: 50.3 MB). Free memory was 156.5 MB in the beginning and 254.2 MB in the end (delta: -97.6 MB). Peak memory consumption was 75.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:42,008 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.43 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.5 MB in the beginning and 172.2 MB in the end (delta: -69.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.20 ms. Allocated memory is still 203.9 MB. Free memory was 172.2 MB in the beginning and 168.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1617.63 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 168.2 MB in the beginning and 156.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3206.86 ms. Allocated memory was 237.0 MB in the beginning and 287.3 MB in the end (delta: 50.3 MB). Free memory was 156.5 MB in the beginning and 254.2 MB in the end (delta: -97.6 MB). Peak memory consumption was 75.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (1 == systemActive && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 161 locations, 1 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 438 SDtfs, 219 SDslu, 805 SDs, 0 SdLazy, 305 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 160 PreInvPairs, 181 NumberOfFragments, 465 HoareAnnotationTreeSize, 160 FomulaSimplifications, 147 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 714 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 311 NumberOfCodeBlocks, 311 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 305 ConstructedInterpolants, 0 QuantifiedInterpolants, 31861 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 23/23 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...