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_spec1_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:19:05,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:19:05,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:19:05,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:19:05,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:19:05,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:19:05,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:19:05,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:19:05,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:19:05,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:19:05,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:19:05,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:19:05,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:19:05,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:19:05,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:19:05,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:19:05,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:19:05,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:19:05,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:19:05,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:19:05,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:19:05,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:19:05,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:19:05,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:19:05,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:19:05,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:19:05,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:19:05,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:19:05,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:19:05,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:19:05,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:19:05,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:19:05,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:19:05,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:19:05,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:19:05,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:19:05,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:19:05,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:19:05,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:19:05,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:19:05,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:19:05,297 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 01:19:05,322 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:19:05,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:19:05,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:19:05,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:19:05,326 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:19:05,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:19:05,326 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:19:05,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:19:05,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:19:05,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:19:05,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:19:05,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:19:05,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:19:05,329 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:19:05,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:19:05,329 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:19:05,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:19:05,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:19:05,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:19:05,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:19:05,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:19:05,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:05,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:19:05,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:19:05,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:19:05,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:19:05,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:19:05,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:19:05,332 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 01:19:05,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:19:05,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:19:05,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:19:05,662 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:19:05,662 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:19:05,663 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product48.cil.c [2019-10-15 01:19:05,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8043ab0d1/27e6f7cdb30d46519c2f9d56f1102c28/FLAG505182cc9 [2019-10-15 01:19:06,282 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:19:06,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product48.cil.c [2019-10-15 01:19:06,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8043ab0d1/27e6f7cdb30d46519c2f9d56f1102c28/FLAG505182cc9 [2019-10-15 01:19:06,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8043ab0d1/27e6f7cdb30d46519c2f9d56f1102c28 [2019-10-15 01:19:06,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:19:06,608 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:19:06,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:06,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:19:06,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:19:06,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:06" (1/1) ... [2019-10-15 01:19:06,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443ffe5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:06, skipping insertion in model container [2019-10-15 01:19:06,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:06" (1/1) ... [2019-10-15 01:19:06,629 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:19:06,695 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:19:07,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:07,179 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:19:07,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:07,334 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:19:07,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07 WrapperNode [2019-10-15 01:19:07,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:07,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:19:07,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:19:07,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:19:07,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (1/1) ... [2019-10-15 01:19:07,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (1/1) ... [2019-10-15 01:19:07,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (1/1) ... [2019-10-15 01:19:07,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (1/1) ... [2019-10-15 01:19:07,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (1/1) ... [2019-10-15 01:19:07,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (1/1) ... [2019-10-15 01:19:07,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (1/1) ... [2019-10-15 01:19:07,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:19:07,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:19:07,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:19:07,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:19:07,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (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 01:19:07,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:19:07,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:19:07,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:07,532 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:19:07,532 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:19:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:19:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:19:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:19:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:19:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:19:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:19:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:19:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:19:07,536 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:19:07,536 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:19:07,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:19:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:19:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:19:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:19:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:19:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:19:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:19:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:19:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:19:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:19:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:19:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:19:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:19:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:19:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:19:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:19:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:19:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:19:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:19:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:19:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:19:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:19:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:19:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:19:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:19:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:19:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:19:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:19:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:19:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:19:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:19:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:19:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:19:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:19:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:19:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:19:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:19:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:19:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:19:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:19:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:19:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:19:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:19:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:19:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:19:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:19:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:19:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:19:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:19:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:19:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:19:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:19:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:19:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:19:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:19:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:19:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:19:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:19:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:19:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:19:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:19:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:19:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:19:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:19:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:19:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:19:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:19:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:19:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:19:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:19:08,657 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:19:08,657 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:19:08,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:08 BoogieIcfgContainer [2019-10-15 01:19:08,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:19:08,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:19:08,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:19:08,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:19:08,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:19:06" (1/3) ... [2019-10-15 01:19:08,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cdc5d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:08, skipping insertion in model container [2019-10-15 01:19:08,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (2/3) ... [2019-10-15 01:19:08,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cdc5d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:08, skipping insertion in model container [2019-10-15 01:19:08,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:08" (3/3) ... [2019-10-15 01:19:08,671 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48.cil.c [2019-10-15 01:19:08,683 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:19:08,693 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:19:08,706 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:19:08,750 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:19:08,751 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:19:08,751 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:19:08,751 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:19:08,751 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:19:08,751 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:19:08,751 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:19:08,751 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:19:08,775 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-10-15 01:19:08,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:19:08,785 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:08,786 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:08,788 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:08,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:08,793 INFO L82 PathProgramCache]: Analyzing trace with hash -952681071, now seen corresponding path program 1 times [2019-10-15 01:19:08,802 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:08,803 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70745292] [2019-10-15 01:19:08,803 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:08,803 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:08,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:09,204 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 01:19:09,204 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70745292] [2019-10-15 01:19:09,205 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:09,206 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:19:09,210 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798955085] [2019-10-15 01:19:09,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:19:09,219 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:09,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:19:09,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:09,238 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2019-10-15 01:19:09,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:09,330 INFO L93 Difference]: Finished difference Result 280 states and 349 transitions. [2019-10-15 01:19:09,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:19:09,332 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:19:09,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:09,364 INFO L225 Difference]: With dead ends: 280 [2019-10-15 01:19:09,365 INFO L226 Difference]: Without dead ends: 140 [2019-10-15 01:19:09,375 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 01:19:09,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-15 01:19:09,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-10-15 01:19:09,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-15 01:19:09,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 166 transitions. [2019-10-15 01:19:09,477 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 166 transitions. Word has length 46 [2019-10-15 01:19:09,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:09,479 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 166 transitions. [2019-10-15 01:19:09,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:19:09,479 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 166 transitions. [2019-10-15 01:19:09,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:19:09,492 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:09,492 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:09,493 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:09,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:09,494 INFO L82 PathProgramCache]: Analyzing trace with hash -448216280, now seen corresponding path program 1 times [2019-10-15 01:19:09,494 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:09,495 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122766623] [2019-10-15 01:19:09,495 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:09,495 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:09,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:09,641 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 01:19:09,642 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122766623] [2019-10-15 01:19:09,642 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:09,643 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:09,643 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943929690] [2019-10-15 01:19:09,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:09,646 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:09,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:09,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:09,647 INFO L87 Difference]: Start difference. First operand 140 states and 166 transitions. Second operand 3 states. [2019-10-15 01:19:09,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:09,691 INFO L93 Difference]: Finished difference Result 219 states and 259 transitions. [2019-10-15 01:19:09,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:09,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:19:09,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:09,697 INFO L225 Difference]: With dead ends: 219 [2019-10-15 01:19:09,697 INFO L226 Difference]: Without dead ends: 131 [2019-10-15 01:19:09,700 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 01:19:09,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-15 01:19:09,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-15 01:19:09,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-15 01:19:09,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 154 transitions. [2019-10-15 01:19:09,715 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 154 transitions. Word has length 47 [2019-10-15 01:19:09,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:09,716 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 154 transitions. [2019-10-15 01:19:09,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:09,716 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2019-10-15 01:19:09,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:19:09,718 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:09,718 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 01:19:09,718 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:09,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:09,719 INFO L82 PathProgramCache]: Analyzing trace with hash -673738792, now seen corresponding path program 1 times [2019-10-15 01:19:09,719 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:09,719 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458472457] [2019-10-15 01:19:09,719 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:09,719 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:09,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:09,891 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 01:19:09,892 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458472457] [2019-10-15 01:19:09,892 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:09,892 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:09,892 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579003467] [2019-10-15 01:19:09,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:09,893 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:09,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:09,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:09,894 INFO L87 Difference]: Start difference. First operand 131 states and 154 transitions. Second operand 7 states. [2019-10-15 01:19:10,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:10,440 INFO L93 Difference]: Finished difference Result 395 states and 482 transitions. [2019-10-15 01:19:10,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:19:10,440 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-15 01:19:10,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:10,444 INFO L225 Difference]: With dead ends: 395 [2019-10-15 01:19:10,444 INFO L226 Difference]: Without dead ends: 288 [2019-10-15 01:19:10,446 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 01:19:10,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2019-10-15 01:19:10,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 276. [2019-10-15 01:19:10,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2019-10-15 01:19:10,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 336 transitions. [2019-10-15 01:19:10,483 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 336 transitions. Word has length 52 [2019-10-15 01:19:10,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:10,483 INFO L462 AbstractCegarLoop]: Abstraction has 276 states and 336 transitions. [2019-10-15 01:19:10,483 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:10,483 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 336 transitions. [2019-10-15 01:19:10,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:19:10,486 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:10,486 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:10,486 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:10,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:10,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1909301517, now seen corresponding path program 1 times [2019-10-15 01:19:10,487 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:10,487 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701993345] [2019-10-15 01:19:10,490 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,491 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:10,590 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 01:19:10,590 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701993345] [2019-10-15 01:19:10,590 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:10,591 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:10,591 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187394288] [2019-10-15 01:19:10,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:10,592 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:10,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:10,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:10,593 INFO L87 Difference]: Start difference. First operand 276 states and 336 transitions. Second operand 6 states. [2019-10-15 01:19:10,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:10,836 INFO L93 Difference]: Finished difference Result 765 states and 956 transitions. [2019-10-15 01:19:10,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:10,837 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-15 01:19:10,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:10,842 INFO L225 Difference]: With dead ends: 765 [2019-10-15 01:19:10,842 INFO L226 Difference]: Without dead ends: 513 [2019-10-15 01:19:10,845 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 01:19:10,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2019-10-15 01:19:10,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 507. [2019-10-15 01:19:10,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2019-10-15 01:19:10,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 622 transitions. [2019-10-15 01:19:10,897 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 622 transitions. Word has length 57 [2019-10-15 01:19:10,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:10,898 INFO L462 AbstractCegarLoop]: Abstraction has 507 states and 622 transitions. [2019-10-15 01:19:10,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:10,898 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 622 transitions. [2019-10-15 01:19:10,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-15 01:19:10,901 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:10,901 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] [2019-10-15 01:19:10,901 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:10,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:10,901 INFO L82 PathProgramCache]: Analyzing trace with hash 431982967, now seen corresponding path program 1 times [2019-10-15 01:19:10,902 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:10,902 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541436139] [2019-10-15 01:19:10,902 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,902 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:11,038 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 01:19:11,039 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541436139] [2019-10-15 01:19:11,039 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:11,040 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:11,040 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780302786] [2019-10-15 01:19:11,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:11,041 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:11,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:11,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:11,041 INFO L87 Difference]: Start difference. First operand 507 states and 622 transitions. Second operand 7 states. [2019-10-15 01:19:11,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:11,815 INFO L93 Difference]: Finished difference Result 1346 states and 1759 transitions. [2019-10-15 01:19:11,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:19:11,816 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-15 01:19:11,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:11,823 INFO L225 Difference]: With dead ends: 1346 [2019-10-15 01:19:11,824 INFO L226 Difference]: Without dead ends: 863 [2019-10-15 01:19:11,826 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 01:19:11,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2019-10-15 01:19:11,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 765. [2019-10-15 01:19:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2019-10-15 01:19:11,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 927 transitions. [2019-10-15 01:19:11,898 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 927 transitions. Word has length 61 [2019-10-15 01:19:11,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:11,899 INFO L462 AbstractCegarLoop]: Abstraction has 765 states and 927 transitions. [2019-10-15 01:19:11,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:11,899 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 927 transitions. [2019-10-15 01:19:11,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 01:19:11,903 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:11,904 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:11,904 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:11,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:11,904 INFO L82 PathProgramCache]: Analyzing trace with hash -597595789, now seen corresponding path program 1 times [2019-10-15 01:19:11,905 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:11,905 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034391876] [2019-10-15 01:19:11,905 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,905 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:12,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:12,043 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034391876] [2019-10-15 01:19:12,043 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:12,043 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:19:12,043 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124249958] [2019-10-15 01:19:12,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:19:12,044 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:12,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:19:12,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:12,045 INFO L87 Difference]: Start difference. First operand 765 states and 927 transitions. Second operand 4 states. [2019-10-15 01:19:12,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:12,406 INFO L93 Difference]: Finished difference Result 2836 states and 3648 transitions. [2019-10-15 01:19:12,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:19:12,407 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-10-15 01:19:12,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:12,423 INFO L225 Difference]: With dead ends: 2836 [2019-10-15 01:19:12,423 INFO L226 Difference]: Without dead ends: 2095 [2019-10-15 01:19:12,426 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 01:19:12,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2019-10-15 01:19:12,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2049. [2019-10-15 01:19:12,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2049 states. [2019-10-15 01:19:12,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 2049 states and 2569 transitions. [2019-10-15 01:19:12,569 INFO L78 Accepts]: Start accepts. Automaton has 2049 states and 2569 transitions. Word has length 99 [2019-10-15 01:19:12,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:12,570 INFO L462 AbstractCegarLoop]: Abstraction has 2049 states and 2569 transitions. [2019-10-15 01:19:12,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:19:12,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 2569 transitions. [2019-10-15 01:19:12,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 01:19:12,581 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:12,582 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:12,582 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:12,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:12,582 INFO L82 PathProgramCache]: Analyzing trace with hash -589836430, now seen corresponding path program 1 times [2019-10-15 01:19:12,583 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:12,583 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416819732] [2019-10-15 01:19:12,583 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:12,583 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:12,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:12,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:12,690 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416819732] [2019-10-15 01:19:12,691 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:12,691 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:12,691 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404087129] [2019-10-15 01:19:12,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:12,692 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:12,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:12,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:12,693 INFO L87 Difference]: Start difference. First operand 2049 states and 2569 transitions. Second operand 6 states. [2019-10-15 01:19:12,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:12,824 INFO L93 Difference]: Finished difference Result 4158 states and 5438 transitions. [2019-10-15 01:19:12,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:12,825 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2019-10-15 01:19:12,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:12,844 INFO L225 Difference]: With dead ends: 4158 [2019-10-15 01:19:12,844 INFO L226 Difference]: Without dead ends: 2133 [2019-10-15 01:19:12,855 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 01:19:12,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2019-10-15 01:19:13,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2109. [2019-10-15 01:19:13,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2109 states. [2019-10-15 01:19:13,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2633 transitions. [2019-10-15 01:19:13,036 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2633 transitions. Word has length 99 [2019-10-15 01:19:13,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:13,037 INFO L462 AbstractCegarLoop]: Abstraction has 2109 states and 2633 transitions. [2019-10-15 01:19:13,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:13,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2633 transitions. [2019-10-15 01:19:13,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 01:19:13,044 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:13,044 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:13,044 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:13,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:13,045 INFO L82 PathProgramCache]: Analyzing trace with hash 303649908, now seen corresponding path program 1 times [2019-10-15 01:19:13,048 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:13,048 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622354966] [2019-10-15 01:19:13,049 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:13,049 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:13,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:13,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:13,175 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622354966] [2019-10-15 01:19:13,175 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:13,175 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:19:13,176 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746954041] [2019-10-15 01:19:13,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:13,177 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:13,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:13,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:13,178 INFO L87 Difference]: Start difference. First operand 2109 states and 2633 transitions. Second operand 8 states. [2019-10-15 01:19:13,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:13,276 INFO L93 Difference]: Finished difference Result 3832 states and 4932 transitions. [2019-10-15 01:19:13,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:13,277 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2019-10-15 01:19:13,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:13,289 INFO L225 Difference]: With dead ends: 3832 [2019-10-15 01:19:13,289 INFO L226 Difference]: Without dead ends: 1747 [2019-10-15 01:19:13,299 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 01:19:13,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2019-10-15 01:19:13,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1747. [2019-10-15 01:19:13,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1747 states. [2019-10-15 01:19:13,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2151 transitions. [2019-10-15 01:19:13,408 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2151 transitions. Word has length 99 [2019-10-15 01:19:13,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:13,408 INFO L462 AbstractCegarLoop]: Abstraction has 1747 states and 2151 transitions. [2019-10-15 01:19:13,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:13,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2151 transitions. [2019-10-15 01:19:13,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:19:13,415 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:13,415 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:13,415 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:13,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:13,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1696809349, now seen corresponding path program 1 times [2019-10-15 01:19:13,416 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:13,416 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970803393] [2019-10-15 01:19:13,417 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:13,417 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:13,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:13,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:13,628 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970803393] [2019-10-15 01:19:13,629 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50120301] [2019-10-15 01:19:13,629 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 01:19:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:13,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:13,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:14,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:14,127 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:15,297 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:15,298 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:15,298 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110722684] [2019-10-15 01:19:15,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:15,299 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:15,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:15,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:15,300 INFO L87 Difference]: Start difference. First operand 1747 states and 2151 transitions. Second operand 8 states. [2019-10-15 01:19:15,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:15,640 INFO L93 Difference]: Finished difference Result 3444 states and 4258 transitions. [2019-10-15 01:19:15,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:15,641 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-15 01:19:15,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:15,652 INFO L225 Difference]: With dead ends: 3444 [2019-10-15 01:19:15,652 INFO L226 Difference]: Without dead ends: 1721 [2019-10-15 01:19:15,658 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 189 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:15,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2019-10-15 01:19:15,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1721. [2019-10-15 01:19:15,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2019-10-15 01:19:15,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 2075 transitions. [2019-10-15 01:19:15,778 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 2075 transitions. Word has length 103 [2019-10-15 01:19:15,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:15,781 INFO L462 AbstractCegarLoop]: Abstraction has 1721 states and 2075 transitions. [2019-10-15 01:19:15,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:15,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2075 transitions. [2019-10-15 01:19:15,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-15 01:19:15,789 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:15,790 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1] [2019-10-15 01:19:15,994 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:15,995 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:15,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:15,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1305429528, now seen corresponding path program 1 times [2019-10-15 01:19:15,996 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:15,996 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129097236] [2019-10-15 01:19:15,997 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,997 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:16,205 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 01:19:16,206 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129097236] [2019-10-15 01:19:16,206 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649416421] [2019-10-15 01:19:16,206 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 01:19:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:16,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:16,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:16,644 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 01:19:16,645 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:17,194 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 01:19:17,195 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:17,195 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:17,195 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941743995] [2019-10-15 01:19:17,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:17,196 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:17,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:17,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:17,197 INFO L87 Difference]: Start difference. First operand 1721 states and 2075 transitions. Second operand 8 states. [2019-10-15 01:19:17,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:17,496 INFO L93 Difference]: Finished difference Result 2939 states and 3601 transitions. [2019-10-15 01:19:17,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:17,496 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2019-10-15 01:19:17,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:17,498 INFO L225 Difference]: With dead ends: 2939 [2019-10-15 01:19:17,498 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:19:17,506 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 295 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:17,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:19:17,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:19:17,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:19:17,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:19:17,508 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-10-15 01:19:17,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:17,508 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:19:17,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:17,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:19:17,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:19:17,714 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:17,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:19:19,037 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 22 [2019-10-15 01:19:19,291 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2019-10-15 01:19:19,425 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2019-10-15 01:19:19,974 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2019-10-15 01:19:20,238 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 19 [2019-10-15 01:19:20,991 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2019-10-15 01:19:21,181 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 18 [2019-10-15 01:19:21,563 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2019-10-15 01:19:21,710 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2019-10-15 01:19:21,869 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 19 [2019-10-15 01:19:21,973 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 19 [2019-10-15 01:19:22,134 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2019-10-15 01:19:22,319 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 17 [2019-10-15 01:19:22,537 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2019-10-15 01:19:22,896 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-10-15 01:19:22,978 INFO L443 ceAbstractionStarter]: For program point L321(line 321) no Hoare annotation was computed. [2019-10-15 01:19:22,978 INFO L443 ceAbstractionStarter]: For program point L320-2(lines 320 341) no Hoare annotation was computed. [2019-10-15 01:19:22,978 INFO L443 ceAbstractionStarter]: For program point L342(lines 319 343) no Hoare annotation was computed. [2019-10-15 01:19:22,978 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 295 350) no Hoare annotation was computed. [2019-10-15 01:19:22,978 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 295 350) no Hoare annotation was computed. [2019-10-15 01:19:22,978 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 330) no Hoare annotation was computed. [2019-10-15 01:19:22,979 INFO L443 ceAbstractionStarter]: For program point L326-1(lines 326 330) no Hoare annotation was computed. [2019-10-15 01:19:22,979 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 295 350) no Hoare annotation was computed. [2019-10-15 01:19:22,979 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 387) no Hoare annotation was computed. [2019-10-15 01:19:22,979 INFO L443 ceAbstractionStarter]: For program point L383-1(lines 383 387) no Hoare annotation was computed. [2019-10-15 01:19:22,979 INFO L443 ceAbstractionStarter]: For program point L378(line 378) no Hoare annotation was computed. [2019-10-15 01:19:22,979 INFO L443 ceAbstractionStarter]: For program point L377-2(lines 377 402) no Hoare annotation was computed. [2019-10-15 01:19:22,979 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 351 410) no Hoare annotation was computed. [2019-10-15 01:19:22,979 INFO L443 ceAbstractionStarter]: For program point L403(lines 376 404) no Hoare annotation was computed. [2019-10-15 01:19:22,979 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 351 410) no Hoare annotation was computed. [2019-10-15 01:19:22,979 INFO L443 ceAbstractionStarter]: For program point L396(line 396) no Hoare annotation was computed. [2019-10-15 01:19:22,979 INFO L443 ceAbstractionStarter]: For program point L396-1(line 396) no Hoare annotation was computed. [2019-10-15 01:19:22,980 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 351 410) no Hoare annotation was computed. [2019-10-15 01:19:22,980 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 955 961) the Hoare annotation is: true [2019-10-15 01:19:22,980 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 955 961) no Hoare annotation was computed. [2019-10-15 01:19:22,980 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 962 970) no Hoare annotation was computed. [2019-10-15 01:19:22,980 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 962 970) the Hoare annotation is: true [2019-10-15 01:19:22,980 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 962 970) no Hoare annotation was computed. [2019-10-15 01:19:22,981 INFO L439 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:22,981 INFO L439 ceAbstractionStarter]: At program point L225-1(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:22,981 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 219 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:22,981 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2019-10-15 01:19:22,981 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 219 241) no Hoare annotation was computed. [2019-10-15 01:19:22,982 INFO L439 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:22,982 INFO L439 ceAbstractionStarter]: At program point L231-1(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:22,982 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 236) no Hoare annotation was computed. [2019-10-15 01:19:22,982 INFO L443 ceAbstractionStarter]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2019-10-15 01:19:22,982 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-10-15 01:19:22,982 INFO L439 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:22,982 INFO L443 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-10-15 01:19:22,983 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 174 197) no Hoare annotation was computed. [2019-10-15 01:19:22,983 INFO L443 ceAbstractionStarter]: For program point L191(line 191) no Hoare annotation was computed. [2019-10-15 01:19:22,983 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-15 01:19:22,983 INFO L443 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2019-10-15 01:19:22,983 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 174 197) no Hoare annotation was computed. [2019-10-15 01:19:22,983 INFO L443 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2019-10-15 01:19:22,983 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 174 197) no Hoare annotation was computed. [2019-10-15 01:19:22,983 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-15 01:19:22,984 INFO L443 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2019-10-15 01:19:22,984 INFO L443 ceAbstractionStarter]: For program point L185(line 185) no Hoare annotation was computed. [2019-10-15 01:19:22,984 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-15 01:19:22,984 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-10-15 01:19:22,984 INFO L443 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2019-10-15 01:19:22,984 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-15 01:19:22,984 INFO L443 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2019-10-15 01:19:22,984 INFO L443 ceAbstractionStarter]: For program point L179(line 179) no Hoare annotation was computed. [2019-10-15 01:19:22,985 INFO L439 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:22,985 INFO L443 ceAbstractionStarter]: For program point L695-1(lines 676 700) no Hoare annotation was computed. [2019-10-15 01:19:22,985 INFO L439 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse1 (= processEnvironment__wrappee__methaneQuery_~tmp~5 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:22,985 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 676 700) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 01:19:22,985 INFO L439 ceAbstractionStarter]: At program point L686(line 686) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= 1 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2)))) [2019-10-15 01:19:22,986 INFO L443 ceAbstractionStarter]: For program point L684(lines 684 692) no Hoare annotation was computed. [2019-10-15 01:19:22,986 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 676 700) no Hoare annotation was computed. [2019-10-15 01:19:22,986 INFO L439 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2019-10-15 01:19:22,986 INFO L443 ceAbstractionStarter]: For program point L682-1(line 682) no Hoare annotation was computed. [2019-10-15 01:19:22,986 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 697) no Hoare annotation was computed. [2019-10-15 01:19:22,986 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 835 849) no Hoare annotation was computed. [2019-10-15 01:19:22,986 INFO L439 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (let ((.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3) (or .cse4 .cse5 .cse6) (or .cse2 .cse1 .cse6) (or .cse3 .cse6) (or .cse0 .cse4 .cse5))) [2019-10-15 01:19:22,987 INFO L443 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2019-10-15 01:19:22,987 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 835 849) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 0)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse7) (or (or .cse6 .cse5) .cse7) (or .cse2 .cse1 .cse5) (or .cse0 .cse3 .cse4))) [2019-10-15 01:19:22,987 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 835 849) no Hoare annotation was computed. [2019-10-15 01:19:22,987 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 771 779) no Hoare annotation was computed. [2019-10-15 01:19:22,987 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 771 779) the Hoare annotation is: true [2019-10-15 01:19:22,987 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 771 779) no Hoare annotation was computed. [2019-10-15 01:19:22,987 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 807) no Hoare annotation was computed. [2019-10-15 01:19:22,987 INFO L443 ceAbstractionStarter]: For program point L799-2(lines 799 807) no Hoare annotation was computed. [2019-10-15 01:19:22,988 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 795) no Hoare annotation was computed. [2019-10-15 01:19:22,988 INFO L443 ceAbstractionStarter]: For program point L787-2(lines 787 795) no Hoare annotation was computed. [2019-10-15 01:19:22,988 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 780 815) no Hoare annotation was computed. [2019-10-15 01:19:22,988 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-15 01:19:22,988 INFO L443 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2019-10-15 01:19:22,988 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 780 815) no Hoare annotation was computed. [2019-10-15 01:19:22,988 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 780 815) no Hoare annotation was computed. [2019-10-15 01:19:22,988 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 948 954) no Hoare annotation was computed. [2019-10-15 01:19:22,989 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 948 954) the Hoare annotation is: true [2019-10-15 01:19:22,989 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 249 294) no Hoare annotation was computed. [2019-10-15 01:19:22,989 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 249 294) no Hoare annotation was computed. [2019-10-15 01:19:22,989 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 249 294) no Hoare annotation was computed. [2019-10-15 01:19:22,989 INFO L443 ceAbstractionStarter]: For program point L576(lines 576 596) no Hoare annotation was computed. [2019-10-15 01:19:22,989 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 576 596) no Hoare annotation was computed. [2019-10-15 01:19:22,989 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 562 607) no Hoare annotation was computed. [2019-10-15 01:19:22,989 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 562 607) no Hoare annotation was computed. [2019-10-15 01:19:22,990 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 589) no Hoare annotation was computed. [2019-10-15 01:19:22,990 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 562 607) no Hoare annotation was computed. [2019-10-15 01:19:22,990 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 206 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:22,990 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2019-10-15 01:19:22,990 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2019-10-15 01:19:22,990 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 760 770) the Hoare annotation is: true [2019-10-15 01:19:22,990 INFO L446 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: true [2019-10-15 01:19:22,990 INFO L443 ceAbstractionStarter]: For program point L765-1(line 765) no Hoare annotation was computed. [2019-10-15 01:19:22,990 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 760 770) no Hoare annotation was computed. [2019-10-15 01:19:22,990 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 760 770) no Hoare annotation was computed. [2019-10-15 01:19:22,991 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 752 759) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-15 01:19:22,991 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 752 759) no Hoare annotation was computed. [2019-10-15 01:19:22,991 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 752 759) no Hoare annotation was computed. [2019-10-15 01:19:22,991 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-10-15 01:19:22,991 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-10-15 01:19:22,991 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-10-15 01:19:22,991 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2019-10-15 01:19:22,992 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 702 726) no Hoare annotation was computed. [2019-10-15 01:19:22,992 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 702 726) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-15 01:19:22,992 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-15 01:19:22,992 INFO L443 ceAbstractionStarter]: For program point L721-1(lines 702 726) no Hoare annotation was computed. [2019-10-15 01:19:22,992 INFO L439 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2019-10-15 01:19:22,992 INFO L439 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse4)) (or .cse4 .cse1 .cse2) (or .cse3 .cse0 .cse1))) [2019-10-15 01:19:22,993 INFO L443 ceAbstractionStarter]: For program point L710(lines 710 718) no Hoare annotation was computed. [2019-10-15 01:19:22,993 INFO L439 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse1 .cse3) (or .cse4 .cse0 .cse1))) [2019-10-15 01:19:22,993 INFO L443 ceAbstractionStarter]: For program point L708-1(line 708) no Hoare annotation was computed. [2019-10-15 01:19:22,993 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 723) no Hoare annotation was computed. [2019-10-15 01:19:22,993 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 668 674) no Hoare annotation was computed. [2019-10-15 01:19:22,993 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 668 674) the Hoare annotation is: true [2019-10-15 01:19:22,994 INFO L443 ceAbstractionStarter]: For program point L898-1(lines 898 904) no Hoare annotation was computed. [2019-10-15 01:19:22,994 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 868 935) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:22,994 INFO L439 ceAbstractionStarter]: At program point L925(lines 878 927) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-15 01:19:22,994 INFO L439 ceAbstractionStarter]: At program point L890(line 890) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-15 01:19:22,994 INFO L443 ceAbstractionStarter]: For program point L888(lines 888 894) no Hoare annotation was computed. [2019-10-15 01:19:22,994 INFO L443 ceAbstractionStarter]: For program point L888-1(lines 888 894) no Hoare annotation was computed. [2019-10-15 01:19:22,994 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 868 935) no Hoare annotation was computed. [2019-10-15 01:19:22,995 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2019-10-15 01:19:22,995 INFO L439 ceAbstractionStarter]: At program point L928(lines 877 929) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:22,995 INFO L439 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse4) (and .cse0 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse2))) [2019-10-15 01:19:22,995 INFO L443 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2019-10-15 01:19:22,995 INFO L439 ceAbstractionStarter]: At program point L916-1(lines 908 923) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse4) (and .cse0 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse2))) [2019-10-15 01:19:22,995 INFO L443 ceAbstractionStarter]: For program point L879(lines 878 927) no Hoare annotation was computed. [2019-10-15 01:19:22,996 INFO L439 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:22,996 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 923) no Hoare annotation was computed. [2019-10-15 01:19:22,996 INFO L439 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-15 01:19:22,996 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 868 935) no Hoare annotation was computed. [2019-10-15 01:19:22,996 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 904) no Hoare annotation was computed. [2019-10-15 01:19:22,996 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 516 561) no Hoare annotation was computed. [2019-10-15 01:19:22,996 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 543) no Hoare annotation was computed. [2019-10-15 01:19:22,997 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 516 561) no Hoare annotation was computed. [2019-10-15 01:19:22,997 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 550) no Hoare annotation was computed. [2019-10-15 01:19:22,997 INFO L443 ceAbstractionStarter]: For program point L530-1(lines 530 550) no Hoare annotation was computed. [2019-10-15 01:19:22,997 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 516 561) no Hoare annotation was computed. [2019-10-15 01:19:22,997 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 727 734) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-10-15 01:19:22,997 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 727 734) no Hoare annotation was computed. [2019-10-15 01:19:22,997 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 727 734) no Hoare annotation was computed. [2019-10-15 01:19:22,997 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:19:22,997 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-10-15 01:19:22,998 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:19:22,998 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:19:22,998 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-10-15 01:19:22,998 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 413 515) no Hoare annotation was computed. [2019-10-15 01:19:22,998 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 458) no Hoare annotation was computed. [2019-10-15 01:19:22,998 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 509) no Hoare annotation was computed. [2019-10-15 01:19:22,998 INFO L443 ceAbstractionStarter]: For program point L463(lines 462 482) no Hoare annotation was computed. [2019-10-15 01:19:22,998 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-15 01:19:22,998 INFO L443 ceAbstractionStarter]: For program point L494-1(line 494) no Hoare annotation was computed. [2019-10-15 01:19:22,999 INFO L443 ceAbstractionStarter]: For program point L459(lines 459 500) no Hoare annotation was computed. [2019-10-15 01:19:22,999 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 413 515) no Hoare annotation was computed. [2019-10-15 01:19:22,999 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-15 01:19:22,999 INFO L443 ceAbstractionStarter]: For program point L478-1(line 478) no Hoare annotation was computed. [2019-10-15 01:19:22,999 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 441) no Hoare annotation was computed. [2019-10-15 01:19:22,999 INFO L443 ceAbstractionStarter]: For program point L501(lines 501 512) no Hoare annotation was computed. [2019-10-15 01:19:22,999 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 413 515) no Hoare annotation was computed. [2019-10-15 01:19:22,999 INFO L443 ceAbstractionStarter]: For program point L464(lines 464 468) no Hoare annotation was computed. [2019-10-15 01:19:22,999 INFO L443 ceAbstractionStarter]: For program point L462-2(lines 462 482) no Hoare annotation was computed. [2019-10-15 01:19:23,000 INFO L443 ceAbstractionStarter]: For program point L483(lines 461 484) no Hoare annotation was computed. [2019-10-15 01:19:23,000 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 938 947) no Hoare annotation was computed. [2019-10-15 01:19:23,000 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 938 947) no Hoare annotation was computed. [2019-10-15 01:19:23,000 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 938 947) no Hoare annotation was computed. [2019-10-15 01:19:23,000 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:23,000 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:19:23,000 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:23,001 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 735 751) no Hoare annotation was computed. [2019-10-15 01:19:23,001 INFO L439 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-15 01:19:23,001 INFO L443 ceAbstractionStarter]: For program point L746-1(lines 735 751) no Hoare annotation was computed. [2019-10-15 01:19:23,001 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 735 751) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2019-10-15 01:19:23,001 INFO L443 ceAbstractionStarter]: For program point L742(lines 742 748) no Hoare annotation was computed. [2019-10-15 01:19:23,002 INFO L439 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2019-10-15 01:19:23,002 INFO L443 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2019-10-15 01:19:23,002 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2019-10-15 01:19:23,002 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-10-15 01:19:23,002 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-15 01:19:23,002 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 816 834) no Hoare annotation was computed. [2019-10-15 01:19:23,002 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 829) no Hoare annotation was computed. [2019-10-15 01:19:23,002 INFO L446 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2019-10-15 01:19:23,002 INFO L443 ceAbstractionStarter]: For program point L825-2(lines 825 829) no Hoare annotation was computed. [2019-10-15 01:19:23,003 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-10-15 01:19:23,003 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 816 834) the Hoare annotation is: true [2019-10-15 01:19:23,003 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 816 834) no Hoare annotation was computed. [2019-10-15 01:19:23,003 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-10-15 01:19:23,003 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse0 (<= 1 ~methaneLevelCritical~0)) (or .cse1 (= ~systemActive~0 0) .cse2))) [2019-10-15 01:19:23,003 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-15 01:19:23,003 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:23,003 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:19:23,004 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:23,004 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-15 01:19:23,004 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-10-15 01:19:23,004 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-15 01:19:23,004 INFO L439 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (not .cse5)) (.cse6 (not .cse1)) (.cse7 (not (= 0 ~systemActive~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (= ~systemActive~0 0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse4 .cse0 .cse7) (or .cse8 .cse9 .cse3) (or .cse1 .cse4 .cse0 .cse2) (or .cse5 .cse0 .cse3 .cse6) (or .cse7 .cse0 .cse3) (or .cse4 .cse9 .cse8)))) [2019-10-15 01:19:23,005 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 644 667) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse2 (not .cse11)) (.cse0 (= |old(~waterLevel~0)| 1)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse6 (and .cse11 .cse10)) (.cse7 (not .cse0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and .cse2 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse5 .cse3 .cse8) (or .cse9 .cse1 .cse3) (or .cse5 .cse6 .cse7 .cse3) (or .cse4 .cse1 .cse9) (or .cse4 .cse0 .cse2 .cse1) (or .cse4 .cse0 .cse5 .cse8))))) [2019-10-15 01:19:23,005 INFO L439 ceAbstractionStarter]: At program point L655(lines 655 661) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse10 (not .cse11)) (.cse5 (= |old(~waterLevel~0)| 1)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse2 (and .cse11 .cse9)) (.cse3 (not .cse5)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and .cse10 .cse9)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= 0 ~methaneLevelCritical~0) .cse10 (not (= 0 ~systemActive~0)))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse4 .cse6 .cse7) (or .cse0 .cse5 .cse1 .cse6) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse4 .cse7 .cse9) (or .cse0 .cse8 .cse9))))) [2019-10-15 01:19:23,005 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 644 667) no Hoare annotation was computed. [2019-10-15 01:19:23,005 INFO L439 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or .cse0 .cse3 .cse2))) [2019-10-15 01:19:23,005 INFO L443 ceAbstractionStarter]: For program point L648(lines 647 666) no Hoare annotation was computed. [2019-10-15 01:19:23,005 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 644 667) no Hoare annotation was computed. [2019-10-15 01:19:23,006 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2019-10-15 01:19:23,006 INFO L443 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2019-10-15 01:19:23,006 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2019-10-15 01:19:23,006 INFO L446 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2019-10-15 01:19:23,006 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-15 01:19:23,006 INFO L446 ceAbstractionStarter]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2019-10-15 01:19:23,006 INFO L446 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2019-10-15 01:19:23,006 INFO L443 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2019-10-15 01:19:23,006 INFO L446 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2019-10-15 01:19:23,007 INFO L443 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2019-10-15 01:19:23,007 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-15 01:19:23,007 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-15 01:19:23,007 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-10-15 01:19:23,007 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2019-10-15 01:19:23,007 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2019-10-15 01:19:23,007 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:23,008 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-15 01:19:23,008 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:19:23,008 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:23,008 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2019-10-15 01:19:23,008 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: true [2019-10-15 01:19:23,008 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2019-10-15 01:19:23,008 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-10-15 01:19:23,008 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-15 01:19:23,009 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:23,009 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 859 866) no Hoare annotation was computed. [2019-10-15 01:19:23,009 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2019-10-15 01:19:23,009 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 859 866) the Hoare annotation is: true [2019-10-15 01:19:23,009 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 859 866) no Hoare annotation was computed. [2019-10-15 01:19:23,009 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 611 635) the Hoare annotation is: true [2019-10-15 01:19:23,009 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 611 635) no Hoare annotation was computed. [2019-10-15 01:19:23,010 INFO L439 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0) (or .cse1 .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2019-10-15 01:19:23,010 INFO L443 ceAbstractionStarter]: For program point L623(lines 623 629) no Hoare annotation was computed. [2019-10-15 01:19:23,010 INFO L439 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-15 01:19:23,010 INFO L443 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2019-10-15 01:19:23,010 INFO L443 ceAbstractionStarter]: For program point L619(lines 619 632) no Hoare annotation was computed. [2019-10-15 01:19:23,010 INFO L443 ceAbstractionStarter]: For program point L619-1(lines 611 635) no Hoare annotation was computed. [2019-10-15 01:19:23,010 INFO L446 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: true [2019-10-15 01:19:23,010 INFO L443 ceAbstractionStarter]: For program point L617-1(line 617) no Hoare annotation was computed. [2019-10-15 01:19:23,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:19:23 BoogieIcfgContainer [2019-10-15 01:19:23,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:19:23,029 INFO L168 Benchmark]: Toolchain (without parser) took 16422.90 ms. Allocated memory was 145.8 MB in the beginning and 475.0 MB in the end (delta: 329.3 MB). Free memory was 102.4 MB in the beginning and 86.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 354.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:23,030 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-15 01:19:23,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.61 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 102.0 MB in the beginning and 169.7 MB in the end (delta: -67.6 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:23,032 INFO L168 Benchmark]: Boogie Preprocessor took 120.59 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:23,033 INFO L168 Benchmark]: RCFGBuilder took 1202.24 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 165.6 MB in the beginning and 195.9 MB in the end (delta: -30.3 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:23,034 INFO L168 Benchmark]: TraceAbstraction took 14366.76 ms. Allocated memory was 236.5 MB in the beginning and 475.0 MB in the end (delta: 238.6 MB). Free memory was 195.9 MB in the beginning and 86.7 MB in the end (delta: 109.2 MB). Peak memory consumption was 357.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:23,038 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 723.61 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 102.0 MB in the beginning and 169.7 MB in the end (delta: -67.6 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.59 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1202.24 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 165.6 MB in the beginning and 195.9 MB in the end (delta: -30.3 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14366.76 ms. Allocated memory was 236.5 MB in the beginning and 475.0 MB in the end (delta: 238.6 MB). Free memory was 195.9 MB in the beginning and 86.7 MB in the end (delta: 109.2 MB). Peak memory consumption was 357.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: 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: 878]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0)) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. Result: SAFE, OverallTime: 14.2s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, HoareTripleCheckerStatistics: 1944 SDtfs, 981 SDslu, 4361 SDs, 0 SdLazy, 1433 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 616 GetRequests, 518 SyntacticMatches, 12 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2109occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 186 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 4398 PreInvPairs, 4655 NumberOfFragments, 1788 HoareAnnotationTreeSize, 4398 FomulaSimplifications, 4128 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 65 FomulaSimplificationsInter, 14330 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1076 NumberOfCodeBlocks, 1076 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1320 ConstructedInterpolants, 0 QuantifiedInterpolants, 225382 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1687 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 157/165 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...