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_spec2_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:19:43,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:19:43,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:19:43,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:19:43,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:19:43,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:19:43,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:19:43,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:19:43,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:19:43,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:19:43,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:19:43,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:19:43,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:19:43,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:19:43,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:19:43,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:19:43,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:19:43,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:19:43,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:19:43,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:19:43,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:19:43,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:19:43,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:19:43,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:19:43,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:19:43,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:19:43,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:19:43,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:19:43,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:19:43,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:19:43,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:19:43,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:19:43,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:19:43,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:19:43,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:19:43,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:19:43,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:19:43,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:19:43,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:19:43,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:19:43,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:19:43,294 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 01:19:43,309 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:19:43,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:19:43,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:19:43,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:19:43,311 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:19:43,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:19:43,311 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:19:43,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:19:43,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:19:43,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:19:43,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:19:43,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:19:43,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:19:43,313 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:19:43,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:19:43,313 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:19:43,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:19:43,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:19:43,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:19:43,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:19:43,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:19:43,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:43,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:19:43,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:19:43,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:19:43,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:19:43,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:19:43,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:19:43,316 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 01:19:43,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:19:43,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:19:43,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:19:43,610 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:19:43,610 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:19:43,611 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2019-10-15 01:19:43,674 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a0a1a110/1cda7b2929514627b30d562a53d084a8/FLAGebce75ec6 [2019-10-15 01:19:44,276 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:19:44,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2019-10-15 01:19:44,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a0a1a110/1cda7b2929514627b30d562a53d084a8/FLAGebce75ec6 [2019-10-15 01:19:44,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a0a1a110/1cda7b2929514627b30d562a53d084a8 [2019-10-15 01:19:44,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:19:44,541 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:19:44,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:44,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:19:44,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:19:44,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:44" (1/1) ... [2019-10-15 01:19:44,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1172d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:44, skipping insertion in model container [2019-10-15 01:19:44,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:44" (1/1) ... [2019-10-15 01:19:44,558 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:19:44,602 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:19:45,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:45,122 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:19:45,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:45,280 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:19:45,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:45 WrapperNode [2019-10-15 01:19:45,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:45,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:19:45,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:19:45,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:19:45,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:45" (1/1) ... [2019-10-15 01:19:45,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:45" (1/1) ... [2019-10-15 01:19:45,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:45" (1/1) ... [2019-10-15 01:19:45,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:45" (1/1) ... [2019-10-15 01:19:45,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:45" (1/1) ... [2019-10-15 01:19:45,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:45" (1/1) ... [2019-10-15 01:19:45,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:45" (1/1) ... [2019-10-15 01:19:45,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:19:45,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:19:45,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:19:45,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:19:45,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:45" (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 01:19:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:19:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:19:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:19:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:19:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:19:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:19:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:19:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:19:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:19:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:19:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:19:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:19:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:19:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:19:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:19:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:19:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:19:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:19:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:19:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:19:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:19:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:19:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:19:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:19:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:19:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:19:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:19:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:19:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:19:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:19:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:19:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:19:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:19:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:19:45,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:19:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:19:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:19:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:19:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:19:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:19:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:19:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:19:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:19:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:19:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:19:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:19:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:19:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:19:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:19:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:19:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:19:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:19:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:19:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:19:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:19:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:19:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:19:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:19:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:19:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:19:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:19:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:19:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:19:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:19:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:19:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:19:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:19:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:19:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:19:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:19:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:19:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:19:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:19:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:19:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:19:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:19:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:19:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:19:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:19:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:19:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:19:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:19:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:19:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:19:46,657 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:19:46,658 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:19:46,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:46 BoogieIcfgContainer [2019-10-15 01:19:46,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:19:46,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:19:46,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:19:46,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:19:46,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:19:44" (1/3) ... [2019-10-15 01:19:46,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273acff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:46, skipping insertion in model container [2019-10-15 01:19:46,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:45" (2/3) ... [2019-10-15 01:19:46,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273acff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:46, skipping insertion in model container [2019-10-15 01:19:46,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:46" (3/3) ... [2019-10-15 01:19:46,669 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2019-10-15 01:19:46,680 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:19:46,691 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:19:46,703 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:19:46,743 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:19:46,743 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:19:46,743 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:19:46,744 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:19:46,744 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:19:46,744 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:19:46,744 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:19:46,745 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:19:46,775 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-10-15 01:19:46,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:19:46,786 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:46,787 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] [2019-10-15 01:19:46,789 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:46,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:46,796 INFO L82 PathProgramCache]: Analyzing trace with hash 652232891, now seen corresponding path program 1 times [2019-10-15 01:19:46,806 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:46,807 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179677128] [2019-10-15 01:19:46,807 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:46,807 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:46,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:47,195 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 01:19:47,196 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179677128] [2019-10-15 01:19:47,197 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:47,198 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:19:47,199 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373676295] [2019-10-15 01:19:47,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:19:47,212 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:47,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:19:47,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:47,230 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2019-10-15 01:19:47,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:47,277 INFO L93 Difference]: Finished difference Result 264 states and 331 transitions. [2019-10-15 01:19:47,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:19:47,278 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-15 01:19:47,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:47,293 INFO L225 Difference]: With dead ends: 264 [2019-10-15 01:19:47,293 INFO L226 Difference]: Without dead ends: 134 [2019-10-15 01:19:47,298 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 01:19:47,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-10-15 01:19:47,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-10-15 01:19:47,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-15 01:19:47,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2019-10-15 01:19:47,361 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2019-10-15 01:19:47,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:47,362 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2019-10-15 01:19:47,362 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:19:47,362 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2019-10-15 01:19:47,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:19:47,372 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:47,372 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 01:19:47,372 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:47,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:47,373 INFO L82 PathProgramCache]: Analyzing trace with hash -564528421, now seen corresponding path program 1 times [2019-10-15 01:19:47,373 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:47,374 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745689574] [2019-10-15 01:19:47,374 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:47,374 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:47,375 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:47,499 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 01:19:47,500 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745689574] [2019-10-15 01:19:47,500 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:47,500 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:47,501 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959368459] [2019-10-15 01:19:47,502 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:47,503 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:47,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:47,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:47,504 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 3 states. [2019-10-15 01:19:47,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:47,527 INFO L93 Difference]: Finished difference Result 207 states and 245 transitions. [2019-10-15 01:19:47,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:47,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-15 01:19:47,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:47,530 INFO L225 Difference]: With dead ends: 207 [2019-10-15 01:19:47,530 INFO L226 Difference]: Without dead ends: 125 [2019-10-15 01:19:47,532 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 01:19:47,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-15 01:19:47,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-10-15 01:19:47,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-15 01:19:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2019-10-15 01:19:47,550 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2019-10-15 01:19:47,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:47,551 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2019-10-15 01:19:47,553 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:47,553 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2019-10-15 01:19:47,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-15 01:19:47,555 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:47,556 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] [2019-10-15 01:19:47,557 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:47,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:47,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1211879035, now seen corresponding path program 1 times [2019-10-15 01:19:47,557 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:47,558 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203320936] [2019-10-15 01:19:47,558 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:47,558 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:47,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:47,769 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 01:19:47,771 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203320936] [2019-10-15 01:19:47,772 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:47,772 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:47,772 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293268385] [2019-10-15 01:19:47,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:47,773 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:47,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:47,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:47,774 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 7 states. [2019-10-15 01:19:48,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:48,341 INFO L93 Difference]: Finished difference Result 370 states and 453 transitions. [2019-10-15 01:19:48,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:19:48,342 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-15 01:19:48,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:48,347 INFO L225 Difference]: With dead ends: 370 [2019-10-15 01:19:48,347 INFO L226 Difference]: Without dead ends: 273 [2019-10-15 01:19:48,348 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:19:48,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2019-10-15 01:19:48,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 265. [2019-10-15 01:19:48,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2019-10-15 01:19:48,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 324 transitions. [2019-10-15 01:19:48,387 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 324 transitions. Word has length 56 [2019-10-15 01:19:48,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:48,388 INFO L462 AbstractCegarLoop]: Abstraction has 265 states and 324 transitions. [2019-10-15 01:19:48,388 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:48,388 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 324 transitions. [2019-10-15 01:19:48,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-15 01:19:48,391 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:48,391 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] [2019-10-15 01:19:48,392 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:48,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:48,392 INFO L82 PathProgramCache]: Analyzing trace with hash -773448372, now seen corresponding path program 1 times [2019-10-15 01:19:48,392 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:48,392 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440410575] [2019-10-15 01:19:48,393 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,393 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:48,571 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 01:19:48,571 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440410575] [2019-10-15 01:19:48,571 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:48,571 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:48,572 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638895731] [2019-10-15 01:19:48,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:48,573 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:48,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:48,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:48,573 INFO L87 Difference]: Start difference. First operand 265 states and 324 transitions. Second operand 6 states. [2019-10-15 01:19:48,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:48,816 INFO L93 Difference]: Finished difference Result 721 states and 906 transitions. [2019-10-15 01:19:48,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:48,817 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-10-15 01:19:48,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:48,822 INFO L225 Difference]: With dead ends: 721 [2019-10-15 01:19:48,822 INFO L226 Difference]: Without dead ends: 484 [2019-10-15 01:19:48,824 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:19:48,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2019-10-15 01:19:48,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 478. [2019-10-15 01:19:48,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2019-10-15 01:19:48,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 588 transitions. [2019-10-15 01:19:48,888 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 588 transitions. Word has length 62 [2019-10-15 01:19:48,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:48,888 INFO L462 AbstractCegarLoop]: Abstraction has 478 states and 588 transitions. [2019-10-15 01:19:48,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:48,888 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 588 transitions. [2019-10-15 01:19:48,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-15 01:19:48,892 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:48,892 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] [2019-10-15 01:19:48,892 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:48,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:48,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1032831448, now seen corresponding path program 1 times [2019-10-15 01:19:48,893 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:48,893 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172693023] [2019-10-15 01:19:48,894 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,894 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:49,041 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 01:19:49,042 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172693023] [2019-10-15 01:19:49,042 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:49,042 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:49,042 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139622061] [2019-10-15 01:19:49,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:49,043 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:49,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:49,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:49,044 INFO L87 Difference]: Start difference. First operand 478 states and 588 transitions. Second operand 7 states. [2019-10-15 01:19:49,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:49,785 INFO L93 Difference]: Finished difference Result 1245 states and 1650 transitions. [2019-10-15 01:19:49,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:19:49,786 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2019-10-15 01:19:49,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:49,798 INFO L225 Difference]: With dead ends: 1245 [2019-10-15 01:19:49,798 INFO L226 Difference]: Without dead ends: 795 [2019-10-15 01:19:49,800 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:19:49,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2019-10-15 01:19:49,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 699. [2019-10-15 01:19:49,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-10-15 01:19:49,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 855 transitions. [2019-10-15 01:19:49,900 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 855 transitions. Word has length 66 [2019-10-15 01:19:49,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:49,902 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 855 transitions. [2019-10-15 01:19:49,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:49,902 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 855 transitions. [2019-10-15 01:19:49,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:19:49,909 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:49,909 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, 1, 1, 1, 1, 1] [2019-10-15 01:19:49,909 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:49,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:49,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1961211398, now seen corresponding path program 1 times [2019-10-15 01:19:49,910 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:49,910 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377366866] [2019-10-15 01:19:49,910 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,910 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:50,053 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 01:19:50,053 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377366866] [2019-10-15 01:19:50,054 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:50,054 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:19:50,054 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970059042] [2019-10-15 01:19:50,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:19:50,055 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:50,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:19:50,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:50,056 INFO L87 Difference]: Start difference. First operand 699 states and 855 transitions. Second operand 4 states. [2019-10-15 01:19:50,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:50,386 INFO L93 Difference]: Finished difference Result 2560 states and 3348 transitions. [2019-10-15 01:19:50,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:19:50,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2019-10-15 01:19:50,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:50,400 INFO L225 Difference]: With dead ends: 2560 [2019-10-15 01:19:50,401 INFO L226 Difference]: Without dead ends: 1889 [2019-10-15 01:19:50,404 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:50,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2019-10-15 01:19:50,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1843. [2019-10-15 01:19:50,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1843 states. [2019-10-15 01:19:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2345 transitions. [2019-10-15 01:19:50,550 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2345 transitions. Word has length 88 [2019-10-15 01:19:50,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:50,551 INFO L462 AbstractCegarLoop]: Abstraction has 1843 states and 2345 transitions. [2019-10-15 01:19:50,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:19:50,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2345 transitions. [2019-10-15 01:19:50,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:19:50,555 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:50,556 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, 1, 1, 1, 1, 1] [2019-10-15 01:19:50,556 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:50,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:50,556 INFO L82 PathProgramCache]: Analyzing trace with hash 608275001, now seen corresponding path program 1 times [2019-10-15 01:19:50,557 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:50,557 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370363486] [2019-10-15 01:19:50,557 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:50,557 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:50,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:50,664 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 01:19:50,665 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370363486] [2019-10-15 01:19:50,665 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:50,665 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:50,665 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614812794] [2019-10-15 01:19:50,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:50,667 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:50,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:50,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:50,668 INFO L87 Difference]: Start difference. First operand 1843 states and 2345 transitions. Second operand 6 states. [2019-10-15 01:19:50,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:50,802 INFO L93 Difference]: Finished difference Result 3718 states and 4842 transitions. [2019-10-15 01:19:50,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:50,803 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-10-15 01:19:50,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:50,821 INFO L225 Difference]: With dead ends: 3718 [2019-10-15 01:19:50,821 INFO L226 Difference]: Without dead ends: 1903 [2019-10-15 01:19:50,828 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:50,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1903 states. [2019-10-15 01:19:50,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1903 to 1903. [2019-10-15 01:19:50,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1903 states. [2019-10-15 01:19:50,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1903 states and 2409 transitions. [2019-10-15 01:19:50,959 INFO L78 Accepts]: Start accepts. Automaton has 1903 states and 2409 transitions. Word has length 88 [2019-10-15 01:19:50,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:50,959 INFO L462 AbstractCegarLoop]: Abstraction has 1903 states and 2409 transitions. [2019-10-15 01:19:50,959 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2409 transitions. [2019-10-15 01:19:50,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:19:50,964 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:50,964 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, 1, 1, 1, 1, 1] [2019-10-15 01:19:50,964 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:50,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:50,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1309874875, now seen corresponding path program 1 times [2019-10-15 01:19:50,965 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:50,965 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664702392] [2019-10-15 01:19:50,968 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:50,968 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:50,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:51,116 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 01:19:51,117 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664702392] [2019-10-15 01:19:51,117 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:51,118 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:19:51,118 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48420074] [2019-10-15 01:19:51,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:51,119 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:51,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:51,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:51,120 INFO L87 Difference]: Start difference. First operand 1903 states and 2409 transitions. Second operand 8 states. [2019-10-15 01:19:51,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:51,220 INFO L93 Difference]: Finished difference Result 3534 states and 4612 transitions. [2019-10-15 01:19:51,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:51,220 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2019-10-15 01:19:51,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:51,233 INFO L225 Difference]: With dead ends: 3534 [2019-10-15 01:19:51,233 INFO L226 Difference]: Without dead ends: 1659 [2019-10-15 01:19:51,239 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:51,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2019-10-15 01:19:51,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1659. [2019-10-15 01:19:51,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1659 states. [2019-10-15 01:19:51,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2059 transitions. [2019-10-15 01:19:51,345 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 2059 transitions. Word has length 88 [2019-10-15 01:19:51,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:51,345 INFO L462 AbstractCegarLoop]: Abstraction has 1659 states and 2059 transitions. [2019-10-15 01:19:51,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2059 transitions. [2019-10-15 01:19:51,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-15 01:19:51,349 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:51,349 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:51,349 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:51,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:51,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1814435734, now seen corresponding path program 1 times [2019-10-15 01:19:51,350 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:51,350 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536651013] [2019-10-15 01:19:51,351 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,351 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:51,424 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 01:19:51,424 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536651013] [2019-10-15 01:19:51,424 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:51,425 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:51,425 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26029614] [2019-10-15 01:19:51,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:51,426 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:51,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:51,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:51,426 INFO L87 Difference]: Start difference. First operand 1659 states and 2059 transitions. Second operand 3 states. [2019-10-15 01:19:51,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:51,548 INFO L93 Difference]: Finished difference Result 2630 states and 3369 transitions. [2019-10-15 01:19:51,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:51,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2019-10-15 01:19:51,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:51,567 INFO L225 Difference]: With dead ends: 2630 [2019-10-15 01:19:51,567 INFO L226 Difference]: Without dead ends: 2627 [2019-10-15 01:19:51,569 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:51,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2627 states. [2019-10-15 01:19:51,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2627 to 2467. [2019-10-15 01:19:51,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2019-10-15 01:19:51,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3173 transitions. [2019-10-15 01:19:51,796 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3173 transitions. Word has length 92 [2019-10-15 01:19:51,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:51,800 INFO L462 AbstractCegarLoop]: Abstraction has 2467 states and 3173 transitions. [2019-10-15 01:19:51,800 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:51,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3173 transitions. [2019-10-15 01:19:51,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-15 01:19:51,812 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:51,813 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-15 01:19:51,813 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:51,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:51,813 INFO L82 PathProgramCache]: Analyzing trace with hash -374585462, now seen corresponding path program 1 times [2019-10-15 01:19:51,814 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:51,814 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662658773] [2019-10-15 01:19:51,814 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,814 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 01:19:52,003 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662658773] [2019-10-15 01:19:52,004 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685995958] [2019-10-15 01:19:52,004 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 01:19:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:52,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:52,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:52,524 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 01:19:52,524 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:53,188 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 01:19:53,188 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:53,189 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:53,189 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762283415] [2019-10-15 01:19:53,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:53,194 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:53,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:53,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:53,196 INFO L87 Difference]: Start difference. First operand 2467 states and 3173 transitions. Second operand 8 states. [2019-10-15 01:19:53,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:53,851 INFO L93 Difference]: Finished difference Result 4726 states and 6152 transitions. [2019-10-15 01:19:53,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:53,852 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2019-10-15 01:19:53,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:53,876 INFO L225 Difference]: With dead ends: 4726 [2019-10-15 01:19:53,876 INFO L226 Difference]: Without dead ends: 2287 [2019-10-15 01:19:53,888 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 285 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:53,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states. [2019-10-15 01:19:54,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 2287. [2019-10-15 01:19:54,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2287 states. [2019-10-15 01:19:54,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 2287 states and 2873 transitions. [2019-10-15 01:19:54,130 INFO L78 Accepts]: Start accepts. Automaton has 2287 states and 2873 transitions. Word has length 150 [2019-10-15 01:19:54,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:54,131 INFO L462 AbstractCegarLoop]: Abstraction has 2287 states and 2873 transitions. [2019-10-15 01:19:54,131 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:54,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 2873 transitions. [2019-10-15 01:19:54,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-15 01:19:54,150 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:54,151 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:54,360 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:54,360 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:54,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:54,361 INFO L82 PathProgramCache]: Analyzing trace with hash -936503095, now seen corresponding path program 1 times [2019-10-15 01:19:54,361 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:54,361 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142811010] [2019-10-15 01:19:54,361 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:54,363 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:54,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:54,538 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-15 01:19:54,539 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142811010] [2019-10-15 01:19:54,539 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708939619] [2019-10-15 01:19:54,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:54,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:19:54,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:54,823 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:54,823 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-15 01:19:55,032 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:55,032 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2019-10-15 01:19:55,032 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259850788] [2019-10-15 01:19:55,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:55,034 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:55,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:55,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:55,035 INFO L87 Difference]: Start difference. First operand 2287 states and 2873 transitions. Second operand 3 states. [2019-10-15 01:19:55,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:55,176 INFO L93 Difference]: Finished difference Result 4061 states and 5175 transitions. [2019-10-15 01:19:55,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:55,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-10-15 01:19:55,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:55,190 INFO L225 Difference]: With dead ends: 4061 [2019-10-15 01:19:55,191 INFO L226 Difference]: Without dead ends: 2118 [2019-10-15 01:19:55,199 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 300 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:55,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2118 states. [2019-10-15 01:19:55,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2118 to 1462. [2019-10-15 01:19:55,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1462 states. [2019-10-15 01:19:55,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 1660 transitions. [2019-10-15 01:19:55,357 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 1660 transitions. Word has length 150 [2019-10-15 01:19:55,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:55,358 INFO L462 AbstractCegarLoop]: Abstraction has 1462 states and 1660 transitions. [2019-10-15 01:19:55,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:55,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1660 transitions. [2019-10-15 01:19:55,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-15 01:19:55,365 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:55,365 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:55,570 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:55,570 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:55,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:55,571 INFO L82 PathProgramCache]: Analyzing trace with hash -2018968461, now seen corresponding path program 1 times [2019-10-15 01:19:55,571 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:55,571 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701459101] [2019-10-15 01:19:55,571 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:55,571 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:55,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:55,653 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-15 01:19:55,653 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701459101] [2019-10-15 01:19:55,653 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:55,654 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:55,654 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577198882] [2019-10-15 01:19:55,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:55,655 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:55,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:55,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:55,656 INFO L87 Difference]: Start difference. First operand 1462 states and 1660 transitions. Second operand 3 states. [2019-10-15 01:19:55,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:55,741 INFO L93 Difference]: Finished difference Result 1655 states and 1889 transitions. [2019-10-15 01:19:55,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:55,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-15 01:19:55,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:55,743 INFO L225 Difference]: With dead ends: 1655 [2019-10-15 01:19:55,743 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:19:55,747 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 01:19:55,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:19:55,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:19:55,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:19:55,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:19:55,749 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2019-10-15 01:19:55,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:55,750 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:19:55,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:55,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:19:55,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:19:55,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:19:57,171 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 29 [2019-10-15 01:19:57,438 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2019-10-15 01:19:58,126 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 53 [2019-10-15 01:19:58,314 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-10-15 01:19:58,541 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2019-10-15 01:19:58,667 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2019-10-15 01:19:58,869 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 37 [2019-10-15 01:19:59,121 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 33 [2019-10-15 01:19:59,499 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 48 [2019-10-15 01:19:59,683 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2019-10-15 01:19:59,878 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 30 [2019-10-15 01:20:00,008 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2019-10-15 01:20:00,141 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2019-10-15 01:20:00,330 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2019-10-15 01:20:00,456 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2019-10-15 01:20:00,591 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-10-15 01:20:00,874 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-10-15 01:20:00,982 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2019-10-15 01:20:01,410 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2019-10-15 01:20:01,648 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 38 [2019-10-15 01:20:01,872 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2019-10-15 01:20:01,985 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2019-10-15 01:20:02,551 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 51 [2019-10-15 01:20:02,554 INFO L443 ceAbstractionStarter]: For program point L671(line 671) no Hoare annotation was computed. [2019-10-15 01:20:02,554 INFO L443 ceAbstractionStarter]: For program point L670-2(lines 670 691) no Hoare annotation was computed. [2019-10-15 01:20:02,554 INFO L443 ceAbstractionStarter]: For program point L692(lines 669 693) no Hoare annotation was computed. [2019-10-15 01:20:02,554 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 645 700) no Hoare annotation was computed. [2019-10-15 01:20:02,555 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 645 700) no Hoare annotation was computed. [2019-10-15 01:20:02,555 INFO L443 ceAbstractionStarter]: For program point L676(lines 676 680) no Hoare annotation was computed. [2019-10-15 01:20:02,555 INFO L443 ceAbstractionStarter]: For program point L676-1(lines 676 680) no Hoare annotation was computed. [2019-10-15 01:20:02,555 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 645 700) no Hoare annotation was computed. [2019-10-15 01:20:02,555 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 737) no Hoare annotation was computed. [2019-10-15 01:20:02,555 INFO L443 ceAbstractionStarter]: For program point L733-1(lines 733 737) no Hoare annotation was computed. [2019-10-15 01:20:02,555 INFO L443 ceAbstractionStarter]: For program point L728(line 728) no Hoare annotation was computed. [2019-10-15 01:20:02,555 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 701 760) no Hoare annotation was computed. [2019-10-15 01:20:02,555 INFO L443 ceAbstractionStarter]: For program point L727-2(lines 727 752) no Hoare annotation was computed. [2019-10-15 01:20:02,555 INFO L443 ceAbstractionStarter]: For program point L753(lines 726 754) no Hoare annotation was computed. [2019-10-15 01:20:02,555 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 701 760) no Hoare annotation was computed. [2019-10-15 01:20:02,555 INFO L443 ceAbstractionStarter]: For program point L746(line 746) no Hoare annotation was computed. [2019-10-15 01:20:02,556 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 701 760) no Hoare annotation was computed. [2019-10-15 01:20:02,556 INFO L443 ceAbstractionStarter]: For program point L746-1(line 746) no Hoare annotation was computed. [2019-10-15 01:20:02,556 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 576 582) the Hoare annotation is: true [2019-10-15 01:20:02,556 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 576 582) no Hoare annotation was computed. [2019-10-15 01:20:02,556 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 583 591) no Hoare annotation was computed. [2019-10-15 01:20:02,556 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 583 591) the Hoare annotation is: true [2019-10-15 01:20:02,556 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 583 591) no Hoare annotation was computed. [2019-10-15 01:20:02,557 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 221 243) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:02,557 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 221 243) no Hoare annotation was computed. [2019-10-15 01:20:02,557 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 221 243) no Hoare annotation was computed. [2019-10-15 01:20:02,557 INFO L439 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-10-15 01:20:02,557 INFO L439 ceAbstractionStarter]: At program point L233-1(line 233) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-10-15 01:20:02,557 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 238) no Hoare annotation was computed. [2019-10-15 01:20:02,557 INFO L443 ceAbstractionStarter]: For program point L231-1(lines 231 238) no Hoare annotation was computed. [2019-10-15 01:20:02,557 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-10-15 01:20:02,558 INFO L439 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:02,558 INFO L439 ceAbstractionStarter]: At program point L227(line 227) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:02,558 INFO L439 ceAbstractionStarter]: At program point L227-1(line 227) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:02,558 INFO L443 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-10-15 01:20:02,558 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 174 197) no Hoare annotation was computed. [2019-10-15 01:20:02,558 INFO L443 ceAbstractionStarter]: For program point L191(line 191) no Hoare annotation was computed. [2019-10-15 01:20:02,558 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-15 01:20:02,558 INFO L443 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2019-10-15 01:20:02,558 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 174 197) no Hoare annotation was computed. [2019-10-15 01:20:02,559 INFO L443 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2019-10-15 01:20:02,559 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 174 197) no Hoare annotation was computed. [2019-10-15 01:20:02,559 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-15 01:20:02,559 INFO L443 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2019-10-15 01:20:02,559 INFO L443 ceAbstractionStarter]: For program point L185(line 185) no Hoare annotation was computed. [2019-10-15 01:20:02,559 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-15 01:20:02,559 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-10-15 01:20:02,559 INFO L443 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2019-10-15 01:20:02,559 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-15 01:20:02,559 INFO L443 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2019-10-15 01:20:02,559 INFO L443 ceAbstractionStarter]: For program point L179(line 179) no Hoare annotation was computed. [2019-10-15 01:20:02,559 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 542 556) no Hoare annotation was computed. [2019-10-15 01:20:02,560 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 542 556) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse2 (and (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse6 (or .cse1 .cse10 .cse11)) (.cse9 (= 0 ~systemActive~0)) (.cse8 (not (= |old(~systemActive~0)| 0))) (.cse4 (or (or .cse10 .cse7) .cse11))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5) (or .cse5 .cse6) (or (or .cse0 .cse3 .cse7) .cse2) (or .cse8 .cse9 .cse6) (or .cse9 .cse8 .cse4)))) [2019-10-15 01:20:02,560 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 542 556) no Hoare annotation was computed. [2019-10-15 01:20:02,560 INFO L439 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or (or .cse4 .cse6) .cse5) (or (or .cse0 .cse3 .cse6) .cse2))) [2019-10-15 01:20:02,560 INFO L443 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2019-10-15 01:20:02,560 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 478 486) no Hoare annotation was computed. [2019-10-15 01:20:02,560 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 478 486) the Hoare annotation is: true [2019-10-15 01:20:02,560 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 478 486) no Hoare annotation was computed. [2019-10-15 01:20:02,560 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 514) no Hoare annotation was computed. [2019-10-15 01:20:02,560 INFO L443 ceAbstractionStarter]: For program point L506-2(lines 506 514) no Hoare annotation was computed. [2019-10-15 01:20:02,560 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 487 522) no Hoare annotation was computed. [2019-10-15 01:20:02,561 INFO L443 ceAbstractionStarter]: For program point L494(lines 494 502) no Hoare annotation was computed. [2019-10-15 01:20:02,561 INFO L443 ceAbstractionStarter]: For program point L494-2(lines 494 502) no Hoare annotation was computed. [2019-10-15 01:20:02,561 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 487 522) no Hoare annotation was computed. [2019-10-15 01:20:02,561 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-15 01:20:02,561 INFO L443 ceAbstractionStarter]: For program point L517-1(line 517) no Hoare annotation was computed. [2019-10-15 01:20:02,561 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 487 522) no Hoare annotation was computed. [2019-10-15 01:20:02,561 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 569 575) no Hoare annotation was computed. [2019-10-15 01:20:02,561 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 569 575) the Hoare annotation is: true [2019-10-15 01:20:02,561 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 599 644) no Hoare annotation was computed. [2019-10-15 01:20:02,561 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 599 644) no Hoare annotation was computed. [2019-10-15 01:20:02,561 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 599 644) no Hoare annotation was computed. [2019-10-15 01:20:02,561 INFO L443 ceAbstractionStarter]: For program point L926(lines 926 946) no Hoare annotation was computed. [2019-10-15 01:20:02,561 INFO L443 ceAbstractionStarter]: For program point L926-1(lines 926 946) no Hoare annotation was computed. [2019-10-15 01:20:02,562 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 912 957) no Hoare annotation was computed. [2019-10-15 01:20:02,562 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 912 957) no Hoare annotation was computed. [2019-10-15 01:20:02,562 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 912 957) no Hoare annotation was computed. [2019-10-15 01:20:02,562 INFO L443 ceAbstractionStarter]: For program point L932(lines 932 939) no Hoare annotation was computed. [2019-10-15 01:20:02,562 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 207 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:02,562 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 207 217) no Hoare annotation was computed. [2019-10-15 01:20:02,562 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 207 217) no Hoare annotation was computed. [2019-10-15 01:20:02,562 INFO L439 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:02,562 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 467 477) the Hoare annotation is: true [2019-10-15 01:20:02,562 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 467 477) no Hoare annotation was computed. [2019-10-15 01:20:02,562 INFO L446 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: true [2019-10-15 01:20:02,563 INFO L443 ceAbstractionStarter]: For program point L472-1(line 472) no Hoare annotation was computed. [2019-10-15 01:20:02,563 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 467 477) no Hoare annotation was computed. [2019-10-15 01:20:02,563 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 459 466) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1))) [2019-10-15 01:20:02,563 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 459 466) no Hoare annotation was computed. [2019-10-15 01:20:02,563 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 459 466) no Hoare annotation was computed. [2019-10-15 01:20:02,563 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-10-15 01:20:02,563 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-10-15 01:20:02,563 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-10-15 01:20:02,563 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2019-10-15 01:20:02,563 INFO L439 ceAbstractionStarter]: At program point L445(line 445) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (or .cse4 .cse5 .cse1 .cse6)) (or .cse0 .cse4 .cse1) (or .cse3 (or .cse5 .cse1 .cse6 .cse2)))) [2019-10-15 01:20:02,564 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 426 450) no Hoare annotation was computed. [2019-10-15 01:20:02,564 INFO L439 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse3 .cse1 .cse4 .cse2) (or .cse5 .cse3 .cse1 .cse4) (or .cse0 .cse5 .cse1))) [2019-10-15 01:20:02,564 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 426 450) no Hoare annotation was computed. [2019-10-15 01:20:02,564 INFO L439 ceAbstractionStarter]: At program point L436(line 436) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 .cse1 .cse5 .cse2) (or .cse6 .cse4 .cse1 .cse5) (or .cse0 .cse6 (and .cse3 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4)) .cse1))) [2019-10-15 01:20:02,564 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 426 450) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse4 .cse3 .cse1) (or .cse5 (or .cse4 .cse6 .cse1 .cse7)) (or .cse5 (or .cse6 .cse1 .cse7 .cse2)))) [2019-10-15 01:20:02,564 INFO L443 ceAbstractionStarter]: For program point L434(lines 434 442) no Hoare annotation was computed. [2019-10-15 01:20:02,564 INFO L439 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 .cse1 .cse5 .cse2) (or .cse6 .cse4 .cse1 .cse5) (or .cse0 .cse6 .cse3 .cse1))) [2019-10-15 01:20:02,564 INFO L443 ceAbstractionStarter]: For program point L432-1(line 432) no Hoare annotation was computed. [2019-10-15 01:20:02,564 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 447) no Hoare annotation was computed. [2019-10-15 01:20:02,565 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 392 398) no Hoare annotation was computed. [2019-10-15 01:20:02,565 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 392 398) the Hoare annotation is: true [2019-10-15 01:20:02,565 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 296 361) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:02,565 INFO L439 ceAbstractionStarter]: At program point L351(lines 306 353) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse7 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse7 .cse5 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:02,565 INFO L439 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse1 .cse3 .cse4 .cse6) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and (and .cse1 .cse3) .cse2 .cse4 .cse6) (and .cse0 .cse7 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse7 .cse5 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:02,565 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 322) no Hoare annotation was computed. [2019-10-15 01:20:02,565 INFO L443 ceAbstractionStarter]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2019-10-15 01:20:02,565 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 296 361) no Hoare annotation was computed. [2019-10-15 01:20:02,566 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-10-15 01:20:02,566 INFO L439 ceAbstractionStarter]: At program point L354(lines 305 355) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:02,566 INFO L439 ceAbstractionStarter]: At program point L344(line 344) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse3 (= 0 test_~splverifierCounter~0)) (.cse4 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:02,566 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 348) no Hoare annotation was computed. [2019-10-15 01:20:02,566 INFO L439 ceAbstractionStarter]: At program point L342-1(lines 336 349) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse3 (= 0 test_~splverifierCounter~0)) (.cse4 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse3 .cse4 .cse5 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse3 .cse4 .cse5) .cse7) (and (and .cse2 .cse3 .cse5) .cse7) (and .cse0 .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:02,566 INFO L443 ceAbstractionStarter]: For program point L307(lines 306 353) no Hoare annotation was computed. [2019-10-15 01:20:02,566 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 349) no Hoare annotation was computed. [2019-10-15 01:20:02,566 INFO L439 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse7 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse7 .cse5 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:02,566 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 332) no Hoare annotation was computed. [2019-10-15 01:20:02,567 INFO L443 ceAbstractionStarter]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2019-10-15 01:20:02,567 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 296 361) no Hoare annotation was computed. [2019-10-15 01:20:02,567 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 866 911) no Hoare annotation was computed. [2019-10-15 01:20:02,567 INFO L443 ceAbstractionStarter]: For program point L886(lines 886 893) no Hoare annotation was computed. [2019-10-15 01:20:02,567 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 866 911) no Hoare annotation was computed. [2019-10-15 01:20:02,567 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 866 911) no Hoare annotation was computed. [2019-10-15 01:20:02,567 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 900) no Hoare annotation was computed. [2019-10-15 01:20:02,567 INFO L443 ceAbstractionStarter]: For program point L880-1(lines 880 900) no Hoare annotation was computed. [2019-10-15 01:20:02,567 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 256 284) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 1))) (let ((.cse8 (not (= ~systemActive~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse7)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (<= 1 ~pumpRunning~0)) .cse6 .cse7 .cse1 .cse2 .cse4) (or .cse6 .cse0 .cse8 .cse1 .cse3 .cse4) (or .cse0 .cse8 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2019-10-15 01:20:02,567 INFO L439 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or (or .cse1 .cse3) .cse4) (or .cse1 .cse2 .cse3) (or .cse5 .cse2 .cse3) (or (or .cse0 .cse1) .cse4) (or .cse5 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2019-10-15 01:20:02,568 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 275) no Hoare annotation was computed. [2019-10-15 01:20:02,568 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 278) no Hoare annotation was computed. [2019-10-15 01:20:02,568 INFO L439 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 1))) (let ((.cse7 (not (= ~systemActive~0 0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not .cse2)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse3 .cse8 .cse5) (or (or .cse6 .cse9) .cse7) (or .cse6 .cse4 .cse9) (or .cse0 .cse4 .cse9) (or .cse1 .cse6 .cse3 .cse4 .cse8 .cse5)))) [2019-10-15 01:20:02,568 INFO L443 ceAbstractionStarter]: For program point L266-1(line 266) no Hoare annotation was computed. [2019-10-15 01:20:02,568 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 281) no Hoare annotation was computed. [2019-10-15 01:20:02,568 INFO L443 ceAbstractionStarter]: For program point L264-1(lines 256 284) no Hoare annotation was computed. [2019-10-15 01:20:02,568 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 1))) (let ((.cse8 (not (= ~systemActive~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse7)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (<= 1 ~pumpRunning~0)) .cse6 .cse7 .cse1 .cse2 .cse4) (or .cse6 .cse0 .cse8 .cse1 .cse3 .cse4) (or .cse0 .cse8 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2019-10-15 01:20:02,568 INFO L443 ceAbstractionStarter]: For program point L262-1(line 262) no Hoare annotation was computed. [2019-10-15 01:20:02,568 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 256 284) no Hoare annotation was computed. [2019-10-15 01:20:02,569 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:20:02,569 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-10-15 01:20:02,569 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:20:02,569 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:20:02,569 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-10-15 01:20:02,569 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 248 255) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:20:02,569 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 248 255) no Hoare annotation was computed. [2019-10-15 01:20:02,569 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 248 255) no Hoare annotation was computed. [2019-10-15 01:20:02,569 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 559 568) no Hoare annotation was computed. [2019-10-15 01:20:02,569 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 559 568) no Hoare annotation was computed. [2019-10-15 01:20:02,569 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 559 568) no Hoare annotation was computed. [2019-10-15 01:20:02,569 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 763 865) no Hoare annotation was computed. [2019-10-15 01:20:02,569 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-15 01:20:02,570 INFO L443 ceAbstractionStarter]: For program point L828-1(line 828) no Hoare annotation was computed. [2019-10-15 01:20:02,570 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 791) no Hoare annotation was computed. [2019-10-15 01:20:02,570 INFO L443 ceAbstractionStarter]: For program point L851(lines 851 862) no Hoare annotation was computed. [2019-10-15 01:20:02,570 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 818) no Hoare annotation was computed. [2019-10-15 01:20:02,570 INFO L443 ceAbstractionStarter]: For program point L812-2(lines 812 832) no Hoare annotation was computed. [2019-10-15 01:20:02,570 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 763 865) no Hoare annotation was computed. [2019-10-15 01:20:02,570 INFO L443 ceAbstractionStarter]: For program point L833(lines 811 834) no Hoare annotation was computed. [2019-10-15 01:20:02,570 INFO L443 ceAbstractionStarter]: For program point L792(lines 792 808) no Hoare annotation was computed. [2019-10-15 01:20:02,570 INFO L443 ceAbstractionStarter]: For program point L852(lines 852 859) no Hoare annotation was computed. [2019-10-15 01:20:02,571 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 763 865) no Hoare annotation was computed. [2019-10-15 01:20:02,571 INFO L443 ceAbstractionStarter]: For program point L813(lines 812 832) no Hoare annotation was computed. [2019-10-15 01:20:02,571 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-15 01:20:02,571 INFO L443 ceAbstractionStarter]: For program point L844-1(line 844) no Hoare annotation was computed. [2019-10-15 01:20:02,571 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 850) no Hoare annotation was computed. [2019-10-15 01:20:02,571 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:02,571 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:20:02,571 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:02,571 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 451 458) no Hoare annotation was computed. [2019-10-15 01:20:02,571 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 451 458) no Hoare annotation was computed. [2019-10-15 01:20:02,572 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 451 458) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:02,572 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2019-10-15 01:20:02,572 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-10-15 01:20:02,572 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-15 01:20:02,572 INFO L443 ceAbstractionStarter]: For program point L530-1(line 530) no Hoare annotation was computed. [2019-10-15 01:20:02,572 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2019-10-15 01:20:02,572 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2019-10-15 01:20:02,572 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2019-10-15 01:20:02,573 INFO L443 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2019-10-15 01:20:02,573 INFO L446 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: true [2019-10-15 01:20:02,573 INFO L443 ceAbstractionStarter]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2019-10-15 01:20:02,573 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-10-15 01:20:02,573 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse7 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (= ~systemActive~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or .cse5 .cse6 (or .cse7 .cse1 .cse3)) (or .cse6 (or .cse8 .cse7 .cse2)) (or .cse6 (or .cse7 .cse1 .cse2 .cse3)) (or .cse8 .cse0 .cse2 .cse3 .cse4) (or (or .cse1 .cse3 .cse4) .cse0 .cse5))) [2019-10-15 01:20:02,573 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-15 01:20:02,573 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:02,573 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:02,574 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:02,574 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-15 01:20:02,574 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-10-15 01:20:02,574 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-15 01:20:02,574 INFO L439 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: (let ((.cse9 (= 0 ~methAndRunningLastTime~0))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse0 (and (= ~pumpRunning~0 0) .cse9)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= ~systemActive~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or .cse2 .cse5 .cse3 .cse6 .cse4 .cse7) (or (or .cse8 .cse1 .cse3 .cse4) .cse9) (or .cse10 (or .cse8 .cse1 .cse3)) (or .cse11 (or .cse1 .cse2)) (or .cse1 .cse2 .cse5 .cse3 .cse6 .cse4) (or .cse0 (or .cse2 .cse3 .cse4 .cse7)) (or .cse10 (or .cse8 .cse3 .cse7)) (or (or .cse2 .cse7) .cse11)))) [2019-10-15 01:20:02,574 INFO L439 ceAbstractionStarter]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0)) (.cse12 (= 0 ~methAndRunningLastTime~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse9 (and .cse11 .cse12)) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and (<= 1 ~pumpRunning~0) (not .cse11) .cse12)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse4 .cse3) .cse5 .cse0) (or .cse0 .cse5 (or .cse6 .cse4)) (or .cse0 (or .cse1 .cse6 .cse2)) (or .cse0 (or .cse4 .cse2 .cse7 .cse3) .cse8) (or .cse6 .cse4 .cse5 .cse9 .cse10 .cse7) (or .cse4 .cse5 .cse9 .cse10 .cse7 .cse3) (or .cse6 .cse4 .cse9 .cse2 .cse10 .cse7) (or .cse4 .cse9 .cse2 .cse10 .cse7 .cse3) (or .cse8 .cse0 (or .cse6 .cse4 .cse2 .cse7))))) [2019-10-15 01:20:02,575 INFO L439 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~systemActive~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse5 .cse1 .cse2) (= 0 ~methAndRunningLastTime~0)) (or .cse6 (or .cse4 .cse5 .cse1)) (or .cse7 (or .cse5 .cse0)) (or .cse6 (or .cse4 .cse1 .cse3)) (or (or .cse0 .cse3) .cse7) (or .cse5 .cse0 .cse1 .cse2))) [2019-10-15 01:20:02,575 INFO L443 ceAbstractionStarter]: For program point L372(lines 371 390) no Hoare annotation was computed. [2019-10-15 01:20:02,575 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 368 391) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (and .cse11 .cse6)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 0))) (.cse3 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse6 (or .cse0 .cse1 .cse5)) (or .cse7 (or .cse0 .cse1 .cse8 .cse5)) (or .cse1 .cse3 .cse8 .cse4 .cse5 .cse9) (or (or .cse10 .cse0 .cse8 .cse5) .cse6) (or (or .cse1 .cse9) .cse2 .cse11) (or .cse12 (or .cse10 .cse0 .cse8)) (or .cse11 .cse2 (or .cse0 .cse1)) (or .cse0 .cse1 .cse3 .cse8 .cse4 .cse5) (or .cse7 (or .cse1 .cse8 .cse5 .cse9)) (or .cse12 (or .cse10 .cse8 .cse9)) (or .cse1 .cse2 (and .cse3 .cse6) .cse4 .cse5 .cse9)))) [2019-10-15 01:20:02,575 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 368 391) no Hoare annotation was computed. [2019-10-15 01:20:02,575 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 368 391) no Hoare annotation was computed. [2019-10-15 01:20:02,575 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2019-10-15 01:20:02,575 INFO L443 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2019-10-15 01:20:02,576 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2019-10-15 01:20:02,576 INFO L446 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2019-10-15 01:20:02,576 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-15 01:20:02,576 INFO L446 ceAbstractionStarter]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2019-10-15 01:20:02,576 INFO L446 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2019-10-15 01:20:02,576 INFO L443 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2019-10-15 01:20:02,576 INFO L446 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2019-10-15 01:20:02,576 INFO L443 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2019-10-15 01:20:02,576 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-15 01:20:02,577 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-15 01:20:02,577 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-10-15 01:20:02,577 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2019-10-15 01:20:02,577 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2019-10-15 01:20:02,577 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:02,577 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) (= 0 ~methAndRunningLastTime~0)) [2019-10-15 01:20:02,577 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:02,577 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:02,578 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 400 424) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse2 (or (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse0 .cse4)) (or .cse2 (or .cse3 .cse0 .cse4 .cse1)))) [2019-10-15 01:20:02,578 INFO L439 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= ~pumpRunning~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or .cse2 .cse0 .cse3 .cse1) .cse4) (or .cse4 (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse0 .cse3)))) [2019-10-15 01:20:02,578 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 400 424) no Hoare annotation was computed. [2019-10-15 01:20:02,578 INFO L439 ceAbstractionStarter]: At program point L410(line 410) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (not (= 1 ~waterLevel~0)) (= ~pumpRunning~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or .cse2 .cse0 .cse3 .cse1) .cse4) (or .cse4 (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse0 .cse3)))) [2019-10-15 01:20:02,578 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 416) no Hoare annotation was computed. [2019-10-15 01:20:02,579 INFO L439 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 (or (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse0 .cse4)) (or .cse2 (or .cse3 .cse0 .cse4 .cse1)))) [2019-10-15 01:20:02,579 INFO L443 ceAbstractionStarter]: For program point L406-1(line 406) no Hoare annotation was computed. [2019-10-15 01:20:02,579 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 421) no Hoare annotation was computed. [2019-10-15 01:20:02,579 INFO L439 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse2 .cse0 .cse3 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse0 .cse3))) [2019-10-15 01:20:02,579 INFO L443 ceAbstractionStarter]: For program point L419-1(lines 400 424) no Hoare annotation was computed. [2019-10-15 01:20:02,579 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-10-15 01:20:02,579 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-15 01:20:02,579 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~systemActive~0 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 1 ~waterLevel~0)) (.cse6 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse6 .cse3 .cse4 .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse6 .cse3 .cse4))) [2019-10-15 01:20:02,579 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 286 293) no Hoare annotation was computed. [2019-10-15 01:20:02,579 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 286 293) the Hoare annotation is: true [2019-10-15 01:20:02,580 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2019-10-15 01:20:02,580 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 286 293) no Hoare annotation was computed. [2019-10-15 01:20:02,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:02 BoogieIcfgContainer [2019-10-15 01:20:02,596 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:02,598 INFO L168 Benchmark]: Toolchain (without parser) took 18057.59 ms. Allocated memory was 143.1 MB in the beginning and 537.4 MB in the end (delta: 394.3 MB). Free memory was 101.8 MB in the beginning and 204.1 MB in the end (delta: -102.4 MB). Peak memory consumption was 349.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:02,599 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.1 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:02,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.00 ms. Allocated memory was 143.1 MB in the beginning and 202.9 MB in the end (delta: 59.8 MB). Free memory was 101.6 MB in the beginning and 169.2 MB in the end (delta: -67.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:02,601 INFO L168 Benchmark]: Boogie Preprocessor took 91.34 ms. Allocated memory is still 202.9 MB. Free memory was 169.2 MB in the beginning and 165.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:02,601 INFO L168 Benchmark]: RCFGBuilder took 1286.84 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 164.5 MB in the beginning and 196.5 MB in the end (delta: -32.0 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:02,602 INFO L168 Benchmark]: TraceAbstraction took 15935.65 ms. Allocated memory was 235.4 MB in the beginning and 537.4 MB in the end (delta: 302.0 MB). Free memory was 196.5 MB in the beginning and 204.1 MB in the end (delta: -7.6 MB). Peak memory consumption was 351.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:02,605 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 143.1 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 739.00 ms. Allocated memory was 143.1 MB in the beginning and 202.9 MB in the end (delta: 59.8 MB). Free memory was 101.6 MB in the beginning and 169.2 MB in the end (delta: -67.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.34 ms. Allocated memory is still 202.9 MB. Free memory was 169.2 MB in the beginning and 165.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1286.84 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 164.5 MB in the beginning and 196.5 MB in the end (delta: -32.0 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15935.65 ms. Allocated memory was 235.4 MB in the beginning and 537.4 MB in the end (delta: 302.0 MB). Free memory was 196.5 MB in the beginning and 204.1 MB in the end (delta: -7.6 MB). Peak memory consumption was 351.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 290]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((((((((1 == systemActive && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == methAndRunningLastTime) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == systemActive)) || !(0 == \old(pumpRunning))) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && !(1 == waterLevel)) && 0 == splverifierCounter) && 1 <= methaneLevelCritical)) || !(\old(systemActive) == 1)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 15.8s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, HoareTripleCheckerStatistics: 2134 SDtfs, 987 SDslu, 4574 SDs, 0 SdLazy, 1145 SolverSat, 132 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 704 GetRequests, 626 SyntacticMatches, 7 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2467occurred 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: 1.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 972 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 4749 PreInvPairs, 4843 NumberOfFragments, 3337 HoareAnnotationTreeSize, 4749 FomulaSimplifications, 6205 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 62 FomulaSimplificationsInter, 10497 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1403 NumberOfCodeBlocks, 1403 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1687 ConstructedInterpolants, 0 QuantifiedInterpolants, 314105 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1828 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 323/339 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...