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_spec2_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:16:58,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:16:58,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:16:58,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:16:58,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:16:58,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:16:58,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:16:58,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:16:58,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:16:58,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:16:58,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:16:58,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:16:58,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:16:58,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:16:58,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:16:58,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:16:58,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:16:58,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:16:58,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:16:58,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:16:58,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:16:58,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:16:58,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:16:58,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:16:58,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:16:58,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:16:58,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:16:58,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:16:58,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:16:58,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:16:58,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:16:58,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:16:58,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:16:58,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:16:58,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:16:58,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:16:58,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:16:58,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:16:58,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:16:58,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:16:58,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:16:58,283 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 15:16:58,310 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:16:58,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:16:58,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:16:58,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:16:58,312 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:16:58,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:16:58,312 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:16:58,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:16:58,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:16:58,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:16:58,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:16:58,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:16:58,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:16:58,315 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:16:58,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:16:58,315 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:16:58,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:16:58,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:16:58,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:16:58,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:16:58,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:16:58,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:16:58,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:16:58,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:16:58,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:16:58,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:16:58,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:16:58,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:16:58,318 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 15:16:58,607 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:16:58,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:16:58,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:16:58,622 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:16:58,622 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:16:58,623 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2019-10-07 15:16:58,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b550c6277/6ed283bd70ae4cc8b063bb9f7da95884/FLAG276a034b3 [2019-10-07 15:16:59,164 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:16:59,165 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2019-10-07 15:16:59,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b550c6277/6ed283bd70ae4cc8b063bb9f7da95884/FLAG276a034b3 [2019-10-07 15:16:59,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b550c6277/6ed283bd70ae4cc8b063bb9f7da95884 [2019-10-07 15:16:59,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:16:59,527 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:16:59,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:16:59,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:16:59,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:16:59,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:59" (1/1) ... [2019-10-07 15:16:59,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e9ca86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:59, skipping insertion in model container [2019-10-07 15:16:59,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:59" (1/1) ... [2019-10-07 15:16:59,544 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:16:59,609 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:17:00,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:00,143 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:17:00,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:00,267 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:17:00,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:00 WrapperNode [2019-10-07 15:17:00,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:00,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:17:00,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:17:00,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:17:00,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:00" (1/1) ... [2019-10-07 15:17:00,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:00" (1/1) ... [2019-10-07 15:17:00,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:00" (1/1) ... [2019-10-07 15:17:00,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:00" (1/1) ... [2019-10-07 15:17:00,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:00" (1/1) ... [2019-10-07 15:17:00,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:00" (1/1) ... [2019-10-07 15:17:00,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:00" (1/1) ... [2019-10-07 15:17:00,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:17:00,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:17:00,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:17:00,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:17:00,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:00" (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 15:17:00,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:17:00,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:17:00,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:00,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:17:00,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:00,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:00,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:17:00,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:17:00,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:17:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:17:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:17:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:17:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:17:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:17:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:17:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:17:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:17:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:17:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:17:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:17:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:17:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:17:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:17:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:17:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:17:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:17:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:17:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:17:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:17:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:17:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:17:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:17:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:17:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:17:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:17:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:17:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:17:00,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:17:00,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:17:00,451 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:17:00,451 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:17:00,451 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:17:00,451 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:17:00,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:00,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:00,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:17:00,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:17:00,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:17:00,452 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:17:00,453 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:17:00,453 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:17:00,453 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:17:00,453 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:17:00,453 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:17:00,453 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:17:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:17:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:17:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:17:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:17:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:17:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:17:00,455 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:17:00,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:17:00,455 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:17:00,455 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:17:00,455 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:17:00,455 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:17:00,456 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:17:00,456 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:17:00,456 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:17:00,456 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:17:00,456 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:17:00,456 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:17:00,457 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:17:00,457 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:17:00,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:00,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:17:00,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:17:00,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:17:00,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:17:00,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:00,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:17:00,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:00,458 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:00,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:17:00,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:17:00,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:17:00,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:17:00,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:17:00,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:17:00,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:17:02,212 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:17:02,213 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:17:02,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:02 BoogieIcfgContainer [2019-10-07 15:17:02,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:17:02,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:17:02,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:17:02,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:17:02,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:16:59" (1/3) ... [2019-10-07 15:17:02,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58bad560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:02, skipping insertion in model container [2019-10-07 15:17:02,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:00" (2/3) ... [2019-10-07 15:17:02,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58bad560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:02, skipping insertion in model container [2019-10-07 15:17:02,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:02" (3/3) ... [2019-10-07 15:17:02,226 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2019-10-07 15:17:02,237 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:17:02,249 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:17:02,260 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:17:02,300 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:17:02,300 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:17:02,301 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:17:02,301 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:17:02,303 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:17:02,303 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:17:02,304 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:17:02,304 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:17:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2019-10-07 15:17:02,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:17:02,336 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:02,337 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] [2019-10-07 15:17:02,340 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:02,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:02,350 INFO L82 PathProgramCache]: Analyzing trace with hash -2018927942, now seen corresponding path program 1 times [2019-10-07 15:17:02,359 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:02,360 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:02,360 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:02,360 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:02,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:02,777 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 15:17:02,778 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:02,779 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:02,782 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:17:02,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:17:02,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:17:02,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:17:02,805 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2019-10-07 15:17:02,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:02,867 INFO L93 Difference]: Finished difference Result 220 states and 267 transitions. [2019-10-07 15:17:02,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:17:02,869 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:17:02,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:02,880 INFO L225 Difference]: With dead ends: 220 [2019-10-07 15:17:02,880 INFO L226 Difference]: Without dead ends: 112 [2019-10-07 15:17:02,885 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 15:17:02,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-10-07 15:17:02,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-10-07 15:17:02,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-10-07 15:17:02,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2019-10-07 15:17:02,934 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 46 [2019-10-07 15:17:02,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:02,935 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2019-10-07 15:17:02,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:17:02,935 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2019-10-07 15:17:02,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:17:02,939 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:02,939 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 15:17:02,939 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:02,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:02,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1008968679, now seen corresponding path program 1 times [2019-10-07 15:17:02,940 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:02,940 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:02,940 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:02,941 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:02,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:03,125 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 15:17:03,126 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:03,126 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:03,126 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:03,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:03,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:03,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:03,130 INFO L87 Difference]: Start difference. First operand 112 states and 129 transitions. Second operand 7 states. [2019-10-07 15:17:03,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:03,589 INFO L93 Difference]: Finished difference Result 199 states and 236 transitions. [2019-10-07 15:17:03,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:17:03,590 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-10-07 15:17:03,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:03,592 INFO L225 Difference]: With dead ends: 199 [2019-10-07 15:17:03,592 INFO L226 Difference]: Without dead ends: 112 [2019-10-07 15:17:03,594 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 15:17:03,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-10-07 15:17:03,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-10-07 15:17:03,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-10-07 15:17:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 128 transitions. [2019-10-07 15:17:03,611 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 128 transitions. Word has length 47 [2019-10-07 15:17:03,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:03,611 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 128 transitions. [2019-10-07 15:17:03,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:03,612 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 128 transitions. [2019-10-07 15:17:03,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-07 15:17:03,618 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:03,618 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:03,618 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:03,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:03,619 INFO L82 PathProgramCache]: Analyzing trace with hash 2023443814, now seen corresponding path program 1 times [2019-10-07 15:17:03,619 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:03,619 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:03,622 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:03,622 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:03,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:03,850 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 15:17:03,851 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:03,851 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:03,851 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:17:03,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:17:03,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:17:03,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:17:03,856 INFO L87 Difference]: Start difference. First operand 112 states and 128 transitions. Second operand 5 states. [2019-10-07 15:17:04,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:04,446 INFO L93 Difference]: Finished difference Result 317 states and 406 transitions. [2019-10-07 15:17:04,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:17:04,447 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2019-10-07 15:17:04,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:04,450 INFO L225 Difference]: With dead ends: 317 [2019-10-07 15:17:04,451 INFO L226 Difference]: Without dead ends: 230 [2019-10-07 15:17:04,452 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:17:04,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-10-07 15:17:04,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 199. [2019-10-07 15:17:04,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-10-07 15:17:04,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 236 transitions. [2019-10-07 15:17:04,483 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 236 transitions. Word has length 63 [2019-10-07 15:17:04,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:04,483 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 236 transitions. [2019-10-07 15:17:04,484 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:17:04,484 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 236 transitions. [2019-10-07 15:17:04,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-07 15:17:04,486 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:04,486 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:04,486 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:04,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:04,487 INFO L82 PathProgramCache]: Analyzing trace with hash 955009479, now seen corresponding path program 1 times [2019-10-07 15:17:04,487 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:04,487 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:04,487 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:04,487 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:04,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:04,597 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 15:17:04,597 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:04,597 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:04,598 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:17:04,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:17:04,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:17:04,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:17:04,599 INFO L87 Difference]: Start difference. First operand 199 states and 236 transitions. Second operand 6 states. [2019-10-07 15:17:04,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:04,870 INFO L93 Difference]: Finished difference Result 530 states and 663 transitions. [2019-10-07 15:17:04,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:17:04,871 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2019-10-07 15:17:04,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:04,876 INFO L225 Difference]: With dead ends: 530 [2019-10-07 15:17:04,876 INFO L226 Difference]: Without dead ends: 334 [2019-10-07 15:17:04,877 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:17:04,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-10-07 15:17:04,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 324. [2019-10-07 15:17:04,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2019-10-07 15:17:04,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 374 transitions. [2019-10-07 15:17:04,916 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 374 transitions. Word has length 69 [2019-10-07 15:17:04,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:04,916 INFO L462 AbstractCegarLoop]: Abstraction has 324 states and 374 transitions. [2019-10-07 15:17:04,916 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:17:04,917 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 374 transitions. [2019-10-07 15:17:04,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-07 15:17:04,919 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:04,919 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:04,919 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:04,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:04,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1157443634, now seen corresponding path program 1 times [2019-10-07 15:17:04,920 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:04,920 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:04,921 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:04,921 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:04,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:05,048 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 15:17:05,049 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:05,049 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:05,050 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:17:05,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:05,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:05,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:05,052 INFO L87 Difference]: Start difference. First operand 324 states and 374 transitions. Second operand 3 states. [2019-10-07 15:17:05,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:05,105 INFO L93 Difference]: Finished difference Result 498 states and 633 transitions. [2019-10-07 15:17:05,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:05,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-10-07 15:17:05,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:05,113 INFO L225 Difference]: With dead ends: 498 [2019-10-07 15:17:05,113 INFO L226 Difference]: Without dead ends: 495 [2019-10-07 15:17:05,114 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 15:17:05,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2019-10-07 15:17:05,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 495. [2019-10-07 15:17:05,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2019-10-07 15:17:05,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 628 transitions. [2019-10-07 15:17:05,185 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 628 transitions. Word has length 75 [2019-10-07 15:17:05,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:05,185 INFO L462 AbstractCegarLoop]: Abstraction has 495 states and 628 transitions. [2019-10-07 15:17:05,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:05,186 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 628 transitions. [2019-10-07 15:17:05,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-10-07 15:17:05,194 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:05,195 INFO L385 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:05,195 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:05,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:05,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1192653867, now seen corresponding path program 1 times [2019-10-07 15:17:05,196 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:05,196 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:05,196 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:05,196 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:05,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:05,292 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 15:17:05,293 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:05,294 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:05,294 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:17:05,294 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:05,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:05,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:05,295 INFO L87 Difference]: Start difference. First operand 495 states and 628 transitions. Second operand 3 states. [2019-10-07 15:17:05,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:05,326 INFO L93 Difference]: Finished difference Result 728 states and 885 transitions. [2019-10-07 15:17:05,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:05,327 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2019-10-07 15:17:05,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:05,332 INFO L225 Difference]: With dead ends: 728 [2019-10-07 15:17:05,333 INFO L226 Difference]: Without dead ends: 451 [2019-10-07 15:17:05,334 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 15:17:05,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2019-10-07 15:17:05,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2019-10-07 15:17:05,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-10-07 15:17:05,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 524 transitions. [2019-10-07 15:17:05,372 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 524 transitions. Word has length 119 [2019-10-07 15:17:05,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:05,373 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 524 transitions. [2019-10-07 15:17:05,373 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:05,373 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 524 transitions. [2019-10-07 15:17:05,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-10-07 15:17:05,376 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:05,376 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:05,376 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:05,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:05,377 INFO L82 PathProgramCache]: Analyzing trace with hash 914530605, now seen corresponding path program 1 times [2019-10-07 15:17:05,377 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:05,377 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:05,377 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:05,378 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:05,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:05,544 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-07 15:17:05,544 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:05,544 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:05,544 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 15:17:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:05,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-07 15:17:05,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:05,837 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:17:05,838 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:06,194 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:17:06,195 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:06,195 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 7] total 15 [2019-10-07 15:17:06,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:17:06,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:17:06,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:06,199 INFO L87 Difference]: Start difference. First operand 451 states and 524 transitions. Second operand 6 states. [2019-10-07 15:17:06,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:06,568 INFO L93 Difference]: Finished difference Result 728 states and 859 transitions. [2019-10-07 15:17:06,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:17:06,569 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2019-10-07 15:17:06,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:06,573 INFO L225 Difference]: With dead ends: 728 [2019-10-07 15:17:06,573 INFO L226 Difference]: Without dead ends: 427 [2019-10-07 15:17:06,575 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:06,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2019-10-07 15:17:06,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 412. [2019-10-07 15:17:06,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2019-10-07 15:17:06,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 466 transitions. [2019-10-07 15:17:06,603 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 466 transitions. Word has length 124 [2019-10-07 15:17:06,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:06,603 INFO L462 AbstractCegarLoop]: Abstraction has 412 states and 466 transitions. [2019-10-07 15:17:06,603 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:17:06,603 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 466 transitions. [2019-10-07 15:17:06,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-10-07 15:17:06,606 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:06,606 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:06,813 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:06,813 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:06,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:06,814 INFO L82 PathProgramCache]: Analyzing trace with hash 390159917, now seen corresponding path program 1 times [2019-10-07 15:17:06,814 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:06,814 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:06,814 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:06,814 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:06,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 15:17:06,906 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:06,906 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:06,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:07,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 15:17:07,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:07,174 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:07,174 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:07,370 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 15:17:07,370 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:07,371 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2019-10-07 15:17:07,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:07,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:07,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:17:07,372 INFO L87 Difference]: Start difference. First operand 412 states and 466 transitions. Second operand 3 states. [2019-10-07 15:17:07,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:07,470 INFO L93 Difference]: Finished difference Result 756 states and 858 transitions. [2019-10-07 15:17:07,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:07,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2019-10-07 15:17:07,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:07,475 INFO L225 Difference]: With dead ends: 756 [2019-10-07 15:17:07,476 INFO L226 Difference]: Without dead ends: 369 [2019-10-07 15:17:07,477 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 248 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:17:07,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-10-07 15:17:07,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2019-10-07 15:17:07,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2019-10-07 15:17:07,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 406 transitions. [2019-10-07 15:17:07,499 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 406 transitions. Word has length 124 [2019-10-07 15:17:07,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:07,500 INFO L462 AbstractCegarLoop]: Abstraction has 369 states and 406 transitions. [2019-10-07 15:17:07,500 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:07,500 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 406 transitions. [2019-10-07 15:17:07,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-07 15:17:07,502 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:07,503 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:07,710 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:07,710 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:07,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:07,711 INFO L82 PathProgramCache]: Analyzing trace with hash 604162003, now seen corresponding path program 1 times [2019-10-07 15:17:07,711 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:07,711 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:07,711 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:07,711 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:07,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:08,020 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 15:17:08,020 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:08,022 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:08,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:08,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:17:08,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:08,489 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:17:08,489 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:08,977 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-07 15:17:08,978 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:08,978 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 29 [2019-10-07 15:17:08,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:17:08,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:17:08,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:17:08,980 INFO L87 Difference]: Start difference. First operand 369 states and 406 transitions. Second operand 11 states. [2019-10-07 15:17:09,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:09,524 INFO L93 Difference]: Finished difference Result 727 states and 818 transitions. [2019-10-07 15:17:09,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:17:09,524 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 127 [2019-10-07 15:17:09,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:09,525 INFO L225 Difference]: With dead ends: 727 [2019-10-07 15:17:09,525 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:17:09,527 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 246 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=145, Invalid=1045, Unknown=0, NotChecked=0, Total=1190 [2019-10-07 15:17:09,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:17:09,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:17:09,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:17:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:17:09,528 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 127 [2019-10-07 15:17:09,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:09,529 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:17:09,529 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:17:09,529 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:17:09,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:17:09,733 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:09,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:17:10,220 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2019-10-07 15:17:10,433 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 23 [2019-10-07 15:17:11,007 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2019-10-07 15:17:11,779 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-10-07 15:17:12,445 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2019-10-07 15:17:12,481 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 671) no Hoare annotation was computed. [2019-10-07 15:17:12,481 INFO L443 ceAbstractionStarter]: For program point L661-2(lines 661 682) no Hoare annotation was computed. [2019-10-07 15:17:12,481 INFO L443 ceAbstractionStarter]: For program point L683(lines 660 684) no Hoare annotation was computed. [2019-10-07 15:17:12,482 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 636 691) no Hoare annotation was computed. [2019-10-07 15:17:12,482 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 636 691) no Hoare annotation was computed. [2019-10-07 15:17:12,482 INFO L443 ceAbstractionStarter]: For program point L737(line 737) no Hoare annotation was computed. [2019-10-07 15:17:12,482 INFO L443 ceAbstractionStarter]: For program point L737-1(line 737) no Hoare annotation was computed. [2019-10-07 15:17:12,482 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 692 751) no Hoare annotation was computed. [2019-10-07 15:17:12,482 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 728) no Hoare annotation was computed. [2019-10-07 15:17:12,482 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 692 751) no Hoare annotation was computed. [2019-10-07 15:17:12,482 INFO L443 ceAbstractionStarter]: For program point L718-2(lines 718 743) no Hoare annotation was computed. [2019-10-07 15:17:12,482 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 692 751) no Hoare annotation was computed. [2019-10-07 15:17:12,482 INFO L443 ceAbstractionStarter]: For program point L744(lines 717 745) no Hoare annotation was computed. [2019-10-07 15:17:12,483 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 111 117) the Hoare annotation is: true [2019-10-07 15:17:12,483 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 111 117) no Hoare annotation was computed. [2019-10-07 15:17:12,483 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 118 126) no Hoare annotation was computed. [2019-10-07 15:17:12,483 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 118 126) the Hoare annotation is: true [2019-10-07 15:17:12,483 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 465 487) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:12,483 INFO L439 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:12,483 INFO L439 ceAbstractionStarter]: At program point L477-1(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:12,484 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 482) no Hoare annotation was computed. [2019-10-07 15:17:12,484 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 475 482) no Hoare annotation was computed. [2019-10-07 15:17:12,484 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-07 15:17:12,484 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 465 487) no Hoare annotation was computed. [2019-10-07 15:17:12,484 INFO L439 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:12,484 INFO L439 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:12,485 INFO L439 ceAbstractionStarter]: At program point L471-1(line 471) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:12,485 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 423 446) no Hoare annotation was computed. [2019-10-07 15:17:12,485 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 423 446) no Hoare annotation was computed. [2019-10-07 15:17:12,485 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 423 446) no Hoare annotation was computed. [2019-10-07 15:17:12,485 INFO L443 ceAbstractionStarter]: For program point L441(line 441) no Hoare annotation was computed. [2019-10-07 15:17:12,485 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-07 15:17:12,485 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-07 15:17:12,485 INFO L443 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2019-10-07 15:17:12,485 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-07 15:17:12,485 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-07 15:17:12,486 INFO L443 ceAbstractionStarter]: For program point L435(line 435) no Hoare annotation was computed. [2019-10-07 15:17:12,486 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-07 15:17:12,486 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-07 15:17:12,486 INFO L443 ceAbstractionStarter]: For program point L432(line 432) no Hoare annotation was computed. [2019-10-07 15:17:12,486 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-07 15:17:12,486 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-07 15:17:12,486 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-10-07 15:17:12,486 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-07 15:17:12,486 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 249 257) no Hoare annotation was computed. [2019-10-07 15:17:12,486 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 249 257) the Hoare annotation is: true [2019-10-07 15:17:12,487 INFO L443 ceAbstractionStarter]: For program point L288(line 288) no Hoare annotation was computed. [2019-10-07 15:17:12,487 INFO L443 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2019-10-07 15:17:12,487 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 258 293) no Hoare annotation was computed. [2019-10-07 15:17:12,487 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 258 293) no Hoare annotation was computed. [2019-10-07 15:17:12,487 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 104 110) no Hoare annotation was computed. [2019-10-07 15:17:12,487 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 104 110) the Hoare annotation is: true [2019-10-07 15:17:12,487 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 590 635) no Hoare annotation was computed. [2019-10-07 15:17:12,487 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 590 635) no Hoare annotation was computed. [2019-10-07 15:17:12,488 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 903 948) no Hoare annotation was computed. [2019-10-07 15:17:12,488 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 903 948) no Hoare annotation was computed. [2019-10-07 15:17:12,488 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 454 464) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:12,488 INFO L439 ceAbstractionStarter]: At program point L459(line 459) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:12,488 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 454 464) no Hoare annotation was computed. [2019-10-07 15:17:12,488 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 454 464) no Hoare annotation was computed. [2019-10-07 15:17:12,488 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 238 248) the Hoare annotation is: true [2019-10-07 15:17:12,488 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 238 248) no Hoare annotation was computed. [2019-10-07 15:17:12,488 INFO L446 ceAbstractionStarter]: At program point L243(line 243) the Hoare annotation is: true [2019-10-07 15:17:12,488 INFO L443 ceAbstractionStarter]: For program point L243-1(line 243) no Hoare annotation was computed. [2019-10-07 15:17:12,489 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 230 237) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:17:12,489 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2019-10-07 15:17:12,489 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 569 582) no Hoare annotation was computed. [2019-10-07 15:17:12,489 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 569 582) the Hoare annotation is: true [2019-10-07 15:17:12,489 INFO L439 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:17:12,489 INFO L443 ceAbstractionStarter]: For program point L216-1(lines 197 221) no Hoare annotation was computed. [2019-10-07 15:17:12,489 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 197 221) no Hoare annotation was computed. [2019-10-07 15:17:12,489 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 197 221) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:12,489 INFO L439 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2019-10-07 15:17:12,490 INFO L439 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse2 .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2019-10-07 15:17:12,490 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 213) no Hoare annotation was computed. [2019-10-07 15:17:12,490 INFO L439 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:12,490 INFO L443 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2019-10-07 15:17:12,490 INFO L443 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2019-10-07 15:17:12,490 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 163 169) no Hoare annotation was computed. [2019-10-07 15:17:12,490 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 163 169) the Hoare annotation is: true [2019-10-07 15:17:12,490 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 325 390) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:12,490 INFO L439 ceAbstractionStarter]: At program point L380(lines 335 382) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= test_~splverifierCounter~0 3))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:12,490 INFO L439 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= test_~splverifierCounter~0 3))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:12,491 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 351) no Hoare annotation was computed. [2019-10-07 15:17:12,491 INFO L443 ceAbstractionStarter]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2019-10-07 15:17:12,491 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 325 390) no Hoare annotation was computed. [2019-10-07 15:17:12,491 INFO L439 ceAbstractionStarter]: At program point L383(lines 334 384) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:12,491 INFO L439 ceAbstractionStarter]: At program point L373-2(lines 365 378) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= test_~splverifierCounter~0 3))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:12,491 INFO L443 ceAbstractionStarter]: For program point L336(lines 335 382) no Hoare annotation was computed. [2019-10-07 15:17:12,491 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= test_~splverifierCounter~0 3))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:12,492 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 378) no Hoare annotation was computed. [2019-10-07 15:17:12,492 INFO L439 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= test_~splverifierCounter~0 3))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:12,492 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 361) no Hoare annotation was computed. [2019-10-07 15:17:12,492 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 325 390) no Hoare annotation was computed. [2019-10-07 15:17:12,492 INFO L443 ceAbstractionStarter]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2019-10-07 15:17:12,492 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 857 902) no Hoare annotation was computed. [2019-10-07 15:17:12,492 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 857 902) no Hoare annotation was computed. [2019-10-07 15:17:12,492 INFO L443 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2019-10-07 15:17:12,493 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 60 88) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2))) [2019-10-07 15:17:12,493 INFO L439 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:12,493 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2019-10-07 15:17:12,493 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 82) no Hoare annotation was computed. [2019-10-07 15:17:12,493 INFO L439 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or .cse3 (= 0 ~methAndRunningLastTime~0) .cse0 .cse1))) [2019-10-07 15:17:12,493 INFO L443 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2019-10-07 15:17:12,493 INFO L443 ceAbstractionStarter]: For program point L68(lines 68 85) no Hoare annotation was computed. [2019-10-07 15:17:12,494 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 60 88) no Hoare annotation was computed. [2019-10-07 15:17:12,494 INFO L443 ceAbstractionStarter]: For program point L68-1(lines 60 88) no Hoare annotation was computed. [2019-10-07 15:17:12,494 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2))) [2019-10-07 15:17:12,494 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 52 59) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:17:12,494 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 52 59) no Hoare annotation was computed. [2019-10-07 15:17:12,494 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 537 559) no Hoare annotation was computed. [2019-10-07 15:17:12,494 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 537 559) no Hoare annotation was computed. [2019-10-07 15:17:12,494 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 94 103) no Hoare annotation was computed. [2019-10-07 15:17:12,494 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 94 103) no Hoare annotation was computed. [2019-10-07 15:17:12,494 INFO L443 ceAbstractionStarter]: For program point L803-2(lines 803 823) no Hoare annotation was computed. [2019-10-07 15:17:12,494 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 754 856) no Hoare annotation was computed. [2019-10-07 15:17:12,495 INFO L443 ceAbstractionStarter]: For program point L824(lines 802 825) no Hoare annotation was computed. [2019-10-07 15:17:12,495 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 799) no Hoare annotation was computed. [2019-10-07 15:17:12,495 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 754 856) no Hoare annotation was computed. [2019-10-07 15:17:12,495 INFO L443 ceAbstractionStarter]: For program point L804(lines 803 823) no Hoare annotation was computed. [2019-10-07 15:17:12,495 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-10-07 15:17:12,495 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-10-07 15:17:12,495 INFO L443 ceAbstractionStarter]: For program point L800(lines 800 841) no Hoare annotation was computed. [2019-10-07 15:17:12,495 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-07 15:17:12,495 INFO L443 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2019-10-07 15:17:12,495 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 754 856) no Hoare annotation was computed. [2019-10-07 15:17:12,495 INFO L443 ceAbstractionStarter]: For program point L778(lines 778 782) no Hoare annotation was computed. [2019-10-07 15:17:12,495 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:17:12,495 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:12,495 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 222 229) no Hoare annotation was computed. [2019-10-07 15:17:12,496 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 222 229) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:12,496 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 294 312) no Hoare annotation was computed. [2019-10-07 15:17:12,496 INFO L446 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: true [2019-10-07 15:17:12,496 INFO L443 ceAbstractionStarter]: For program point L301-1(line 301) no Hoare annotation was computed. [2019-10-07 15:17:12,496 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 294 312) the Hoare annotation is: true [2019-10-07 15:17:12,496 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 560 568) no Hoare annotation was computed. [2019-10-07 15:17:12,496 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 560 568) no Hoare annotation was computed. [2019-10-07 15:17:12,496 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2 .cse3) (or (or (not (= 0 ~pumpRunning~0)) .cse0) .cse1 .cse2 .cse3))) [2019-10-07 15:17:12,496 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2019-10-07 15:17:12,496 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:12,496 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:17:12,496 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2019-10-07 15:17:12,497 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2019-10-07 15:17:12,497 INFO L439 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse7 (= 0 |old(~pumpRunning~0)|))) (let ((.cse8 (not .cse7)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (= 1 ~systemActive~0) .cse8 (= 0 ~methaneLevelCritical~0) .cse4))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4) (or .cse2 .cse5 .cse6 .cse7) (or .cse8 (and .cse9 .cse1) .cse2 .cse3) (or .cse9 .cse2 .cse5 .cse6))))) [2019-10-07 15:17:12,497 INFO L439 ceAbstractionStarter]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse8 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not .cse8)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (<= 1 ~pumpRunning~0) .cse0) .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse5 (= 0 ~methaneLevelCritical~0) .cse2) (or (and .cse7 .cse0) .cse6 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse4 .cse7 .cse8)))) [2019-10-07 15:17:12,497 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse1 .cse2) (or .cse1 (not (= ~methaneLevelCritical~0 0)) (and .cse4 .cse3)))) [2019-10-07 15:17:12,497 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 139 162) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) .cse3) .cse2 .cse4) (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-10-07 15:17:12,497 INFO L443 ceAbstractionStarter]: For program point L143(lines 142 161) no Hoare annotation was computed. [2019-10-07 15:17:12,497 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed. [2019-10-07 15:17:12,497 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed. [2019-10-07 15:17:12,497 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 393 422) no Hoare annotation was computed. [2019-10-07 15:17:12,498 INFO L443 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2019-10-07 15:17:12,498 INFO L439 ceAbstractionStarter]: At program point cleanupENTRY(lines 393 422) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:17:12,498 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 411) no Hoare annotation was computed. [2019-10-07 15:17:12,498 INFO L446 ceAbstractionStarter]: At program point L407-1(lines 407 411) the Hoare annotation is: true [2019-10-07 15:17:12,498 INFO L446 ceAbstractionStarter]: At program point L403-2(lines 403 417) the Hoare annotation is: true [2019-10-07 15:17:12,498 INFO L439 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:17:12,498 INFO L443 ceAbstractionStarter]: For program point L399-1(line 399) no Hoare annotation was computed. [2019-10-07 15:17:12,498 INFO L446 ceAbstractionStarter]: At program point L418(lines 393 422) the Hoare annotation is: true [2019-10-07 15:17:12,498 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: true [2019-10-07 15:17:12,499 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2019-10-07 15:17:12,499 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 447 453) no Hoare annotation was computed. [2019-10-07 15:17:12,499 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 447 453) the Hoare annotation is: true [2019-10-07 15:17:12,499 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:12,499 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-07 15:17:12,499 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:17:12,499 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:17:12,499 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 313 320) no Hoare annotation was computed. [2019-10-07 15:17:12,500 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 313 320) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-07 15:17:12,500 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 171 195) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:12,500 INFO L439 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:12,500 INFO L443 ceAbstractionStarter]: For program point L190-1(lines 171 195) no Hoare annotation was computed. [2019-10-07 15:17:12,500 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 171 195) no Hoare annotation was computed. [2019-10-07 15:17:12,500 INFO L439 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-07 15:17:12,501 INFO L439 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-07 15:17:12,501 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 187) no Hoare annotation was computed. [2019-10-07 15:17:12,501 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-07 15:17:12,501 INFO L443 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-10-07 15:17:12,501 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 192) no Hoare annotation was computed. [2019-10-07 15:17:12,501 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2019-10-07 15:17:12,501 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: true [2019-10-07 15:17:12,501 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-07 15:17:12,502 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-07 15:17:12,502 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-07 15:17:12,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:17:12 BoogieIcfgContainer [2019-10-07 15:17:12,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:17:12,520 INFO L168 Benchmark]: Toolchain (without parser) took 12992.35 ms. Allocated memory was 143.7 MB in the beginning and 400.6 MB in the end (delta: 256.9 MB). Free memory was 100.1 MB in the beginning and 310.8 MB in the end (delta: -210.7 MB). Peak memory consumption was 277.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:12,520 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 15:17:12,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.04 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 99.9 MB in the beginning and 168.4 MB in the end (delta: -68.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:12,522 INFO L168 Benchmark]: Boogie Preprocessor took 95.74 ms. Allocated memory is still 200.8 MB. Free memory was 168.4 MB in the beginning and 164.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:12,523 INFO L168 Benchmark]: RCFGBuilder took 1851.27 ms. Allocated memory was 200.8 MB in the beginning and 230.2 MB in the end (delta: 29.4 MB). Free memory was 164.2 MB in the beginning and 148.9 MB in the end (delta: 15.3 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:12,524 INFO L168 Benchmark]: TraceAbstraction took 10300.22 ms. Allocated memory was 230.2 MB in the beginning and 400.6 MB in the end (delta: 170.4 MB). Free memory was 147.5 MB in the beginning and 310.8 MB in the end (delta: -163.3 MB). Peak memory consumption was 238.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:12,529 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 741.04 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 99.9 MB in the beginning and 168.4 MB in the end (delta: -68.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.74 ms. Allocated memory is still 200.8 MB. Free memory was 168.4 MB in the beginning and 164.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1851.27 ms. Allocated memory was 200.8 MB in the beginning and 230.2 MB in the end (delta: 29.4 MB). Free memory was 164.2 MB in the beginning and 148.9 MB in the end (delta: 15.3 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10300.22 ms. Allocated memory was 230.2 MB in the beginning and 400.6 MB in the end (delta: 170.4 MB). Free memory was 147.5 MB in the beginning and 310.8 MB in the end (delta: -163.3 MB). Peak memory consumption was 238.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && splverifierCounter <= 3) && pumpRunning == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((1 == systemActive && 1 <= pumpRunning) && splverifierCounter <= 3)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 184 locations, 1 error locations. Result: SAFE, OverallTime: 10.2s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, HoareTripleCheckerStatistics: 1256 SDtfs, 672 SDslu, 2117 SDs, 0 SdLazy, 1022 SolverSat, 186 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 851 GetRequests, 773 SyntacticMatches, 3 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=495occurred in iteration=5, 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, 9 MinimizatonAttempts, 56 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1120 PreInvPairs, 1202 NumberOfFragments, 1471 HoareAnnotationTreeSize, 1120 FomulaSimplifications, 994 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 61 FomulaSimplificationsInter, 3665 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1169 NumberOfCodeBlocks, 1169 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1529 ConstructedInterpolants, 0 QuantifiedInterpolants, 262423 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2650 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 366/404 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...