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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:50,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:50,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:50,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:50,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:50,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:50,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:50,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:50,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:50,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:50,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:50,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:50,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:50,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:50,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:50,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:50,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:50,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:50,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:50,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:50,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:50,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:50,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:50,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:50,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:50,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:50,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:50,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:50,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:50,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:50,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:50,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:50,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:50,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:50,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:50,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:50,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:50,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:50,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:50,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:50,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:50,284 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:21:50,317 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:50,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:50,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:50,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:50,321 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:50,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:50,322 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:50,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:50,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:50,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:50,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:50,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:50,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:50,325 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:50,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:50,325 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:50,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:50,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:50,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:50,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:50,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:50,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:50,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:50,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:50,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:50,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:50,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:50,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:50,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:21:50,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:50,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:50,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:50,649 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:50,650 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:50,650 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-10-13 21:21:50,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e841ebd82/845ebab7ef8b495aa3319dd181eb0b83/FLAG9fbe94466 [2019-10-13 21:21:51,307 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:51,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-10-13 21:21:51,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e841ebd82/845ebab7ef8b495aa3319dd181eb0b83/FLAG9fbe94466 [2019-10-13 21:21:51,598 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e841ebd82/845ebab7ef8b495aa3319dd181eb0b83 [2019-10-13 21:21:51,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:51,609 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:51,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:51,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:51,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:51,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a202d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51, skipping insertion in model container [2019-10-13 21:21:51,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,624 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:51,686 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:52,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:52,106 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:52,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:52,254 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:52,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:52 WrapperNode [2019-10-13 21:21:52,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:52,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:52,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:52,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:52,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:52" (1/1) ... [2019-10-13 21:21:52,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:52" (1/1) ... [2019-10-13 21:21:52,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:52" (1/1) ... [2019-10-13 21:21:52,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:52" (1/1) ... [2019-10-13 21:21:52,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:52" (1/1) ... [2019-10-13 21:21:52,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:52" (1/1) ... [2019-10-13 21:21:52,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:52" (1/1) ... [2019-10-13 21:21:52,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:52,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:52,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:52,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:52,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:21:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:52,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:21:52,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:52,432 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:52,432 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:52,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:52,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:21:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:21:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:21:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:21:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:21:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:21:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:53,582 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:53,583 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:53,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:53 BoogieIcfgContainer [2019-10-13 21:21:53,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:53,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:53,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:53,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:53,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:51" (1/3) ... [2019-10-13 21:21:53,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dccc71e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:53, skipping insertion in model container [2019-10-13 21:21:53,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:52" (2/3) ... [2019-10-13 21:21:53,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dccc71e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:53, skipping insertion in model container [2019-10-13 21:21:53,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:53" (3/3) ... [2019-10-13 21:21:53,592 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2019-10-13 21:21:53,602 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:53,610 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:53,621 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:53,646 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:53,647 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:53,647 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:53,647 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:53,647 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:53,648 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:53,648 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:53,648 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:53,669 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2019-10-13 21:21:53,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:21:53,678 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:53,679 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:53,681 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:53,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:53,687 INFO L82 PathProgramCache]: Analyzing trace with hash 144748064, now seen corresponding path program 1 times [2019-10-13 21:21:53,696 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:53,697 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310803589] [2019-10-13 21:21:53,697 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,697 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:54,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:54,017 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310803589] [2019-10-13 21:21:54,018 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:54,018 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:54,019 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788539063] [2019-10-13 21:21:54,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:54,026 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:54,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:54,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:54,042 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2019-10-13 21:21:54,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:54,090 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2019-10-13 21:21:54,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:54,094 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:21:54,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:54,115 INFO L225 Difference]: With dead ends: 252 [2019-10-13 21:21:54,116 INFO L226 Difference]: Without dead ends: 126 [2019-10-13 21:21:54,123 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:54,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-10-13 21:21:54,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2019-10-13 21:21:54,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-10-13 21:21:54,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2019-10-13 21:21:54,191 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2019-10-13 21:21:54,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:54,192 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2019-10-13 21:21:54,192 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:54,192 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2019-10-13 21:21:54,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:21:54,195 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:54,196 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:54,196 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:54,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:54,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1374578105, now seen corresponding path program 1 times [2019-10-13 21:21:54,197 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:54,197 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722427552] [2019-10-13 21:21:54,197 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:54,197 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:54,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:54,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:54,324 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722427552] [2019-10-13 21:21:54,325 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:54,325 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:54,326 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828148431] [2019-10-13 21:21:54,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:54,328 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:54,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:54,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:54,329 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2019-10-13 21:21:54,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:54,358 INFO L93 Difference]: Finished difference Result 197 states and 229 transitions. [2019-10-13 21:21:54,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:54,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:21:54,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:54,361 INFO L225 Difference]: With dead ends: 197 [2019-10-13 21:21:54,362 INFO L226 Difference]: Without dead ends: 117 [2019-10-13 21:21:54,364 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:54,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-13 21:21:54,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-10-13 21:21:54,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-13 21:21:54,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2019-10-13 21:21:54,389 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2019-10-13 21:21:54,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:54,390 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2019-10-13 21:21:54,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:54,391 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2019-10-13 21:21:54,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:54,396 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:54,397 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:54,397 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:54,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:54,397 INFO L82 PathProgramCache]: Analyzing trace with hash 699793598, now seen corresponding path program 1 times [2019-10-13 21:21:54,398 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:54,398 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455410351] [2019-10-13 21:21:54,398 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:54,400 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:54,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:54,623 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455410351] [2019-10-13 21:21:54,623 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:54,623 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:54,623 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966617664] [2019-10-13 21:21:54,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:54,624 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:54,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:54,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:54,625 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 7 states. [2019-10-13 21:21:54,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:54,945 INFO L93 Difference]: Finished difference Result 210 states and 247 transitions. [2019-10-13 21:21:54,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:54,946 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:21:54,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:54,949 INFO L225 Difference]: With dead ends: 210 [2019-10-13 21:21:54,951 INFO L226 Difference]: Without dead ends: 117 [2019-10-13 21:21:54,953 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:54,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-13 21:21:54,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-10-13 21:21:54,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-13 21:21:54,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2019-10-13 21:21:54,977 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2019-10-13 21:21:54,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:54,977 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2019-10-13 21:21:54,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:54,978 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2019-10-13 21:21:54,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 21:21:54,982 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:54,983 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:54,983 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:54,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:54,987 INFO L82 PathProgramCache]: Analyzing trace with hash -484120084, now seen corresponding path program 1 times [2019-10-13 21:21:54,988 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:54,988 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857946985] [2019-10-13 21:21:54,988 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:54,988 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:54,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:55,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:55,243 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857946985] [2019-10-13 21:21:55,243 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:55,243 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:55,244 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864353005] [2019-10-13 21:21:55,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:55,245 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:55,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:55,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:55,245 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 10 states. [2019-10-13 21:21:55,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:55,805 INFO L93 Difference]: Finished difference Result 376 states and 457 transitions. [2019-10-13 21:21:55,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:21:55,805 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2019-10-13 21:21:55,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:55,810 INFO L225 Difference]: With dead ends: 376 [2019-10-13 21:21:55,810 INFO L226 Difference]: Without dead ends: 283 [2019-10-13 21:21:55,811 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:55,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2019-10-13 21:21:55,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 279. [2019-10-13 21:21:55,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2019-10-13 21:21:55,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 330 transitions. [2019-10-13 21:21:55,865 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 330 transitions. Word has length 65 [2019-10-13 21:21:55,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:55,866 INFO L462 AbstractCegarLoop]: Abstraction has 279 states and 330 transitions. [2019-10-13 21:21:55,866 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:55,866 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 330 transitions. [2019-10-13 21:21:55,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-13 21:21:55,869 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:55,869 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:55,869 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:55,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:55,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1366686438, now seen corresponding path program 1 times [2019-10-13 21:21:55,870 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:55,870 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945917889] [2019-10-13 21:21:55,870 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:55,870 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:55,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:55,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:55,943 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945917889] [2019-10-13 21:21:55,943 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:55,943 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:55,944 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666187850] [2019-10-13 21:21:55,944 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:55,944 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:55,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:55,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:55,945 INFO L87 Difference]: Start difference. First operand 279 states and 330 transitions. Second operand 3 states. [2019-10-13 21:21:55,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:55,972 INFO L93 Difference]: Finished difference Result 431 states and 520 transitions. [2019-10-13 21:21:55,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:55,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2019-10-13 21:21:55,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:55,975 INFO L225 Difference]: With dead ends: 431 [2019-10-13 21:21:55,975 INFO L226 Difference]: Without dead ends: 176 [2019-10-13 21:21:55,976 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:55,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2019-10-13 21:21:55,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2019-10-13 21:21:55,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2019-10-13 21:21:55,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 194 transitions. [2019-10-13 21:21:55,990 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 194 transitions. Word has length 69 [2019-10-13 21:21:55,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:55,991 INFO L462 AbstractCegarLoop]: Abstraction has 176 states and 194 transitions. [2019-10-13 21:21:55,991 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:55,991 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 194 transitions. [2019-10-13 21:21:55,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-13 21:21:55,993 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:55,994 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 21:21:55,994 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:55,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:55,994 INFO L82 PathProgramCache]: Analyzing trace with hash -690184711, now seen corresponding path program 1 times [2019-10-13 21:21:55,995 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:55,995 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668594458] [2019-10-13 21:21:55,995 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:55,995 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:55,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-13 21:21:56,111 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668594458] [2019-10-13 21:21:56,111 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176413102] [2019-10-13 21:21:56,111 INFO L94 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 [2019-10-13 21:21:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:56,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:21:56,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:56,467 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:56,468 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:56,603 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:56,616 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:56,733 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-13 21:21:56,733 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1624055752] [2019-10-13 21:21:56,738 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 111 [2019-10-13 21:21:56,771 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:21:56,771 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:21:56,854 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:21:56,856 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:21:56,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:56,860 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:21:56,929 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:21:56,929 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:21:56,943 INFO L553 sIntCurrentIteration]: We unified 109 AI predicates to 109 [2019-10-13 21:21:56,943 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:21:56,944 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:21:56,948 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-13 21:21:56,948 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509321730] [2019-10-13 21:21:56,949 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:56,950 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:56,950 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:21:56,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:56,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:56,950 INFO L87 Difference]: Start difference. First operand 176 states and 194 transitions. Second operand 2 states. [2019-10-13 21:21:56,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:56,953 INFO L93 Difference]: Finished difference Result 176 states and 194 transitions. [2019-10-13 21:21:56,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:56,954 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 110 [2019-10-13 21:21:56,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:56,954 INFO L225 Difference]: With dead ends: 176 [2019-10-13 21:21:56,954 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:56,955 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:56,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:56,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:56,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:56,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:56,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2019-10-13 21:21:56,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:56,956 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:56,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:56,957 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:56,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:57,163 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:57,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:57,364 INFO L443 ceAbstractionStarter]: For program point L643-2(lines 643 664) no Hoare annotation was computed. [2019-10-13 21:21:57,364 INFO L443 ceAbstractionStarter]: For program point L665(lines 642 666) no Hoare annotation was computed. [2019-10-13 21:21:57,365 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 618 673) no Hoare annotation was computed. [2019-10-13 21:21:57,365 INFO L443 ceAbstractionStarter]: For program point L649(lines 649 653) no Hoare annotation was computed. [2019-10-13 21:21:57,365 INFO L443 ceAbstractionStarter]: For program point L649-1(lines 649 653) no Hoare annotation was computed. [2019-10-13 21:21:57,365 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 618 673) no Hoare annotation was computed. [2019-10-13 21:21:57,365 INFO L443 ceAbstractionStarter]: For program point L644(line 644) no Hoare annotation was computed. [2019-10-13 21:21:57,366 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 618 673) no Hoare annotation was computed. [2019-10-13 21:21:57,366 INFO L443 ceAbstractionStarter]: For program point L706-1(lines 706 710) no Hoare annotation was computed. [2019-10-13 21:21:57,366 INFO L443 ceAbstractionStarter]: For program point L701(line 701) no Hoare annotation was computed. [2019-10-13 21:21:57,366 INFO L443 ceAbstractionStarter]: For program point L700-2(lines 700 725) no Hoare annotation was computed. [2019-10-13 21:21:57,366 INFO L443 ceAbstractionStarter]: For program point L726(lines 699 727) no Hoare annotation was computed. [2019-10-13 21:21:57,366 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 674 733) no Hoare annotation was computed. [2019-10-13 21:21:57,367 INFO L443 ceAbstractionStarter]: For program point L719(line 719) no Hoare annotation was computed. [2019-10-13 21:21:57,367 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 674 733) no Hoare annotation was computed. [2019-10-13 21:21:57,367 INFO L443 ceAbstractionStarter]: For program point L719-1(line 719) no Hoare annotation was computed. [2019-10-13 21:21:57,367 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 674 733) no Hoare annotation was computed. [2019-10-13 21:21:57,368 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 710) no Hoare annotation was computed. [2019-10-13 21:21:57,368 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 157 163) the Hoare annotation is: true [2019-10-13 21:21:57,373 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 157 163) no Hoare annotation was computed. [2019-10-13 21:21:57,373 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 164 172) no Hoare annotation was computed. [2019-10-13 21:21:57,373 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 164 172) the Hoare annotation is: true [2019-10-13 21:21:57,373 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 164 172) no Hoare annotation was computed. [2019-10-13 21:21:57,374 INFO L443 ceAbstractionStarter]: For program point L546-1(line 546) no Hoare annotation was computed. [2019-10-13 21:21:57,374 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 540 564) the Hoare annotation is: true [2019-10-13 21:21:57,374 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 540 564) no Hoare annotation was computed. [2019-10-13 21:21:57,374 INFO L446 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2019-10-13 21:21:57,374 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 558) no Hoare annotation was computed. [2019-10-13 21:21:57,374 INFO L446 ceAbstractionStarter]: At program point L550(line 550) the Hoare annotation is: true [2019-10-13 21:21:57,374 INFO L443 ceAbstractionStarter]: For program point L550-1(line 550) no Hoare annotation was computed. [2019-10-13 21:21:57,375 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 561) no Hoare annotation was computed. [2019-10-13 21:21:57,375 INFO L443 ceAbstractionStarter]: For program point L548-1(lines 540 564) no Hoare annotation was computed. [2019-10-13 21:21:57,375 INFO L446 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: true [2019-10-13 21:21:57,375 INFO L446 ceAbstractionStarter]: At program point L513(line 513) the Hoare annotation is: true [2019-10-13 21:21:57,380 INFO L446 ceAbstractionStarter]: At program point L513-1(line 513) the Hoare annotation is: true [2019-10-13 21:21:57,381 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 507 529) the Hoare annotation is: true [2019-10-13 21:21:57,381 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 507 529) no Hoare annotation was computed. [2019-10-13 21:21:57,381 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 507 529) no Hoare annotation was computed. [2019-10-13 21:21:57,381 INFO L446 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: true [2019-10-13 21:21:57,381 INFO L446 ceAbstractionStarter]: At program point L519-1(line 519) the Hoare annotation is: true [2019-10-13 21:21:57,381 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 524) no Hoare annotation was computed. [2019-10-13 21:21:57,382 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 517 524) no Hoare annotation was computed. [2019-10-13 21:21:57,382 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-13 21:21:57,382 INFO L446 ceAbstractionStarter]: At program point L514(line 514) the Hoare annotation is: true [2019-10-13 21:21:57,382 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-13 21:21:57,382 INFO L443 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2019-10-13 21:21:57,383 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 466 489) no Hoare annotation was computed. [2019-10-13 21:21:57,383 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-13 21:21:57,385 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-13 21:21:57,385 INFO L443 ceAbstractionStarter]: For program point L477(line 477) no Hoare annotation was computed. [2019-10-13 21:21:57,386 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 466 489) no Hoare annotation was computed. [2019-10-13 21:21:57,386 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-13 21:21:57,386 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 466 489) no Hoare annotation was computed. [2019-10-13 21:21:57,386 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-13 21:21:57,387 INFO L443 ceAbstractionStarter]: For program point L474(line 474) no Hoare annotation was computed. [2019-10-13 21:21:57,387 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-13 21:21:57,387 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-13 21:21:57,387 INFO L443 ceAbstractionStarter]: For program point L471(line 471) no Hoare annotation was computed. [2019-10-13 21:21:57,387 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-13 21:21:57,387 INFO L443 ceAbstractionStarter]: For program point L483(line 483) no Hoare annotation was computed. [2019-10-13 21:21:57,388 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-13 21:21:57,388 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 294 302) no Hoare annotation was computed. [2019-10-13 21:21:57,388 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 294 302) the Hoare annotation is: true [2019-10-13 21:21:57,388 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 294 302) no Hoare annotation was computed. [2019-10-13 21:21:57,390 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2019-10-13 21:21:57,390 INFO L446 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: true [2019-10-13 21:21:57,390 INFO L443 ceAbstractionStarter]: For program point L348-2(lines 348 352) no Hoare annotation was computed. [2019-10-13 21:21:57,390 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 339 357) the Hoare annotation is: true [2019-10-13 21:21:57,390 INFO L443 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2019-10-13 21:21:57,390 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 339 357) no Hoare annotation was computed. [2019-10-13 21:21:57,391 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 339 357) no Hoare annotation was computed. [2019-10-13 21:21:57,391 INFO L443 ceAbstractionStarter]: For program point L322-2(lines 322 330) no Hoare annotation was computed. [2019-10-13 21:21:57,391 INFO L443 ceAbstractionStarter]: For program point L310(lines 310 318) no Hoare annotation was computed. [2019-10-13 21:21:57,391 INFO L443 ceAbstractionStarter]: For program point L310-2(lines 310 318) no Hoare annotation was computed. [2019-10-13 21:21:57,391 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 303 338) no Hoare annotation was computed. [2019-10-13 21:21:57,391 INFO L443 ceAbstractionStarter]: For program point L333(line 333) no Hoare annotation was computed. [2019-10-13 21:21:57,391 INFO L443 ceAbstractionStarter]: For program point L333-1(line 333) no Hoare annotation was computed. [2019-10-13 21:21:57,392 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 303 338) no Hoare annotation was computed. [2019-10-13 21:21:57,392 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 303 338) no Hoare annotation was computed. [2019-10-13 21:21:57,392 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 330) no Hoare annotation was computed. [2019-10-13 21:21:57,392 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 150 156) no Hoare annotation was computed. [2019-10-13 21:21:57,393 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 150 156) the Hoare annotation is: true [2019-10-13 21:21:57,393 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 572 617) no Hoare annotation was computed. [2019-10-13 21:21:57,393 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 572 617) no Hoare annotation was computed. [2019-10-13 21:21:57,393 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 572 617) no Hoare annotation was computed. [2019-10-13 21:21:57,393 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 885 930) no Hoare annotation was computed. [2019-10-13 21:21:57,393 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 885 930) no Hoare annotation was computed. [2019-10-13 21:21:57,393 INFO L443 ceAbstractionStarter]: For program point L905(lines 905 912) no Hoare annotation was computed. [2019-10-13 21:21:57,393 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 885 930) no Hoare annotation was computed. [2019-10-13 21:21:57,394 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 919) no Hoare annotation was computed. [2019-10-13 21:21:57,394 INFO L443 ceAbstractionStarter]: For program point L899-1(lines 899 919) no Hoare annotation was computed. [2019-10-13 21:21:57,394 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 497 506) the Hoare annotation is: true [2019-10-13 21:21:57,394 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 497 506) no Hoare annotation was computed. [2019-10-13 21:21:57,394 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 497 506) no Hoare annotation was computed. [2019-10-13 21:21:57,394 INFO L446 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: true [2019-10-13 21:21:57,394 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 283 293) the Hoare annotation is: true [2019-10-13 21:21:57,395 INFO L443 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2019-10-13 21:21:57,395 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 283 293) no Hoare annotation was computed. [2019-10-13 21:21:57,395 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 283 293) no Hoare annotation was computed. [2019-10-13 21:21:57,397 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 275 282) the Hoare annotation is: true [2019-10-13 21:21:57,397 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 275 282) no Hoare annotation was computed. [2019-10-13 21:21:57,397 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 275 282) no Hoare annotation was computed. [2019-10-13 21:21:57,398 INFO L446 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: true [2019-10-13 21:21:57,398 INFO L446 ceAbstractionStarter]: At program point L252(line 252) the Hoare annotation is: true [2019-10-13 21:21:57,398 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 258) no Hoare annotation was computed. [2019-10-13 21:21:57,398 INFO L446 ceAbstractionStarter]: At program point L248(line 248) the Hoare annotation is: true [2019-10-13 21:21:57,398 INFO L443 ceAbstractionStarter]: For program point L248-1(line 248) no Hoare annotation was computed. [2019-10-13 21:21:57,398 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 242 266) no Hoare annotation was computed. [2019-10-13 21:21:57,398 INFO L443 ceAbstractionStarter]: For program point L246(lines 246 263) no Hoare annotation was computed. [2019-10-13 21:21:57,399 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 242 266) the Hoare annotation is: true [2019-10-13 21:21:57,399 INFO L446 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: true [2019-10-13 21:21:57,399 INFO L443 ceAbstractionStarter]: For program point L261-1(lines 242 266) no Hoare annotation was computed. [2019-10-13 21:21:57,399 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 208 214) no Hoare annotation was computed. [2019-10-13 21:21:57,400 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 208 214) the Hoare annotation is: true [2019-10-13 21:21:57,400 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 368 433) the Hoare annotation is: true [2019-10-13 21:21:57,400 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 384) no Hoare annotation was computed. [2019-10-13 21:21:57,400 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 368 433) no Hoare annotation was computed. [2019-10-13 21:21:57,400 INFO L446 ceAbstractionStarter]: At program point L426(lines 377 427) the Hoare annotation is: true [2019-10-13 21:21:57,401 INFO L443 ceAbstractionStarter]: For program point L416(lines 416 420) no Hoare annotation was computed. [2019-10-13 21:21:57,401 INFO L446 ceAbstractionStarter]: At program point L416-2(lines 408 421) the Hoare annotation is: true [2019-10-13 21:21:57,401 INFO L443 ceAbstractionStarter]: For program point L379(lines 378 425) no Hoare annotation was computed. [2019-10-13 21:21:57,401 INFO L446 ceAbstractionStarter]: At program point L410(line 410) the Hoare annotation is: true [2019-10-13 21:21:57,401 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 421) no Hoare annotation was computed. [2019-10-13 21:21:57,402 INFO L446 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: true [2019-10-13 21:21:57,402 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 404) no Hoare annotation was computed. [2019-10-13 21:21:57,402 INFO L443 ceAbstractionStarter]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2019-10-13 21:21:57,402 INFO L446 ceAbstractionStarter]: At program point L423(lines 378 425) the Hoare annotation is: true [2019-10-13 21:21:57,402 INFO L446 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: true [2019-10-13 21:21:57,403 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 394) no Hoare annotation was computed. [2019-10-13 21:21:57,403 INFO L443 ceAbstractionStarter]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2019-10-13 21:21:57,403 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 368 433) no Hoare annotation was computed. [2019-10-13 21:21:57,403 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 866) no Hoare annotation was computed. [2019-10-13 21:21:57,404 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 839 884) no Hoare annotation was computed. [2019-10-13 21:21:57,404 INFO L443 ceAbstractionStarter]: For program point L853(lines 853 873) no Hoare annotation was computed. [2019-10-13 21:21:57,404 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 839 884) no Hoare annotation was computed. [2019-10-13 21:21:57,404 INFO L443 ceAbstractionStarter]: For program point L853-1(lines 853 873) no Hoare annotation was computed. [2019-10-13 21:21:57,404 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 839 884) no Hoare annotation was computed. [2019-10-13 21:21:57,404 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2019-10-13 21:21:57,404 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2019-10-13 21:21:57,405 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2019-10-13 21:21:57,405 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-13 21:21:57,406 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-10-13 21:21:57,406 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-13 21:21:57,406 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-10-13 21:21:57,406 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-10-13 21:21:57,406 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 140 149) no Hoare annotation was computed. [2019-10-13 21:21:57,407 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 140 149) no Hoare annotation was computed. [2019-10-13 21:21:57,407 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 140 149) no Hoare annotation was computed. [2019-10-13 21:21:57,407 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-13 21:21:57,407 INFO L443 ceAbstractionStarter]: For program point L801-1(line 801) no Hoare annotation was computed. [2019-10-13 21:21:57,407 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 736 838) no Hoare annotation was computed. [2019-10-13 21:21:57,410 INFO L443 ceAbstractionStarter]: For program point L760(lines 760 764) no Hoare annotation was computed. [2019-10-13 21:21:57,410 INFO L443 ceAbstractionStarter]: For program point L824(lines 824 835) no Hoare annotation was computed. [2019-10-13 21:21:57,410 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 791) no Hoare annotation was computed. [2019-10-13 21:21:57,410 INFO L443 ceAbstractionStarter]: For program point L785-2(lines 785 805) no Hoare annotation was computed. [2019-10-13 21:21:57,410 INFO L443 ceAbstractionStarter]: For program point L806(lines 784 807) no Hoare annotation was computed. [2019-10-13 21:21:57,410 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 736 838) no Hoare annotation was computed. [2019-10-13 21:21:57,410 INFO L443 ceAbstractionStarter]: For program point L765(lines 765 781) no Hoare annotation was computed. [2019-10-13 21:21:57,411 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 832) no Hoare annotation was computed. [2019-10-13 21:21:57,411 INFO L443 ceAbstractionStarter]: For program point L786(lines 785 805) no Hoare annotation was computed. [2019-10-13 21:21:57,411 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 736 838) no Hoare annotation was computed. [2019-10-13 21:21:57,411 INFO L443 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2019-10-13 21:21:57,412 INFO L443 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2019-10-13 21:21:57,412 INFO L443 ceAbstractionStarter]: For program point L782(lines 782 823) no Hoare annotation was computed. [2019-10-13 21:21:57,412 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,412 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:57,412 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,412 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 267 274) no Hoare annotation was computed. [2019-10-13 21:21:57,413 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 267 274) no Hoare annotation was computed. [2019-10-13 21:21:57,413 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 267 274) no Hoare annotation was computed. [2019-10-13 21:21:57,413 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2019-10-13 21:21:57,413 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-10-13 21:21:57,413 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-13 21:21:57,414 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-10-13 21:21:57,414 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2019-10-13 21:21:57,415 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-13 21:21:57,415 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,415 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,415 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,415 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-13 21:21:57,415 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-10-13 21:21:57,416 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-13 21:21:57,416 INFO L446 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: true [2019-10-13 21:21:57,416 INFO L443 ceAbstractionStarter]: For program point L188(lines 187 206) no Hoare annotation was computed. [2019-10-13 21:21:57,416 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 184 207) the Hoare annotation is: true [2019-10-13 21:21:57,416 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 184 207) no Hoare annotation was computed. [2019-10-13 21:21:57,417 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 184 207) no Hoare annotation was computed. [2019-10-13 21:21:57,417 INFO L446 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: true [2019-10-13 21:21:57,417 INFO L446 ceAbstractionStarter]: At program point L195(lines 195 201) the Hoare annotation is: true [2019-10-13 21:21:57,417 INFO L446 ceAbstractionStarter]: At program point L450-1(lines 450 454) the Hoare annotation is: true [2019-10-13 21:21:57,418 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 436 465) no Hoare annotation was computed. [2019-10-13 21:21:57,418 INFO L443 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2019-10-13 21:21:57,418 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 436 465) the Hoare annotation is: true [2019-10-13 21:21:57,418 INFO L446 ceAbstractionStarter]: At program point L446-2(lines 446 460) the Hoare annotation is: true [2019-10-13 21:21:57,418 INFO L446 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: true [2019-10-13 21:21:57,418 INFO L443 ceAbstractionStarter]: For program point L442-1(line 442) no Hoare annotation was computed. [2019-10-13 21:21:57,419 INFO L446 ceAbstractionStarter]: At program point L461(lines 436 465) the Hoare annotation is: true [2019-10-13 21:21:57,420 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-13 21:21:57,420 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 454) no Hoare annotation was computed. [2019-10-13 21:21:57,420 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-13 21:21:57,420 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-13 21:21:57,420 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-10-13 21:21:57,421 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 490 496) no Hoare annotation was computed. [2019-10-13 21:21:57,421 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 490 496) the Hoare annotation is: true [2019-10-13 21:21:57,421 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,421 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:21:57,421 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:57,421 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,421 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 358 365) no Hoare annotation was computed. [2019-10-13 21:21:57,422 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 358 365) the Hoare annotation is: true [2019-10-13 21:21:57,422 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 358 365) no Hoare annotation was computed. [2019-10-13 21:21:57,423 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-10-13 21:21:57,423 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-13 21:21:57,423 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2019-10-13 21:21:57,423 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 531 538) no Hoare annotation was computed. [2019-10-13 21:21:57,423 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2019-10-13 21:21:57,423 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 531 538) the Hoare annotation is: true [2019-10-13 21:21:57,423 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 531 538) no Hoare annotation was computed. [2019-10-13 21:21:57,424 INFO L443 ceAbstractionStarter]: For program point L224(lines 224 232) no Hoare annotation was computed. [2019-10-13 21:21:57,424 INFO L446 ceAbstractionStarter]: At program point L222(line 222) the Hoare annotation is: true [2019-10-13 21:21:57,424 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 216 240) no Hoare annotation was computed. [2019-10-13 21:21:57,424 INFO L443 ceAbstractionStarter]: For program point L222-1(line 222) no Hoare annotation was computed. [2019-10-13 21:21:57,424 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 237) no Hoare annotation was computed. [2019-10-13 21:21:57,424 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 216 240) the Hoare annotation is: true [2019-10-13 21:21:57,424 INFO L446 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: true [2019-10-13 21:21:57,425 INFO L443 ceAbstractionStarter]: For program point L235-1(lines 216 240) no Hoare annotation was computed. [2019-10-13 21:21:57,425 INFO L446 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: true [2019-10-13 21:21:57,425 INFO L446 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: true [2019-10-13 21:21:57,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:57 BoogieIcfgContainer [2019-10-13 21:21:57,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:57,443 INFO L168 Benchmark]: Toolchain (without parser) took 5830.62 ms. Allocated memory was 135.8 MB in the beginning and 310.4 MB in the end (delta: 174.6 MB). Free memory was 99.3 MB in the beginning and 226.0 MB in the end (delta: -126.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,443 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 135.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.46 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 99.1 MB in the beginning and 166.7 MB in the end (delta: -67.6 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,450 INFO L168 Benchmark]: Boogie Preprocessor took 101.36 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 163.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,451 INFO L168 Benchmark]: RCFGBuilder took 1228.18 ms. Allocated memory was 200.3 MB in the beginning and 228.6 MB in the end (delta: 28.3 MB). Free memory was 162.5 MB in the beginning and 195.4 MB in the end (delta: -32.9 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,452 INFO L168 Benchmark]: TraceAbstraction took 3852.60 ms. Allocated memory was 228.6 MB in the beginning and 310.4 MB in the end (delta: 81.8 MB). Free memory was 195.4 MB in the beginning and 226.0 MB in the end (delta: -30.6 MB). Peak memory consumption was 51.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,463 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 135.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.46 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 99.1 MB in the beginning and 166.7 MB in the end (delta: -67.6 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.36 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 163.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1228.18 ms. Allocated memory was 200.3 MB in the beginning and 228.6 MB in the end (delta: 28.3 MB). Free memory was 162.5 MB in the beginning and 195.4 MB in the end (delta: -32.9 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3852.60 ms. Allocated memory was 228.6 MB in the beginning and 310.4 MB in the end (delta: 81.8 MB). Free memory was 195.4 MB in the beginning and 226.0 MB in the end (delta: -30.6 MB). Peak memory consumption was 51.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: 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: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 228 locations, 1 error locations. Result: SAFE, OverallTime: 3.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 671 SDtfs, 391 SDslu, 1362 SDs, 0 SdLazy, 451 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 385 PreInvPairs, 386 NumberOfFragments, 59 HoareAnnotationTreeSize, 385 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 59 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 499 NumberOfCodeBlocks, 499 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 601 ConstructedInterpolants, 0 QuantifiedInterpolants, 104777 SizeOfPredicates, 3 NumberOfNonLiveVariables, 791 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 102/111 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 123, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8990825688073395, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...