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_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:21:40,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:21:40,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:21:40,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:21:40,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:21:40,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:21:40,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:21:40,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:21:40,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:21:40,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:21:40,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:21:40,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:21:40,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:21:40,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:21:40,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:21:40,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:21:40,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:21:40,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:21:40,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:21:40,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:21:40,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:21:40,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:21:40,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:21:40,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:21:40,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:21:40,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:21:40,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:21:40,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:21:40,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:21:40,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:21:40,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:21:40,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:21:40,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:21:40,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:21:40,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:21:40,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:21:40,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:21:40,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:21:40,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:21:40,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:21:40,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:21:40,457 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 01:21:40,471 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:21:40,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:21:40,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:21:40,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:21:40,473 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:21:40,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:21:40,474 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:21:40,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:21:40,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:21:40,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:21:40,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:21:40,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:21:40,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:21:40,475 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:21:40,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:21:40,476 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:21:40,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:21:40,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:21:40,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:21:40,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:21:40,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:21:40,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:40,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:21:40,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:21:40,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:21:40,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:21:40,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:21:40,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:21:40,478 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 01:21:40,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:21:40,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:21:40,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:21:40,800 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:21:40,800 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:21:40,801 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2019-10-15 01:21:40,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77e7f43f9/092f25366fec459f91ff2e172c9fc8b8/FLAG94aec3af5 [2019-10-15 01:21:41,448 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:21:41,449 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2019-10-15 01:21:41,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77e7f43f9/092f25366fec459f91ff2e172c9fc8b8/FLAG94aec3af5 [2019-10-15 01:21:41,773 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77e7f43f9/092f25366fec459f91ff2e172c9fc8b8 [2019-10-15 01:21:41,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:21:41,785 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:21:41,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:41,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:21:41,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:21:41,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:41" (1/1) ... [2019-10-15 01:21:41,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dd1288d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:41, skipping insertion in model container [2019-10-15 01:21:41,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:41" (1/1) ... [2019-10-15 01:21:41,800 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:21:41,870 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:21:42,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:42,349 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:21:42,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:42,507 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:21:42,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:42 WrapperNode [2019-10-15 01:21:42,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:42,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:21:42,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:21:42,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:21:42,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:42" (1/1) ... [2019-10-15 01:21:42,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:42" (1/1) ... [2019-10-15 01:21:42,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:42" (1/1) ... [2019-10-15 01:21:42,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:42" (1/1) ... [2019-10-15 01:21:42,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:42" (1/1) ... [2019-10-15 01:21:42,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:42" (1/1) ... [2019-10-15 01:21:42,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:42" (1/1) ... [2019-10-15 01:21:42,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:21:42,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:21:42,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:21:42,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:21:42,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:42" (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 01:21:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:21:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:21:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:21:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:21:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:21:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:21:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:21:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:21:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:21:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:21:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:21:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:21:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:21:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:21:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:21:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:21:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:21:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:21:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:21:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:21:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:21:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:21:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:21:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:21:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:21:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:21:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:21:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:21:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:21:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:21:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:21:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:21:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:21:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:21:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:21:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:21:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:21:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:21:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:21:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:21:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:21:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:21:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:21:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:21:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:21:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:21:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:21:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:21:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:21:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:21:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:21:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:21:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:21:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:21:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:21:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:21:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:21:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:21:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:21:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:21:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:21:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:21:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:21:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:21:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:21:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:21:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:21:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:21:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:21:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:21:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:21:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:21:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:21:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:21:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:21:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:21:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:21:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:21:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:21:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:21:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:21:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:21:43,925 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:21:43,925 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:21:43,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:43 BoogieIcfgContainer [2019-10-15 01:21:43,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:21:43,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:21:43,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:21:43,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:21:43,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:21:41" (1/3) ... [2019-10-15 01:21:43,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10555dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:43, skipping insertion in model container [2019-10-15 01:21:43,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:42" (2/3) ... [2019-10-15 01:21:43,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10555dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:43, skipping insertion in model container [2019-10-15 01:21:43,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:43" (3/3) ... [2019-10-15 01:21:43,938 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2019-10-15 01:21:43,949 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:21:43,959 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:21:43,970 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:21:44,003 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:21:44,003 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:21:44,003 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:21:44,004 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:21:44,004 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:21:44,004 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:21:44,004 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:21:44,004 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:21:44,027 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-10-15 01:21:44,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 01:21:44,037 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:44,038 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 01:21:44,040 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:44,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:44,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1109188308, now seen corresponding path program 1 times [2019-10-15 01:21:44,057 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:44,058 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117227113] [2019-10-15 01:21:44,058 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:44,058 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:44,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:44,460 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 01:21:44,461 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117227113] [2019-10-15 01:21:44,462 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:44,464 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:21:44,469 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948943190] [2019-10-15 01:21:44,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:44,483 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:44,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:44,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:44,502 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2019-10-15 01:21:44,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:44,569 INFO L93 Difference]: Finished difference Result 276 states and 339 transitions. [2019-10-15 01:21:44,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:44,571 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-15 01:21:44,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:44,583 INFO L225 Difference]: With dead ends: 276 [2019-10-15 01:21:44,583 INFO L226 Difference]: Without dead ends: 140 [2019-10-15 01:21:44,588 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 01:21:44,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-15 01:21:44,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-10-15 01:21:44,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-15 01:21:44,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 163 transitions. [2019-10-15 01:21:44,661 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 163 transitions. Word has length 59 [2019-10-15 01:21:44,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:44,663 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 163 transitions. [2019-10-15 01:21:44,663 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:44,663 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 163 transitions. [2019-10-15 01:21:44,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-15 01:21:44,674 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:44,674 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 01:21:44,677 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:44,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:44,678 INFO L82 PathProgramCache]: Analyzing trace with hash 813843432, now seen corresponding path program 1 times [2019-10-15 01:21:44,679 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:44,680 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918716058] [2019-10-15 01:21:44,680 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:44,680 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:44,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:44,810 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 01:21:44,810 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918716058] [2019-10-15 01:21:44,810 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:44,811 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:21:44,811 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497206406] [2019-10-15 01:21:44,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:21:44,814 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:44,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:21:44,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:44,815 INFO L87 Difference]: Start difference. First operand 140 states and 163 transitions. Second operand 3 states. [2019-10-15 01:21:44,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:44,862 INFO L93 Difference]: Finished difference Result 221 states and 257 transitions. [2019-10-15 01:21:44,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:21:44,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-15 01:21:44,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:44,870 INFO L225 Difference]: With dead ends: 221 [2019-10-15 01:21:44,870 INFO L226 Difference]: Without dead ends: 131 [2019-10-15 01:21:44,872 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 01:21:44,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-15 01:21:44,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-15 01:21:44,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-15 01:21:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2019-10-15 01:21:44,888 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 60 [2019-10-15 01:21:44,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:44,888 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2019-10-15 01:21:44,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:21:44,888 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2019-10-15 01:21:44,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-15 01:21:44,891 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:44,891 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 01:21:44,891 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:44,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:44,892 INFO L82 PathProgramCache]: Analyzing trace with hash 605286682, now seen corresponding path program 1 times [2019-10-15 01:21:44,892 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:44,892 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034231237] [2019-10-15 01:21:44,893 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:44,893 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:44,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:45,050 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 01:21:45,051 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034231237] [2019-10-15 01:21:45,051 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:45,051 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:45,051 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691819913] [2019-10-15 01:21:45,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:45,052 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:45,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:45,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:45,053 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 7 states. [2019-10-15 01:21:45,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:45,404 INFO L93 Difference]: Finished difference Result 234 states and 275 transitions. [2019-10-15 01:21:45,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:21:45,405 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-15 01:21:45,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:45,407 INFO L225 Difference]: With dead ends: 234 [2019-10-15 01:21:45,408 INFO L226 Difference]: Without dead ends: 131 [2019-10-15 01:21:45,409 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:21:45,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-15 01:21:45,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-15 01:21:45,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-15 01:21:45,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 150 transitions. [2019-10-15 01:21:45,425 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 150 transitions. Word has length 65 [2019-10-15 01:21:45,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:45,428 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 150 transitions. [2019-10-15 01:21:45,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:45,428 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 150 transitions. [2019-10-15 01:21:45,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-15 01:21:45,432 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:45,432 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] [2019-10-15 01:21:45,433 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:45,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:45,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1239264208, now seen corresponding path program 1 times [2019-10-15 01:21:45,434 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:45,434 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374810482] [2019-10-15 01:21:45,434 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:45,434 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:45,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:45,620 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 01:21:45,621 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374810482] [2019-10-15 01:21:45,621 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:45,621 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:21:45,622 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316279093] [2019-10-15 01:21:45,622 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:21:45,623 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:45,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:21:45,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:21:45,623 INFO L87 Difference]: Start difference. First operand 131 states and 150 transitions. Second operand 5 states. [2019-10-15 01:21:46,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:46,193 INFO L93 Difference]: Finished difference Result 340 states and 409 transitions. [2019-10-15 01:21:46,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:21:46,194 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2019-10-15 01:21:46,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:46,196 INFO L225 Difference]: With dead ends: 340 [2019-10-15 01:21:46,197 INFO L226 Difference]: Without dead ends: 237 [2019-10-15 01:21:46,198 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:21:46,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2019-10-15 01:21:46,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 218. [2019-10-15 01:21:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2019-10-15 01:21:46,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 249 transitions. [2019-10-15 01:21:46,227 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 249 transitions. Word has length 78 [2019-10-15 01:21:46,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:46,228 INFO L462 AbstractCegarLoop]: Abstraction has 218 states and 249 transitions. [2019-10-15 01:21:46,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:21:46,228 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 249 transitions. [2019-10-15 01:21:46,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-15 01:21:46,229 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:46,230 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] [2019-10-15 01:21:46,230 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:46,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:46,231 INFO L82 PathProgramCache]: Analyzing trace with hash 462053503, now seen corresponding path program 1 times [2019-10-15 01:21:46,231 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:46,231 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476235367] [2019-10-15 01:21:46,231 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:46,231 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:46,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:46,365 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 01:21:46,366 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476235367] [2019-10-15 01:21:46,366 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:46,367 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:46,367 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987376701] [2019-10-15 01:21:46,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:46,368 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:46,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:46,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:46,370 INFO L87 Difference]: Start difference. First operand 218 states and 249 transitions. Second operand 7 states. [2019-10-15 01:21:47,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:47,052 INFO L93 Difference]: Finished difference Result 426 states and 503 transitions. [2019-10-15 01:21:47,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:21:47,053 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2019-10-15 01:21:47,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:47,056 INFO L225 Difference]: With dead ends: 426 [2019-10-15 01:21:47,056 INFO L226 Difference]: Without dead ends: 236 [2019-10-15 01:21:47,057 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 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 01:21:47,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-10-15 01:21:47,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 217. [2019-10-15 01:21:47,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2019-10-15 01:21:47,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 246 transitions. [2019-10-15 01:21:47,086 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 246 transitions. Word has length 92 [2019-10-15 01:21:47,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:47,089 INFO L462 AbstractCegarLoop]: Abstraction has 217 states and 246 transitions. [2019-10-15 01:21:47,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:47,089 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 246 transitions. [2019-10-15 01:21:47,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-15 01:21:47,090 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:47,091 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] [2019-10-15 01:21:47,091 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:47,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:47,093 INFO L82 PathProgramCache]: Analyzing trace with hash -440444759, now seen corresponding path program 1 times [2019-10-15 01:21:47,093 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:47,093 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356258893] [2019-10-15 01:21:47,093 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,094 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:47,228 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 01:21:47,228 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356258893] [2019-10-15 01:21:47,230 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:47,230 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:21:47,230 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225398890] [2019-10-15 01:21:47,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:21:47,233 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:47,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:21:47,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:21:47,234 INFO L87 Difference]: Start difference. First operand 217 states and 246 transitions. Second operand 6 states. [2019-10-15 01:21:47,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:47,296 INFO L93 Difference]: Finished difference Result 411 states and 474 transitions. [2019-10-15 01:21:47,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:21:47,297 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2019-10-15 01:21:47,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:47,303 INFO L225 Difference]: With dead ends: 411 [2019-10-15 01:21:47,303 INFO L226 Difference]: Without dead ends: 222 [2019-10-15 01:21:47,304 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 01:21:47,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2019-10-15 01:21:47,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2019-10-15 01:21:47,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2019-10-15 01:21:47,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 251 transitions. [2019-10-15 01:21:47,333 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 251 transitions. Word has length 93 [2019-10-15 01:21:47,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:47,338 INFO L462 AbstractCegarLoop]: Abstraction has 222 states and 251 transitions. [2019-10-15 01:21:47,338 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:21:47,338 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 251 transitions. [2019-10-15 01:21:47,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-15 01:21:47,342 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:47,343 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] [2019-10-15 01:21:47,343 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:47,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:47,343 INFO L82 PathProgramCache]: Analyzing trace with hash 261155115, now seen corresponding path program 1 times [2019-10-15 01:21:47,344 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:47,344 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763831886] [2019-10-15 01:21:47,344 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,344 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:47,482 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 01:21:47,483 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763831886] [2019-10-15 01:21:47,483 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:47,483 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:21:47,483 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715768499] [2019-10-15 01:21:47,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:21:47,486 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:47,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:21:47,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:21:47,487 INFO L87 Difference]: Start difference. First operand 222 states and 251 transitions. Second operand 8 states. [2019-10-15 01:21:47,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:47,559 INFO L93 Difference]: Finished difference Result 423 states and 491 transitions. [2019-10-15 01:21:47,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:21:47,559 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2019-10-15 01:21:47,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:47,562 INFO L225 Difference]: With dead ends: 423 [2019-10-15 01:21:47,562 INFO L226 Difference]: Without dead ends: 229 [2019-10-15 01:21:47,563 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 01:21:47,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-10-15 01:21:47,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 226. [2019-10-15 01:21:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2019-10-15 01:21:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 255 transitions. [2019-10-15 01:21:47,590 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 255 transitions. Word has length 93 [2019-10-15 01:21:47,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:47,590 INFO L462 AbstractCegarLoop]: Abstraction has 226 states and 255 transitions. [2019-10-15 01:21:47,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:21:47,591 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 255 transitions. [2019-10-15 01:21:47,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-15 01:21:47,593 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:47,593 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] [2019-10-15 01:21:47,594 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:47,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:47,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1986636012, now seen corresponding path program 1 times [2019-10-15 01:21:47,597 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:47,598 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8173539] [2019-10-15 01:21:47,598 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,598 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:47,692 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 01:21:47,693 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8173539] [2019-10-15 01:21:47,693 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:47,694 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:21:47,694 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769012460] [2019-10-15 01:21:47,694 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:21:47,695 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:47,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:21:47,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:21:47,695 INFO L87 Difference]: Start difference. First operand 226 states and 255 transitions. Second operand 4 states. [2019-10-15 01:21:47,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:47,943 INFO L93 Difference]: Finished difference Result 661 states and 782 transitions. [2019-10-15 01:21:47,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:21:47,944 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2019-10-15 01:21:47,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:47,947 INFO L225 Difference]: With dead ends: 661 [2019-10-15 01:21:47,947 INFO L226 Difference]: Without dead ends: 463 [2019-10-15 01:21:47,948 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 01:21:47,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2019-10-15 01:21:47,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 454. [2019-10-15 01:21:47,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-15 01:21:47,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 526 transitions. [2019-10-15 01:21:47,980 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 526 transitions. Word has length 93 [2019-10-15 01:21:47,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:47,981 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 526 transitions. [2019-10-15 01:21:47,981 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:21:47,981 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 526 transitions. [2019-10-15 01:21:47,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-15 01:21:47,983 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:47,983 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] [2019-10-15 01:21:47,984 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:47,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:47,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1429929390, now seen corresponding path program 1 times [2019-10-15 01:21:47,984 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:47,984 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094514949] [2019-10-15 01:21:47,985 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,985 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:48,137 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 01:21:48,137 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094514949] [2019-10-15 01:21:48,137 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:48,138 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:21:48,138 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097783892] [2019-10-15 01:21:48,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:21:48,139 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:48,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:21:48,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:21:48,139 INFO L87 Difference]: Start difference. First operand 454 states and 526 transitions. Second operand 9 states. [2019-10-15 01:21:49,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:49,165 INFO L93 Difference]: Finished difference Result 1193 states and 1446 transitions. [2019-10-15 01:21:49,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 01:21:49,166 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2019-10-15 01:21:49,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:49,172 INFO L225 Difference]: With dead ends: 1193 [2019-10-15 01:21:49,172 INFO L226 Difference]: Without dead ends: 839 [2019-10-15 01:21:49,175 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 01:21:49,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2019-10-15 01:21:49,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 758. [2019-10-15 01:21:49,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2019-10-15 01:21:49,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 868 transitions. [2019-10-15 01:21:49,227 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 868 transitions. Word has length 97 [2019-10-15 01:21:49,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:49,228 INFO L462 AbstractCegarLoop]: Abstraction has 758 states and 868 transitions. [2019-10-15 01:21:49,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:21:49,228 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 868 transitions. [2019-10-15 01:21:49,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-15 01:21:49,231 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:49,231 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:21:49,232 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:49,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:49,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1557984819, now seen corresponding path program 1 times [2019-10-15 01:21:49,232 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:49,232 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51503642] [2019-10-15 01:21:49,233 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:49,233 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:49,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:49,409 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 01:21:49,409 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51503642] [2019-10-15 01:21:49,410 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719811234] [2019-10-15 01:21:49,410 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 01:21:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:49,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 01:21:49,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:21:49,831 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:49,831 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:21:50,206 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 01:21:50,207 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [902647896] [2019-10-15 01:21:50,214 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 158 [2019-10-15 01:21:50,270 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:21:50,270 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:21:50,341 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:21:50,343 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 71 root evaluator evaluations with a maximum evaluation depth of 0. Performed 71 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-15 01:21:50,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:50,347 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:21:50,423 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:21:50,423 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:21:50,431 INFO L553 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2019-10-15 01:21:50,431 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:21:50,436 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:21:50,437 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-15 01:21:50,437 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428725478] [2019-10-15 01:21:50,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:50,439 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:50,439 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:21:50,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:50,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:50,439 INFO L87 Difference]: Start difference. First operand 758 states and 868 transitions. Second operand 2 states. [2019-10-15 01:21:50,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:50,461 INFO L93 Difference]: Finished difference Result 758 states and 868 transitions. [2019-10-15 01:21:50,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:50,462 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 157 [2019-10-15 01:21:50,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:50,462 INFO L225 Difference]: With dead ends: 758 [2019-10-15 01:21:50,462 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:21:50,465 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 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 01:21:50,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:21:50,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:21:50,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:21:50,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:21:50,467 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2019-10-15 01:21:50,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:50,467 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:21:50,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:50,467 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:21:50,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:21:50,673 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:21:50,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:21:50,977 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 293) no Hoare annotation was computed. [2019-10-15 01:21:50,977 INFO L443 ceAbstractionStarter]: For program point L289-1(lines 289 293) no Hoare annotation was computed. [2019-10-15 01:21:50,977 INFO L443 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2019-10-15 01:21:50,977 INFO L443 ceAbstractionStarter]: For program point L283-2(lines 283 304) no Hoare annotation was computed. [2019-10-15 01:21:50,977 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 258 313) no Hoare annotation was computed. [2019-10-15 01:21:50,978 INFO L443 ceAbstractionStarter]: For program point L305(lines 282 306) no Hoare annotation was computed. [2019-10-15 01:21:50,978 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 258 313) no Hoare annotation was computed. [2019-10-15 01:21:50,978 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 258 313) no Hoare annotation was computed. [2019-10-15 01:21:50,978 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 350) no Hoare annotation was computed. [2019-10-15 01:21:50,978 INFO L443 ceAbstractionStarter]: For program point L346-1(lines 346 350) no Hoare annotation was computed. [2019-10-15 01:21:50,978 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 314 373) no Hoare annotation was computed. [2019-10-15 01:21:50,978 INFO L443 ceAbstractionStarter]: For program point L341(line 341) no Hoare annotation was computed. [2019-10-15 01:21:50,978 INFO L443 ceAbstractionStarter]: For program point L340-2(lines 340 365) no Hoare annotation was computed. [2019-10-15 01:21:50,979 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 314 373) no Hoare annotation was computed. [2019-10-15 01:21:50,979 INFO L443 ceAbstractionStarter]: For program point L366(lines 339 367) no Hoare annotation was computed. [2019-10-15 01:21:50,979 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 314 373) no Hoare annotation was computed. [2019-10-15 01:21:50,979 INFO L443 ceAbstractionStarter]: For program point L359(line 359) no Hoare annotation was computed. [2019-10-15 01:21:50,979 INFO L443 ceAbstractionStarter]: For program point L359-1(line 359) no Hoare annotation was computed. [2019-10-15 01:21:50,980 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2019-10-15 01:21:50,980 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2019-10-15 01:21:50,980 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2019-10-15 01:21:50,980 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2019-10-15 01:21:50,980 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2019-10-15 01:21:50,980 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 158 165) the Hoare annotation is: true [2019-10-15 01:21:50,981 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 158 165) no Hoare annotation was computed. [2019-10-15 01:21:50,981 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 158 165) no Hoare annotation was computed. [2019-10-15 01:21:50,981 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 166 175) the Hoare annotation is: true [2019-10-15 01:21:50,983 INFO L443 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-10-15 01:21:50,983 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 166 175) no Hoare annotation was computed. [2019-10-15 01:21:50,983 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 166 175) no Hoare annotation was computed. [2019-10-15 01:21:50,983 INFO L446 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: true [2019-10-15 01:21:50,983 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 195) no Hoare annotation was computed. [2019-10-15 01:21:50,983 INFO L443 ceAbstractionStarter]: For program point L188(lines 188 198) no Hoare annotation was computed. [2019-10-15 01:21:50,983 INFO L446 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: true [2019-10-15 01:21:50,983 INFO L443 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2019-10-15 01:21:50,984 INFO L443 ceAbstractionStarter]: For program point L184(lines 184 201) no Hoare annotation was computed. [2019-10-15 01:21:50,984 INFO L443 ceAbstractionStarter]: For program point L184-1(lines 176 204) no Hoare annotation was computed. [2019-10-15 01:21:50,984 INFO L446 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2019-10-15 01:21:50,984 INFO L443 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2019-10-15 01:21:50,984 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 176 204) the Hoare annotation is: true [2019-10-15 01:21:50,984 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 176 204) no Hoare annotation was computed. [2019-10-15 01:21:50,984 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 131 153) the Hoare annotation is: true [2019-10-15 01:21:50,984 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 131 153) no Hoare annotation was computed. [2019-10-15 01:21:50,985 INFO L446 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: true [2019-10-15 01:21:50,985 INFO L446 ceAbstractionStarter]: At program point L143-1(line 143) the Hoare annotation is: true [2019-10-15 01:21:50,985 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 148) no Hoare annotation was computed. [2019-10-15 01:21:50,985 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 131 153) no Hoare annotation was computed. [2019-10-15 01:21:50,985 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 141 148) no Hoare annotation was computed. [2019-10-15 01:21:50,985 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-15 01:21:50,985 INFO L446 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: true [2019-10-15 01:21:50,985 INFO L446 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: true [2019-10-15 01:21:50,985 INFO L446 ceAbstractionStarter]: At program point L137-1(line 137) the Hoare annotation is: true [2019-10-15 01:21:50,986 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-15 01:21:50,986 INFO L443 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2019-10-15 01:21:50,986 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 84 107) no Hoare annotation was computed. [2019-10-15 01:21:50,986 INFO L443 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2019-10-15 01:21:50,986 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-15 01:21:50,986 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-15 01:21:50,986 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 84 107) no Hoare annotation was computed. [2019-10-15 01:21:50,986 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-15 01:21:50,987 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 84 107) no Hoare annotation was computed. [2019-10-15 01:21:50,987 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-15 01:21:50,987 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-15 01:21:50,987 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-15 01:21:50,987 INFO L443 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2019-10-15 01:21:50,987 INFO L443 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2019-10-15 01:21:50,987 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-15 01:21:50,987 INFO L443 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2019-10-15 01:21:50,988 INFO L443 ceAbstractionStarter]: For program point L98(line 98) no Hoare annotation was computed. [2019-10-15 01:21:50,988 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 789 797) no Hoare annotation was computed. [2019-10-15 01:21:50,988 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 789 797) the Hoare annotation is: true [2019-10-15 01:21:50,989 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 789 797) no Hoare annotation was computed. [2019-10-15 01:21:50,989 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-15 01:21:50,989 INFO L443 ceAbstractionStarter]: For program point L828-1(line 828) no Hoare annotation was computed. [2019-10-15 01:21:50,989 INFO L443 ceAbstractionStarter]: For program point L817(lines 817 825) no Hoare annotation was computed. [2019-10-15 01:21:50,989 INFO L443 ceAbstractionStarter]: For program point L817-2(lines 817 825) no Hoare annotation was computed. [2019-10-15 01:21:50,989 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 798 833) no Hoare annotation was computed. [2019-10-15 01:21:50,989 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 798 833) no Hoare annotation was computed. [2019-10-15 01:21:50,989 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 813) no Hoare annotation was computed. [2019-10-15 01:21:50,990 INFO L443 ceAbstractionStarter]: For program point L805-2(lines 805 813) no Hoare annotation was computed. [2019-10-15 01:21:50,990 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 798 833) no Hoare annotation was computed. [2019-10-15 01:21:50,990 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2019-10-15 01:21:50,990 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2019-10-15 01:21:50,990 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 212 257) no Hoare annotation was computed. [2019-10-15 01:21:50,990 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 212 257) no Hoare annotation was computed. [2019-10-15 01:21:50,990 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 212 257) no Hoare annotation was computed. [2019-10-15 01:21:50,990 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 552) no Hoare annotation was computed. [2019-10-15 01:21:50,990 INFO L443 ceAbstractionStarter]: For program point L539(lines 539 559) no Hoare annotation was computed. [2019-10-15 01:21:50,991 INFO L443 ceAbstractionStarter]: For program point L539-1(lines 539 559) no Hoare annotation was computed. [2019-10-15 01:21:50,991 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 525 570) no Hoare annotation was computed. [2019-10-15 01:21:50,991 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 525 570) no Hoare annotation was computed. [2019-10-15 01:21:50,992 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 525 570) no Hoare annotation was computed. [2019-10-15 01:21:50,992 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 117 127) the Hoare annotation is: true [2019-10-15 01:21:50,992 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 117 127) no Hoare annotation was computed. [2019-10-15 01:21:50,992 INFO L446 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: true [2019-10-15 01:21:50,992 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 117 127) no Hoare annotation was computed. [2019-10-15 01:21:50,992 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 778 788) the Hoare annotation is: true [2019-10-15 01:21:50,992 INFO L446 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: true [2019-10-15 01:21:50,992 INFO L443 ceAbstractionStarter]: For program point L783-1(line 783) no Hoare annotation was computed. [2019-10-15 01:21:50,993 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 778 788) no Hoare annotation was computed. [2019-10-15 01:21:50,993 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 778 788) no Hoare annotation was computed. [2019-10-15 01:21:50,993 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 770 777) the Hoare annotation is: true [2019-10-15 01:21:50,993 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 770 777) no Hoare annotation was computed. [2019-10-15 01:21:50,993 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 770 777) no Hoare annotation was computed. [2019-10-15 01:21:50,993 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 655 668) no Hoare annotation was computed. [2019-10-15 01:21:50,993 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 665) no Hoare annotation was computed. [2019-10-15 01:21:50,993 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 655 668) the Hoare annotation is: true [2019-10-15 01:21:50,993 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 655 668) no Hoare annotation was computed. [2019-10-15 01:21:50,994 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 737 761) no Hoare annotation was computed. [2019-10-15 01:21:50,994 INFO L446 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: true [2019-10-15 01:21:50,994 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 737 761) the Hoare annotation is: true [2019-10-15 01:21:50,994 INFO L443 ceAbstractionStarter]: For program point L756-1(lines 737 761) no Hoare annotation was computed. [2019-10-15 01:21:50,994 INFO L446 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2019-10-15 01:21:50,994 INFO L446 ceAbstractionStarter]: At program point L747(line 747) the Hoare annotation is: true [2019-10-15 01:21:50,994 INFO L443 ceAbstractionStarter]: For program point L745(lines 745 753) no Hoare annotation was computed. [2019-10-15 01:21:50,994 INFO L446 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: true [2019-10-15 01:21:50,995 INFO L443 ceAbstractionStarter]: For program point L743-1(line 743) no Hoare annotation was computed. [2019-10-15 01:21:50,995 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 758) no Hoare annotation was computed. [2019-10-15 01:21:50,995 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 703 709) no Hoare annotation was computed. [2019-10-15 01:21:50,995 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 703 709) the Hoare annotation is: true [2019-10-15 01:21:50,995 INFO L446 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: true [2019-10-15 01:21:50,995 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 897 962) the Hoare annotation is: true [2019-10-15 01:21:50,995 INFO L443 ceAbstractionStarter]: For program point L927(lines 927 933) no Hoare annotation was computed. [2019-10-15 01:21:50,995 INFO L443 ceAbstractionStarter]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2019-10-15 01:21:50,995 INFO L446 ceAbstractionStarter]: At program point L952(lines 907 954) the Hoare annotation is: true [2019-10-15 01:21:50,996 INFO L446 ceAbstractionStarter]: At program point L919(line 919) the Hoare annotation is: true [2019-10-15 01:21:50,996 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 897 962) no Hoare annotation was computed. [2019-10-15 01:21:50,996 INFO L443 ceAbstractionStarter]: For program point L917(lines 917 923) no Hoare annotation was computed. [2019-10-15 01:21:50,996 INFO L443 ceAbstractionStarter]: For program point L917-1(lines 917 923) no Hoare annotation was computed. [2019-10-15 01:21:50,996 INFO L443 ceAbstractionStarter]: For program point L909(lines 909 913) no Hoare annotation was computed. [2019-10-15 01:21:50,996 INFO L446 ceAbstractionStarter]: At program point L955(lines 906 956) the Hoare annotation is: true [2019-10-15 01:21:50,996 INFO L443 ceAbstractionStarter]: For program point L945(lines 945 949) no Hoare annotation was computed. [2019-10-15 01:21:50,996 INFO L446 ceAbstractionStarter]: At program point L945-2(lines 937 950) the Hoare annotation is: true [2019-10-15 01:21:50,997 INFO L443 ceAbstractionStarter]: For program point L908(lines 907 954) no Hoare annotation was computed. [2019-10-15 01:21:50,997 INFO L446 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: true [2019-10-15 01:21:50,997 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 950) no Hoare annotation was computed. [2019-10-15 01:21:50,997 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 897 962) no Hoare annotation was computed. [2019-10-15 01:21:50,997 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 479 524) no Hoare annotation was computed. [2019-10-15 01:21:50,997 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 479 524) no Hoare annotation was computed. [2019-10-15 01:21:50,997 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 506) no Hoare annotation was computed. [2019-10-15 01:21:50,997 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 479 524) no Hoare annotation was computed. [2019-10-15 01:21:50,997 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 513) no Hoare annotation was computed. [2019-10-15 01:21:50,998 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 493 513) no Hoare annotation was computed. [2019-10-15 01:21:50,998 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 623 645) no Hoare annotation was computed. [2019-10-15 01:21:50,998 INFO L443 ceAbstractionStarter]: For program point L631(lines 631 639) no Hoare annotation was computed. [2019-10-15 01:21:50,998 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 623 645) no Hoare annotation was computed. [2019-10-15 01:21:50,998 INFO L443 ceAbstractionStarter]: For program point L631-2(lines 631 639) no Hoare annotation was computed. [2019-10-15 01:21:50,998 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 623 645) no Hoare annotation was computed. [2019-10-15 01:21:50,998 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 376 478) no Hoare annotation was computed. [2019-10-15 01:21:50,999 INFO L443 ceAbstractionStarter]: For program point L446(lines 424 447) no Hoare annotation was computed. [2019-10-15 01:21:50,999 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 421) no Hoare annotation was computed. [2019-10-15 01:21:50,999 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 472) no Hoare annotation was computed. [2019-10-15 01:21:50,999 INFO L443 ceAbstractionStarter]: For program point L426(lines 425 445) no Hoare annotation was computed. [2019-10-15 01:21:50,999 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-15 01:21:50,999 INFO L443 ceAbstractionStarter]: For program point L457-1(line 457) no Hoare annotation was computed. [2019-10-15 01:21:50,999 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 463) no Hoare annotation was computed. [2019-10-15 01:21:50,999 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 376 478) no Hoare annotation was computed. [2019-10-15 01:21:50,999 INFO L443 ceAbstractionStarter]: For program point L441(line 441) no Hoare annotation was computed. [2019-10-15 01:21:51,000 INFO L443 ceAbstractionStarter]: For program point L441-1(line 441) no Hoare annotation was computed. [2019-10-15 01:21:51,000 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 376 478) no Hoare annotation was computed. [2019-10-15 01:21:51,000 INFO L443 ceAbstractionStarter]: For program point L400(lines 400 404) no Hoare annotation was computed. [2019-10-15 01:21:51,000 INFO L443 ceAbstractionStarter]: For program point L464(lines 464 475) no Hoare annotation was computed. [2019-10-15 01:21:51,000 INFO L443 ceAbstractionStarter]: For program point L427(lines 427 431) no Hoare annotation was computed. [2019-10-15 01:21:51,000 INFO L443 ceAbstractionStarter]: For program point L425-2(lines 425 445) no Hoare annotation was computed. [2019-10-15 01:21:51,000 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 863 872) no Hoare annotation was computed. [2019-10-15 01:21:51,000 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 863 872) no Hoare annotation was computed. [2019-10-15 01:21:51,001 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 863 872) no Hoare annotation was computed. [2019-10-15 01:21:51,001 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:51,001 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 01:21:51,002 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:51,002 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2019-10-15 01:21:51,002 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2019-10-15 01:21:51,002 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 762 769) the Hoare annotation is: true [2019-10-15 01:21:51,002 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 646 654) the Hoare annotation is: true [2019-10-15 01:21:51,003 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 646 654) no Hoare annotation was computed. [2019-10-15 01:21:51,003 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 646 654) no Hoare annotation was computed. [2019-10-15 01:21:51,003 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 834 852) no Hoare annotation was computed. [2019-10-15 01:21:51,003 INFO L443 ceAbstractionStarter]: For program point L843(lines 843 847) no Hoare annotation was computed. [2019-10-15 01:21:51,003 INFO L446 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: true [2019-10-15 01:21:51,003 INFO L443 ceAbstractionStarter]: For program point L843-2(lines 843 847) no Hoare annotation was computed. [2019-10-15 01:21:51,003 INFO L443 ceAbstractionStarter]: For program point L841-1(line 841) no Hoare annotation was computed. [2019-10-15 01:21:51,003 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 834 852) the Hoare annotation is: true [2019-10-15 01:21:51,004 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 834 852) no Hoare annotation was computed. [2019-10-15 01:21:51,004 INFO L443 ceAbstractionStarter]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2019-10-15 01:21:51,004 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 602 613) the Hoare annotation is: true [2019-10-15 01:21:51,004 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 602 613) no Hoare annotation was computed. [2019-10-15 01:21:51,004 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:51,004 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:21:51,004 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:51,004 INFO L446 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2019-10-15 01:21:51,005 INFO L446 ceAbstractionStarter]: At program point L690(lines 690 696) the Hoare annotation is: true [2019-10-15 01:21:51,005 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 676 702) the Hoare annotation is: true [2019-10-15 01:21:51,006 INFO L446 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2019-10-15 01:21:51,006 INFO L443 ceAbstractionStarter]: For program point L683(lines 679 701) no Hoare annotation was computed. [2019-10-15 01:21:51,006 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 676 702) no Hoare annotation was computed. [2019-10-15 01:21:51,006 INFO L443 ceAbstractionStarter]: For program point L681(lines 679 701) no Hoare annotation was computed. [2019-10-15 01:21:51,006 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 676 702) no Hoare annotation was computed. [2019-10-15 01:21:51,006 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-10-15 01:21:51,006 INFO L446 ceAbstractionStarter]: At program point L65-1(lines 65 69) the Hoare annotation is: true [2019-10-15 01:21:51,006 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 51 80) no Hoare annotation was computed. [2019-10-15 01:21:51,007 INFO L443 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2019-10-15 01:21:51,007 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 51 80) the Hoare annotation is: true [2019-10-15 01:21:51,007 INFO L446 ceAbstractionStarter]: At program point L61-2(lines 61 75) the Hoare annotation is: true [2019-10-15 01:21:51,007 INFO L446 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: true [2019-10-15 01:21:51,007 INFO L443 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2019-10-15 01:21:51,007 INFO L446 ceAbstractionStarter]: At program point L76(lines 51 80) the Hoare annotation is: true [2019-10-15 01:21:51,007 INFO L443 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2019-10-15 01:21:51,008 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 614 622) the Hoare annotation is: true [2019-10-15 01:21:51,008 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 614 622) no Hoare annotation was computed. [2019-10-15 01:21:51,008 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 614 622) no Hoare annotation was computed. [2019-10-15 01:21:51,009 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 578 589) the Hoare annotation is: true [2019-10-15 01:21:51,009 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 578 589) no Hoare annotation was computed. [2019-10-15 01:21:51,009 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 578 589) no Hoare annotation was computed. [2019-10-15 01:21:51,009 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 108 114) no Hoare annotation was computed. [2019-10-15 01:21:51,010 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 108 114) the Hoare annotation is: true [2019-10-15 01:21:51,010 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:51,010 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:21:51,010 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:21:51,010 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:51,010 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 853 860) no Hoare annotation was computed. [2019-10-15 01:21:51,010 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 853 860) the Hoare annotation is: true [2019-10-15 01:21:51,011 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 853 860) no Hoare annotation was computed. [2019-10-15 01:21:51,011 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 711 735) the Hoare annotation is: true [2019-10-15 01:21:51,011 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 711 735) no Hoare annotation was computed. [2019-10-15 01:21:51,011 INFO L446 ceAbstractionStarter]: At program point L730(line 730) the Hoare annotation is: true [2019-10-15 01:21:51,011 INFO L443 ceAbstractionStarter]: For program point L730-1(lines 711 735) no Hoare annotation was computed. [2019-10-15 01:21:51,011 INFO L446 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: true [2019-10-15 01:21:51,012 INFO L446 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2019-10-15 01:21:51,012 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 727) no Hoare annotation was computed. [2019-10-15 01:21:51,012 INFO L446 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2019-10-15 01:21:51,012 INFO L443 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2019-10-15 01:21:51,012 INFO L443 ceAbstractionStarter]: For program point L715(lines 715 732) no Hoare annotation was computed. [2019-10-15 01:21:51,012 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 590 601) no Hoare annotation was computed. [2019-10-15 01:21:51,012 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 590 601) no Hoare annotation was computed. [2019-10-15 01:21:51,013 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 590 601) the Hoare annotation is: true [2019-10-15 01:21:51,013 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-15 01:21:51,013 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-15 01:21:51,013 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-15 01:21:51,013 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-15 01:21:51,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:21:51 BoogieIcfgContainer [2019-10-15 01:21:51,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:21:51,027 INFO L168 Benchmark]: Toolchain (without parser) took 9241.02 ms. Allocated memory was 135.3 MB in the beginning and 359.1 MB in the end (delta: 223.9 MB). Free memory was 97.6 MB in the beginning and 107.4 MB in the end (delta: -9.8 MB). Peak memory consumption was 214.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:51,027 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 135.3 MB. Free memory is still 116.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 01:21:51,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.70 ms. Allocated memory was 135.3 MB in the beginning and 198.7 MB in the end (delta: 63.4 MB). Free memory was 97.6 MB in the beginning and 164.6 MB in the end (delta: -67.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:51,029 INFO L168 Benchmark]: Boogie Preprocessor took 103.84 ms. Allocated memory is still 198.7 MB. Free memory was 164.6 MB in the beginning and 160.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:51,030 INFO L168 Benchmark]: RCFGBuilder took 1313.97 ms. Allocated memory was 198.7 MB in the beginning and 226.0 MB in the end (delta: 27.3 MB). Free memory was 160.5 MB in the beginning and 190.1 MB in the end (delta: -29.5 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:51,031 INFO L168 Benchmark]: TraceAbstraction took 7095.94 ms. Allocated memory was 226.0 MB in the beginning and 359.1 MB in the end (delta: 133.2 MB). Free memory was 190.1 MB in the beginning and 107.4 MB in the end (delta: 82.6 MB). Peak memory consumption was 215.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:51,034 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 135.3 MB. Free memory is still 116.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 722.70 ms. Allocated memory was 135.3 MB in the beginning and 198.7 MB in the end (delta: 63.4 MB). Free memory was 97.6 MB in the beginning and 164.6 MB in the end (delta: -67.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.84 ms. Allocated memory is still 198.7 MB. Free memory was 164.6 MB in the beginning and 160.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1313.97 ms. Allocated memory was 198.7 MB in the beginning and 226.0 MB in the end (delta: 27.3 MB). Free memory was 160.5 MB in the beginning and 190.1 MB in the end (delta: -29.5 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7095.94 ms. Allocated memory was 226.0 MB in the beginning and 359.1 MB in the end (delta: 133.2 MB). Free memory was 190.1 MB in the beginning and 107.4 MB in the end (delta: 82.6 MB). Peak memory consumption was 215.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 239 locations, 1 error locations. Result: SAFE, OverallTime: 7.0s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1539 SDtfs, 1081 SDslu, 3029 SDs, 0 SdLazy, 1732 SolverSat, 395 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 263 GetRequests, 206 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=758occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 131 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 905 PreInvPairs, 906 NumberOfFragments, 73 HoareAnnotationTreeSize, 905 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 63 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1044 NumberOfCodeBlocks, 1044 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1189 ConstructedInterpolants, 0 QuantifiedInterpolants, 234610 SizeOfPredicates, 4 NumberOfNonLiveVariables, 935 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 127/156 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 134, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8333333333333334, 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...