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_spec5_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:21:54,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:21:54,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:21:54,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:21:54,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:21:54,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:21:54,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:21:54,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:21:54,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:21:54,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:21:54,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:21:54,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:21:54,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:21:54,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:21:54,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:21:54,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:21:54,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:21:54,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:21:54,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:21:54,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:21:54,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:21:54,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:21:54,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:21:54,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:21:54,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:21:54,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:21:54,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:21:54,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:21:54,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:21:54,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:21:54,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:21:54,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:21:54,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:21:54,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:21:54,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:21:54,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:21:54,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:21:54,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:21:54,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:21:54,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:21:54,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:21:54,436 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 01:21:54,461 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:21:54,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:21:54,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:21:54,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:21:54,464 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:21:54,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:21:54,464 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:21:54,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:21:54,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:21:54,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:21:54,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:21:54,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:21:54,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:21:54,467 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:21:54,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:21:54,467 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:21:54,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:21:54,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:21:54,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:21:54,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:21:54,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:21:54,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:54,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:21:54,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:21:54,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:21:54,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:21:54,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:21:54,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:21:54,470 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 01:21:54,755 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:21:54,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:21:54,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:21:54,777 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:21:54,778 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:21:54,778 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2019-10-15 01:21:54,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7a24eb7a/889f392d9aa84278a1284f9b1ce33429/FLAGa6adce04c [2019-10-15 01:21:55,394 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:21:55,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2019-10-15 01:21:55,414 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7a24eb7a/889f392d9aa84278a1284f9b1ce33429/FLAGa6adce04c [2019-10-15 01:21:55,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7a24eb7a/889f392d9aa84278a1284f9b1ce33429 [2019-10-15 01:21:55,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:21:55,693 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:21:55,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:55,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:21:55,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:21:55,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:55" (1/1) ... [2019-10-15 01:21:55,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574a651b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:55, skipping insertion in model container [2019-10-15 01:21:55,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:55" (1/1) ... [2019-10-15 01:21:55,713 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:21:55,773 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:21:56,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:56,190 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:21:56,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:56,329 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:21:56,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:56 WrapperNode [2019-10-15 01:21:56,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:56,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:21:56,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:21:56,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:21:56,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:56" (1/1) ... [2019-10-15 01:21:56,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:56" (1/1) ... [2019-10-15 01:21:56,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:56" (1/1) ... [2019-10-15 01:21:56,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:56" (1/1) ... [2019-10-15 01:21:56,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:56" (1/1) ... [2019-10-15 01:21:56,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:56" (1/1) ... [2019-10-15 01:21:56,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:56" (1/1) ... [2019-10-15 01:21:56,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:21:56,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:21:56,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:21:56,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:21:56,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:56" (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 01:21:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:21:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:21:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:21:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:21:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:21:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:21:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:21:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:21:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:21:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:21:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:21:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:21:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:21:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 01:21:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:21:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:21:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:21:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:21:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:21:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:21:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:21:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:21:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:21:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:21:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:21:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:21:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:21:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:21:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:21:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:21:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:21:56,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:21:56,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:21:56,582 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:21:56,582 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:21:56,582 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:21:56,582 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:21:56,583 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:21:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:21:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:21:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:21:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:21:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:21:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:21:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:21:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:21:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:21:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:21:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:21:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:21:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:21:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:21:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:21:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:21:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:21:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:21:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:21:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:21:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:21:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:21:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:21:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:21:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 01:21:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:21:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:21:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:21:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:21:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:21:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:21:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:21:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:21:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:21:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:21:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:21:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:21:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:21:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:21:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:21:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:21:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:21:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:21:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:21:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:21:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:21:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:21:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:21:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:21:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:21:56,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:21:56,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:21:57,823 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:21:57,824 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:21:57,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:57 BoogieIcfgContainer [2019-10-15 01:21:57,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:21:57,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:21:57,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:21:57,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:21:57,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:21:55" (1/3) ... [2019-10-15 01:21:57,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60158977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:57, skipping insertion in model container [2019-10-15 01:21:57,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:56" (2/3) ... [2019-10-15 01:21:57,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60158977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:57, skipping insertion in model container [2019-10-15 01:21:57,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:57" (3/3) ... [2019-10-15 01:21:57,834 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2019-10-15 01:21:57,844 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:21:57,860 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:21:57,873 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:21:57,922 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:21:57,922 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:21:57,922 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:21:57,922 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:21:57,924 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:21:57,925 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:21:57,925 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:21:57,925 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:21:57,952 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2019-10-15 01:21:57,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 01:21:57,963 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:57,964 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] [2019-10-15 01:21:57,966 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:57,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:57,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1747867680, now seen corresponding path program 1 times [2019-10-15 01:21:57,982 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:57,983 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46582711] [2019-10-15 01:21:57,983 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:57,984 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:57,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:58,364 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 01:21:58,366 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46582711] [2019-10-15 01:21:58,367 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:58,368 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:21:58,369 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807030875] [2019-10-15 01:21:58,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:58,377 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:58,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:58,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:58,395 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 2 states. [2019-10-15 01:21:58,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:58,442 INFO L93 Difference]: Finished difference Result 328 states and 405 transitions. [2019-10-15 01:21:58,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:58,444 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-15 01:21:58,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:58,459 INFO L225 Difference]: With dead ends: 328 [2019-10-15 01:21:58,459 INFO L226 Difference]: Without dead ends: 166 [2019-10-15 01:21:58,465 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 01:21:58,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-10-15 01:21:58,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2019-10-15 01:21:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-10-15 01:21:58,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 196 transitions. [2019-10-15 01:21:58,531 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 196 transitions. Word has length 59 [2019-10-15 01:21:58,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:58,531 INFO L462 AbstractCegarLoop]: Abstraction has 166 states and 196 transitions. [2019-10-15 01:21:58,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:58,532 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 196 transitions. [2019-10-15 01:21:58,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-15 01:21:58,536 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:58,536 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] [2019-10-15 01:21:58,537 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:58,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:58,537 INFO L82 PathProgramCache]: Analyzing trace with hash 2102602730, now seen corresponding path program 1 times [2019-10-15 01:21:58,538 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:58,538 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555707942] [2019-10-15 01:21:58,538 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:58,538 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:58,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:58,705 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 01:21:58,706 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555707942] [2019-10-15 01:21:58,706 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:58,706 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:21:58,707 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900022182] [2019-10-15 01:21:58,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:21:58,709 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:58,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:21:58,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:58,711 INFO L87 Difference]: Start difference. First operand 166 states and 196 transitions. Second operand 3 states. [2019-10-15 01:21:58,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:58,769 INFO L93 Difference]: Finished difference Result 267 states and 315 transitions. [2019-10-15 01:21:58,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:21:58,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-15 01:21:58,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:58,772 INFO L225 Difference]: With dead ends: 267 [2019-10-15 01:21:58,773 INFO L226 Difference]: Without dead ends: 157 [2019-10-15 01:21:58,775 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 01:21:58,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-10-15 01:21:58,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-10-15 01:21:58,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-10-15 01:21:58,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 184 transitions. [2019-10-15 01:21:58,793 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 184 transitions. Word has length 60 [2019-10-15 01:21:58,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:58,794 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 184 transitions. [2019-10-15 01:21:58,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:21:58,794 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 184 transitions. [2019-10-15 01:21:58,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-15 01:21:58,797 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:58,798 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] [2019-10-15 01:21:58,798 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:58,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:58,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1388581610, now seen corresponding path program 1 times [2019-10-15 01:21:58,799 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:58,799 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936654698] [2019-10-15 01:21:58,799 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:58,799 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:58,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:59,021 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 01:21:59,022 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936654698] [2019-10-15 01:21:59,022 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:59,022 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:59,023 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18817643] [2019-10-15 01:21:59,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:59,024 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:59,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:59,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:59,025 INFO L87 Difference]: Start difference. First operand 157 states and 184 transitions. Second operand 7 states. [2019-10-15 01:21:59,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:59,653 INFO L93 Difference]: Finished difference Result 471 states and 572 transitions. [2019-10-15 01:21:59,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:21:59,654 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-15 01:21:59,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:59,658 INFO L225 Difference]: With dead ends: 471 [2019-10-15 01:21:59,659 INFO L226 Difference]: Without dead ends: 342 [2019-10-15 01:21:59,661 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:21:59,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2019-10-15 01:21:59,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 330. [2019-10-15 01:21:59,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2019-10-15 01:21:59,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 400 transitions. [2019-10-15 01:21:59,727 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 400 transitions. Word has length 65 [2019-10-15 01:21:59,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:59,728 INFO L462 AbstractCegarLoop]: Abstraction has 330 states and 400 transitions. [2019-10-15 01:21:59,728 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:59,729 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 400 transitions. [2019-10-15 01:21:59,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-15 01:21:59,742 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:59,743 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] [2019-10-15 01:21:59,743 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:59,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:59,743 INFO L82 PathProgramCache]: Analyzing trace with hash -262157671, now seen corresponding path program 1 times [2019-10-15 01:21:59,744 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:59,744 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706959859] [2019-10-15 01:21:59,744 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:59,745 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:59,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:59,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:21:59,903 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706959859] [2019-10-15 01:21:59,903 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:59,903 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:59,903 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737607957] [2019-10-15 01:21:59,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:59,904 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:59,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:59,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:59,905 INFO L87 Difference]: Start difference. First operand 330 states and 400 transitions. Second operand 7 states. [2019-10-15 01:22:00,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:00,749 INFO L93 Difference]: Finished difference Result 832 states and 1080 transitions. [2019-10-15 01:22:00,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:22:00,750 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-15 01:22:00,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:00,755 INFO L225 Difference]: With dead ends: 832 [2019-10-15 01:22:00,755 INFO L226 Difference]: Without dead ends: 530 [2019-10-15 01:22:00,757 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:22:00,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2019-10-15 01:22:00,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 476. [2019-10-15 01:22:00,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2019-10-15 01:22:00,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 573 transitions. [2019-10-15 01:22:00,823 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 573 transitions. Word has length 70 [2019-10-15 01:22:00,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:00,824 INFO L462 AbstractCegarLoop]: Abstraction has 476 states and 573 transitions. [2019-10-15 01:22:00,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:22:00,824 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 573 transitions. [2019-10-15 01:22:00,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-15 01:22:00,826 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:00,826 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] [2019-10-15 01:22:00,827 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:00,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:00,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1621424268, now seen corresponding path program 1 times [2019-10-15 01:22:00,827 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:00,828 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265246462] [2019-10-15 01:22:00,828 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:00,828 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:00,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:00,927 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 01:22:00,928 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265246462] [2019-10-15 01:22:00,928 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:00,929 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:22:00,929 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264762706] [2019-10-15 01:22:00,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:22:00,931 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:00,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:22:00,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:22:00,932 INFO L87 Difference]: Start difference. First operand 476 states and 573 transitions. Second operand 6 states. [2019-10-15 01:22:00,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:00,994 INFO L93 Difference]: Finished difference Result 934 states and 1147 transitions. [2019-10-15 01:22:00,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:22:00,995 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-10-15 01:22:00,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:00,999 INFO L225 Difference]: With dead ends: 934 [2019-10-15 01:22:01,000 INFO L226 Difference]: Without dead ends: 486 [2019-10-15 01:22:01,002 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 01:22:01,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2019-10-15 01:22:01,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2019-10-15 01:22:01,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2019-10-15 01:22:01,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 583 transitions. [2019-10-15 01:22:01,040 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 583 transitions. Word has length 98 [2019-10-15 01:22:01,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:01,041 INFO L462 AbstractCegarLoop]: Abstraction has 486 states and 583 transitions. [2019-10-15 01:22:01,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:22:01,041 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 583 transitions. [2019-10-15 01:22:01,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-15 01:22:01,043 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:01,044 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] [2019-10-15 01:22:01,044 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:01,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:01,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1693810826, now seen corresponding path program 1 times [2019-10-15 01:22:01,045 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:01,045 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691711453] [2019-10-15 01:22:01,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:01,178 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 01:22:01,179 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691711453] [2019-10-15 01:22:01,180 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:01,181 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:22:01,181 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190760663] [2019-10-15 01:22:01,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:22:01,182 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:01,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:22:01,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:22:01,183 INFO L87 Difference]: Start difference. First operand 486 states and 583 transitions. Second operand 8 states. [2019-10-15 01:22:01,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:01,237 INFO L93 Difference]: Finished difference Result 958 states and 1190 transitions. [2019-10-15 01:22:01,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:22:01,237 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-10-15 01:22:01,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:01,243 INFO L225 Difference]: With dead ends: 958 [2019-10-15 01:22:01,243 INFO L226 Difference]: Without dead ends: 500 [2019-10-15 01:22:01,245 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 01:22:01,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2019-10-15 01:22:01,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 494. [2019-10-15 01:22:01,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2019-10-15 01:22:01,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 591 transitions. [2019-10-15 01:22:01,304 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 591 transitions. Word has length 98 [2019-10-15 01:22:01,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:01,305 INFO L462 AbstractCegarLoop]: Abstraction has 494 states and 591 transitions. [2019-10-15 01:22:01,305 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:22:01,305 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 591 transitions. [2019-10-15 01:22:01,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-15 01:22:01,310 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:01,310 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] [2019-10-15 01:22:01,311 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:01,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:01,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1364045065, now seen corresponding path program 1 times [2019-10-15 01:22:01,311 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:01,312 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946980422] [2019-10-15 01:22:01,312 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,312 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:01,441 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 01:22:01,441 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946980422] [2019-10-15 01:22:01,442 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:01,442 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:22:01,442 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077540302] [2019-10-15 01:22:01,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:22:01,444 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:01,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:22:01,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:22:01,444 INFO L87 Difference]: Start difference. First operand 494 states and 591 transitions. Second operand 4 states. [2019-10-15 01:22:01,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:01,740 INFO L93 Difference]: Finished difference Result 1578 states and 1976 transitions. [2019-10-15 01:22:01,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:22:01,740 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-10-15 01:22:01,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:01,748 INFO L225 Difference]: With dead ends: 1578 [2019-10-15 01:22:01,748 INFO L226 Difference]: Without dead ends: 1112 [2019-10-15 01:22:01,751 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 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 01:22:01,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2019-10-15 01:22:01,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1095. [2019-10-15 01:22:01,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2019-10-15 01:22:01,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1344 transitions. [2019-10-15 01:22:01,824 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1344 transitions. Word has length 98 [2019-10-15 01:22:01,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:01,825 INFO L462 AbstractCegarLoop]: Abstraction has 1095 states and 1344 transitions. [2019-10-15 01:22:01,825 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:22:01,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1344 transitions. [2019-10-15 01:22:01,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-15 01:22:01,828 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:01,828 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] [2019-10-15 01:22:01,829 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:01,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:01,829 INFO L82 PathProgramCache]: Analyzing trace with hash 884836017, now seen corresponding path program 1 times [2019-10-15 01:22:01,829 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:01,830 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535477505] [2019-10-15 01:22:01,830 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,830 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:01,996 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 01:22:01,997 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535477505] [2019-10-15 01:22:01,997 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:01,997 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:22:01,997 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9277136] [2019-10-15 01:22:01,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:22:01,998 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:01,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:22:01,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:22:01,999 INFO L87 Difference]: Start difference. First operand 1095 states and 1344 transitions. Second operand 9 states. [2019-10-15 01:22:03,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:03,313 INFO L93 Difference]: Finished difference Result 2982 states and 3828 transitions. [2019-10-15 01:22:03,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 01:22:03,314 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2019-10-15 01:22:03,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:03,328 INFO L225 Difference]: With dead ends: 2982 [2019-10-15 01:22:03,328 INFO L226 Difference]: Without dead ends: 2111 [2019-10-15 01:22:03,333 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:22:03,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2111 states. [2019-10-15 01:22:03,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2111 to 1872. [2019-10-15 01:22:03,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1872 states. [2019-10-15 01:22:03,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1872 states and 2259 transitions. [2019-10-15 01:22:03,500 INFO L78 Accepts]: Start accepts. Automaton has 1872 states and 2259 transitions. Word has length 102 [2019-10-15 01:22:03,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:03,503 INFO L462 AbstractCegarLoop]: Abstraction has 1872 states and 2259 transitions. [2019-10-15 01:22:03,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:22:03,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2259 transitions. [2019-10-15 01:22:03,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-10-15 01:22:03,509 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:03,510 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:03,510 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:03,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:03,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1627137653, now seen corresponding path program 1 times [2019-10-15 01:22:03,511 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:03,512 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275089186] [2019-10-15 01:22:03,512 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:03,512 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:03,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:03,732 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-15 01:22:03,732 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275089186] [2019-10-15 01:22:03,735 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589693851] [2019-10-15 01:22:03,735 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 01:22:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:03,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 01:22:03,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:22:04,169 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:22:04,170 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:22:04,658 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-15 01:22:04,658 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [191115486] [2019-10-15 01:22:04,666 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 181 [2019-10-15 01:22:04,715 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:22:04,715 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:22:04,809 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:22:04,811 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-15 01:22:04,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:04,816 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:22:04,901 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:22:04,901 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:22:04,906 INFO L553 sIntCurrentIteration]: We unified 179 AI predicates to 179 [2019-10-15 01:22:04,906 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:22:04,907 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:22:04,907 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-15 01:22:04,908 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565577778] [2019-10-15 01:22:04,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:22:04,909 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:04,910 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:22:04,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:22:04,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:04,910 INFO L87 Difference]: Start difference. First operand 1872 states and 2259 transitions. Second operand 2 states. [2019-10-15 01:22:04,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:04,939 INFO L93 Difference]: Finished difference Result 1872 states and 2259 transitions. [2019-10-15 01:22:04,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:22:04,939 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 180 [2019-10-15 01:22:04,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:04,940 INFO L225 Difference]: With dead ends: 1872 [2019-10-15 01:22:04,940 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:22:04,945 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 179 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 01:22:04,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:22:04,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:22:04,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:22:04,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:22:04,946 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2019-10-15 01:22:04,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:04,947 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:22:04,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:22:04,947 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:22:04,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:22:05,154 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:22:05,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:22:05,705 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 627 682) no Hoare annotation was computed. [2019-10-15 01:22:05,706 INFO L443 ceAbstractionStarter]: For program point L658(lines 658 662) no Hoare annotation was computed. [2019-10-15 01:22:05,706 INFO L443 ceAbstractionStarter]: For program point L658-1(lines 658 662) no Hoare annotation was computed. [2019-10-15 01:22:05,706 INFO L443 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2019-10-15 01:22:05,706 INFO L443 ceAbstractionStarter]: For program point L652-2(lines 652 673) no Hoare annotation was computed. [2019-10-15 01:22:05,706 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 627 682) no Hoare annotation was computed. [2019-10-15 01:22:05,706 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 627 682) no Hoare annotation was computed. [2019-10-15 01:22:05,707 INFO L443 ceAbstractionStarter]: For program point L674(lines 651 675) no Hoare annotation was computed. [2019-10-15 01:22:05,707 INFO L443 ceAbstractionStarter]: For program point L735(lines 708 736) no Hoare annotation was computed. [2019-10-15 01:22:05,707 INFO L443 ceAbstractionStarter]: For program point L728(line 728) no Hoare annotation was computed. [2019-10-15 01:22:05,707 INFO L443 ceAbstractionStarter]: For program point L728-1(line 728) no Hoare annotation was computed. [2019-10-15 01:22:05,707 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 683 742) no Hoare annotation was computed. [2019-10-15 01:22:05,707 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 683 742) no Hoare annotation was computed. [2019-10-15 01:22:05,707 INFO L443 ceAbstractionStarter]: For program point L715(lines 715 719) no Hoare annotation was computed. [2019-10-15 01:22:05,707 INFO L443 ceAbstractionStarter]: For program point L715-1(lines 715 719) no Hoare annotation was computed. [2019-10-15 01:22:05,708 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 683 742) no Hoare annotation was computed. [2019-10-15 01:22:05,708 INFO L443 ceAbstractionStarter]: For program point L710(line 710) no Hoare annotation was computed. [2019-10-15 01:22:05,708 INFO L443 ceAbstractionStarter]: For program point L709-2(lines 709 734) no Hoare annotation was computed. [2019-10-15 01:22:05,708 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 500 506) the Hoare annotation is: true [2019-10-15 01:22:05,708 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 500 506) no Hoare annotation was computed. [2019-10-15 01:22:05,708 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 507 515) no Hoare annotation was computed. [2019-10-15 01:22:05,709 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 507 515) the Hoare annotation is: true [2019-10-15 01:22:05,709 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 507 515) no Hoare annotation was computed. [2019-10-15 01:22:05,709 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 527 534) the Hoare annotation is: true [2019-10-15 01:22:05,709 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 527 534) no Hoare annotation was computed. [2019-10-15 01:22:05,709 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 527 534) no Hoare annotation was computed. [2019-10-15 01:22:05,709 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 535 544) the Hoare annotation is: true [2019-10-15 01:22:05,709 INFO L443 ceAbstractionStarter]: For program point L540(line 540) no Hoare annotation was computed. [2019-10-15 01:22:05,709 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 535 544) no Hoare annotation was computed. [2019-10-15 01:22:05,710 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 535 544) no Hoare annotation was computed. [2019-10-15 01:22:05,710 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 545 573) the Hoare annotation is: true [2019-10-15 01:22:05,710 INFO L446 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: true [2019-10-15 01:22:05,710 INFO L443 ceAbstractionStarter]: For program point L558(lines 558 564) no Hoare annotation was computed. [2019-10-15 01:22:05,710 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 567) no Hoare annotation was computed. [2019-10-15 01:22:05,710 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 545 573) no Hoare annotation was computed. [2019-10-15 01:22:05,710 INFO L446 ceAbstractionStarter]: At program point L555(line 555) the Hoare annotation is: true [2019-10-15 01:22:05,710 INFO L443 ceAbstractionStarter]: For program point L555-1(line 555) no Hoare annotation was computed. [2019-10-15 01:22:05,711 INFO L443 ceAbstractionStarter]: For program point L553(lines 553 570) no Hoare annotation was computed. [2019-10-15 01:22:05,711 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 545 573) no Hoare annotation was computed. [2019-10-15 01:22:05,711 INFO L446 ceAbstractionStarter]: At program point L551(line 551) the Hoare annotation is: true [2019-10-15 01:22:05,711 INFO L443 ceAbstractionStarter]: For program point L551-1(line 551) no Hoare annotation was computed. [2019-10-15 01:22:05,711 INFO L446 ceAbstractionStarter]: At program point L1026-1(line 1026) the Hoare annotation is: true [2019-10-15 01:22:05,711 INFO L443 ceAbstractionStarter]: For program point L1024(lines 1024 1031) no Hoare annotation was computed. [2019-10-15 01:22:05,711 INFO L443 ceAbstractionStarter]: For program point L1024-1(lines 1024 1031) no Hoare annotation was computed. [2019-10-15 01:22:05,711 INFO L443 ceAbstractionStarter]: For program point L1022(line 1022) no Hoare annotation was computed. [2019-10-15 01:22:05,712 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 1014 1036) the Hoare annotation is: true [2019-10-15 01:22:05,712 INFO L446 ceAbstractionStarter]: At program point L1021(line 1021) the Hoare annotation is: true [2019-10-15 01:22:05,712 INFO L446 ceAbstractionStarter]: At program point L1020(line 1020) the Hoare annotation is: true [2019-10-15 01:22:05,712 INFO L446 ceAbstractionStarter]: At program point L1020-1(line 1020) the Hoare annotation is: true [2019-10-15 01:22:05,712 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 1014 1036) no Hoare annotation was computed. [2019-10-15 01:22:05,712 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 1014 1036) no Hoare annotation was computed. [2019-10-15 01:22:05,712 INFO L446 ceAbstractionStarter]: At program point L1026(line 1026) the Hoare annotation is: true [2019-10-15 01:22:05,712 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 972 995) no Hoare annotation was computed. [2019-10-15 01:22:05,713 INFO L443 ceAbstractionStarter]: For program point L990(line 990) no Hoare annotation was computed. [2019-10-15 01:22:05,713 INFO L443 ceAbstractionStarter]: For program point L989(line 989) no Hoare annotation was computed. [2019-10-15 01:22:05,713 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 972 995) no Hoare annotation was computed. [2019-10-15 01:22:05,713 INFO L443 ceAbstractionStarter]: For program point L988(line 988) no Hoare annotation was computed. [2019-10-15 01:22:05,713 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 972 995) no Hoare annotation was computed. [2019-10-15 01:22:05,713 INFO L443 ceAbstractionStarter]: For program point L987(line 987) no Hoare annotation was computed. [2019-10-15 01:22:05,713 INFO L443 ceAbstractionStarter]: For program point L986(line 986) no Hoare annotation was computed. [2019-10-15 01:22:05,713 INFO L443 ceAbstractionStarter]: For program point L985(line 985) no Hoare annotation was computed. [2019-10-15 01:22:05,714 INFO L443 ceAbstractionStarter]: For program point L984(line 984) no Hoare annotation was computed. [2019-10-15 01:22:05,714 INFO L443 ceAbstractionStarter]: For program point L983(line 983) no Hoare annotation was computed. [2019-10-15 01:22:05,714 INFO L443 ceAbstractionStarter]: For program point L982(line 982) no Hoare annotation was computed. [2019-10-15 01:22:05,714 INFO L443 ceAbstractionStarter]: For program point L981(line 981) no Hoare annotation was computed. [2019-10-15 01:22:05,714 INFO L443 ceAbstractionStarter]: For program point L980(line 980) no Hoare annotation was computed. [2019-10-15 01:22:05,714 INFO L443 ceAbstractionStarter]: For program point L979(line 979) no Hoare annotation was computed. [2019-10-15 01:22:05,714 INFO L443 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed. [2019-10-15 01:22:05,714 INFO L443 ceAbstractionStarter]: For program point L977(line 977) no Hoare annotation was computed. [2019-10-15 01:22:05,714 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 385 399) no Hoare annotation was computed. [2019-10-15 01:22:05,715 INFO L446 ceAbstractionStarter]: At program point L391(line 391) the Hoare annotation is: true [2019-10-15 01:22:05,715 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 385 399) the Hoare annotation is: true [2019-10-15 01:22:05,715 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 395) no Hoare annotation was computed. [2019-10-15 01:22:05,715 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 385 399) no Hoare annotation was computed. [2019-10-15 01:22:05,715 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 302 310) no Hoare annotation was computed. [2019-10-15 01:22:05,715 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 302 310) the Hoare annotation is: true [2019-10-15 01:22:05,715 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 302 310) no Hoare annotation was computed. [2019-10-15 01:22:05,715 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 366 384) the Hoare annotation is: true [2019-10-15 01:22:05,716 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 379) no Hoare annotation was computed. [2019-10-15 01:22:05,716 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 366 384) no Hoare annotation was computed. [2019-10-15 01:22:05,716 INFO L446 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: true [2019-10-15 01:22:05,716 INFO L443 ceAbstractionStarter]: For program point L375-2(lines 375 379) no Hoare annotation was computed. [2019-10-15 01:22:05,716 INFO L443 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2019-10-15 01:22:05,716 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 366 384) no Hoare annotation was computed. [2019-10-15 01:22:05,716 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 326) no Hoare annotation was computed. [2019-10-15 01:22:05,716 INFO L443 ceAbstractionStarter]: For program point L318-2(lines 318 326) no Hoare annotation was computed. [2019-10-15 01:22:05,716 INFO L443 ceAbstractionStarter]: For program point L341(line 341) no Hoare annotation was computed. [2019-10-15 01:22:05,717 INFO L443 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2019-10-15 01:22:05,717 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 311 346) no Hoare annotation was computed. [2019-10-15 01:22:05,717 INFO L443 ceAbstractionStarter]: For program point L330(lines 330 338) no Hoare annotation was computed. [2019-10-15 01:22:05,717 INFO L443 ceAbstractionStarter]: For program point L330-2(lines 330 338) no Hoare annotation was computed. [2019-10-15 01:22:05,717 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 311 346) no Hoare annotation was computed. [2019-10-15 01:22:05,717 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 311 346) no Hoare annotation was computed. [2019-10-15 01:22:05,717 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 493 499) no Hoare annotation was computed. [2019-10-15 01:22:05,717 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 493 499) the Hoare annotation is: true [2019-10-15 01:22:05,717 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 581 626) no Hoare annotation was computed. [2019-10-15 01:22:05,718 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 581 626) no Hoare annotation was computed. [2019-10-15 01:22:05,718 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 581 626) no Hoare annotation was computed. [2019-10-15 01:22:05,718 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 894 939) no Hoare annotation was computed. [2019-10-15 01:22:05,718 INFO L443 ceAbstractionStarter]: For program point L914(lines 914 921) no Hoare annotation was computed. [2019-10-15 01:22:05,718 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 928) no Hoare annotation was computed. [2019-10-15 01:22:05,718 INFO L443 ceAbstractionStarter]: For program point L908-1(lines 908 928) no Hoare annotation was computed. [2019-10-15 01:22:05,718 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 894 939) no Hoare annotation was computed. [2019-10-15 01:22:05,719 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 894 939) no Hoare annotation was computed. [2019-10-15 01:22:05,719 INFO L446 ceAbstractionStarter]: At program point L1008(line 1008) the Hoare annotation is: true [2019-10-15 01:22:05,719 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 1003 1013) the Hoare annotation is: true [2019-10-15 01:22:05,719 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 1003 1013) no Hoare annotation was computed. [2019-10-15 01:22:05,719 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 1003 1013) no Hoare annotation was computed. [2019-10-15 01:22:05,720 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 291 301) the Hoare annotation is: true [2019-10-15 01:22:05,720 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 291 301) no Hoare annotation was computed. [2019-10-15 01:22:05,720 INFO L446 ceAbstractionStarter]: At program point L296(line 296) the Hoare annotation is: true [2019-10-15 01:22:05,720 INFO L443 ceAbstractionStarter]: For program point L296-1(line 296) no Hoare annotation was computed. [2019-10-15 01:22:05,720 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 291 301) no Hoare annotation was computed. [2019-10-15 01:22:05,721 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 283 290) the Hoare annotation is: true [2019-10-15 01:22:05,721 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 283 290) no Hoare annotation was computed. [2019-10-15 01:22:05,721 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 283 290) no Hoare annotation was computed. [2019-10-15 01:22:05,721 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2019-10-15 01:22:05,721 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-10-15 01:22:05,721 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2019-10-15 01:22:05,721 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2019-10-15 01:22:05,722 INFO L446 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: true [2019-10-15 01:22:05,722 INFO L443 ceAbstractionStarter]: For program point L256-1(line 256) no Hoare annotation was computed. [2019-10-15 01:22:05,722 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 271) no Hoare annotation was computed. [2019-10-15 01:22:05,722 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 250 274) no Hoare annotation was computed. [2019-10-15 01:22:05,722 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 250 274) the Hoare annotation is: true [2019-10-15 01:22:05,722 INFO L446 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: true [2019-10-15 01:22:05,722 INFO L443 ceAbstractionStarter]: For program point L269-1(lines 250 274) no Hoare annotation was computed. [2019-10-15 01:22:05,723 INFO L446 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: true [2019-10-15 01:22:05,723 INFO L446 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2019-10-15 01:22:05,723 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 266) no Hoare annotation was computed. [2019-10-15 01:22:05,723 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 190 196) no Hoare annotation was computed. [2019-10-15 01:22:05,723 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 190 196) the Hoare annotation is: true [2019-10-15 01:22:05,723 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 410 477) the Hoare annotation is: true [2019-10-15 01:22:05,724 INFO L446 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: true [2019-10-15 01:22:05,724 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2019-10-15 01:22:05,724 INFO L443 ceAbstractionStarter]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2019-10-15 01:22:05,724 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 410 477) no Hoare annotation was computed. [2019-10-15 01:22:05,724 INFO L446 ceAbstractionStarter]: At program point L467(lines 420 469) the Hoare annotation is: true [2019-10-15 01:22:05,724 INFO L446 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: true [2019-10-15 01:22:05,725 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2019-10-15 01:22:05,725 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2019-10-15 01:22:05,725 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-10-15 01:22:05,725 INFO L446 ceAbstractionStarter]: At program point L470(lines 419 471) the Hoare annotation is: true [2019-10-15 01:22:05,725 INFO L446 ceAbstractionStarter]: At program point L460(line 460) the Hoare annotation is: true [2019-10-15 01:22:05,725 INFO L443 ceAbstractionStarter]: For program point L458(lines 458 464) no Hoare annotation was computed. [2019-10-15 01:22:05,726 INFO L446 ceAbstractionStarter]: At program point L458-1(lines 450 465) the Hoare annotation is: true [2019-10-15 01:22:05,726 INFO L443 ceAbstractionStarter]: For program point L421(lines 420 469) no Hoare annotation was computed. [2019-10-15 01:22:05,726 INFO L446 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2019-10-15 01:22:05,726 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 410 477) no Hoare annotation was computed. [2019-10-15 01:22:05,726 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 465) no Hoare annotation was computed. [2019-10-15 01:22:05,726 INFO L443 ceAbstractionStarter]: For program point L862(lines 862 882) no Hoare annotation was computed. [2019-10-15 01:22:05,726 INFO L443 ceAbstractionStarter]: For program point L862-1(lines 862 882) no Hoare annotation was computed. [2019-10-15 01:22:05,726 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 848 893) no Hoare annotation was computed. [2019-10-15 01:22:05,727 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 848 893) no Hoare annotation was computed. [2019-10-15 01:22:05,727 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 848 893) no Hoare annotation was computed. [2019-10-15 01:22:05,727 INFO L443 ceAbstractionStarter]: For program point L868(lines 868 875) no Hoare annotation was computed. [2019-10-15 01:22:05,727 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2019-10-15 01:22:05,727 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2019-10-15 01:22:05,728 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2019-10-15 01:22:05,728 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:22:05,728 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 111) no Hoare annotation was computed. [2019-10-15 01:22:05,728 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:22:05,728 INFO L443 ceAbstractionStarter]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2019-10-15 01:22:05,729 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:22:05,729 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 483 492) no Hoare annotation was computed. [2019-10-15 01:22:05,729 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 483 492) no Hoare annotation was computed. [2019-10-15 01:22:05,729 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 483 492) no Hoare annotation was computed. [2019-10-15 01:22:05,729 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 745 847) no Hoare annotation was computed. [2019-10-15 01:22:05,729 INFO L443 ceAbstractionStarter]: For program point L795(lines 794 814) no Hoare annotation was computed. [2019-10-15 01:22:05,729 INFO L443 ceAbstractionStarter]: For program point L826(line 826) no Hoare annotation was computed. [2019-10-15 01:22:05,730 INFO L443 ceAbstractionStarter]: For program point L826-1(line 826) no Hoare annotation was computed. [2019-10-15 01:22:05,730 INFO L443 ceAbstractionStarter]: For program point L791(lines 791 832) no Hoare annotation was computed. [2019-10-15 01:22:05,730 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-15 01:22:05,730 INFO L443 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2019-10-15 01:22:05,730 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 745 847) no Hoare annotation was computed. [2019-10-15 01:22:05,730 INFO L443 ceAbstractionStarter]: For program point L769(lines 769 773) no Hoare annotation was computed. [2019-10-15 01:22:05,731 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 844) no Hoare annotation was computed. [2019-10-15 01:22:05,731 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2019-10-15 01:22:05,731 INFO L443 ceAbstractionStarter]: For program point L794-2(lines 794 814) no Hoare annotation was computed. [2019-10-15 01:22:05,731 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 745 847) no Hoare annotation was computed. [2019-10-15 01:22:05,731 INFO L443 ceAbstractionStarter]: For program point L815(lines 793 816) no Hoare annotation was computed. [2019-10-15 01:22:05,731 INFO L443 ceAbstractionStarter]: For program point L774(lines 774 790) no Hoare annotation was computed. [2019-10-15 01:22:05,732 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 841) no Hoare annotation was computed. [2019-10-15 01:22:05,732 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:05,732 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-15 01:22:05,732 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:05,732 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 275 282) no Hoare annotation was computed. [2019-10-15 01:22:05,732 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 275 282) no Hoare annotation was computed. [2019-10-15 01:22:05,733 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 275 282) the Hoare annotation is: true [2019-10-15 01:22:05,733 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2019-10-15 01:22:05,733 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2019-10-15 01:22:05,733 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2019-10-15 01:22:05,733 INFO L443 ceAbstractionStarter]: For program point L354-1(line 354) no Hoare annotation was computed. [2019-10-15 01:22:05,733 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 347 365) no Hoare annotation was computed. [2019-10-15 01:22:05,733 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 347 365) the Hoare annotation is: true [2019-10-15 01:22:05,734 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 347 365) no Hoare annotation was computed. [2019-10-15 01:22:05,734 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 360) no Hoare annotation was computed. [2019-10-15 01:22:05,734 INFO L446 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: true [2019-10-15 01:22:05,734 INFO L443 ceAbstractionStarter]: For program point L356-2(lines 356 360) no Hoare annotation was computed. [2019-10-15 01:22:05,734 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2019-10-15 01:22:05,734 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2019-10-15 01:22:05,735 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2019-10-15 01:22:05,735 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:05,735 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:22:05,735 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:05,735 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2019-10-15 01:22:05,736 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2019-10-15 01:22:05,736 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2019-10-15 01:22:05,736 INFO L446 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: true [2019-10-15 01:22:05,736 INFO L446 ceAbstractionStarter]: At program point L177(lines 177 183) the Hoare annotation is: true [2019-10-15 01:22:05,736 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 163 189) the Hoare annotation is: true [2019-10-15 01:22:05,737 INFO L446 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: true [2019-10-15 01:22:05,737 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 163 189) no Hoare annotation was computed. [2019-10-15 01:22:05,737 INFO L443 ceAbstractionStarter]: For program point L170(lines 166 188) no Hoare annotation was computed. [2019-10-15 01:22:05,737 INFO L443 ceAbstractionStarter]: For program point L168(lines 166 188) no Hoare annotation was computed. [2019-10-15 01:22:05,737 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 163 189) no Hoare annotation was computed. [2019-10-15 01:22:05,737 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 942 971) no Hoare annotation was computed. [2019-10-15 01:22:05,737 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 942 971) the Hoare annotation is: true [2019-10-15 01:22:05,738 INFO L443 ceAbstractionStarter]: For program point L956(lines 956 960) no Hoare annotation was computed. [2019-10-15 01:22:05,738 INFO L446 ceAbstractionStarter]: At program point L956-1(lines 956 960) the Hoare annotation is: true [2019-10-15 01:22:05,738 INFO L443 ceAbstractionStarter]: For program point L953(line 953) no Hoare annotation was computed. [2019-10-15 01:22:05,738 INFO L446 ceAbstractionStarter]: At program point L952-2(lines 952 966) the Hoare annotation is: true [2019-10-15 01:22:05,738 INFO L446 ceAbstractionStarter]: At program point L948(line 948) the Hoare annotation is: true [2019-10-15 01:22:05,739 INFO L443 ceAbstractionStarter]: For program point L948-1(line 948) no Hoare annotation was computed. [2019-10-15 01:22:05,739 INFO L446 ceAbstractionStarter]: At program point L967(lines 942 971) the Hoare annotation is: true [2019-10-15 01:22:05,739 INFO L443 ceAbstractionStarter]: For program point L963(line 963) no Hoare annotation was computed. [2019-10-15 01:22:05,739 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: true [2019-10-15 01:22:05,739 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2019-10-15 01:22:05,740 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2019-10-15 01:22:05,740 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 996 1002) no Hoare annotation was computed. [2019-10-15 01:22:05,740 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 996 1002) the Hoare annotation is: true [2019-10-15 01:22:05,740 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:05,740 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:22:05,741 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:22:05,741 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:05,741 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 400 407) no Hoare annotation was computed. [2019-10-15 01:22:05,741 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 400 407) the Hoare annotation is: true [2019-10-15 01:22:05,741 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 400 407) no Hoare annotation was computed. [2019-10-15 01:22:05,741 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 198 222) the Hoare annotation is: true [2019-10-15 01:22:05,741 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 198 222) no Hoare annotation was computed. [2019-10-15 01:22:05,742 INFO L446 ceAbstractionStarter]: At program point L217(line 217) the Hoare annotation is: true [2019-10-15 01:22:05,742 INFO L443 ceAbstractionStarter]: For program point L217-1(lines 198 222) no Hoare annotation was computed. [2019-10-15 01:22:05,742 INFO L446 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: true [2019-10-15 01:22:05,742 INFO L446 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: true [2019-10-15 01:22:05,742 INFO L443 ceAbstractionStarter]: For program point L206(lines 206 214) no Hoare annotation was computed. [2019-10-15 01:22:05,742 INFO L446 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: true [2019-10-15 01:22:05,742 INFO L443 ceAbstractionStarter]: For program point L204-1(line 204) no Hoare annotation was computed. [2019-10-15 01:22:05,742 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 219) no Hoare annotation was computed. [2019-10-15 01:22:05,743 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2019-10-15 01:22:05,743 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2019-10-15 01:22:05,743 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: true [2019-10-15 01:22:05,743 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 517 524) no Hoare annotation was computed. [2019-10-15 01:22:05,743 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 517 524) the Hoare annotation is: true [2019-10-15 01:22:05,743 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 521) no Hoare annotation was computed. [2019-10-15 01:22:05,743 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 517 524) no Hoare annotation was computed. [2019-10-15 01:22:05,744 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 224 248) no Hoare annotation was computed. [2019-10-15 01:22:05,744 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 224 248) the Hoare annotation is: true [2019-10-15 01:22:05,744 INFO L446 ceAbstractionStarter]: At program point L243(line 243) the Hoare annotation is: true [2019-10-15 01:22:05,744 INFO L443 ceAbstractionStarter]: For program point L243-1(lines 224 248) no Hoare annotation was computed. [2019-10-15 01:22:05,744 INFO L446 ceAbstractionStarter]: At program point L238(line 238) the Hoare annotation is: true [2019-10-15 01:22:05,744 INFO L446 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: true [2019-10-15 01:22:05,744 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 240) no Hoare annotation was computed. [2019-10-15 01:22:05,745 INFO L446 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: true [2019-10-15 01:22:05,745 INFO L443 ceAbstractionStarter]: For program point L230-1(line 230) no Hoare annotation was computed. [2019-10-15 01:22:05,745 INFO L443 ceAbstractionStarter]: For program point L228(lines 228 245) no Hoare annotation was computed. [2019-10-15 01:22:05,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:22:05 BoogieIcfgContainer [2019-10-15 01:22:05,755 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:22:05,758 INFO L168 Benchmark]: Toolchain (without parser) took 10064.05 ms. Allocated memory was 141.0 MB in the beginning and 392.2 MB in the end (delta: 251.1 MB). Free memory was 101.2 MB in the beginning and 331.6 MB in the end (delta: -230.4 MB). Peak memory consumption was 219.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:05,759 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:22:05,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.56 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 101.0 MB in the beginning and 167.7 MB in the end (delta: -66.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:05,761 INFO L168 Benchmark]: Boogie Preprocessor took 158.54 ms. Allocated memory is still 201.3 MB. Free memory was 167.7 MB in the beginning and 163.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:05,762 INFO L168 Benchmark]: RCFGBuilder took 1335.37 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 163.4 MB in the beginning and 190.7 MB in the end (delta: -27.3 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:05,763 INFO L168 Benchmark]: TraceAbstraction took 7928.72 ms. Allocated memory was 231.7 MB in the beginning and 392.2 MB in the end (delta: 160.4 MB). Free memory was 190.7 MB in the beginning and 331.6 MB in the end (delta: -140.9 MB). Peak memory consumption was 218.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:05,767 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 634.56 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 101.0 MB in the beginning and 167.7 MB in the end (delta: -66.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 158.54 ms. Allocated memory is still 201.3 MB. Free memory was 167.7 MB in the beginning and 163.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1335.37 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 163.4 MB in the beginning and 190.7 MB in the end (delta: -27.3 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7928.72 ms. Allocated memory was 231.7 MB in the beginning and 392.2 MB in the end (delta: 160.4 MB). Free memory was 190.7 MB in the beginning and 331.6 MB in the end (delta: -140.9 MB). Peak memory consumption was 218.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 521]: 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: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 265 locations, 1 error locations. Result: SAFE, OverallTime: 7.8s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 1714 SDtfs, 1219 SDslu, 3907 SDs, 0 SdLazy, 1953 SolverSat, 315 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 268 GetRequests, 217 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1872occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 328 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 2020 PreInvPairs, 2021 NumberOfFragments, 84 HoareAnnotationTreeSize, 2020 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 74 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1010 NumberOfCodeBlocks, 1010 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1179 ConstructedInterpolants, 0 QuantifiedInterpolants, 260737 SizeOfPredicates, 4 NumberOfNonLiveVariables, 990 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 130/165 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 151, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8044692737430168, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...