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_spec3_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:17,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:17,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:17,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:17,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:17,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:17,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:17,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:17,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:17,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:17,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:17,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:17,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:17,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:17,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:17,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:17,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:17,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:17,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:17,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:17,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:17,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:17,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:17,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:17,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:17,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:17,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:17,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:17,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:17,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:17,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:17,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:17,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:17,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:17,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:17,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:17,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:17,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:17,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:17,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:17,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:17,270 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 [2019-10-15 01:20:17,288 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:17,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:17,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:17,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:17,290 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:17,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:17,291 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:17,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:17,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:17,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:17,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:17,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:17,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:17,292 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:17,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:17,293 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:17,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:17,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:17,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:17,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:17,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:17,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:17,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:17,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:17,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:17,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:17,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:17,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:17,297 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 [2019-10-15 01:20:17,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:17,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:17,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:17,618 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:17,619 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:17,620 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2019-10-15 01:20:17,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e46821cbe/01b62eb2b7ec4233b166f086af41a2a6/FLAG3b4943e41 [2019-10-15 01:20:18,249 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:18,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2019-10-15 01:20:18,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e46821cbe/01b62eb2b7ec4233b166f086af41a2a6/FLAG3b4943e41 [2019-10-15 01:20:18,599 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e46821cbe/01b62eb2b7ec4233b166f086af41a2a6 [2019-10-15 01:20:18,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:18,609 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:18,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:18,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:18,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:18,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:18" (1/1) ... [2019-10-15 01:20:18,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c168e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:18, skipping insertion in model container [2019-10-15 01:20:18,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:18" (1/1) ... [2019-10-15 01:20:18,624 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:18,680 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:19,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:19,240 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:19,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:19,360 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:19,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19 WrapperNode [2019-10-15 01:20:19,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:19,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:19,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:19,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:19,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (1/1) ... [2019-10-15 01:20:19,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (1/1) ... [2019-10-15 01:20:19,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (1/1) ... [2019-10-15 01:20:19,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (1/1) ... [2019-10-15 01:20:19,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (1/1) ... [2019-10-15 01:20:19,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (1/1) ... [2019-10-15 01:20:19,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (1/1) ... [2019-10-15 01:20:19,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:19,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:19,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:19,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:19,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (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 [2019-10-15 01:20:19,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:19,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:19,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:19,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:19,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:19,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:19,523 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:20:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:20:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:20:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-15 01:20:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:20:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:20:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-15 01:20:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:20:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:20:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:20:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:20,575 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:20,575 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:20,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:20 BoogieIcfgContainer [2019-10-15 01:20:20,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:20,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:20,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:20,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:20,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:18" (1/3) ... [2019-10-15 01:20:20,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496efac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:20, skipping insertion in model container [2019-10-15 01:20:20,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (2/3) ... [2019-10-15 01:20:20,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496efac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:20, skipping insertion in model container [2019-10-15 01:20:20,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:20" (3/3) ... [2019-10-15 01:20:20,588 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2019-10-15 01:20:20,599 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:20,607 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:20,619 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:20,650 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:20,650 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:20,650 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:20,650 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:20,650 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:20,651 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:20,651 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:20,651 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:20,674 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2019-10-15 01:20:20,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:20:20,683 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:20,684 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] [2019-10-15 01:20:20,686 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:20,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:20,692 INFO L82 PathProgramCache]: Analyzing trace with hash 177325019, now seen corresponding path program 1 times [2019-10-15 01:20:20,702 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:20,702 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544504404] [2019-10-15 01:20:20,703 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:20,703 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:20,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:21,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:21,043 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544504404] [2019-10-15 01:20:21,044 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:21,044 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:21,045 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810832842] [2019-10-15 01:20:21,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:21,054 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:21,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:21,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:21,073 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2019-10-15 01:20:21,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:21,140 INFO L93 Difference]: Finished difference Result 246 states and 305 transitions. [2019-10-15 01:20:21,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:21,142 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-15 01:20:21,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:21,155 INFO L225 Difference]: With dead ends: 246 [2019-10-15 01:20:21,156 INFO L226 Difference]: Without dead ends: 123 [2019-10-15 01:20:21,161 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 [2019-10-15 01:20:21,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-10-15 01:20:21,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-10-15 01:20:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-15 01:20:21,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2019-10-15 01:20:21,218 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 52 [2019-10-15 01:20:21,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:21,219 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2019-10-15 01:20:21,219 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:21,219 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2019-10-15 01:20:21,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 01:20:21,222 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:21,223 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] [2019-10-15 01:20:21,223 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:21,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:21,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1842882407, now seen corresponding path program 1 times [2019-10-15 01:20:21,224 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:21,224 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423350430] [2019-10-15 01:20:21,224 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,224 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:21,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:21,387 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423350430] [2019-10-15 01:20:21,387 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:21,387 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:21,388 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454609516] [2019-10-15 01:20:21,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:21,390 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:21,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:21,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:21,391 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 3 states. [2019-10-15 01:20:21,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:21,412 INFO L93 Difference]: Finished difference Result 195 states and 227 transitions. [2019-10-15 01:20:21,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:21,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-15 01:20:21,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:21,415 INFO L225 Difference]: With dead ends: 195 [2019-10-15 01:20:21,415 INFO L226 Difference]: Without dead ends: 114 [2019-10-15 01:20:21,417 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 [2019-10-15 01:20:21,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-15 01:20:21,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-10-15 01:20:21,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-15 01:20:21,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2019-10-15 01:20:21,440 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 53 [2019-10-15 01:20:21,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:21,440 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2019-10-15 01:20:21,440 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:21,441 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2019-10-15 01:20:21,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:20:21,445 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:21,445 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] [2019-10-15 01:20:21,445 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:21,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:21,446 INFO L82 PathProgramCache]: Analyzing trace with hash 774651483, now seen corresponding path program 1 times [2019-10-15 01:20:21,446 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:21,448 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122330996] [2019-10-15 01:20:21,449 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,449 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:21,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:21,628 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122330996] [2019-10-15 01:20:21,628 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:21,629 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:21,629 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984021338] [2019-10-15 01:20:21,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:21,630 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:21,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:21,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:21,631 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 7 states. [2019-10-15 01:20:21,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:21,959 INFO L93 Difference]: Finished difference Result 204 states and 241 transitions. [2019-10-15 01:20:21,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:21,960 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-15 01:20:21,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:21,962 INFO L225 Difference]: With dead ends: 204 [2019-10-15 01:20:21,962 INFO L226 Difference]: Without dead ends: 114 [2019-10-15 01:20:21,964 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:21,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-15 01:20:21,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-10-15 01:20:21,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-15 01:20:21,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2019-10-15 01:20:21,983 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 57 [2019-10-15 01:20:21,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:21,984 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2019-10-15 01:20:21,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:21,985 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2019-10-15 01:20:21,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-15 01:20:21,989 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:21,989 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] [2019-10-15 01:20:21,989 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:21,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:21,990 INFO L82 PathProgramCache]: Analyzing trace with hash -771193848, now seen corresponding path program 1 times [2019-10-15 01:20:21,990 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:21,991 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400295] [2019-10-15 01:20:21,991 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,991 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:22,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:22,206 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400295] [2019-10-15 01:20:22,207 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:22,207 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:20:22,210 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913013045] [2019-10-15 01:20:22,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:20:22,211 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:22,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:20:22,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:22,211 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 5 states. [2019-10-15 01:20:22,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:22,683 INFO L93 Difference]: Finished difference Result 301 states and 361 transitions. [2019-10-15 01:20:22,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:22,684 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-10-15 01:20:22,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:22,687 INFO L225 Difference]: With dead ends: 301 [2019-10-15 01:20:22,687 INFO L226 Difference]: Without dead ends: 211 [2019-10-15 01:20:22,688 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:22,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2019-10-15 01:20:22,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 193. [2019-10-15 01:20:22,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-10-15 01:20:22,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 222 transitions. [2019-10-15 01:20:22,730 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 222 transitions. Word has length 65 [2019-10-15 01:20:22,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:22,730 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 222 transitions. [2019-10-15 01:20:22,730 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:20:22,730 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 222 transitions. [2019-10-15 01:20:22,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-15 01:20:22,734 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:22,734 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:22,734 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:22,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:22,735 INFO L82 PathProgramCache]: Analyzing trace with hash -913158347, now seen corresponding path program 1 times [2019-10-15 01:20:22,735 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:22,738 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978231063] [2019-10-15 01:20:22,738 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,738 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:22,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:22,833 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978231063] [2019-10-15 01:20:22,833 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:22,834 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:22,834 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698285945] [2019-10-15 01:20:22,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:22,835 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:22,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:22,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:22,835 INFO L87 Difference]: Start difference. First operand 193 states and 222 transitions. Second operand 6 states. [2019-10-15 01:20:23,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:23,040 INFO L93 Difference]: Finished difference Result 481 states and 582 transitions. [2019-10-15 01:20:23,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:23,041 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-10-15 01:20:23,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:23,050 INFO L225 Difference]: With dead ends: 481 [2019-10-15 01:20:23,051 INFO L226 Difference]: Without dead ends: 312 [2019-10-15 01:20:23,056 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:23,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2019-10-15 01:20:23,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 308. [2019-10-15 01:20:23,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-10-15 01:20:23,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 360 transitions. [2019-10-15 01:20:23,113 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 360 transitions. Word has length 79 [2019-10-15 01:20:23,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:23,113 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 360 transitions. [2019-10-15 01:20:23,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:23,114 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 360 transitions. [2019-10-15 01:20:23,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-15 01:20:23,116 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:23,116 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:23,116 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:23,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:23,117 INFO L82 PathProgramCache]: Analyzing trace with hash 421166267, now seen corresponding path program 1 times [2019-10-15 01:20:23,117 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:23,117 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112332870] [2019-10-15 01:20:23,117 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:23,117 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:23,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:23,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:23,232 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112332870] [2019-10-15 01:20:23,232 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:23,232 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:23,232 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920104815] [2019-10-15 01:20:23,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:23,233 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:23,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:23,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:23,234 INFO L87 Difference]: Start difference. First operand 308 states and 360 transitions. Second operand 6 states. [2019-10-15 01:20:23,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:23,453 INFO L93 Difference]: Finished difference Result 641 states and 776 transitions. [2019-10-15 01:20:23,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:23,453 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-10-15 01:20:23,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:23,457 INFO L225 Difference]: With dead ends: 641 [2019-10-15 01:20:23,458 INFO L226 Difference]: Without dead ends: 472 [2019-10-15 01:20:23,459 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:23,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2019-10-15 01:20:23,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 454. [2019-10-15 01:20:23,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-15 01:20:23,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 541 transitions. [2019-10-15 01:20:23,495 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 541 transitions. Word has length 83 [2019-10-15 01:20:23,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:23,496 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 541 transitions. [2019-10-15 01:20:23,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:23,496 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 541 transitions. [2019-10-15 01:20:23,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-15 01:20:23,498 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:23,498 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:23,498 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:23,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:23,499 INFO L82 PathProgramCache]: Analyzing trace with hash 750932028, now seen corresponding path program 1 times [2019-10-15 01:20:23,499 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:23,499 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610226470] [2019-10-15 01:20:23,500 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:23,500 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:23,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:23,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:23,566 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610226470] [2019-10-15 01:20:23,566 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:23,566 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:20:23,567 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188703208] [2019-10-15 01:20:23,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:20:23,567 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:23,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:20:23,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:23,568 INFO L87 Difference]: Start difference. First operand 454 states and 541 transitions. Second operand 5 states. [2019-10-15 01:20:23,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:23,601 INFO L93 Difference]: Finished difference Result 779 states and 946 transitions. [2019-10-15 01:20:23,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 01:20:23,602 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2019-10-15 01:20:23,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:23,605 INFO L225 Difference]: With dead ends: 779 [2019-10-15 01:20:23,605 INFO L226 Difference]: Without dead ends: 464 [2019-10-15 01:20:23,607 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:23,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2019-10-15 01:20:23,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 458. [2019-10-15 01:20:23,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-10-15 01:20:23,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 544 transitions. [2019-10-15 01:20:23,636 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 544 transitions. Word has length 83 [2019-10-15 01:20:23,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:23,636 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 544 transitions. [2019-10-15 01:20:23,636 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:20:23,636 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 544 transitions. [2019-10-15 01:20:23,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-15 01:20:23,638 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:23,638 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:23,639 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:23,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:23,639 INFO L82 PathProgramCache]: Analyzing trace with hash 678545470, now seen corresponding path program 1 times [2019-10-15 01:20:23,639 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:23,640 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698884946] [2019-10-15 01:20:23,640 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:23,640 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:23,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:23,792 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698884946] [2019-10-15 01:20:23,793 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:23,793 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:20:23,793 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296000513] [2019-10-15 01:20:23,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:20:23,795 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:23,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:20:23,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:23,796 INFO L87 Difference]: Start difference. First operand 458 states and 544 transitions. Second operand 9 states. [2019-10-15 01:20:23,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:23,887 INFO L93 Difference]: Finished difference Result 909 states and 1102 transitions. [2019-10-15 01:20:23,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:20:23,887 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2019-10-15 01:20:23,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:23,892 INFO L225 Difference]: With dead ends: 909 [2019-10-15 01:20:23,893 INFO L226 Difference]: Without dead ends: 475 [2019-10-15 01:20:23,895 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:23,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2019-10-15 01:20:23,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 465. [2019-10-15 01:20:23,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2019-10-15 01:20:23,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 551 transitions. [2019-10-15 01:20:23,931 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 551 transitions. Word has length 83 [2019-10-15 01:20:23,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:23,931 INFO L462 AbstractCegarLoop]: Abstraction has 465 states and 551 transitions. [2019-10-15 01:20:23,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:20:23,932 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 551 transitions. [2019-10-15 01:20:23,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-10-15 01:20:23,934 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:23,935 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:23,935 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:23,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:23,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1174041569, now seen corresponding path program 1 times [2019-10-15 01:20:23,936 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:23,936 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184049368] [2019-10-15 01:20:23,936 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:23,936 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:23,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:24,050 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184049368] [2019-10-15 01:20:24,052 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504762133] [2019-10-15 01:20:24,052 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 [2019-10-15 01:20:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:24,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-15 01:20:24,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:24,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:24,387 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:24,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:24,805 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:24,806 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2019-10-15 01:20:24,806 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839430494] [2019-10-15 01:20:24,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:24,807 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:24,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:24,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:20:24,808 INFO L87 Difference]: Start difference. First operand 465 states and 551 transitions. Second operand 8 states. [2019-10-15 01:20:25,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:25,235 INFO L93 Difference]: Finished difference Result 1312 states and 1589 transitions. [2019-10-15 01:20:25,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:25,236 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2019-10-15 01:20:25,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:25,242 INFO L225 Difference]: With dead ends: 1312 [2019-10-15 01:20:25,242 INFO L226 Difference]: Without dead ends: 871 [2019-10-15 01:20:25,244 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:20:25,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2019-10-15 01:20:25,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 868. [2019-10-15 01:20:25,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 868 states. [2019-10-15 01:20:25,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1030 transitions. [2019-10-15 01:20:25,298 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1030 transitions. Word has length 95 [2019-10-15 01:20:25,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:25,298 INFO L462 AbstractCegarLoop]: Abstraction has 868 states and 1030 transitions. [2019-10-15 01:20:25,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:25,298 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1030 transitions. [2019-10-15 01:20:25,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 01:20:25,302 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:25,302 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:25,507 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:25,507 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:25,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:25,508 INFO L82 PathProgramCache]: Analyzing trace with hash 175480453, now seen corresponding path program 1 times [2019-10-15 01:20:25,508 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:25,509 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336141326] [2019-10-15 01:20:25,509 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:25,510 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:25,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:25,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:25,633 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336141326] [2019-10-15 01:20:25,633 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:25,633 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 01:20:25,634 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015764348] [2019-10-15 01:20:25,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:20:25,638 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:25,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:20:25,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:25,639 INFO L87 Difference]: Start difference. First operand 868 states and 1030 transitions. Second operand 10 states. [2019-10-15 01:20:25,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:25,954 INFO L93 Difference]: Finished difference Result 1660 states and 2007 transitions. [2019-10-15 01:20:25,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-15 01:20:25,954 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2019-10-15 01:20:25,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:25,960 INFO L225 Difference]: With dead ends: 1660 [2019-10-15 01:20:25,960 INFO L226 Difference]: Without dead ends: 816 [2019-10-15 01:20:25,963 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:20:25,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2019-10-15 01:20:26,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 802. [2019-10-15 01:20:26,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 802 states. [2019-10-15 01:20:26,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 938 transitions. [2019-10-15 01:20:26,035 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 938 transitions. Word has length 99 [2019-10-15 01:20:26,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:26,036 INFO L462 AbstractCegarLoop]: Abstraction has 802 states and 938 transitions. [2019-10-15 01:20:26,036 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:20:26,036 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 938 transitions. [2019-10-15 01:20:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 01:20:26,041 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:26,041 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:26,041 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:26,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:26,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1676429373, now seen corresponding path program 1 times [2019-10-15 01:20:26,042 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:26,042 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461425264] [2019-10-15 01:20:26,043 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:26,043 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:26,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:26,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:26,165 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461425264] [2019-10-15 01:20:26,168 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:26,168 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 01:20:26,169 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217917302] [2019-10-15 01:20:26,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:20:26,169 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:26,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:20:26,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:26,170 INFO L87 Difference]: Start difference. First operand 802 states and 938 transitions. Second operand 10 states. [2019-10-15 01:20:26,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:26,409 INFO L93 Difference]: Finished difference Result 1581 states and 1854 transitions. [2019-10-15 01:20:26,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:20:26,410 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2019-10-15 01:20:26,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:26,411 INFO L225 Difference]: With dead ends: 1581 [2019-10-15 01:20:26,411 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:20:26,414 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:20:26,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:20:26,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:20:26,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:20:26,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:20:26,416 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2019-10-15 01:20:26,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:26,416 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:20:26,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:20:26,416 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:20:26,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:26,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:27,098 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 23 [2019-10-15 01:20:27,469 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2019-10-15 01:20:27,781 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36 [2019-10-15 01:20:27,886 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 22 [2019-10-15 01:20:28,087 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2019-10-15 01:20:28,679 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2019-10-15 01:20:28,800 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 23 [2019-10-15 01:20:29,220 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 33 [2019-10-15 01:20:29,806 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2019-10-15 01:20:30,236 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2019-10-15 01:20:30,550 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 639) no Hoare annotation was computed. [2019-10-15 01:20:30,550 INFO L443 ceAbstractionStarter]: For program point L635-1(lines 635 639) no Hoare annotation was computed. [2019-10-15 01:20:30,551 INFO L443 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2019-10-15 01:20:30,551 INFO L443 ceAbstractionStarter]: For program point L629-2(lines 629 650) no Hoare annotation was computed. [2019-10-15 01:20:30,551 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 604 659) no Hoare annotation was computed. [2019-10-15 01:20:30,551 INFO L443 ceAbstractionStarter]: For program point L651(lines 628 652) no Hoare annotation was computed. [2019-10-15 01:20:30,551 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 604 659) no Hoare annotation was computed. [2019-10-15 01:20:30,551 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 604 659) no Hoare annotation was computed. [2019-10-15 01:20:30,551 INFO L443 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2019-10-15 01:20:30,552 INFO L443 ceAbstractionStarter]: For program point L705-1(line 705) no Hoare annotation was computed. [2019-10-15 01:20:30,552 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 660 719) no Hoare annotation was computed. [2019-10-15 01:20:30,552 INFO L443 ceAbstractionStarter]: For program point L692(lines 692 696) no Hoare annotation was computed. [2019-10-15 01:20:30,552 INFO L443 ceAbstractionStarter]: For program point L692-1(lines 692 696) no Hoare annotation was computed. [2019-10-15 01:20:30,552 INFO L443 ceAbstractionStarter]: For program point L687(line 687) no Hoare annotation was computed. [2019-10-15 01:20:30,552 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 660 719) no Hoare annotation was computed. [2019-10-15 01:20:30,552 INFO L443 ceAbstractionStarter]: For program point L686-2(lines 686 711) no Hoare annotation was computed. [2019-10-15 01:20:30,552 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 660 719) no Hoare annotation was computed. [2019-10-15 01:20:30,552 INFO L443 ceAbstractionStarter]: For program point L712(lines 685 713) no Hoare annotation was computed. [2019-10-15 01:20:30,552 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-15 01:20:30,553 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-15 01:20:30,553 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-15 01:20:30,553 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-15 01:20:30,553 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-15 01:20:30,553 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 528 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,553 INFO L439 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,554 INFO L439 ceAbstractionStarter]: At program point L540-1(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,554 INFO L443 ceAbstractionStarter]: For program point L538(lines 538 545) no Hoare annotation was computed. [2019-10-15 01:20:30,554 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 538 545) no Hoare annotation was computed. [2019-10-15 01:20:30,554 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 528 550) no Hoare annotation was computed. [2019-10-15 01:20:30,554 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-15 01:20:30,554 INFO L439 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,555 INFO L439 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,555 INFO L439 ceAbstractionStarter]: At program point L534-1(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,555 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 528 550) no Hoare annotation was computed. [2019-10-15 01:20:30,555 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 487 510) no Hoare annotation was computed. [2019-10-15 01:20:30,555 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 487 510) no Hoare annotation was computed. [2019-10-15 01:20:30,555 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 487 510) no Hoare annotation was computed. [2019-10-15 01:20:30,556 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-15 01:20:30,556 INFO L443 ceAbstractionStarter]: For program point L504(line 504) no Hoare annotation was computed. [2019-10-15 01:20:30,556 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-15 01:20:30,556 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-15 01:20:30,556 INFO L443 ceAbstractionStarter]: For program point L501(line 501) no Hoare annotation was computed. [2019-10-15 01:20:30,556 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-15 01:20:30,556 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-15 01:20:30,556 INFO L443 ceAbstractionStarter]: For program point L498(line 498) no Hoare annotation was computed. [2019-10-15 01:20:30,557 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-15 01:20:30,557 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-15 01:20:30,557 INFO L443 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2019-10-15 01:20:30,557 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-15 01:20:30,557 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-15 01:20:30,557 INFO L443 ceAbstractionStarter]: For program point L492(line 492) no Hoare annotation was computed. [2019-10-15 01:20:30,557 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2019-10-15 01:20:30,557 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2019-10-15 01:20:30,558 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2019-10-15 01:20:30,558 INFO L443 ceAbstractionStarter]: For program point L221(lines 221 229) no Hoare annotation was computed. [2019-10-15 01:20:30,558 INFO L443 ceAbstractionStarter]: For program point L221-2(lines 221 229) no Hoare annotation was computed. [2019-10-15 01:20:30,558 INFO L443 ceAbstractionStarter]: For program point L209(lines 209 217) no Hoare annotation was computed. [2019-10-15 01:20:30,558 INFO L443 ceAbstractionStarter]: For program point L209-2(lines 209 217) no Hoare annotation was computed. [2019-10-15 01:20:30,558 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 202 237) no Hoare annotation was computed. [2019-10-15 01:20:30,558 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-10-15 01:20:30,558 INFO L443 ceAbstractionStarter]: For program point L232-1(line 232) no Hoare annotation was computed. [2019-10-15 01:20:30,559 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 202 237) no Hoare annotation was computed. [2019-10-15 01:20:30,559 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 202 237) no Hoare annotation was computed. [2019-10-15 01:20:30,559 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-15 01:20:30,559 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-15 01:20:30,559 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 558 603) no Hoare annotation was computed. [2019-10-15 01:20:30,559 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 558 603) no Hoare annotation was computed. [2019-10-15 01:20:30,559 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 558 603) no Hoare annotation was computed. [2019-10-15 01:20:30,559 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 898) no Hoare annotation was computed. [2019-10-15 01:20:30,560 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 871 916) no Hoare annotation was computed. [2019-10-15 01:20:30,560 INFO L443 ceAbstractionStarter]: For program point L885(lines 885 905) no Hoare annotation was computed. [2019-10-15 01:20:30,560 INFO L443 ceAbstractionStarter]: For program point L885-1(lines 885 905) no Hoare annotation was computed. [2019-10-15 01:20:30,560 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 871 916) no Hoare annotation was computed. [2019-10-15 01:20:30,560 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 871 916) no Hoare annotation was computed. [2019-10-15 01:20:30,560 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 518 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,560 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 518 527) no Hoare annotation was computed. [2019-10-15 01:20:30,561 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 518 527) no Hoare annotation was computed. [2019-10-15 01:20:30,561 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 182 192) the Hoare annotation is: true [2019-10-15 01:20:30,561 INFO L446 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: true [2019-10-15 01:20:30,561 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2019-10-15 01:20:30,561 INFO L443 ceAbstractionStarter]: For program point L187-1(line 187) no Hoare annotation was computed. [2019-10-15 01:20:30,561 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 182 192) no Hoare annotation was computed. [2019-10-15 01:20:30,561 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 174 181) no Hoare annotation was computed. [2019-10-15 01:20:30,562 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2019-10-15 01:20:30,562 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 174 181) no Hoare annotation was computed. [2019-10-15 01:20:30,562 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2019-10-15 01:20:30,562 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2019-10-15 01:20:30,562 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2019-10-15 01:20:30,562 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2019-10-15 01:20:30,562 INFO L439 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2) (or .cse4 .cse1 .cse2 .cse0) (or .cse5 .cse2 .cse3))) [2019-10-15 01:20:30,562 INFO L443 ceAbstractionStarter]: For program point L129-1(line 129) no Hoare annotation was computed. [2019-10-15 01:20:30,563 INFO L443 ceAbstractionStarter]: For program point L127(lines 127 144) no Hoare annotation was computed. [2019-10-15 01:20:30,563 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 123 147) no Hoare annotation was computed. [2019-10-15 01:20:30,563 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 123 147) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse0) (or .cse5 .cse6 .cse2 .cse3) (or .cse4 .cse6 .cse5 .cse2))) [2019-10-15 01:20:30,563 INFO L439 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse5 .cse1 .cse2) (or .cse3 .cse5 .cse4 .cse1))) [2019-10-15 01:20:30,563 INFO L443 ceAbstractionStarter]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2019-10-15 01:20:30,564 INFO L439 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (not (= ~waterLevel~0 2)) (= ~pumpRunning~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse2 .cse4) (or .cse0 .cse5 .cse3) (or .cse5 .cse3 .cse4))) [2019-10-15 01:20:30,564 INFO L439 ceAbstractionStarter]: At program point L133(line 133) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (and (not (= ~waterLevel~0 2)) .cse7)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= 1 processEnvironment_~tmp~0) .cse7))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5 .cse2) (or .cse1 .cse2 .cse6) (or .cse3 .cse2 .cse5 .cse6 .cse4)))) [2019-10-15 01:20:30,564 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 139) no Hoare annotation was computed. [2019-10-15 01:20:30,564 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 115 121) no Hoare annotation was computed. [2019-10-15 01:20:30,564 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 115 121) the Hoare annotation is: true [2019-10-15 01:20:30,564 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 261 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,565 INFO L439 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse3) (and .cse1 .cse3 .cse4) (and .cse1 .cse2 .cse4))) [2019-10-15 01:20:30,565 INFO L439 ceAbstractionStarter]: At program point L314(lines 271 316) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse3 .cse4) (and .cse0 .cse1 .cse3) (and .cse1 .cse2 .cse4))) [2019-10-15 01:20:30,565 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2019-10-15 01:20:30,565 INFO L443 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2019-10-15 01:20:30,565 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 261 324) no Hoare annotation was computed. [2019-10-15 01:20:30,565 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 277) no Hoare annotation was computed. [2019-10-15 01:20:30,565 INFO L439 ceAbstractionStarter]: At program point L317(lines 270 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:30,566 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 311) no Hoare annotation was computed. [2019-10-15 01:20:30,566 INFO L439 ceAbstractionStarter]: At program point L307-2(lines 301 312) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse3) (and .cse1 .cse3 .cse4) (and .cse1 .cse2 .cse4))) [2019-10-15 01:20:30,566 INFO L443 ceAbstractionStarter]: For program point L272(lines 271 316) no Hoare annotation was computed. [2019-10-15 01:20:30,566 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 312) no Hoare annotation was computed. [2019-10-15 01:20:30,566 INFO L439 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse3) (and .cse1 .cse3 .cse4) (and .cse1 .cse2 .cse4))) [2019-10-15 01:20:30,566 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 297) no Hoare annotation was computed. [2019-10-15 01:20:30,566 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 261 324) no Hoare annotation was computed. [2019-10-15 01:20:30,567 INFO L443 ceAbstractionStarter]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2019-10-15 01:20:30,567 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 825 870) no Hoare annotation was computed. [2019-10-15 01:20:30,567 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 825 870) no Hoare annotation was computed. [2019-10-15 01:20:30,567 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 825 870) no Hoare annotation was computed. [2019-10-15 01:20:30,567 INFO L443 ceAbstractionStarter]: For program point L845(lines 845 852) no Hoare annotation was computed. [2019-10-15 01:20:30,567 INFO L443 ceAbstractionStarter]: For program point L839(lines 839 859) no Hoare annotation was computed. [2019-10-15 01:20:30,567 INFO L443 ceAbstractionStarter]: For program point L839-1(lines 839 859) no Hoare annotation was computed. [2019-10-15 01:20:30,567 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 148 155) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-10-15 01:20:30,568 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 148 155) no Hoare annotation was computed. [2019-10-15 01:20:30,568 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 148 155) no Hoare annotation was computed. [2019-10-15 01:20:30,568 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 425) no Hoare annotation was computed. [2019-10-15 01:20:30,568 INFO L443 ceAbstractionStarter]: For program point L417-2(lines 417 425) no Hoare annotation was computed. [2019-10-15 01:20:30,568 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2019-10-15 01:20:30,568 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2019-10-15 01:20:30,568 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 409 431) no Hoare annotation was computed. [2019-10-15 01:20:30,568 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:20:30,568 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:20:30,569 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:20:30,569 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 809) no Hoare annotation was computed. [2019-10-15 01:20:30,569 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 722 824) no Hoare annotation was computed. [2019-10-15 01:20:30,569 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-10-15 01:20:30,569 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-10-15 01:20:30,569 INFO L443 ceAbstractionStarter]: For program point L746(lines 746 750) no Hoare annotation was computed. [2019-10-15 01:20:30,569 INFO L443 ceAbstractionStarter]: For program point L810(lines 810 821) no Hoare annotation was computed. [2019-10-15 01:20:30,569 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 722 824) no Hoare annotation was computed. [2019-10-15 01:20:30,569 INFO L443 ceAbstractionStarter]: For program point L773(lines 773 777) no Hoare annotation was computed. [2019-10-15 01:20:30,570 INFO L443 ceAbstractionStarter]: For program point L771-2(lines 771 791) no Hoare annotation was computed. [2019-10-15 01:20:30,570 INFO L443 ceAbstractionStarter]: For program point L792(lines 770 793) no Hoare annotation was computed. [2019-10-15 01:20:30,570 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 722 824) no Hoare annotation was computed. [2019-10-15 01:20:30,570 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 767) no Hoare annotation was computed. [2019-10-15 01:20:30,570 INFO L443 ceAbstractionStarter]: For program point L811(lines 811 818) no Hoare annotation was computed. [2019-10-15 01:20:30,570 INFO L443 ceAbstractionStarter]: For program point L772(lines 771 791) no Hoare annotation was computed. [2019-10-15 01:20:30,570 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-10-15 01:20:30,570 INFO L443 ceAbstractionStarter]: For program point L803-1(line 803) no Hoare annotation was computed. [2019-10-15 01:20:30,570 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:30,571 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:20:30,571 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:30,571 INFO L443 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2019-10-15 01:20:30,571 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 157 173) no Hoare annotation was computed. [2019-10-15 01:20:30,571 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 157 173) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-10-15 01:20:30,571 INFO L439 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~methaneLevelCritical~0 activatePump_~tmp~1) .cse0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-10-15 01:20:30,572 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 157 173) no Hoare annotation was computed. [2019-10-15 01:20:30,572 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 170) no Hoare annotation was computed. [2019-10-15 01:20:30,572 INFO L439 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-10-15 01:20:30,572 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 238 256) no Hoare annotation was computed. [2019-10-15 01:20:30,572 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2019-10-15 01:20:30,572 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 238 256) the Hoare annotation is: true [2019-10-15 01:20:30,572 INFO L446 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2019-10-15 01:20:30,572 INFO L443 ceAbstractionStarter]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2019-10-15 01:20:30,573 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 238 256) no Hoare annotation was computed. [2019-10-15 01:20:30,573 INFO L443 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2019-10-15 01:20:30,573 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2019-10-15 01:20:30,573 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2019-10-15 01:20:30,573 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2019-10-15 01:20:30,573 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse1 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (= 1 ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3 .cse0) (or .cse5 .cse4 .cse3 .cse6) (or .cse2 .cse3 .cse6 .cse5))) [2019-10-15 01:20:30,573 INFO L443 ceAbstractionStarter]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2019-10-15 01:20:30,573 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2019-10-15 01:20:30,573 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:30,574 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:30,574 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:30,574 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2019-10-15 01:20:30,574 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2019-10-15 01:20:30,574 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2019-10-15 01:20:30,574 INFO L439 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse6 .cse2 .cse3 .cse7 .cse5) (or .cse0 .cse4 .cse3) (or .cse0 .cse2 .cse3 .cse6 .cse7) (or .cse2 .cse3 .cse5 .cse1))) [2019-10-15 01:20:30,574 INFO L443 ceAbstractionStarter]: For program point L95(lines 94 113) no Hoare annotation was computed. [2019-10-15 01:20:30,575 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 91 114) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse8 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse10 (= ~pumpRunning~0 1)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (= |old(~waterLevel~0)| 2)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~waterLevel~0 2))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse3) (or .cse7 .cse1 .cse8 .cse2 .cse9) (or .cse7 .cse4 .cse1 .cse6 .cse2) (or .cse5 .cse2 .cse8 .cse9 .cse3) (or .cse1 .cse8 .cse2 .cse9 .cse3) (or .cse7 .cse1 .cse2 .cse0) (or .cse7 .cse4 .cse5 .cse2 .cse6) (or .cse5 .cse2 .cse3 .cse10) (or .cse7 .cse8 .cse5 .cse2 .cse9) (or .cse10 .cse7 .cse5 .cse2) (or .cse4 .cse1 .cse2 .cse6 .cse3))) [2019-10-15 01:20:30,575 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 91 114) no Hoare annotation was computed. [2019-10-15 01:20:30,575 INFO L439 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (= ~pumpRunning~0 1)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (= |old(~waterLevel~0)| 2)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse10 (not (= ~waterLevel~0 2))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2 .cse6) (or .cse4 .cse7 .cse8 .cse2) (or .cse4 .cse9 .cse1 .cse10 .cse2) (or .cse1 .cse5 .cse2 .cse6 .cse3) (or .cse4 .cse1 .cse2 .cse0) (or .cse7 .cse8 .cse2 .cse3) (or .cse9 .cse1 .cse2 .cse10 .cse3))) [2019-10-15 01:20:30,575 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 91 114) no Hoare annotation was computed. [2019-10-15 01:20:30,576 INFO L439 ceAbstractionStarter]: At program point L102(lines 102 108) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 2)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~waterLevel~0 2))) (.cse10 (= ~pumpRunning~0 0)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3) (or .cse5 .cse2 .cse8 .cse3 .cse9) (or .cse5 .cse1 .cse2 .cse0 .cse3) (or .cse5 .cse2 .cse6 .cse3 .cse10) (or .cse2 .cse8 .cse3 .cse9 .cse4) (or .cse2 .cse3 (and .cse0 .cse10) .cse4 .cse6) (or .cse6 .cse7 .cse3 .cse4))) [2019-10-15 01:20:30,576 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 457 486) no Hoare annotation was computed. [2019-10-15 01:20:30,576 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-15 01:20:30,576 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 457 486) the Hoare annotation is: true [2019-10-15 01:20:30,576 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2019-10-15 01:20:30,576 INFO L446 ceAbstractionStarter]: At program point L471-1(lines 471 475) the Hoare annotation is: true [2019-10-15 01:20:30,576 INFO L443 ceAbstractionStarter]: For program point L468(line 468) no Hoare annotation was computed. [2019-10-15 01:20:30,576 INFO L446 ceAbstractionStarter]: At program point L467-2(lines 467 481) the Hoare annotation is: true [2019-10-15 01:20:30,576 INFO L446 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2019-10-15 01:20:30,577 INFO L443 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2019-10-15 01:20:30,577 INFO L446 ceAbstractionStarter]: At program point L482(lines 457 486) the Hoare annotation is: true [2019-10-15 01:20:30,577 INFO L439 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse4 .cse1) (or (= ~waterLevel~0 2) .cse4 .cse1 .cse2))) [2019-10-15 01:20:30,577 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 328 360) no Hoare annotation was computed. [2019-10-15 01:20:30,577 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2019-10-15 01:20:30,577 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 328 360) the Hoare annotation is: true [2019-10-15 01:20:30,577 INFO L439 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~waterLevel~0 2)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse3 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse5))) [2019-10-15 01:20:30,578 INFO L443 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2019-10-15 01:20:30,578 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2019-10-15 01:20:30,578 INFO L443 ceAbstractionStarter]: For program point L343-1(lines 328 360) no Hoare annotation was computed. [2019-10-15 01:20:30,578 INFO L439 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2019-10-15 01:20:30,578 INFO L443 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2019-10-15 01:20:30,578 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 357) no Hoare annotation was computed. [2019-10-15 01:20:30,578 INFO L446 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: true [2019-10-15 01:20:30,579 INFO L443 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2019-10-15 01:20:30,579 INFO L443 ceAbstractionStarter]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2019-10-15 01:20:30,579 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0 .cse3))) [2019-10-15 01:20:30,579 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2019-10-15 01:20:30,579 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 511 517) no Hoare annotation was computed. [2019-10-15 01:20:30,579 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 511 517) the Hoare annotation is: true [2019-10-15 01:20:30,579 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:30,580 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-15 01:20:30,580 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:30,580 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:30,580 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2019-10-15 01:20:30,580 INFO L443 ceAbstractionStarter]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2019-10-15 01:20:30,580 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse8 (not (= ~waterLevel~0 2))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (= 1 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse1 .cse3 .cse4) (or .cse6 .cse7 .cse5 .cse8 .cse1) (or .cse7 .cse5 .cse1 .cse8 .cse4) (or .cse6 .cse7 .cse0 .cse1 .cse8) (or .cse6 .cse2 .cse0 .cse1 .cse3) (or .cse7 .cse0 .cse1 .cse8 .cse4) (or .cse6 .cse5 .cse2 .cse1 .cse3))) [2019-10-15 01:20:30,580 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2019-10-15 01:20:30,581 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-10-15 01:20:30,581 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2019-10-15 01:20:30,581 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2019-10-15 01:20:30,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:30 BoogieIcfgContainer [2019-10-15 01:20:30,596 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:30,598 INFO L168 Benchmark]: Toolchain (without parser) took 11988.31 ms. Allocated memory was 138.4 MB in the beginning and 373.3 MB in the end (delta: 234.9 MB). Free memory was 102.2 MB in the beginning and 201.9 MB in the end (delta: -99.7 MB). Peak memory consumption was 249.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:30,599 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:30,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.53 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 101.9 MB in the beginning and 172.9 MB in the end (delta: -71.0 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:30,600 INFO L168 Benchmark]: Boogie Preprocessor took 100.22 ms. Allocated memory is still 204.5 MB. Free memory was 172.9 MB in the beginning and 168.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:30,601 INFO L168 Benchmark]: RCFGBuilder took 1115.11 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 168.8 MB in the beginning and 202.4 MB in the end (delta: -33.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:30,601 INFO L168 Benchmark]: TraceAbstraction took 10016.67 ms. Allocated memory was 237.0 MB in the beginning and 373.3 MB in the end (delta: 136.3 MB). Free memory was 202.4 MB in the beginning and 201.9 MB in the end (delta: 522.8 kB). Peak memory consumption was 250.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:30,605 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 751.53 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 101.9 MB in the beginning and 172.9 MB in the end (delta: -71.0 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.22 ms. Allocated memory is still 204.5 MB. Free memory was 172.9 MB in the beginning and 168.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1115.11 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 168.8 MB in the beginning and 202.4 MB in the end (delta: -33.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10016.67 ms. Allocated memory was 237.0 MB in the beginning and 373.3 MB in the end (delta: 136.3 MB). Free memory was 202.4 MB in the beginning and 201.9 MB in the end (delta: 522.8 kB). Peak memory consumption was 250.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 271]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || (((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == splverifierCounter && pumpRunning == 1) && 1 == methaneLevelCritical)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 1)) || ((0 == splverifierCounter && pumpRunning == 0) && 1 == methaneLevelCritical) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 225 locations, 1 error locations. Result: SAFE, OverallTime: 9.9s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, HoareTripleCheckerStatistics: 1650 SDtfs, 722 SDslu, 5912 SDs, 0 SdLazy, 1028 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 297 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=868occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 73 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 1611 PreInvPairs, 1713 NumberOfFragments, 2018 HoareAnnotationTreeSize, 1611 FomulaSimplifications, 1311 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 56 FomulaSimplificationsInter, 7704 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 943 NumberOfCodeBlocks, 943 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1025 ConstructedInterpolants, 0 QuantifiedInterpolants, 149567 SizeOfPredicates, 6 NumberOfNonLiveVariables, 751 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 11/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...