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_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:18:56,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:18:56,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:18:56,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:18:56,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:18:56,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:18:56,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:18:56,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:18:56,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:18:56,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:18:56,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:18:56,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:18:56,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:18:56,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:18:56,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:18:56,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:18:56,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:18:56,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:18:56,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:18:56,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:18:56,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:18:56,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:18:56,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:18:56,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:18:56,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:18:56,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:18:56,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:18:56,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:18:56,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:18:56,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:18:56,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:18:56,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:18:56,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:18:56,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:18:56,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:18:56,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:18:56,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:18:56,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:18:56,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:18:56,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:18:56,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:18:56,271 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 [2019-10-07 15:18:56,285 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:18:56,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:18:56,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:18:56,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:18:56,287 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:18:56,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:18:56,288 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:18:56,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:18:56,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:18:56,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:18:56,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:18:56,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:18:56,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:18:56,289 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:18:56,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:18:56,290 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:18:56,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:18:56,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:18:56,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:18:56,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:18:56,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:18:56,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:18:56,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:18:56,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:18:56,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:18:56,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:18:56,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:18:56,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:18:56,292 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 [2019-10-07 15:18:56,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:18:56,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:18:56,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:18:56,624 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:18:56,625 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:18:56,625 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2019-10-07 15:18:56,687 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/056b6af86/a9a4139c2ab249a1ab26f167276fa771/FLAGb657b9dee [2019-10-07 15:18:57,248 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:18:57,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2019-10-07 15:18:57,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/056b6af86/a9a4139c2ab249a1ab26f167276fa771/FLAGb657b9dee [2019-10-07 15:18:57,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/056b6af86/a9a4139c2ab249a1ab26f167276fa771 [2019-10-07 15:18:57,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:18:57,535 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:18:57,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:57,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:18:57,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:18:57,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:57" (1/1) ... [2019-10-07 15:18:57,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caf3c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:57, skipping insertion in model container [2019-10-07 15:18:57,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:57" (1/1) ... [2019-10-07 15:18:57,552 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:18:57,614 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:18:58,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:58,202 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:18:58,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:58,382 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:18:58,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:58 WrapperNode [2019-10-07 15:18:58,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:58,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:18:58,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:18:58,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:18:58,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:58" (1/1) ... [2019-10-07 15:18:58,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:58" (1/1) ... [2019-10-07 15:18:58,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:58" (1/1) ... [2019-10-07 15:18:58,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:58" (1/1) ... [2019-10-07 15:18:58,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:58" (1/1) ... [2019-10-07 15:18:58,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:58" (1/1) ... [2019-10-07 15:18:58,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:58" (1/1) ... [2019-10-07 15:18:58,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:18:58,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:18:58,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:18:58,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:18:58,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:58" (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 [2019-10-07 15:18:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:18:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:18:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:18:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:18:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:18:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:18:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:18:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:18:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:18:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:18:58,531 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:18:58,531 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:18:58,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:18:58,531 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:18:58,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:18:58,534 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:18:58,534 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:18:58,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:58,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:58,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:18:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:18:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:18:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:18:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:18:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:18:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:18:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:18:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:18:58,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:18:58,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:18:58,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:18:58,539 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:18:58,540 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:18:58,540 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:18:58,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:18:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:18:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:18:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:18:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:18:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:18:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:18:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:18:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:18:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:18:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:18:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:18:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:18:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:18:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:18:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:18:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:18:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:18:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:18:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:18:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:18:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:18:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:18:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:18:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:18:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:18:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:18:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:18:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:18:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:18:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:18:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:18:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:18:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:18:58,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:18:58,548 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:18:58,548 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:18:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:18:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:18:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:18:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:18:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:18:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:18:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:18:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:18:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:18:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:18:58,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:19:00,042 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:19:00,042 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:19:00,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:00 BoogieIcfgContainer [2019-10-07 15:19:00,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:19:00,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:19:00,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:19:00,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:19:00,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:18:57" (1/3) ... [2019-10-07 15:19:00,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5521218e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:00, skipping insertion in model container [2019-10-07 15:19:00,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:58" (2/3) ... [2019-10-07 15:19:00,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5521218e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:00, skipping insertion in model container [2019-10-07 15:19:00,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:00" (3/3) ... [2019-10-07 15:19:00,052 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2019-10-07 15:19:00,063 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:19:00,072 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:19:00,083 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:19:00,114 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:19:00,114 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:19:00,114 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:19:00,114 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:19:00,114 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:19:00,115 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:19:00,115 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:19:00,115 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:19:00,141 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2019-10-07 15:19:00,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:19:00,151 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:00,152 INFO L385 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] [2019-10-07 15:19:00,154 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:00,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:00,163 INFO L82 PathProgramCache]: Analyzing trace with hash -527254422, now seen corresponding path program 1 times [2019-10-07 15:19:00,175 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:00,175 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:00,176 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:00,176 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:00,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:00,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:00,593 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:00,593 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:00,594 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:19:00,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:19:00,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:19:00,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:19:00,615 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2019-10-07 15:19:00,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:00,656 INFO L93 Difference]: Finished difference Result 195 states and 238 transitions. [2019-10-07 15:19:00,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:19:00,658 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:19:00,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:00,672 INFO L225 Difference]: With dead ends: 195 [2019-10-07 15:19:00,673 INFO L226 Difference]: Without dead ends: 98 [2019-10-07 15:19:00,677 INFO L606 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 [2019-10-07 15:19:00,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-10-07 15:19:00,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2019-10-07 15:19:00,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-10-07 15:19:00,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 113 transitions. [2019-10-07 15:19:00,737 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 113 transitions. Word has length 42 [2019-10-07 15:19:00,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:00,738 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 113 transitions. [2019-10-07 15:19:00,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:19:00,738 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 113 transitions. [2019-10-07 15:19:00,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:19:00,742 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:00,742 INFO L385 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] [2019-10-07 15:19:00,742 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:00,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:00,743 INFO L82 PathProgramCache]: Analyzing trace with hash 2094141009, now seen corresponding path program 1 times [2019-10-07 15:19:00,743 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:00,743 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:00,744 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:00,744 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:00,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:00,846 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:00,846 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:00,846 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:19:00,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:19:00,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:19:00,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:00,849 INFO L87 Difference]: Start difference. First operand 98 states and 113 transitions. Second operand 3 states. [2019-10-07 15:19:00,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:00,868 INFO L93 Difference]: Finished difference Result 143 states and 163 transitions. [2019-10-07 15:19:00,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:19:00,869 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:19:00,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:00,871 INFO L225 Difference]: With dead ends: 143 [2019-10-07 15:19:00,872 INFO L226 Difference]: Without dead ends: 90 [2019-10-07 15:19:00,873 INFO L606 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 [2019-10-07 15:19:00,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-07 15:19:00,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-10-07 15:19:00,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-07 15:19:00,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2019-10-07 15:19:00,888 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 43 [2019-10-07 15:19:00,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:00,888 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2019-10-07 15:19:00,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:19:00,889 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2019-10-07 15:19:00,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:19:00,890 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:00,891 INFO L385 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] [2019-10-07 15:19:00,891 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:00,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:00,892 INFO L82 PathProgramCache]: Analyzing trace with hash -929060461, now seen corresponding path program 1 times [2019-10-07 15:19:00,892 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:00,892 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:00,892 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:00,892 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:00,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:01,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:01,106 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:01,107 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:01,107 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:19:01,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:01,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:01,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:19:01,110 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand 7 states. [2019-10-07 15:19:01,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:01,640 INFO L93 Difference]: Finished difference Result 271 states and 322 transitions. [2019-10-07 15:19:01,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:19:01,641 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-10-07 15:19:01,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:01,645 INFO L225 Difference]: With dead ends: 271 [2019-10-07 15:19:01,646 INFO L226 Difference]: Without dead ends: 203 [2019-10-07 15:19:01,648 INFO L606 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 [2019-10-07 15:19:01,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-10-07 15:19:01,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 191. [2019-10-07 15:19:01,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-10-07 15:19:01,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 226 transitions. [2019-10-07 15:19:01,703 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 226 transitions. Word has length 47 [2019-10-07 15:19:01,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:01,704 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 226 transitions. [2019-10-07 15:19:01,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:01,704 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 226 transitions. [2019-10-07 15:19:01,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:19:01,707 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:01,707 INFO L385 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] [2019-10-07 15:19:01,708 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:01,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:01,712 INFO L82 PathProgramCache]: Analyzing trace with hash 716611704, now seen corresponding path program 1 times [2019-10-07 15:19:01,712 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:01,712 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:01,712 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:01,712 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:01,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:01,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:01,907 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:01,908 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:01,908 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:19:01,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:19:01,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:19:01,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:19:01,910 INFO L87 Difference]: Start difference. First operand 191 states and 226 transitions. Second operand 10 states. [2019-10-07 15:19:02,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:02,473 INFO L93 Difference]: Finished difference Result 659 states and 826 transitions. [2019-10-07 15:19:02,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:19:02,474 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2019-10-07 15:19:02,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:02,480 INFO L225 Difference]: With dead ends: 659 [2019-10-07 15:19:02,480 INFO L226 Difference]: Without dead ends: 490 [2019-10-07 15:19:02,483 INFO L606 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 [2019-10-07 15:19:02,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-10-07 15:19:02,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 466. [2019-10-07 15:19:02,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2019-10-07 15:19:02,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 569 transitions. [2019-10-07 15:19:02,577 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 569 transitions. Word has length 51 [2019-10-07 15:19:02,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:02,578 INFO L462 AbstractCegarLoop]: Abstraction has 466 states and 569 transitions. [2019-10-07 15:19:02,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:19:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 569 transitions. [2019-10-07 15:19:02,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:19:02,590 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:02,590 INFO L385 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] [2019-10-07 15:19:02,593 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:02,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:02,594 INFO L82 PathProgramCache]: Analyzing trace with hash 981053898, now seen corresponding path program 1 times [2019-10-07 15:19:02,594 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:02,594 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:02,594 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:02,595 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:02,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:02,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:02,715 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:02,715 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:02,715 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 15:19:02,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 15:19:02,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 15:19:02,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 15:19:02,717 INFO L87 Difference]: Start difference. First operand 466 states and 569 transitions. Second operand 4 states. [2019-10-07 15:19:02,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:02,884 INFO L93 Difference]: Finished difference Result 808 states and 1021 transitions. [2019-10-07 15:19:02,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 15:19:02,884 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2019-10-07 15:19:02,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:02,887 INFO L225 Difference]: With dead ends: 808 [2019-10-07 15:19:02,887 INFO L226 Difference]: Without dead ends: 364 [2019-10-07 15:19:02,890 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:19:02,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-10-07 15:19:02,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 352. [2019-10-07 15:19:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2019-10-07 15:19:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 399 transitions. [2019-10-07 15:19:02,913 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 399 transitions. Word has length 54 [2019-10-07 15:19:02,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:02,913 INFO L462 AbstractCegarLoop]: Abstraction has 352 states and 399 transitions. [2019-10-07 15:19:02,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 15:19:02,913 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 399 transitions. [2019-10-07 15:19:02,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-07 15:19:02,915 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:02,915 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:02,916 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:02,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:02,916 INFO L82 PathProgramCache]: Analyzing trace with hash -132024411, now seen corresponding path program 1 times [2019-10-07 15:19:02,916 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:02,917 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:02,917 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:02,917 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:02,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:19:03,012 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:03,013 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:19:03,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:19:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:03,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-07 15:19:03,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:19:03,264 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-07 15:19:03,265 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:19:03,366 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 15:19:03,366 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:19:03,367 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 9 [2019-10-07 15:19:03,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:03,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:03,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:19:03,368 INFO L87 Difference]: Start difference. First operand 352 states and 399 transitions. Second operand 7 states. [2019-10-07 15:19:03,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:03,562 INFO L93 Difference]: Finished difference Result 358 states and 405 transitions. [2019-10-07 15:19:03,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:19:03,563 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2019-10-07 15:19:03,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:03,564 INFO L225 Difference]: With dead ends: 358 [2019-10-07 15:19:03,564 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:19:03,565 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:19:03,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:19:03,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:19:03,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:19:03,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:19:03,566 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2019-10-07 15:19:03,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:03,567 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:19:03,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:03,567 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:19:03,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:19:03,774 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:19:03,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:19:04,660 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-10-07 15:19:05,113 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 350) no Hoare annotation was computed. [2019-10-07 15:19:05,113 INFO L443 ceAbstractionStarter]: For program point L340-2(lines 340 361) no Hoare annotation was computed. [2019-10-07 15:19:05,113 INFO L443 ceAbstractionStarter]: For program point L362(lines 339 363) no Hoare annotation was computed. [2019-10-07 15:19:05,113 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 315 370) no Hoare annotation was computed. [2019-10-07 15:19:05,113 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 315 370) no Hoare annotation was computed. [2019-10-07 15:19:05,113 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-07 15:19:05,113 INFO L443 ceAbstractionStarter]: For program point L416-1(line 416) no Hoare annotation was computed. [2019-10-07 15:19:05,113 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 371 430) no Hoare annotation was computed. [2019-10-07 15:19:05,113 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 407) no Hoare annotation was computed. [2019-10-07 15:19:05,114 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 371 430) no Hoare annotation was computed. [2019-10-07 15:19:05,114 INFO L443 ceAbstractionStarter]: For program point L397-2(lines 397 422) no Hoare annotation was computed. [2019-10-07 15:19:05,114 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 371 430) no Hoare annotation was computed. [2019-10-07 15:19:05,114 INFO L443 ceAbstractionStarter]: For program point L423(lines 396 424) no Hoare annotation was computed. [2019-10-07 15:19:05,114 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 147 153) the Hoare annotation is: true [2019-10-07 15:19:05,114 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 147 153) no Hoare annotation was computed. [2019-10-07 15:19:05,114 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 154 162) no Hoare annotation was computed. [2019-10-07 15:19:05,114 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 154 162) the Hoare annotation is: true [2019-10-07 15:19:05,115 INFO L439 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2019-10-07 15:19:05,115 INFO L443 ceAbstractionStarter]: For program point L641-1(line 641) no Hoare annotation was computed. [2019-10-07 15:19:05,115 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 652) no Hoare annotation was computed. [2019-10-07 15:19:05,115 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 631 655) the Hoare annotation is: true [2019-10-07 15:19:05,115 INFO L443 ceAbstractionStarter]: For program point L639-1(lines 631 655) no Hoare annotation was computed. [2019-10-07 15:19:05,115 INFO L446 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: true [2019-10-07 15:19:05,115 INFO L443 ceAbstractionStarter]: For program point L637-1(line 637) no Hoare annotation was computed. [2019-10-07 15:19:05,116 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 631 655) no Hoare annotation was computed. [2019-10-07 15:19:05,116 INFO L439 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:19:05,116 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-10-07 15:19:05,116 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 239 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:05,116 INFO L439 ceAbstractionStarter]: At program point L251(line 251) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:05,117 INFO L439 ceAbstractionStarter]: At program point L251-1(line 251) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:05,117 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 256) no Hoare annotation was computed. [2019-10-07 15:19:05,117 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 239 261) no Hoare annotation was computed. [2019-10-07 15:19:05,117 INFO L443 ceAbstractionStarter]: For program point L249-1(lines 249 256) no Hoare annotation was computed. [2019-10-07 15:19:05,117 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-10-07 15:19:05,117 INFO L439 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:05,118 INFO L439 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:05,118 INFO L439 ceAbstractionStarter]: At program point L245-1(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:05,118 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 197 220) no Hoare annotation was computed. [2019-10-07 15:19:05,118 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 197 220) no Hoare annotation was computed. [2019-10-07 15:19:05,118 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 197 220) no Hoare annotation was computed. [2019-10-07 15:19:05,118 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-10-07 15:19:05,119 INFO L443 ceAbstractionStarter]: For program point L214(line 214) no Hoare annotation was computed. [2019-10-07 15:19:05,119 INFO L443 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2019-10-07 15:19:05,119 INFO L443 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2019-10-07 15:19:05,119 INFO L443 ceAbstractionStarter]: For program point L211(line 211) no Hoare annotation was computed. [2019-10-07 15:19:05,119 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-10-07 15:19:05,119 INFO L443 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2019-10-07 15:19:05,119 INFO L443 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-10-07 15:19:05,119 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-10-07 15:19:05,120 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-10-07 15:19:05,120 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-10-07 15:19:05,120 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-10-07 15:19:05,120 INFO L443 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2019-10-07 15:19:05,120 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-07 15:19:05,120 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 793 807) no Hoare annotation was computed. [2019-10-07 15:19:05,120 INFO L439 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:19:05,121 INFO L443 ceAbstractionStarter]: For program point L797(lines 797 803) no Hoare annotation was computed. [2019-10-07 15:19:05,121 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 793 807) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:05,121 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 748 756) no Hoare annotation was computed. [2019-10-07 15:19:05,121 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 748 756) the Hoare annotation is: true [2019-10-07 15:19:05,121 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-10-07 15:19:05,121 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-10-07 15:19:05,121 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 757 792) no Hoare annotation was computed. [2019-10-07 15:19:05,122 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 757 792) no Hoare annotation was computed. [2019-10-07 15:19:05,122 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 140 146) no Hoare annotation was computed. [2019-10-07 15:19:05,122 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 140 146) the Hoare annotation is: true [2019-10-07 15:19:05,122 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 269 314) no Hoare annotation was computed. [2019-10-07 15:19:05,122 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 269 314) no Hoare annotation was computed. [2019-10-07 15:19:05,122 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 582 627) no Hoare annotation was computed. [2019-10-07 15:19:05,122 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 582 627) no Hoare annotation was computed. [2019-10-07 15:19:05,123 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 229 238) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:05,123 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 229 238) no Hoare annotation was computed. [2019-10-07 15:19:05,123 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 229 238) no Hoare annotation was computed. [2019-10-07 15:19:05,123 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 737 747) the Hoare annotation is: true [2019-10-07 15:19:05,123 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 737 747) no Hoare annotation was computed. [2019-10-07 15:19:05,123 INFO L446 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2019-10-07 15:19:05,123 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-10-07 15:19:05,123 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2019-10-07 15:19:05,124 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2019-10-07 15:19:05,124 INFO L443 ceAbstractionStarter]: For program point L704(lines 704 712) no Hoare annotation was computed. [2019-10-07 15:19:05,124 INFO L439 ceAbstractionStarter]: At program point L702(line 702) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:05,124 INFO L443 ceAbstractionStarter]: For program point L702-1(line 702) no Hoare annotation was computed. [2019-10-07 15:19:05,124 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 717) no Hoare annotation was computed. [2019-10-07 15:19:05,124 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 696 720) no Hoare annotation was computed. [2019-10-07 15:19:05,124 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 696 720) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:05,124 INFO L439 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:05,125 INFO L443 ceAbstractionStarter]: For program point L715-1(lines 696 720) no Hoare annotation was computed. [2019-10-07 15:19:05,125 INFO L439 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:05,125 INFO L439 ceAbstractionStarter]: At program point L706(line 706) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:05,125 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 688 694) no Hoare annotation was computed. [2019-10-07 15:19:05,125 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 688 694) the Hoare annotation is: true [2019-10-07 15:19:05,125 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 871) no Hoare annotation was computed. [2019-10-07 15:19:05,125 INFO L439 ceAbstractionStarter]: At program point L865-1(lines 857 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:05,126 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 817 884) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:05,126 INFO L443 ceAbstractionStarter]: For program point L828(lines 827 876) no Hoare annotation was computed. [2019-10-07 15:19:05,126 INFO L439 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:05,126 INFO L443 ceAbstractionStarter]: For program point L857(lines 857 872) no Hoare annotation was computed. [2019-10-07 15:19:05,126 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 817 884) no Hoare annotation was computed. [2019-10-07 15:19:05,126 INFO L439 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:05,126 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 853) no Hoare annotation was computed. [2019-10-07 15:19:05,127 INFO L443 ceAbstractionStarter]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2019-10-07 15:19:05,127 INFO L439 ceAbstractionStarter]: At program point L874(lines 827 876) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:05,127 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:05,127 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 843) no Hoare annotation was computed. [2019-10-07 15:19:05,127 INFO L443 ceAbstractionStarter]: For program point L837-1(lines 837 843) no Hoare annotation was computed. [2019-10-07 15:19:05,127 INFO L439 ceAbstractionStarter]: At program point L877(lines 826 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:05,128 INFO L439 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:05,128 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 817 884) no Hoare annotation was computed. [2019-10-07 15:19:05,128 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 536 581) no Hoare annotation was computed. [2019-10-07 15:19:05,128 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 536 581) no Hoare annotation was computed. [2019-10-07 15:19:05,128 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2019-10-07 15:19:05,128 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2019-10-07 15:19:05,128 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 130 139) no Hoare annotation was computed. [2019-10-07 15:19:05,128 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 130 139) no Hoare annotation was computed. [2019-10-07 15:19:05,129 INFO L443 ceAbstractionStarter]: For program point L514-1(line 514) no Hoare annotation was computed. [2019-10-07 15:19:05,129 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 520) no Hoare annotation was computed. [2019-10-07 15:19:05,129 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 433 535) no Hoare annotation was computed. [2019-10-07 15:19:05,129 INFO L443 ceAbstractionStarter]: For program point L498(line 498) no Hoare annotation was computed. [2019-10-07 15:19:05,129 INFO L443 ceAbstractionStarter]: For program point L498-1(line 498) no Hoare annotation was computed. [2019-10-07 15:19:05,129 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 461) no Hoare annotation was computed. [2019-10-07 15:19:05,129 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 433 535) no Hoare annotation was computed. [2019-10-07 15:19:05,129 INFO L443 ceAbstractionStarter]: For program point L482-2(lines 482 502) no Hoare annotation was computed. [2019-10-07 15:19:05,129 INFO L443 ceAbstractionStarter]: For program point L503(lines 481 504) no Hoare annotation was computed. [2019-10-07 15:19:05,130 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 433 535) no Hoare annotation was computed. [2019-10-07 15:19:05,130 INFO L443 ceAbstractionStarter]: For program point L462(lines 462 478) no Hoare annotation was computed. [2019-10-07 15:19:05,130 INFO L443 ceAbstractionStarter]: For program point L483(lines 482 502) no Hoare annotation was computed. [2019-10-07 15:19:05,130 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-07 15:19:05,130 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:19:05,130 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:05,130 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 721 728) no Hoare annotation was computed. [2019-10-07 15:19:05,130 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 721 728) no Hoare annotation was computed. [2019-10-07 15:19:05,131 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2019-10-07 15:19:05,131 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2019-10-07 15:19:05,131 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2019-10-07 15:19:05,131 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2019-10-07 15:19:05,131 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:05,131 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:19:05,131 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2019-10-07 15:19:05,131 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2019-10-07 15:19:05,132 INFO L439 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:19:05,132 INFO L443 ceAbstractionStarter]: For program point L668(lines 667 686) no Hoare annotation was computed. [2019-10-07 15:19:05,132 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 664 687) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or .cse0 (= ~pumpRunning~0 0)))) [2019-10-07 15:19:05,132 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 664 687) no Hoare annotation was computed. [2019-10-07 15:19:05,132 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 664 687) no Hoare annotation was computed. [2019-10-07 15:19:05,132 INFO L439 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:19:05,132 INFO L439 ceAbstractionStarter]: At program point L675(lines 675 681) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or .cse0 (= ~pumpRunning~0 0)))) [2019-10-07 15:19:05,133 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 166 195) no Hoare annotation was computed. [2019-10-07 15:19:05,133 INFO L446 ceAbstractionStarter]: At program point L191(lines 166 195) the Hoare annotation is: true [2019-10-07 15:19:05,133 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 166 195) the Hoare annotation is: true [2019-10-07 15:19:05,133 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-07 15:19:05,133 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-07 15:19:05,133 INFO L446 ceAbstractionStarter]: At program point L180-1(lines 180 184) the Hoare annotation is: true [2019-10-07 15:19:05,133 INFO L446 ceAbstractionStarter]: At program point L176-2(lines 176 190) the Hoare annotation is: true [2019-10-07 15:19:05,133 INFO L446 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: true [2019-10-07 15:19:05,134 INFO L443 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2019-10-07 15:19:05,134 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2019-10-07 15:19:05,134 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2019-10-07 15:19:05,134 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 221 227) no Hoare annotation was computed. [2019-10-07 15:19:05,134 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 221 227) the Hoare annotation is: true [2019-10-07 15:19:05,134 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:05,134 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:05,134 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:19:05,135 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:19:05,135 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 808 815) no Hoare annotation was computed. [2019-10-07 15:19:05,135 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 808 815) the Hoare annotation is: true [2019-10-07 15:19:05,135 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2019-10-07 15:19:05,135 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) [2019-10-07 15:19:05,135 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 886 893) the Hoare annotation is: true [2019-10-07 15:19:05,135 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-10-07 15:19:05,136 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 886 893) no Hoare annotation was computed. [2019-10-07 15:19:05,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:19:05 BoogieIcfgContainer [2019-10-07 15:19:05,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:19:05,153 INFO L168 Benchmark]: Toolchain (without parser) took 7617.29 ms. Allocated memory was 134.7 MB in the beginning and 305.7 MB in the end (delta: 170.9 MB). Free memory was 98.3 MB in the beginning and 245.1 MB in the end (delta: -146.9 MB). Peak memory consumption was 189.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:05,154 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 118.0 MB in the beginning and 117.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 15:19:05,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 846.98 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 98.1 MB in the beginning and 167.8 MB in the end (delta: -69.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:05,156 INFO L168 Benchmark]: Boogie Preprocessor took 84.89 ms. Allocated memory is still 201.3 MB. Free memory was 167.8 MB in the beginning and 163.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:05,157 INFO L168 Benchmark]: RCFGBuilder took 1574.89 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 163.4 MB in the beginning and 153.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:05,158 INFO L168 Benchmark]: TraceAbstraction took 5105.53 ms. Allocated memory was 227.0 MB in the beginning and 305.7 MB in the end (delta: 78.6 MB). Free memory was 151.9 MB in the beginning and 245.1 MB in the end (delta: -93.2 MB). Peak memory consumption was 151.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:05,162 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 118.0 MB in the beginning and 117.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 846.98 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 98.1 MB in the beginning and 167.8 MB in the end (delta: -69.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.89 ms. Allocated memory is still 201.3 MB. Free memory was 167.8 MB in the beginning and 163.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1574.89 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 163.4 MB in the beginning and 153.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5105.53 ms. Allocated memory was 227.0 MB in the beginning and 305.7 MB in the end (delta: 78.6 MB). Free memory was 151.9 MB in the beginning and 245.1 MB in the end (delta: -93.2 MB). Peak memory consumption was 151.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: 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: 826]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 170 locations, 1 error locations. Result: SAFE, OverallTime: 5.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, HoareTripleCheckerStatistics: 623 SDtfs, 469 SDslu, 1400 SDs, 0 SdLazy, 512 SolverSat, 116 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=466occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 48 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 541 PreInvPairs, 602 NumberOfFragments, 549 HoareAnnotationTreeSize, 541 FomulaSimplifications, 844 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 54 FomulaSimplificationsInter, 2710 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 395 NumberOfCodeBlocks, 395 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 466 ConstructedInterpolants, 0 QuantifiedInterpolants, 51496 SizeOfPredicates, 2 NumberOfNonLiveVariables, 745 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 60/63 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...