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_spec5_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:17:44,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:17:44,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:17:44,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:17:44,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:17:44,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:17:44,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:17:44,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:17:44,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:17:44,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:17:44,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:17:44,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:17:44,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:17:44,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:17:44,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:17:44,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:17:44,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:17:44,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:17:44,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:17:44,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:17:44,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:17:44,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:17:44,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:17:44,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:17:44,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:17:44,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:17:44,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:17:44,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:17:44,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:17:44,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:17:44,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:17:44,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:17:44,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:17:44,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:17:44,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:17:44,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:17:44,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:17:44,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:17:44,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:17:44,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:17:44,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:17:44,201 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 23:17:44,215 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:17:44,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:17:44,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:17:44,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:17:44,217 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:17:44,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:17:44,218 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:17:44,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:17:44,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:17:44,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:17:44,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:17:44,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:17:44,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:17:44,220 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:17:44,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:17:44,220 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:17:44,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:17:44,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:17:44,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:17:44,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:17:44,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:17:44,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:17:44,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:17:44,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:17:44,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:17:44,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:17:44,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:17:44,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:17:44,223 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 23:17:44,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:17:44,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:17:44,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:17:44,574 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:17:44,574 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:17:44,575 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product07.cil.c [2019-10-13 23:17:44,646 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfa392c60/ae2ad88ae0b14c159e0fe46800bf6538/FLAG322757fa3 [2019-10-13 23:17:45,188 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:17:45,189 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product07.cil.c [2019-10-13 23:17:45,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfa392c60/ae2ad88ae0b14c159e0fe46800bf6538/FLAG322757fa3 [2019-10-13 23:17:45,483 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfa392c60/ae2ad88ae0b14c159e0fe46800bf6538 [2019-10-13 23:17:45,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:17:45,495 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:17:45,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:45,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:17:45,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:17:45,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:45" (1/1) ... [2019-10-13 23:17:45,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79462fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:45, skipping insertion in model container [2019-10-13 23:17:45,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:45" (1/1) ... [2019-10-13 23:17:45,513 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:17:45,580 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:17:46,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:46,087 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:17:46,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:46,222 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:17:46,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46 WrapperNode [2019-10-13 23:17:46,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:46,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:17:46,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:17:46,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:17:46,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:17:46,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:17:46,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:17:46,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:17:46,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (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 23:17:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:17:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:17:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:17:46,391 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:17:46,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:17:46,391 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:17:46,391 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:17:46,391 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:17:46,392 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:17:46,392 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:17:46,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:17:46,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:17:46,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:17:46,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:46,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:46,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:46,393 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:17:46,393 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:17:46,393 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:17:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:17:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:17:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:17:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:17:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:17:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:17:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:17:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:17:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:17:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:17:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:17:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:17:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:17:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:17:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:17:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:17:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:17:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:17:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:17:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:17:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:17:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:17:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:17:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:17:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:17:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:17:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:17:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:17:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:17:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:17:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:17:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:17:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:17:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:17:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:17:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:17:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:17:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:17:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:17:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:17:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:17:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:17:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:17:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:17:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:17:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:17:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:17:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:17:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:17:46,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:17:46,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:17:46,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:17:46,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:17:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:17:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:17:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:17:46,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:17:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:17:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:17:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:17:47,978 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:17:47,979 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:17:47,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:47 BoogieIcfgContainer [2019-10-13 23:17:47,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:17:47,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:17:47,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:17:47,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:17:47,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:17:45" (1/3) ... [2019-10-13 23:17:47,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c77dfea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:47, skipping insertion in model container [2019-10-13 23:17:47,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (2/3) ... [2019-10-13 23:17:47,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c77dfea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:47, skipping insertion in model container [2019-10-13 23:17:47,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:47" (3/3) ... [2019-10-13 23:17:47,989 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product07.cil.c [2019-10-13 23:17:48,000 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:17:48,008 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:17:48,020 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:17:48,047 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:17:48,047 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:17:48,047 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:17:48,048 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:17:48,048 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:17:48,048 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:17:48,048 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:17:48,049 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:17:48,077 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2019-10-13 23:17:48,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:17:48,086 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:48,087 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:48,090 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:48,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:48,096 INFO L82 PathProgramCache]: Analyzing trace with hash 174422449, now seen corresponding path program 1 times [2019-10-13 23:17:48,106 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:48,106 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287603353] [2019-10-13 23:17:48,107 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:48,107 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:48,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:48,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:48,432 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287603353] [2019-10-13 23:17:48,433 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:48,434 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:17:48,435 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620259268] [2019-10-13 23:17:48,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:17:48,441 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:48,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:17:48,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:17:48,462 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2019-10-13 23:17:48,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:48,512 INFO L93 Difference]: Finished difference Result 202 states and 249 transitions. [2019-10-13 23:17:48,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:17:48,514 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 23:17:48,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:48,527 INFO L225 Difference]: With dead ends: 202 [2019-10-13 23:17:48,527 INFO L226 Difference]: Without dead ends: 103 [2019-10-13 23:17:48,532 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 23:17:48,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-13 23:17:48,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-13 23:17:48,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-13 23:17:48,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2019-10-13 23:17:48,590 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 52 [2019-10-13 23:17:48,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:48,591 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2019-10-13 23:17:48,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:17:48,591 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2019-10-13 23:17:48,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:17:48,595 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:48,595 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:48,595 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:48,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:48,596 INFO L82 PathProgramCache]: Analyzing trace with hash 486234298, now seen corresponding path program 1 times [2019-10-13 23:17:48,596 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:48,596 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755255349] [2019-10-13 23:17:48,597 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:48,597 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:48,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:48,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:48,721 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755255349] [2019-10-13 23:17:48,721 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:48,721 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:17:48,722 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581272558] [2019-10-13 23:17:48,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:17:48,724 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:48,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:17:48,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:17:48,749 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand 3 states. [2019-10-13 23:17:48,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:48,772 INFO L93 Difference]: Finished difference Result 153 states and 177 transitions. [2019-10-13 23:17:48,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:17:48,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 23:17:48,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:48,777 INFO L225 Difference]: With dead ends: 153 [2019-10-13 23:17:48,777 INFO L226 Difference]: Without dead ends: 95 [2019-10-13 23:17:48,779 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 23:17:48,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-13 23:17:48,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-10-13 23:17:48,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-10-13 23:17:48,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2019-10-13 23:17:48,795 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 53 [2019-10-13 23:17:48,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:48,795 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2019-10-13 23:17:48,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:17:48,796 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2019-10-13 23:17:48,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 23:17:48,798 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:48,798 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:48,798 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:48,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:48,799 INFO L82 PathProgramCache]: Analyzing trace with hash -2104101198, now seen corresponding path program 1 times [2019-10-13 23:17:48,799 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:48,799 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094054696] [2019-10-13 23:17:48,799 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:48,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:48,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:49,036 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094054696] [2019-10-13 23:17:49,036 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:49,038 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:17:49,038 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322412898] [2019-10-13 23:17:49,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:17:49,040 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:49,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:17:49,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:17:49,041 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 7 states. [2019-10-13 23:17:49,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:49,470 INFO L93 Difference]: Finished difference Result 284 states and 341 transitions. [2019-10-13 23:17:49,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:17:49,471 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-13 23:17:49,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:49,475 INFO L225 Difference]: With dead ends: 284 [2019-10-13 23:17:49,475 INFO L226 Difference]: Without dead ends: 214 [2019-10-13 23:17:49,477 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 23:17:49,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-10-13 23:17:49,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 206. [2019-10-13 23:17:49,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2019-10-13 23:17:49,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 247 transitions. [2019-10-13 23:17:49,509 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 247 transitions. Word has length 56 [2019-10-13 23:17:49,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:49,509 INFO L462 AbstractCegarLoop]: Abstraction has 206 states and 247 transitions. [2019-10-13 23:17:49,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:17:49,509 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 247 transitions. [2019-10-13 23:17:49,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 23:17:49,512 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:49,512 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:49,512 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:49,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:49,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1495667408, now seen corresponding path program 1 times [2019-10-13 23:17:49,513 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:49,513 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987504017] [2019-10-13 23:17:49,514 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:49,514 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:49,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:17:49,681 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987504017] [2019-10-13 23:17:49,681 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:49,681 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:17:49,682 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243489024] [2019-10-13 23:17:49,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:17:49,683 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:49,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:17:49,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:17:49,683 INFO L87 Difference]: Start difference. First operand 206 states and 247 transitions. Second operand 7 states. [2019-10-13 23:17:50,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:50,081 INFO L93 Difference]: Finished difference Result 347 states and 433 transitions. [2019-10-13 23:17:50,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:17:50,081 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-13 23:17:50,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:50,082 INFO L225 Difference]: With dead ends: 347 [2019-10-13 23:17:50,082 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:17:50,092 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:17:50,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:17:50,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:17:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:17:50,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:17:50,093 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-10-13 23:17:50,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:50,094 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:17:50,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:17:50,094 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:17:50,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:17:50,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:17:50,825 INFO L443 ceAbstractionStarter]: For program point L629(lines 629 633) no Hoare annotation was computed. [2019-10-13 23:17:50,826 INFO L443 ceAbstractionStarter]: For program point L623-2(lines 623 644) no Hoare annotation was computed. [2019-10-13 23:17:50,826 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 598 653) no Hoare annotation was computed. [2019-10-13 23:17:50,826 INFO L443 ceAbstractionStarter]: For program point L645(lines 622 646) no Hoare annotation was computed. [2019-10-13 23:17:50,826 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 598 653) no Hoare annotation was computed. [2019-10-13 23:17:50,826 INFO L443 ceAbstractionStarter]: For program point L699(line 699) no Hoare annotation was computed. [2019-10-13 23:17:50,827 INFO L443 ceAbstractionStarter]: For program point L699-1(line 699) no Hoare annotation was computed. [2019-10-13 23:17:50,827 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 654 713) no Hoare annotation was computed. [2019-10-13 23:17:50,827 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 654 713) no Hoare annotation was computed. [2019-10-13 23:17:50,827 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 690) no Hoare annotation was computed. [2019-10-13 23:17:50,827 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 654 713) no Hoare annotation was computed. [2019-10-13 23:17:50,827 INFO L443 ceAbstractionStarter]: For program point L680-2(lines 680 705) no Hoare annotation was computed. [2019-10-13 23:17:50,828 INFO L443 ceAbstractionStarter]: For program point L706(lines 679 707) no Hoare annotation was computed. [2019-10-13 23:17:50,828 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 529 535) the Hoare annotation is: true [2019-10-13 23:17:50,828 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 529 535) no Hoare annotation was computed. [2019-10-13 23:17:50,828 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 536 544) no Hoare annotation was computed. [2019-10-13 23:17:50,828 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 536 544) the Hoare annotation is: true [2019-10-13 23:17:50,829 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 233 240) the Hoare annotation is: true [2019-10-13 23:17:50,829 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 233 240) no Hoare annotation was computed. [2019-10-13 23:17:50,829 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 241 250) the Hoare annotation is: true [2019-10-13 23:17:50,829 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 241 250) no Hoare annotation was computed. [2019-10-13 23:17:50,829 INFO L443 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2019-10-13 23:17:50,829 INFO L446 ceAbstractionStarter]: At program point L257(line 257) the Hoare annotation is: true [2019-10-13 23:17:50,829 INFO L443 ceAbstractionStarter]: For program point L257-1(line 257) no Hoare annotation was computed. [2019-10-13 23:17:50,830 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 251 279) the Hoare annotation is: true [2019-10-13 23:17:50,830 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 251 279) no Hoare annotation was computed. [2019-10-13 23:17:50,830 INFO L439 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:17:50,830 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 270) no Hoare annotation was computed. [2019-10-13 23:17:50,830 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 273) no Hoare annotation was computed. [2019-10-13 23:17:50,830 INFO L446 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: true [2019-10-13 23:17:50,831 INFO L443 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2019-10-13 23:17:50,831 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 276) no Hoare annotation was computed. [2019-10-13 23:17:50,831 INFO L443 ceAbstractionStarter]: For program point L259-1(lines 251 279) no Hoare annotation was computed. [2019-10-13 23:17:50,831 INFO L439 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,831 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,831 INFO L439 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,832 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,832 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2019-10-13 23:17:50,832 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:50,832 INFO L439 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:50,832 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-10-13 23:17:50,833 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2019-10-13 23:17:50,833 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-13 23:17:50,833 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:17:50,833 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-13 23:17:50,833 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:17:50,833 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 23:17:50,833 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:17:50,834 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 23:17:50,834 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-13 23:17:50,834 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-13 23:17:50,834 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 23:17:50,834 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-13 23:17:50,834 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-13 23:17:50,834 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 23:17:50,834 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-13 23:17:50,835 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-13 23:17:50,835 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 23:17:50,835 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-13 23:17:50,835 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-13 23:17:50,835 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 486 500) no Hoare annotation was computed. [2019-10-13 23:17:50,835 INFO L439 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:17:50,835 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2019-10-13 23:17:50,836 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 486 500) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))))) [2019-10-13 23:17:50,836 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 441 449) no Hoare annotation was computed. [2019-10-13 23:17:50,836 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 441 449) the Hoare annotation is: true [2019-10-13 23:17:50,836 INFO L443 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2019-10-13 23:17:50,836 INFO L443 ceAbstractionStarter]: For program point L480-1(line 480) no Hoare annotation was computed. [2019-10-13 23:17:50,836 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 450 485) no Hoare annotation was computed. [2019-10-13 23:17:50,836 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 450 485) no Hoare annotation was computed. [2019-10-13 23:17:50,837 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 522 528) no Hoare annotation was computed. [2019-10-13 23:17:50,837 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 522 528) the Hoare annotation is: true [2019-10-13 23:17:50,837 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 552 597) no Hoare annotation was computed. [2019-10-13 23:17:50,837 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 552 597) no Hoare annotation was computed. [2019-10-13 23:17:50,837 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 865 910) no Hoare annotation was computed. [2019-10-13 23:17:50,837 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 865 910) no Hoare annotation was computed. [2019-10-13 23:17:50,837 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,838 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,838 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2019-10-13 23:17:50,838 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2019-10-13 23:17:50,838 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 430 440) the Hoare annotation is: true [2019-10-13 23:17:50,838 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 430 440) no Hoare annotation was computed. [2019-10-13 23:17:50,838 INFO L446 ceAbstractionStarter]: At program point L435(line 435) the Hoare annotation is: true [2019-10-13 23:17:50,838 INFO L443 ceAbstractionStarter]: For program point L435-1(line 435) no Hoare annotation was computed. [2019-10-13 23:17:50,839 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 422 429) the Hoare annotation is: true [2019-10-13 23:17:50,839 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 422 429) no Hoare annotation was computed. [2019-10-13 23:17:50,839 INFO L439 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:17:50,839 INFO L443 ceAbstractionStarter]: For program point L408-1(lines 389 413) no Hoare annotation was computed. [2019-10-13 23:17:50,839 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 389 413) no Hoare annotation was computed. [2019-10-13 23:17:50,839 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 389 413) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:17:50,839 INFO L439 ceAbstractionStarter]: At program point L403(line 403) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:17:50,840 INFO L439 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:17:50,840 INFO L443 ceAbstractionStarter]: For program point L397(lines 397 405) no Hoare annotation was computed. [2019-10-13 23:17:50,840 INFO L439 ceAbstractionStarter]: At program point L395(line 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:17:50,840 INFO L443 ceAbstractionStarter]: For program point L395-1(line 395) no Hoare annotation was computed. [2019-10-13 23:17:50,840 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 410) no Hoare annotation was computed. [2019-10-13 23:17:50,840 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 381 387) no Hoare annotation was computed. [2019-10-13 23:17:50,840 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 381 387) the Hoare annotation is: true [2019-10-13 23:17:50,840 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 282 347) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,841 INFO L439 ceAbstractionStarter]: At program point L314(line 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,841 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 318) no Hoare annotation was computed. [2019-10-13 23:17:50,841 INFO L443 ceAbstractionStarter]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2019-10-13 23:17:50,841 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 282 347) no Hoare annotation was computed. [2019-10-13 23:17:50,841 INFO L439 ceAbstractionStarter]: At program point L337(lines 292 339) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,841 INFO L439 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,841 INFO L443 ceAbstractionStarter]: For program point L302(lines 302 308) no Hoare annotation was computed. [2019-10-13 23:17:50,842 INFO L443 ceAbstractionStarter]: For program point L302-1(lines 302 308) no Hoare annotation was computed. [2019-10-13 23:17:50,842 INFO L439 ceAbstractionStarter]: At program point L340(lines 291 341) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,842 INFO L439 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,842 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 334) no Hoare annotation was computed. [2019-10-13 23:17:50,842 INFO L439 ceAbstractionStarter]: At program point L328-1(lines 322 335) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,842 INFO L443 ceAbstractionStarter]: For program point L293(lines 292 339) no Hoare annotation was computed. [2019-10-13 23:17:50,842 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 282 347) no Hoare annotation was computed. [2019-10-13 23:17:50,843 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 335) no Hoare annotation was computed. [2019-10-13 23:17:50,843 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 819 864) no Hoare annotation was computed. [2019-10-13 23:17:50,843 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 819 864) no Hoare annotation was computed. [2019-10-13 23:17:50,843 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 197 219) no Hoare annotation was computed. [2019-10-13 23:17:50,843 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 197 219) no Hoare annotation was computed. [2019-10-13 23:17:50,843 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 512 521) no Hoare annotation was computed. [2019-10-13 23:17:50,843 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 512 521) no Hoare annotation was computed. [2019-10-13 23:17:50,844 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 716 818) no Hoare annotation was computed. [2019-10-13 23:17:50,844 INFO L443 ceAbstractionStarter]: For program point L766(lines 765 785) no Hoare annotation was computed. [2019-10-13 23:17:50,844 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-10-13 23:17:50,844 INFO L443 ceAbstractionStarter]: For program point L797-1(line 797) no Hoare annotation was computed. [2019-10-13 23:17:50,844 INFO L443 ceAbstractionStarter]: For program point L762(lines 762 803) no Hoare annotation was computed. [2019-10-13 23:17:50,844 INFO L443 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2019-10-13 23:17:50,844 INFO L443 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2019-10-13 23:17:50,845 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 716 818) no Hoare annotation was computed. [2019-10-13 23:17:50,845 INFO L443 ceAbstractionStarter]: For program point L740(lines 740 744) no Hoare annotation was computed. [2019-10-13 23:17:50,845 INFO L443 ceAbstractionStarter]: For program point L765-2(lines 765 785) no Hoare annotation was computed. [2019-10-13 23:17:50,845 INFO L443 ceAbstractionStarter]: For program point L786(lines 764 787) no Hoare annotation was computed. [2019-10-13 23:17:50,845 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 716 818) no Hoare annotation was computed. [2019-10-13 23:17:50,845 INFO L443 ceAbstractionStarter]: For program point L745(lines 745 761) no Hoare annotation was computed. [2019-10-13 23:17:50,845 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:17:50,846 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:50,846 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 414 421) no Hoare annotation was computed. [2019-10-13 23:17:50,846 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 414 421) no Hoare annotation was computed. [2019-10-13 23:17:50,846 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 220 228) the Hoare annotation is: true [2019-10-13 23:17:50,846 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 220 228) no Hoare annotation was computed. [2019-10-13 23:17:50,846 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 176 187) the Hoare annotation is: true [2019-10-13 23:17:50,846 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 176 187) no Hoare annotation was computed. [2019-10-13 23:17:50,847 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:50,847 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:17:50,847 INFO L439 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-13 23:17:50,847 INFO L439 ceAbstractionStarter]: At program point L368(lines 368 374) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:17:50,847 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 354 380) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:17:50,847 INFO L439 ceAbstractionStarter]: At program point L363(line 363) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:17:50,847 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 354 380) no Hoare annotation was computed. [2019-10-13 23:17:50,848 INFO L443 ceAbstractionStarter]: For program point L361(lines 357 379) no Hoare annotation was computed. [2019-10-13 23:17:50,848 INFO L443 ceAbstractionStarter]: For program point L359(lines 357 379) no Hoare annotation was computed. [2019-10-13 23:17:50,848 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 354 380) no Hoare annotation was computed. [2019-10-13 23:17:50,848 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-13 23:17:50,848 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-13 23:17:50,848 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-13 23:17:50,848 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-13 23:17:50,849 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-13 23:17:50,849 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-13 23:17:50,849 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-13 23:17:50,849 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-13 23:17:50,849 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-13 23:17:50,849 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 188 196) the Hoare annotation is: true [2019-10-13 23:17:50,849 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 188 196) no Hoare annotation was computed. [2019-10-13 23:17:50,850 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 152 163) the Hoare annotation is: true [2019-10-13 23:17:50,850 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 152 163) no Hoare annotation was computed. [2019-10-13 23:17:50,850 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-13 23:17:50,850 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-13 23:17:50,850 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:50,850 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-13 23:17:50,850 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:17:50,851 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:17:50,851 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 164 175) no Hoare annotation was computed. [2019-10-13 23:17:50,851 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 164 175) the Hoare annotation is: true [2019-10-13 23:17:50,851 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 502 509) the Hoare annotation is: true [2019-10-13 23:17:50,851 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2019-10-13 23:17:50,851 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 502 509) no Hoare annotation was computed. [2019-10-13 23:17:50,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:17:50 BoogieIcfgContainer [2019-10-13 23:17:50,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:17:50,869 INFO L168 Benchmark]: Toolchain (without parser) took 5371.79 ms. Allocated memory was 142.6 MB in the beginning and 280.5 MB in the end (delta: 137.9 MB). Free memory was 106.1 MB in the beginning and 233.0 MB in the end (delta: -126.8 MB). Peak memory consumption was 108.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,870 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 125.9 MB in the beginning and 125.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.53 ms. Allocated memory was 142.6 MB in the beginning and 203.4 MB in the end (delta: 60.8 MB). Free memory was 105.9 MB in the beginning and 170.6 MB in the end (delta: -64.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,872 INFO L168 Benchmark]: Boogie Preprocessor took 91.19 ms. Allocated memory is still 203.4 MB. Free memory was 170.6 MB in the beginning and 166.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,873 INFO L168 Benchmark]: RCFGBuilder took 1665.75 ms. Allocated memory was 203.4 MB in the beginning and 230.7 MB in the end (delta: 27.3 MB). Free memory was 166.2 MB in the beginning and 141.3 MB in the end (delta: 24.9 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,874 INFO L168 Benchmark]: TraceAbstraction took 2883.32 ms. Allocated memory was 230.7 MB in the beginning and 280.5 MB in the end (delta: 49.8 MB). Free memory was 141.3 MB in the beginning and 233.0 MB in the end (delta: -91.7 MB). Peak memory consumption was 55.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,880 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 125.9 MB in the beginning and 125.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 726.53 ms. Allocated memory was 142.6 MB in the beginning and 203.4 MB in the end (delta: 60.8 MB). Free memory was 105.9 MB in the beginning and 170.6 MB in the end (delta: -64.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.19 ms. Allocated memory is still 203.4 MB. Free memory was 170.6 MB in the beginning and 166.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1665.75 ms. Allocated memory was 203.4 MB in the beginning and 230.7 MB in the end (delta: 27.3 MB). Free memory was 166.2 MB in the beginning and 141.3 MB in the end (delta: 24.9 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2883.32 ms. Allocated memory was 230.7 MB in the beginning and 280.5 MB in the end (delta: 49.8 MB). Free memory was 141.3 MB in the beginning and 233.0 MB in the end (delta: -91.7 MB). Peak memory consumption was 55.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: 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: 292]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 175 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 450 SDtfs, 284 SDslu, 626 SDs, 0 SdLazy, 347 SolverSat, 110 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 267 PreInvPairs, 290 NumberOfFragments, 395 HoareAnnotationTreeSize, 267 FomulaSimplifications, 152 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 55 FomulaSimplificationsInter, 856 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 20328 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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...