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_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:48,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:48,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:48,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:48,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:48,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:48,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:48,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:48,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:48,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:48,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:48,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:48,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:48,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:48,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:48,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:48,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:48,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:48,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:48,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:48,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:48,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:48,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:48,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:48,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:48,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:48,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:48,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:48,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:48,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:48,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:48,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:48,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:48,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:48,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:48,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:48,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:48,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:48,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:48,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:48,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:48,419 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 [2019-10-13 21:22:48,441 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:48,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:48,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:48,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:48,444 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:48,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:48,444 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:48,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:48,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:48,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:48,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:48,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:48,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:48,447 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:48,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:48,447 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:48,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:48,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:48,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:48,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:48,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:48,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:48,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:48,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:48,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:48,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:48,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:48,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:48,450 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 [2019-10-13 21:22:48,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:48,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:48,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:48,731 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:48,731 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:48,732 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2019-10-13 21:22:48,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dc056cd7/4481e06f6588433da1eb5436aa4f847c/FLAGb109fb41d [2019-10-13 21:22:49,389 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:49,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2019-10-13 21:22:49,419 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dc056cd7/4481e06f6588433da1eb5436aa4f847c/FLAGb109fb41d [2019-10-13 21:22:49,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dc056cd7/4481e06f6588433da1eb5436aa4f847c [2019-10-13 21:22:49,682 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:49,683 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:49,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:49,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:49,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:49,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:49" (1/1) ... [2019-10-13 21:22:49,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7184d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:49, skipping insertion in model container [2019-10-13 21:22:49,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:49" (1/1) ... [2019-10-13 21:22:49,699 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:49,753 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:50,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:50,203 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:50,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:50,379 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:50,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50 WrapperNode [2019-10-13 21:22:50,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:50,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:50,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:50,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:50,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ... [2019-10-13 21:22:50,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ... [2019-10-13 21:22:50,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ... [2019-10-13 21:22:50,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ... [2019-10-13 21:22:50,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ... [2019-10-13 21:22:50,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ... [2019-10-13 21:22:50,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ... [2019-10-13 21:22:50,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:50,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:50,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:50,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:50,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (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 [2019-10-13 21:22:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:22:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:22:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:50,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:50,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:50,543 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:50,543 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:50,543 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:22:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:22:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:51,663 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:51,663 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:51,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:51 BoogieIcfgContainer [2019-10-13 21:22:51,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:51,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:51,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:51,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:51,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:49" (1/3) ... [2019-10-13 21:22:51,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241c0946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:51, skipping insertion in model container [2019-10-13 21:22:51,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (2/3) ... [2019-10-13 21:22:51,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241c0946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:51, skipping insertion in model container [2019-10-13 21:22:51,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:51" (3/3) ... [2019-10-13 21:22:51,673 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2019-10-13 21:22:51,683 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:51,692 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:51,704 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:51,731 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:51,731 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:51,731 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:51,731 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:51,732 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:51,732 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:51,732 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:51,732 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:51,756 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2019-10-13 21:22:51,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:51,767 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:51,768 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] [2019-10-13 21:22:51,771 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:51,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:51,777 INFO L82 PathProgramCache]: Analyzing trace with hash 464701397, now seen corresponding path program 1 times [2019-10-13 21:22:51,787 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:51,788 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373303896] [2019-10-13 21:22:51,788 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:51,788 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:51,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:52,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:52,181 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373303896] [2019-10-13 21:22:52,182 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:52,182 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:52,183 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315149247] [2019-10-13 21:22:52,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:52,196 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:52,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:52,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:52,213 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2019-10-13 21:22:52,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:52,257 INFO L93 Difference]: Finished difference Result 272 states and 337 transitions. [2019-10-13 21:22:52,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:52,259 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:52,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:52,272 INFO L225 Difference]: With dead ends: 272 [2019-10-13 21:22:52,272 INFO L226 Difference]: Without dead ends: 138 [2019-10-13 21:22:52,276 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 [2019-10-13 21:22:52,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-13 21:22:52,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-10-13 21:22:52,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-10-13 21:22:52,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2019-10-13 21:22:52,334 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 59 [2019-10-13 21:22:52,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:52,335 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2019-10-13 21:22:52,335 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:52,335 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2019-10-13 21:22:52,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:22:52,339 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:52,340 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] [2019-10-13 21:22:52,340 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:52,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:52,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1838047012, now seen corresponding path program 1 times [2019-10-13 21:22:52,341 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:52,341 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708288310] [2019-10-13 21:22:52,341 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:52,341 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:52,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:52,507 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708288310] [2019-10-13 21:22:52,507 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:52,507 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:52,508 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044374845] [2019-10-13 21:22:52,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:52,512 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:52,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:52,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:52,513 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand 3 states. [2019-10-13 21:22:52,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:52,568 INFO L93 Difference]: Finished difference Result 248 states and 299 transitions. [2019-10-13 21:22:52,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:52,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-13 21:22:52,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:52,578 INFO L225 Difference]: With dead ends: 248 [2019-10-13 21:22:52,578 INFO L226 Difference]: Without dead ends: 138 [2019-10-13 21:22:52,580 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 [2019-10-13 21:22:52,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-13 21:22:52,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-10-13 21:22:52,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-10-13 21:22:52,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2019-10-13 21:22:52,616 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 64 [2019-10-13 21:22:52,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:52,621 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2019-10-13 21:22:52,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:52,621 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2019-10-13 21:22:52,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-13 21:22:52,628 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:52,628 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] [2019-10-13 21:22:52,629 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:52,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:52,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1442070676, now seen corresponding path program 1 times [2019-10-13 21:22:52,631 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:52,632 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732159109] [2019-10-13 21:22:52,632 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:52,632 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:52,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:52,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:52,777 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732159109] [2019-10-13 21:22:52,777 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:52,777 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:52,778 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059176831] [2019-10-13 21:22:52,780 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:52,780 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:52,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:52,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:52,781 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 3 states. [2019-10-13 21:22:52,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:52,809 INFO L93 Difference]: Finished difference Result 221 states and 257 transitions. [2019-10-13 21:22:52,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:52,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2019-10-13 21:22:52,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:52,813 INFO L225 Difference]: With dead ends: 221 [2019-10-13 21:22:52,814 INFO L226 Difference]: Without dead ends: 129 [2019-10-13 21:22:52,815 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 [2019-10-13 21:22:52,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-10-13 21:22:52,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-10-13 21:22:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-10-13 21:22:52,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2019-10-13 21:22:52,829 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 73 [2019-10-13 21:22:52,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:52,829 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2019-10-13 21:22:52,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:52,830 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2019-10-13 21:22:52,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-13 21:22:52,832 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:52,832 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] [2019-10-13 21:22:52,833 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:52,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:52,833 INFO L82 PathProgramCache]: Analyzing trace with hash -745886990, now seen corresponding path program 1 times [2019-10-13 21:22:52,834 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:52,834 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608984026] [2019-10-13 21:22:52,834 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:52,834 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:52,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:52,965 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608984026] [2019-10-13 21:22:52,965 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:52,966 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:22:52,966 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341911049] [2019-10-13 21:22:52,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:22:52,967 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:52,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:22:52,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:22:52,968 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 5 states. [2019-10-13 21:22:53,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:53,573 INFO L93 Difference]: Finished difference Result 331 states and 401 transitions. [2019-10-13 21:22:53,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:53,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-10-13 21:22:53,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:53,577 INFO L225 Difference]: With dead ends: 331 [2019-10-13 21:22:53,578 INFO L226 Difference]: Without dead ends: 230 [2019-10-13 21:22:53,579 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 [2019-10-13 21:22:53,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-10-13 21:22:53,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 212. [2019-10-13 21:22:53,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-10-13 21:22:53,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 244 transitions. [2019-10-13 21:22:53,624 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 244 transitions. Word has length 77 [2019-10-13 21:22:53,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:53,625 INFO L462 AbstractCegarLoop]: Abstraction has 212 states and 244 transitions. [2019-10-13 21:22:53,627 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:22:53,627 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 244 transitions. [2019-10-13 21:22:53,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-10-13 21:22:53,632 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:53,632 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] [2019-10-13 21:22:53,633 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:53,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:53,633 INFO L82 PathProgramCache]: Analyzing trace with hash -47194942, now seen corresponding path program 1 times [2019-10-13 21:22:53,633 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:53,634 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93829319] [2019-10-13 21:22:53,634 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:53,634 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:53,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:53,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:53,775 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93829319] [2019-10-13 21:22:53,775 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:53,775 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:53,775 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550929921] [2019-10-13 21:22:53,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:53,776 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:53,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:53,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:53,777 INFO L87 Difference]: Start difference. First operand 212 states and 244 transitions. Second operand 7 states. [2019-10-13 21:22:54,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:54,407 INFO L93 Difference]: Finished difference Result 413 states and 491 transitions. [2019-10-13 21:22:54,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:22:54,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2019-10-13 21:22:54,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:54,410 INFO L225 Difference]: With dead ends: 413 [2019-10-13 21:22:54,410 INFO L226 Difference]: Without dead ends: 229 [2019-10-13 21:22:54,412 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 [2019-10-13 21:22:54,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-10-13 21:22:54,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 211. [2019-10-13 21:22:54,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2019-10-13 21:22:54,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 241 transitions. [2019-10-13 21:22:54,431 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 241 transitions. Word has length 91 [2019-10-13 21:22:54,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:54,432 INFO L462 AbstractCegarLoop]: Abstraction has 211 states and 241 transitions. [2019-10-13 21:22:54,432 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:54,432 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 241 transitions. [2019-10-13 21:22:54,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:22:54,434 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:54,434 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] [2019-10-13 21:22:54,435 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:54,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:54,435 INFO L82 PathProgramCache]: Analyzing trace with hash -238329201, now seen corresponding path program 1 times [2019-10-13 21:22:54,435 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:54,435 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580246676] [2019-10-13 21:22:54,436 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,436 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:54,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:54,522 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580246676] [2019-10-13 21:22:54,523 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:54,523 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:54,523 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340880322] [2019-10-13 21:22:54,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:54,525 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:54,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:54,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:54,526 INFO L87 Difference]: Start difference. First operand 211 states and 241 transitions. Second operand 6 states. [2019-10-13 21:22:54,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:54,565 INFO L93 Difference]: Finished difference Result 399 states and 464 transitions. [2019-10-13 21:22:54,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:54,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2019-10-13 21:22:54,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:54,568 INFO L225 Difference]: With dead ends: 399 [2019-10-13 21:22:54,569 INFO L226 Difference]: Without dead ends: 216 [2019-10-13 21:22:54,570 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 [2019-10-13 21:22:54,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-10-13 21:22:54,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2019-10-13 21:22:54,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-10-13 21:22:54,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 246 transitions. [2019-10-13 21:22:54,592 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 246 transitions. Word has length 92 [2019-10-13 21:22:54,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:54,594 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 246 transitions. [2019-10-13 21:22:54,594 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:54,594 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 246 transitions. [2019-10-13 21:22:54,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:22:54,597 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:54,597 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] [2019-10-13 21:22:54,597 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:54,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:54,597 INFO L82 PathProgramCache]: Analyzing trace with hash 463270673, now seen corresponding path program 1 times [2019-10-13 21:22:54,598 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:54,598 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930576737] [2019-10-13 21:22:54,598 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,598 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:54,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:54,757 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930576737] [2019-10-13 21:22:54,757 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:54,757 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:54,758 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237698854] [2019-10-13 21:22:54,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:54,759 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:54,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:54,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:54,760 INFO L87 Difference]: Start difference. First operand 216 states and 246 transitions. Second operand 8 states. [2019-10-13 21:22:54,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:54,803 INFO L93 Difference]: Finished difference Result 411 states and 481 transitions. [2019-10-13 21:22:54,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:54,804 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2019-10-13 21:22:54,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:54,807 INFO L225 Difference]: With dead ends: 411 [2019-10-13 21:22:54,807 INFO L226 Difference]: Without dead ends: 223 [2019-10-13 21:22:54,808 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 [2019-10-13 21:22:54,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-10-13 21:22:54,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 220. [2019-10-13 21:22:54,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-10-13 21:22:54,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 250 transitions. [2019-10-13 21:22:54,835 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 250 transitions. Word has length 92 [2019-10-13 21:22:54,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:54,837 INFO L462 AbstractCegarLoop]: Abstraction has 220 states and 250 transitions. [2019-10-13 21:22:54,838 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:54,839 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 250 transitions. [2019-10-13 21:22:54,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:22:54,841 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:54,842 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] [2019-10-13 21:22:54,842 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:54,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:54,845 INFO L82 PathProgramCache]: Analyzing trace with hash -2106215726, now seen corresponding path program 1 times [2019-10-13 21:22:54,845 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:54,845 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107768745] [2019-10-13 21:22:54,845 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,845 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:54,926 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107768745] [2019-10-13 21:22:54,927 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:54,927 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:54,927 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093921269] [2019-10-13 21:22:54,927 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:54,928 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:54,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:54,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:54,929 INFO L87 Difference]: Start difference. First operand 220 states and 250 transitions. Second operand 4 states. [2019-10-13 21:22:55,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:55,181 INFO L93 Difference]: Finished difference Result 639 states and 763 transitions. [2019-10-13 21:22:55,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:55,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2019-10-13 21:22:55,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:55,188 INFO L225 Difference]: With dead ends: 639 [2019-10-13 21:22:55,189 INFO L226 Difference]: Without dead ends: 447 [2019-10-13 21:22:55,191 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 [2019-10-13 21:22:55,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-10-13 21:22:55,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 438. [2019-10-13 21:22:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2019-10-13 21:22:55,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 512 transitions. [2019-10-13 21:22:55,239 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 512 transitions. Word has length 92 [2019-10-13 21:22:55,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:55,240 INFO L462 AbstractCegarLoop]: Abstraction has 438 states and 512 transitions. [2019-10-13 21:22:55,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:55,240 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 512 transitions. [2019-10-13 21:22:55,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-10-13 21:22:55,243 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:55,243 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] [2019-10-13 21:22:55,243 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:55,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:55,244 INFO L82 PathProgramCache]: Analyzing trace with hash -302189332, now seen corresponding path program 1 times [2019-10-13 21:22:55,244 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:55,244 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281870212] [2019-10-13 21:22:55,245 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,245 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:55,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:55,461 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281870212] [2019-10-13 21:22:55,461 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:55,462 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:55,462 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009746621] [2019-10-13 21:22:55,463 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:55,463 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:55,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:55,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:55,464 INFO L87 Difference]: Start difference. First operand 438 states and 512 transitions. Second operand 9 states. [2019-10-13 21:22:56,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:56,469 INFO L93 Difference]: Finished difference Result 1143 states and 1401 transitions. [2019-10-13 21:22:56,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:22:56,471 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2019-10-13 21:22:56,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:56,476 INFO L225 Difference]: With dead ends: 1143 [2019-10-13 21:22:56,476 INFO L226 Difference]: Without dead ends: 801 [2019-10-13 21:22:56,478 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:56,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2019-10-13 21:22:56,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 728. [2019-10-13 21:22:56,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2019-10-13 21:22:56,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 841 transitions. [2019-10-13 21:22:56,528 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 841 transitions. Word has length 96 [2019-10-13 21:22:56,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:56,528 INFO L462 AbstractCegarLoop]: Abstraction has 728 states and 841 transitions. [2019-10-13 21:22:56,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:56,528 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 841 transitions. [2019-10-13 21:22:56,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-13 21:22:56,531 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:56,531 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:56,532 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:56,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:56,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1029431621, now seen corresponding path program 1 times [2019-10-13 21:22:56,532 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:56,532 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947766726] [2019-10-13 21:22:56,533 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,533 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:56,746 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:22:56,746 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947766726] [2019-10-13 21:22:56,747 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790485892] [2019-10-13 21:22:56,748 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 [2019-10-13 21:22:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:56,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:22:57,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:57,201 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:57,625 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:22:57,626 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1823121230] [2019-10-13 21:22:57,633 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 158 [2019-10-13 21:22:57,683 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:57,683 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:57,775 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:57,776 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:22:57,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:57,781 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:57,837 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:57,837 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:57,842 INFO L553 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2019-10-13 21:22:57,842 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:57,843 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:57,843 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:22:57,844 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543480597] [2019-10-13 21:22:57,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:57,845 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:57,845 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:57,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:57,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:57,846 INFO L87 Difference]: Start difference. First operand 728 states and 841 transitions. Second operand 2 states. [2019-10-13 21:22:57,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:57,857 INFO L93 Difference]: Finished difference Result 728 states and 841 transitions. [2019-10-13 21:22:57,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:57,857 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 157 [2019-10-13 21:22:57,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:57,857 INFO L225 Difference]: With dead ends: 728 [2019-10-13 21:22:57,858 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:57,860 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 [2019-10-13 21:22:57,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:57,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:57,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:57,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:57,861 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2019-10-13 21:22:57,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:57,862 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:57,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:57,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:57,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:58,067 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:58,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:58,322 INFO L443 ceAbstractionStarter]: For program point L668(lines 645 669) no Hoare annotation was computed. [2019-10-13 21:22:58,322 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 621 676) no Hoare annotation was computed. [2019-10-13 21:22:58,322 INFO L443 ceAbstractionStarter]: For program point L652(lines 652 656) no Hoare annotation was computed. [2019-10-13 21:22:58,323 INFO L443 ceAbstractionStarter]: For program point L652-1(lines 652 656) no Hoare annotation was computed. [2019-10-13 21:22:58,323 INFO L443 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2019-10-13 21:22:58,323 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 621 676) no Hoare annotation was computed. [2019-10-13 21:22:58,323 INFO L443 ceAbstractionStarter]: For program point L646-2(lines 646 667) no Hoare annotation was computed. [2019-10-13 21:22:58,323 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 621 676) no Hoare annotation was computed. [2019-10-13 21:22:58,323 INFO L443 ceAbstractionStarter]: For program point L704(line 704) no Hoare annotation was computed. [2019-10-13 21:22:58,323 INFO L443 ceAbstractionStarter]: For program point L703-2(lines 703 728) no Hoare annotation was computed. [2019-10-13 21:22:58,323 INFO L443 ceAbstractionStarter]: For program point L729(lines 702 730) no Hoare annotation was computed. [2019-10-13 21:22:58,323 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 677 736) no Hoare annotation was computed. [2019-10-13 21:22:58,324 INFO L443 ceAbstractionStarter]: For program point L722(line 722) no Hoare annotation was computed. [2019-10-13 21:22:58,324 INFO L443 ceAbstractionStarter]: For program point L722-1(line 722) no Hoare annotation was computed. [2019-10-13 21:22:58,324 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 677 736) no Hoare annotation was computed. [2019-10-13 21:22:58,324 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 677 736) no Hoare annotation was computed. [2019-10-13 21:22:58,324 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 713) no Hoare annotation was computed. [2019-10-13 21:22:58,324 INFO L443 ceAbstractionStarter]: For program point L709-1(lines 709 713) no Hoare annotation was computed. [2019-10-13 21:22:58,324 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 552 558) the Hoare annotation is: true [2019-10-13 21:22:58,325 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 552 558) no Hoare annotation was computed. [2019-10-13 21:22:58,325 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 559 567) no Hoare annotation was computed. [2019-10-13 21:22:58,325 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 559 567) the Hoare annotation is: true [2019-10-13 21:22:58,326 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 559 567) no Hoare annotation was computed. [2019-10-13 21:22:58,326 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 936 943) the Hoare annotation is: true [2019-10-13 21:22:58,326 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 936 943) no Hoare annotation was computed. [2019-10-13 21:22:58,326 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 936 943) no Hoare annotation was computed. [2019-10-13 21:22:58,326 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 944 953) the Hoare annotation is: true [2019-10-13 21:22:58,326 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 944 953) no Hoare annotation was computed. [2019-10-13 21:22:58,326 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 944 953) no Hoare annotation was computed. [2019-10-13 21:22:58,326 INFO L443 ceAbstractionStarter]: For program point L949(line 949) no Hoare annotation was computed. [2019-10-13 21:22:58,328 INFO L443 ceAbstractionStarter]: For program point L962-1(lines 954 982) no Hoare annotation was computed. [2019-10-13 21:22:58,328 INFO L446 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: true [2019-10-13 21:22:58,328 INFO L443 ceAbstractionStarter]: For program point L960-1(line 960) no Hoare annotation was computed. [2019-10-13 21:22:58,328 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 954 982) the Hoare annotation is: true [2019-10-13 21:22:58,328 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 954 982) no Hoare annotation was computed. [2019-10-13 21:22:58,329 INFO L446 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: true [2019-10-13 21:22:58,329 INFO L443 ceAbstractionStarter]: For program point L967(lines 967 973) no Hoare annotation was computed. [2019-10-13 21:22:58,329 INFO L443 ceAbstractionStarter]: For program point L966(lines 966 976) no Hoare annotation was computed. [2019-10-13 21:22:58,329 INFO L446 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: true [2019-10-13 21:22:58,329 INFO L443 ceAbstractionStarter]: For program point L964-1(line 964) no Hoare annotation was computed. [2019-10-13 21:22:58,329 INFO L443 ceAbstractionStarter]: For program point L962(lines 962 979) no Hoare annotation was computed. [2019-10-13 21:22:58,329 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 510 532) the Hoare annotation is: true [2019-10-13 21:22:58,329 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 510 532) no Hoare annotation was computed. [2019-10-13 21:22:58,330 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 510 532) no Hoare annotation was computed. [2019-10-13 21:22:58,330 INFO L446 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: true [2019-10-13 21:22:58,330 INFO L446 ceAbstractionStarter]: At program point L522-1(line 522) the Hoare annotation is: true [2019-10-13 21:22:58,330 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 527) no Hoare annotation was computed. [2019-10-13 21:22:58,330 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 520 527) no Hoare annotation was computed. [2019-10-13 21:22:58,330 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-13 21:22:58,330 INFO L446 ceAbstractionStarter]: At program point L517(line 517) the Hoare annotation is: true [2019-10-13 21:22:58,330 INFO L446 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: true [2019-10-13 21:22:58,330 INFO L446 ceAbstractionStarter]: At program point L516-1(line 516) the Hoare annotation is: true [2019-10-13 21:22:58,331 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-13 21:22:58,331 INFO L443 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2019-10-13 21:22:58,331 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 464 487) no Hoare annotation was computed. [2019-10-13 21:22:58,331 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-13 21:22:58,331 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-13 21:22:58,331 INFO L443 ceAbstractionStarter]: For program point L477(line 477) no Hoare annotation was computed. [2019-10-13 21:22:58,331 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 464 487) no Hoare annotation was computed. [2019-10-13 21:22:58,331 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-13 21:22:58,331 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 464 487) no Hoare annotation was computed. [2019-10-13 21:22:58,332 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-13 21:22:58,332 INFO L443 ceAbstractionStarter]: For program point L474(line 474) no Hoare annotation was computed. [2019-10-13 21:22:58,332 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-13 21:22:58,332 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-13 21:22:58,332 INFO L443 ceAbstractionStarter]: For program point L471(line 471) no Hoare annotation was computed. [2019-10-13 21:22:58,332 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-13 21:22:58,332 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-13 21:22:58,332 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-13 21:22:58,332 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 168 176) no Hoare annotation was computed. [2019-10-13 21:22:58,333 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 168 176) the Hoare annotation is: true [2019-10-13 21:22:58,333 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 168 176) no Hoare annotation was computed. [2019-10-13 21:22:58,333 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2019-10-13 21:22:58,333 INFO L446 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: true [2019-10-13 21:22:58,333 INFO L443 ceAbstractionStarter]: For program point L241-2(lines 241 245) no Hoare annotation was computed. [2019-10-13 21:22:58,333 INFO L443 ceAbstractionStarter]: For program point L239-1(line 239) no Hoare annotation was computed. [2019-10-13 21:22:58,333 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 232 250) the Hoare annotation is: true [2019-10-13 21:22:58,333 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 232 250) no Hoare annotation was computed. [2019-10-13 21:22:58,334 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 232 250) no Hoare annotation was computed. [2019-10-13 21:22:58,334 INFO L443 ceAbstractionStarter]: For program point L184(lines 184 192) no Hoare annotation was computed. [2019-10-13 21:22:58,334 INFO L443 ceAbstractionStarter]: For program point L184-2(lines 184 192) no Hoare annotation was computed. [2019-10-13 21:22:58,334 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-10-13 21:22:58,334 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 177 212) no Hoare annotation was computed. [2019-10-13 21:22:58,334 INFO L443 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2019-10-13 21:22:58,334 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 177 212) no Hoare annotation was computed. [2019-10-13 21:22:58,335 INFO L443 ceAbstractionStarter]: For program point L196(lines 196 204) no Hoare annotation was computed. [2019-10-13 21:22:58,335 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 177 212) no Hoare annotation was computed. [2019-10-13 21:22:58,335 INFO L443 ceAbstractionStarter]: For program point L196-2(lines 196 204) no Hoare annotation was computed. [2019-10-13 21:22:58,335 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 545 551) no Hoare annotation was computed. [2019-10-13 21:22:58,336 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 545 551) the Hoare annotation is: true [2019-10-13 21:22:58,336 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 575 620) no Hoare annotation was computed. [2019-10-13 21:22:58,336 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 575 620) no Hoare annotation was computed. [2019-10-13 21:22:58,336 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 575 620) no Hoare annotation was computed. [2019-10-13 21:22:58,336 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 888 933) no Hoare annotation was computed. [2019-10-13 21:22:58,336 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 915) no Hoare annotation was computed. [2019-10-13 21:22:58,336 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 888 933) no Hoare annotation was computed. [2019-10-13 21:22:58,336 INFO L443 ceAbstractionStarter]: For program point L902(lines 902 922) no Hoare annotation was computed. [2019-10-13 21:22:58,336 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 888 933) no Hoare annotation was computed. [2019-10-13 21:22:58,337 INFO L443 ceAbstractionStarter]: For program point L902-1(lines 902 922) no Hoare annotation was computed. [2019-10-13 21:22:58,337 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 496 506) the Hoare annotation is: true [2019-10-13 21:22:58,337 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 496 506) no Hoare annotation was computed. [2019-10-13 21:22:58,337 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 496 506) no Hoare annotation was computed. [2019-10-13 21:22:58,337 INFO L446 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: true [2019-10-13 21:22:58,337 INFO L443 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2019-10-13 21:22:58,337 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 157 167) no Hoare annotation was computed. [2019-10-13 21:22:58,337 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 157 167) no Hoare annotation was computed. [2019-10-13 21:22:58,337 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 157 167) no Hoare annotation was computed. [2019-10-13 21:22:58,338 INFO L443 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2019-10-13 21:22:58,340 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 149 156) the Hoare annotation is: true [2019-10-13 21:22:58,341 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 149 156) no Hoare annotation was computed. [2019-10-13 21:22:58,341 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 149 156) no Hoare annotation was computed. [2019-10-13 21:22:58,341 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 400 413) no Hoare annotation was computed. [2019-10-13 21:22:58,341 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 410) no Hoare annotation was computed. [2019-10-13 21:22:58,341 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 400 413) the Hoare annotation is: true [2019-10-13 21:22:58,341 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 400 413) no Hoare annotation was computed. [2019-10-13 21:22:58,341 INFO L446 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: true [2019-10-13 21:22:58,341 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 132) no Hoare annotation was computed. [2019-10-13 21:22:58,342 INFO L446 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: true [2019-10-13 21:22:58,342 INFO L443 ceAbstractionStarter]: For program point L122-1(line 122) no Hoare annotation was computed. [2019-10-13 21:22:58,342 INFO L443 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2019-10-13 21:22:58,342 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 116 140) no Hoare annotation was computed. [2019-10-13 21:22:58,342 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 116 140) the Hoare annotation is: true [2019-10-13 21:22:58,342 INFO L446 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: true [2019-10-13 21:22:58,342 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 116 140) no Hoare annotation was computed. [2019-10-13 21:22:58,342 INFO L446 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: true [2019-10-13 21:22:58,343 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2019-10-13 21:22:58,343 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2019-10-13 21:22:58,343 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 255 318) the Hoare annotation is: true [2019-10-13 21:22:58,343 INFO L446 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: true [2019-10-13 21:22:58,343 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 291) no Hoare annotation was computed. [2019-10-13 21:22:58,343 INFO L443 ceAbstractionStarter]: For program point L285-1(lines 285 291) no Hoare annotation was computed. [2019-10-13 21:22:58,343 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 255 318) no Hoare annotation was computed. [2019-10-13 21:22:58,343 INFO L446 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: true [2019-10-13 21:22:58,343 INFO L446 ceAbstractionStarter]: At program point L308(lines 265 310) the Hoare annotation is: true [2019-10-13 21:22:58,344 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 281) no Hoare annotation was computed. [2019-10-13 21:22:58,344 INFO L443 ceAbstractionStarter]: For program point L275-1(lines 275 281) no Hoare annotation was computed. [2019-10-13 21:22:58,344 INFO L443 ceAbstractionStarter]: For program point L267(lines 267 271) no Hoare annotation was computed. [2019-10-13 21:22:58,344 INFO L446 ceAbstractionStarter]: At program point L311(lines 264 312) the Hoare annotation is: true [2019-10-13 21:22:58,344 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 305) no Hoare annotation was computed. [2019-10-13 21:22:58,344 INFO L446 ceAbstractionStarter]: At program point L301-2(lines 295 306) the Hoare annotation is: true [2019-10-13 21:22:58,344 INFO L443 ceAbstractionStarter]: For program point L266(lines 265 310) no Hoare annotation was computed. [2019-10-13 21:22:58,344 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 306) no Hoare annotation was computed. [2019-10-13 21:22:58,345 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 255 318) no Hoare annotation was computed. [2019-10-13 21:22:58,345 INFO L443 ceAbstractionStarter]: For program point L862(lines 862 869) no Hoare annotation was computed. [2019-10-13 21:22:58,345 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 842 887) no Hoare annotation was computed. [2019-10-13 21:22:58,345 INFO L443 ceAbstractionStarter]: For program point L856(lines 856 876) no Hoare annotation was computed. [2019-10-13 21:22:58,345 INFO L443 ceAbstractionStarter]: For program point L856-1(lines 856 876) no Hoare annotation was computed. [2019-10-13 21:22:58,345 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 842 887) no Hoare annotation was computed. [2019-10-13 21:22:58,345 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 842 887) no Hoare annotation was computed. [2019-10-13 21:22:58,345 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 414 422) no Hoare annotation was computed. [2019-10-13 21:22:58,346 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 414 422) the Hoare annotation is: true [2019-10-13 21:22:58,346 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 414 422) no Hoare annotation was computed. [2019-10-13 21:22:58,346 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 368 390) no Hoare annotation was computed. [2019-10-13 21:22:58,346 INFO L443 ceAbstractionStarter]: For program point L376(lines 376 384) no Hoare annotation was computed. [2019-10-13 21:22:58,346 INFO L443 ceAbstractionStarter]: For program point L376-2(lines 376 384) no Hoare annotation was computed. [2019-10-13 21:22:58,346 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 368 390) no Hoare annotation was computed. [2019-10-13 21:22:58,346 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 368 390) no Hoare annotation was computed. [2019-10-13 21:22:58,346 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 535 544) no Hoare annotation was computed. [2019-10-13 21:22:58,347 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 535 544) no Hoare annotation was computed. [2019-10-13 21:22:58,347 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 535 544) no Hoare annotation was computed. [2019-10-13 21:22:58,347 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 784) no Hoare annotation was computed. [2019-10-13 21:22:58,347 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 739 841) no Hoare annotation was computed. [2019-10-13 21:22:58,347 INFO L443 ceAbstractionStarter]: For program point L828(lines 828 835) no Hoare annotation was computed. [2019-10-13 21:22:58,347 INFO L443 ceAbstractionStarter]: For program point L789(lines 788 808) no Hoare annotation was computed. [2019-10-13 21:22:58,347 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-13 21:22:58,347 INFO L443 ceAbstractionStarter]: For program point L820-1(line 820) no Hoare annotation was computed. [2019-10-13 21:22:58,348 INFO L443 ceAbstractionStarter]: For program point L785(lines 785 826) no Hoare annotation was computed. [2019-10-13 21:22:58,348 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 739 841) no Hoare annotation was computed. [2019-10-13 21:22:58,348 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-10-13 21:22:58,348 INFO L443 ceAbstractionStarter]: For program point L804-1(line 804) no Hoare annotation was computed. [2019-10-13 21:22:58,348 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 767) no Hoare annotation was computed. [2019-10-13 21:22:58,349 INFO L443 ceAbstractionStarter]: For program point L827(lines 827 838) no Hoare annotation was computed. [2019-10-13 21:22:58,349 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 794) no Hoare annotation was computed. [2019-10-13 21:22:58,349 INFO L443 ceAbstractionStarter]: For program point L788-2(lines 788 808) no Hoare annotation was computed. [2019-10-13 21:22:58,349 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 739 841) no Hoare annotation was computed. [2019-10-13 21:22:58,349 INFO L443 ceAbstractionStarter]: For program point L809(lines 787 810) no Hoare annotation was computed. [2019-10-13 21:22:58,349 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:58,350 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))) [2019-10-13 21:22:58,350 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:58,350 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 141 148) no Hoare annotation was computed. [2019-10-13 21:22:58,350 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 141 148) no Hoare annotation was computed. [2019-10-13 21:22:58,350 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 141 148) the Hoare annotation is: true [2019-10-13 21:22:58,350 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 213 231) no Hoare annotation was computed. [2019-10-13 21:22:58,350 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 226) no Hoare annotation was computed. [2019-10-13 21:22:58,350 INFO L446 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: true [2019-10-13 21:22:58,351 INFO L443 ceAbstractionStarter]: For program point L222-2(lines 222 226) no Hoare annotation was computed. [2019-10-13 21:22:58,351 INFO L443 ceAbstractionStarter]: For program point L220-1(line 220) no Hoare annotation was computed. [2019-10-13 21:22:58,351 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 213 231) the Hoare annotation is: true [2019-10-13 21:22:58,351 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 213 231) no Hoare annotation was computed. [2019-10-13 21:22:58,351 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 391 399) the Hoare annotation is: true [2019-10-13 21:22:58,351 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 391 399) no Hoare annotation was computed. [2019-10-13 21:22:58,351 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 391 399) no Hoare annotation was computed. [2019-10-13 21:22:58,351 INFO L443 ceAbstractionStarter]: For program point L351-1(lines 347 358) no Hoare annotation was computed. [2019-10-13 21:22:58,352 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 347 358) the Hoare annotation is: true [2019-10-13 21:22:58,352 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 347 358) no Hoare annotation was computed. [2019-10-13 21:22:58,353 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:58,353 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:58,353 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:58,353 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 359 367) no Hoare annotation was computed. [2019-10-13 21:22:58,353 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 359 367) no Hoare annotation was computed. [2019-10-13 21:22:58,353 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 359 367) no Hoare annotation was computed. [2019-10-13 21:22:58,353 INFO L446 ceAbstractionStarter]: At program point L64(line 64) the Hoare annotation is: true [2019-10-13 21:22:58,353 INFO L443 ceAbstractionStarter]: For program point L62(lines 58 80) no Hoare annotation was computed. [2019-10-13 21:22:58,354 INFO L443 ceAbstractionStarter]: For program point L60(lines 58 80) no Hoare annotation was computed. [2019-10-13 21:22:58,354 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: true [2019-10-13 21:22:58,354 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2019-10-13 21:22:58,354 INFO L446 ceAbstractionStarter]: At program point L71(line 71) the Hoare annotation is: true [2019-10-13 21:22:58,354 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2019-10-13 21:22:58,354 INFO L446 ceAbstractionStarter]: At program point L69(lines 69 75) the Hoare annotation is: true [2019-10-13 21:22:58,355 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 452) no Hoare annotation was computed. [2019-10-13 21:22:58,355 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 434 463) no Hoare annotation was computed. [2019-10-13 21:22:58,355 INFO L446 ceAbstractionStarter]: At program point L448-1(lines 448 452) the Hoare annotation is: true [2019-10-13 21:22:58,356 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-13 21:22:58,356 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 434 463) the Hoare annotation is: true [2019-10-13 21:22:58,356 INFO L446 ceAbstractionStarter]: At program point L444-2(lines 444 458) the Hoare annotation is: true [2019-10-13 21:22:58,356 INFO L446 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: true [2019-10-13 21:22:58,356 INFO L443 ceAbstractionStarter]: For program point L440-1(line 440) no Hoare annotation was computed. [2019-10-13 21:22:58,356 INFO L446 ceAbstractionStarter]: At program point L459(lines 434 463) the Hoare annotation is: true [2019-10-13 21:22:58,356 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-13 21:22:58,356 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 323 334) the Hoare annotation is: true [2019-10-13 21:22:58,356 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 323 334) no Hoare annotation was computed. [2019-10-13 21:22:58,357 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 323 334) no Hoare annotation was computed. [2019-10-13 21:22:58,357 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 488 494) no Hoare annotation was computed. [2019-10-13 21:22:58,357 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 488 494) the Hoare annotation is: true [2019-10-13 21:22:58,357 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:58,357 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:58,357 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:58,357 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:58,357 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 90 114) the Hoare annotation is: true [2019-10-13 21:22:58,357 INFO L446 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: true [2019-10-13 21:22:58,358 INFO L443 ceAbstractionStarter]: For program point L96-1(line 96) no Hoare annotation was computed. [2019-10-13 21:22:58,358 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 111) no Hoare annotation was computed. [2019-10-13 21:22:58,358 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 90 114) no Hoare annotation was computed. [2019-10-13 21:22:58,358 INFO L446 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: true [2019-10-13 21:22:58,358 INFO L443 ceAbstractionStarter]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2019-10-13 21:22:58,358 INFO L446 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: true [2019-10-13 21:22:58,358 INFO L446 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: true [2019-10-13 21:22:58,358 INFO L443 ceAbstractionStarter]: For program point L98(lines 98 106) no Hoare annotation was computed. [2019-10-13 21:22:58,358 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 335 346) no Hoare annotation was computed. [2019-10-13 21:22:58,359 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 335 346) the Hoare annotation is: true [2019-10-13 21:22:58,359 INFO L443 ceAbstractionStarter]: For program point L339-1(lines 335 346) no Hoare annotation was computed. [2019-10-13 21:22:58,359 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 424 431) no Hoare annotation was computed. [2019-10-13 21:22:58,359 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 424 431) the Hoare annotation is: true [2019-10-13 21:22:58,359 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 424 431) no Hoare annotation was computed. [2019-10-13 21:22:58,359 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 428) no Hoare annotation was computed. [2019-10-13 21:22:58,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:58 BoogieIcfgContainer [2019-10-13 21:22:58,370 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:58,373 INFO L168 Benchmark]: Toolchain (without parser) took 8688.82 ms. Allocated memory was 140.0 MB in the beginning and 316.1 MB in the end (delta: 176.2 MB). Free memory was 104.3 MB in the beginning and 156.3 MB in the end (delta: -52.0 MB). Peak memory consumption was 124.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:58,374 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 21:22:58,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.96 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 103.9 MB in the beginning and 173.1 MB in the end (delta: -69.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:58,376 INFO L168 Benchmark]: Boogie Preprocessor took 94.24 ms. Allocated memory is still 205.0 MB. Free memory was 173.1 MB in the beginning and 168.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:58,381 INFO L168 Benchmark]: RCFGBuilder took 1188.65 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 168.2 MB in the beginning and 194.2 MB in the end (delta: -25.9 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:58,382 INFO L168 Benchmark]: TraceAbstraction took 6704.26 ms. Allocated memory was 234.9 MB in the beginning and 316.1 MB in the end (delta: 81.3 MB). Free memory was 192.5 MB in the beginning and 156.3 MB in the end (delta: 36.2 MB). Peak memory consumption was 117.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:58,392 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.96 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 103.9 MB in the beginning and 173.1 MB in the end (delta: -69.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.24 ms. Allocated memory is still 205.0 MB. Free memory was 173.1 MB in the beginning and 168.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1188.65 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 168.2 MB in the beginning and 194.2 MB in the end (delta: -25.9 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6704.26 ms. Allocated memory was 234.9 MB in the beginning and 316.1 MB in the end (delta: 81.3 MB). Free memory was 192.5 MB in the beginning and 156.3 MB in the end (delta: 36.2 MB). Peak memory consumption was 117.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 428]: 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: 434]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 6.6s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1536 SDtfs, 1063 SDslu, 2682 SDs, 0 SdLazy, 1570 SolverSat, 371 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 253 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=728occurred 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, 121 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 893 PreInvPairs, 895 NumberOfFragments, 71 HoareAnnotationTreeSize, 893 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 61 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1050 NumberOfCodeBlocks, 1050 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1195 ConstructedInterpolants, 0 QuantifiedInterpolants, 231997 SizeOfPredicates, 4 NumberOfNonLiveVariables, 916 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 124/153 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 149, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8461538461538461, 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...