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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:59:20,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:59:20,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:59:20,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:59:20,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:59:20,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:59:20,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:59:20,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:59:20,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:59:20,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:59:20,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:59:20,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:59:20,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:59:20,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:59:20,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:59:20,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:59:20,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:59:20,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:59:20,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:59:20,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:59:20,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:59:20,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:59:20,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:59:20,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:59:20,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:59:20,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:59:20,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:59:20,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:59:20,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:59:20,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:59:20,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:59:20,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:59:20,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:59:20,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:59:20,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:59:20,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:59:20,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:59:20,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:59:20,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:59:20,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:59:20,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:59:20,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:59:20,455 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:59:20,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:59:20,456 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:59:20,456 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:59:20,457 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:59:20,457 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:59:20,457 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:59:20,458 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:59:20,458 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:59:20,458 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:59:20,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:59:20,459 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:59:20,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:59:20,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:59:20,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:59:20,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:59:20,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:59:20,460 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:59:20,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:59:20,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:59:20,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:59:20,461 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:59:20,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:59:20,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:59:20,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:59:20,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:59:20,462 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:59:20,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:59:20,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:59:20,463 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:59:20,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:59:20,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:59:20,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:59:20,519 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:59:20,519 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:59:20,520 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_productSimulator.cil.c [2019-10-03 02:59:20,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dc774576/6b63f2379a6a40f2ab5ee1a3d083ec18/FLAGdabeb935e [2019-10-03 02:59:21,178 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:59:21,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_productSimulator.cil.c [2019-10-03 02:59:21,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dc774576/6b63f2379a6a40f2ab5ee1a3d083ec18/FLAGdabeb935e [2019-10-03 02:59:21,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dc774576/6b63f2379a6a40f2ab5ee1a3d083ec18 [2019-10-03 02:59:21,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:59:21,500 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:59:21,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:59:21,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:59:21,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:59:21,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:59:21" (1/1) ... [2019-10-03 02:59:21,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c86a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:59:21, skipping insertion in model container [2019-10-03 02:59:21,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:59:21" (1/1) ... [2019-10-03 02:59:21,515 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:59:21,559 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:59:22,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:59:22,061 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:59:22,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:59:22,257 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:59:22,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:59:22 WrapperNode [2019-10-03 02:59:22,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:59:22,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:59:22,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:59:22,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:59:22,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:59:22" (1/1) ... [2019-10-03 02:59:22,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:59:22" (1/1) ... [2019-10-03 02:59:22,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:59:22" (1/1) ... [2019-10-03 02:59:22,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:59:22" (1/1) ... [2019-10-03 02:59:22,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:59:22" (1/1) ... [2019-10-03 02:59:22,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:59:22" (1/1) ... [2019-10-03 02:59:22,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:59:22" (1/1) ... [2019-10-03 02:59:22,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:59:22,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:59:22,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:59:22,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:59:22,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:59:22" (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 [2019-10-03 02:59:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:59:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:59:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:59:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-03 02:59:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-03 02:59:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-03 02:59:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-03 02:59:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-03 02:59:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-03 02:59:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-03 02:59:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-03 02:59:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-03 02:59:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-03 02:59:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:59:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-03 02:59:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:59:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:59:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:59:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:59:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:59:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:59:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:59:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:59:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:59:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:59:22,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:59:22,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:59:22,445 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:59:22,445 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-03 02:59:22,445 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2019-10-03 02:59:22,445 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2019-10-03 02:59:22,446 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2019-10-03 02:59:22,446 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2019-10-03 02:59:22,446 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2019-10-03 02:59:22,446 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2019-10-03 02:59:22,446 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-03 02:59:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2019-10-03 02:59:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2019-10-03 02:59:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-03 02:59:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-03 02:59:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-03 02:59:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-03 02:59:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-03 02:59:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-03 02:59:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-03 02:59:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-03 02:59:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-03 02:59:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-03 02:59:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-03 02:59:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-03 02:59:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:59:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:59:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:59:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-03 02:59:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-03 02:59:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-03 02:59:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-03 02:59:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-03 02:59:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-03 02:59:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-03 02:59:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-03 02:59:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:59:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-03 02:59:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-03 02:59:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-03 02:59:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-03 02:59:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:59:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-03 02:59:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:59:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-03 02:59:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:59:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:59:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:59:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:59:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:59:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:59:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:59:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:59:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:59:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:59:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:59:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:59:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:59:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:59:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:59:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:59:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:59:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:59:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:59:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:59:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:59:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:59:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-03 02:59:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-03 02:59:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-03 02:59:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-03 02:59:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-03 02:59:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-03 02:59:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-03 02:59:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-03 02:59:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2019-10-03 02:59:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-03 02:59:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2019-10-03 02:59:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2019-10-03 02:59:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-03 02:59:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2019-10-03 02:59:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2019-10-03 02:59:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-03 02:59:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2019-10-03 02:59:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2019-10-03 02:59:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2019-10-03 02:59:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:59:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:59:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:59:23,726 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:59:23,727 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-03 02:59:23,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:59:23 BoogieIcfgContainer [2019-10-03 02:59:23,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:59:23,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:59:23,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:59:23,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:59:23,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:59:21" (1/3) ... [2019-10-03 02:59:23,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d491d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:59:23, skipping insertion in model container [2019-10-03 02:59:23,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:59:22" (2/3) ... [2019-10-03 02:59:23,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d491d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:59:23, skipping insertion in model container [2019-10-03 02:59:23,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:59:23" (3/3) ... [2019-10-03 02:59:23,742 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_productSimulator.cil.c [2019-10-03 02:59:23,753 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:59:23,765 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:59:23,784 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:59:23,813 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:59:23,813 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:59:23,813 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:59:23,814 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:59:23,814 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:59:23,814 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:59:23,814 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:59:23,814 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:59:23,837 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2019-10-03 02:59:23,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-10-03 02:59:23,856 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:23,857 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 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] [2019-10-03 02:59:23,860 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:23,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:23,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1762673243, now seen corresponding path program 1 times [2019-10-03 02:59:23,869 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:23,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:23,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:23,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:23,929 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:24,326 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-03 02:59:24,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:59:24,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:59:24,329 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:24,335 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:59:24,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:59:24,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:59:24,355 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 2 states. [2019-10-03 02:59:24,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:24,420 INFO L93 Difference]: Finished difference Result 223 states and 271 transitions. [2019-10-03 02:59:24,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:59:24,423 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 91 [2019-10-03 02:59:24,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:24,453 INFO L225 Difference]: With dead ends: 223 [2019-10-03 02:59:24,453 INFO L226 Difference]: Without dead ends: 212 [2019-10-03 02:59:24,459 INFO L640 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 [2019-10-03 02:59:24,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-10-03 02:59:24,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2019-10-03 02:59:24,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-10-03 02:59:24,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 259 transitions. [2019-10-03 02:59:24,570 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 259 transitions. Word has length 91 [2019-10-03 02:59:24,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:24,574 INFO L475 AbstractCegarLoop]: Abstraction has 212 states and 259 transitions. [2019-10-03 02:59:24,574 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:59:24,574 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 259 transitions. [2019-10-03 02:59:24,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-03 02:59:24,589 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:24,589 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 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] [2019-10-03 02:59:24,590 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:24,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:24,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1489086657, now seen corresponding path program 1 times [2019-10-03 02:59:24,591 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:24,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:24,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:24,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:24,595 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:24,814 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-03 02:59:24,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:59:24,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:59:24,815 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:24,817 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:59:24,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:59:24,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:59:24,818 INFO L87 Difference]: Start difference. First operand 212 states and 259 transitions. Second operand 3 states. [2019-10-03 02:59:24,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:24,858 INFO L93 Difference]: Finished difference Result 203 states and 247 transitions. [2019-10-03 02:59:24,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:59:24,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2019-10-03 02:59:24,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:24,869 INFO L225 Difference]: With dead ends: 203 [2019-10-03 02:59:24,869 INFO L226 Difference]: Without dead ends: 203 [2019-10-03 02:59:24,870 INFO L640 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 [2019-10-03 02:59:24,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-10-03 02:59:24,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2019-10-03 02:59:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-10-03 02:59:24,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 247 transitions. [2019-10-03 02:59:24,891 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 247 transitions. Word has length 92 [2019-10-03 02:59:24,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:24,892 INFO L475 AbstractCegarLoop]: Abstraction has 203 states and 247 transitions. [2019-10-03 02:59:24,892 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:59:24,892 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 247 transitions. [2019-10-03 02:59:24,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-03 02:59:24,894 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:24,894 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 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] [2019-10-03 02:59:24,894 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:24,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:24,895 INFO L82 PathProgramCache]: Analyzing trace with hash -2081754782, now seen corresponding path program 1 times [2019-10-03 02:59:24,897 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:24,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:24,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:24,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:24,900 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-03 02:59:25,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:59:25,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:59:25,181 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:25,183 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:59:25,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:59:25,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:59:25,184 INFO L87 Difference]: Start difference. First operand 203 states and 247 transitions. Second operand 9 states. [2019-10-03 02:59:26,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:26,787 INFO L93 Difference]: Finished difference Result 419 states and 520 transitions. [2019-10-03 02:59:26,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 02:59:26,787 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2019-10-03 02:59:26,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:26,793 INFO L225 Difference]: With dead ends: 419 [2019-10-03 02:59:26,793 INFO L226 Difference]: Without dead ends: 419 [2019-10-03 02:59:26,794 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2019-10-03 02:59:26,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2019-10-03 02:59:26,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 407. [2019-10-03 02:59:26,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-03 02:59:26,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 508 transitions. [2019-10-03 02:59:26,895 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 508 transitions. Word has length 97 [2019-10-03 02:59:26,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:26,896 INFO L475 AbstractCegarLoop]: Abstraction has 407 states and 508 transitions. [2019-10-03 02:59:26,896 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:59:26,896 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 508 transitions. [2019-10-03 02:59:26,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-03 02:59:26,899 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:26,900 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 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] [2019-10-03 02:59:26,900 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:26,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:26,901 INFO L82 PathProgramCache]: Analyzing trace with hash -995246095, now seen corresponding path program 1 times [2019-10-03 02:59:26,901 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:26,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:26,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:26,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:26,904 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:27,090 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-03 02:59:27,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:59:27,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:59:27,090 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:27,092 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:59:27,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:59:27,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:59:27,097 INFO L87 Difference]: Start difference. First operand 407 states and 508 transitions. Second operand 7 states. [2019-10-03 02:59:28,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:28,217 INFO L93 Difference]: Finished difference Result 691 states and 900 transitions. [2019-10-03 02:59:28,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-03 02:59:28,220 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 103 [2019-10-03 02:59:28,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:28,225 INFO L225 Difference]: With dead ends: 691 [2019-10-03 02:59:28,225 INFO L226 Difference]: Without dead ends: 691 [2019-10-03 02:59:28,226 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-03 02:59:28,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2019-10-03 02:59:28,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 631. [2019-10-03 02:59:28,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2019-10-03 02:59:28,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 799 transitions. [2019-10-03 02:59:28,294 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 799 transitions. Word has length 103 [2019-10-03 02:59:28,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:28,297 INFO L475 AbstractCegarLoop]: Abstraction has 631 states and 799 transitions. [2019-10-03 02:59:28,298 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:59:28,298 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 799 transitions. [2019-10-03 02:59:28,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-03 02:59:28,306 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:28,306 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:59:28,307 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:28,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:28,308 INFO L82 PathProgramCache]: Analyzing trace with hash -2077668553, now seen corresponding path program 1 times [2019-10-03 02:59:28,308 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:28,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:28,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:28,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:28,311 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:28,452 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-03 02:59:28,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:59:28,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:59:28,452 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:28,454 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:59:28,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:59:28,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:59:28,455 INFO L87 Difference]: Start difference. First operand 631 states and 799 transitions. Second operand 9 states. [2019-10-03 02:59:28,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:28,808 INFO L93 Difference]: Finished difference Result 645 states and 813 transitions. [2019-10-03 02:59:28,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 02:59:28,809 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 136 [2019-10-03 02:59:28,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:28,814 INFO L225 Difference]: With dead ends: 645 [2019-10-03 02:59:28,814 INFO L226 Difference]: Without dead ends: 645 [2019-10-03 02:59:28,814 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2019-10-03 02:59:28,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-10-03 02:59:28,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 639. [2019-10-03 02:59:28,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2019-10-03 02:59:28,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 807 transitions. [2019-10-03 02:59:28,846 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 807 transitions. Word has length 136 [2019-10-03 02:59:28,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:28,847 INFO L475 AbstractCegarLoop]: Abstraction has 639 states and 807 transitions. [2019-10-03 02:59:28,847 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:59:28,847 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 807 transitions. [2019-10-03 02:59:28,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-03 02:59:28,850 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:28,850 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:59:28,851 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:28,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:28,851 INFO L82 PathProgramCache]: Analyzing trace with hash -232301387, now seen corresponding path program 1 times [2019-10-03 02:59:28,851 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:28,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:28,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:28,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:28,854 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-03 02:59:28,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:59:28,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:59:28,962 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:28,963 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:59:28,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:59:28,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:59:28,964 INFO L87 Difference]: Start difference. First operand 639 states and 807 transitions. Second operand 6 states. [2019-10-03 02:59:29,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:29,003 INFO L93 Difference]: Finished difference Result 653 states and 823 transitions. [2019-10-03 02:59:29,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:59:29,004 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2019-10-03 02:59:29,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:29,009 INFO L225 Difference]: With dead ends: 653 [2019-10-03 02:59:29,009 INFO L226 Difference]: Without dead ends: 653 [2019-10-03 02:59:29,010 INFO L640 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 [2019-10-03 02:59:29,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2019-10-03 02:59:29,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 649. [2019-10-03 02:59:29,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2019-10-03 02:59:29,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 817 transitions. [2019-10-03 02:59:29,051 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 817 transitions. Word has length 136 [2019-10-03 02:59:29,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:29,052 INFO L475 AbstractCegarLoop]: Abstraction has 649 states and 817 transitions. [2019-10-03 02:59:29,052 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:59:29,052 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 817 transitions. [2019-10-03 02:59:29,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-03 02:59:29,056 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:29,056 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:59:29,057 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:29,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:29,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1768602104, now seen corresponding path program 1 times [2019-10-03 02:59:29,058 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:29,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:29,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:29,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:29,062 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:29,240 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-03 02:59:29,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:59:29,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 02:59:29,241 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:29,241 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 02:59:29,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 02:59:29,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 02:59:29,242 INFO L87 Difference]: Start difference. First operand 649 states and 817 transitions. Second operand 4 states. [2019-10-03 02:59:29,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:29,560 INFO L93 Difference]: Finished difference Result 1381 states and 1825 transitions. [2019-10-03 02:59:29,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-03 02:59:29,560 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2019-10-03 02:59:29,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:29,570 INFO L225 Difference]: With dead ends: 1381 [2019-10-03 02:59:29,571 INFO L226 Difference]: Without dead ends: 1381 [2019-10-03 02:59:29,571 INFO L640 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 [2019-10-03 02:59:29,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2019-10-03 02:59:29,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1364. [2019-10-03 02:59:29,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1364 states. [2019-10-03 02:59:29,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1788 transitions. [2019-10-03 02:59:29,641 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1788 transitions. Word has length 136 [2019-10-03 02:59:29,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:29,642 INFO L475 AbstractCegarLoop]: Abstraction has 1364 states and 1788 transitions. [2019-10-03 02:59:29,642 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 02:59:29,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1788 transitions. [2019-10-03 02:59:29,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-03 02:59:29,646 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:29,646 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:59:29,647 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:29,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:29,647 INFO L82 PathProgramCache]: Analyzing trace with hash 2097761874, now seen corresponding path program 1 times [2019-10-03 02:59:29,647 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:29,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:29,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:29,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:29,650 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-03 02:59:29,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:59:29,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:59:29,843 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:29,843 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:59:29,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:59:29,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:59:29,844 INFO L87 Difference]: Start difference. First operand 1364 states and 1788 transitions. Second operand 9 states. [2019-10-03 02:59:31,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:31,522 INFO L93 Difference]: Finished difference Result 2654 states and 3444 transitions. [2019-10-03 02:59:31,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-03 02:59:31,523 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 140 [2019-10-03 02:59:31,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:31,542 INFO L225 Difference]: With dead ends: 2654 [2019-10-03 02:59:31,543 INFO L226 Difference]: Without dead ends: 2654 [2019-10-03 02:59:31,543 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-03 02:59:31,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2654 states. [2019-10-03 02:59:31,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2654 to 2575. [2019-10-03 02:59:31,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2575 states. [2019-10-03 02:59:31,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2575 states and 3322 transitions. [2019-10-03 02:59:31,684 INFO L78 Accepts]: Start accepts. Automaton has 2575 states and 3322 transitions. Word has length 140 [2019-10-03 02:59:31,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:31,685 INFO L475 AbstractCegarLoop]: Abstraction has 2575 states and 3322 transitions. [2019-10-03 02:59:31,685 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:59:31,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 3322 transitions. [2019-10-03 02:59:31,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-03 02:59:31,690 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:31,691 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:59:31,691 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:31,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:31,692 INFO L82 PathProgramCache]: Analyzing trace with hash 314895610, now seen corresponding path program 1 times [2019-10-03 02:59:31,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:31,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:31,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:31,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:31,696 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-03 02:59:31,870 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:59:31,870 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:59:31,871 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2019-10-03 02:59:31,874 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [56], [59], [92], [95], [97], [100], [110], [122], [124], [126], [128], [130], [132], [134], [135], [162], [166], [167], [172], [174], [175], [184], [188], [192], [195], [198], [200], [206], [208], [211], [217], [261], [262], [276], [278], [279], [280], [281], [283], [288], [290], [291], [297], [300], [304], [310], [339], [343], [344], [349], [353], [354], [361], [363], [364], [365], [385], [386], [388], [389], [390], [392], [395], [397], [400], [403], [412], [414], [415], [416], [419], [421], [423], [468], [469], [517], [518], [528], [536], [537], [538], [539], [540], [541], [542], [543], [544], [578], [579], [580], [581], [588], [589], [590], [591], [592], [593], [594], [595], [596], [597], [598], [599], [606], [607], [608], [609], [616], [617], [630], [631], [632], [633], [634], [635], [636], [637], [638], [639], [640], [641], [648], [649], [658], [659], [660], [661], [662], [663], [664], [666], [667], [668], [669], [672], [673], [674], [682], [683], [684] [2019-10-03 02:59:31,922 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:59:31,923 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:59:32,011 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:59:32,012 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 85 root evaluator evaluations with a maximum evaluation depth of 0. Performed 85 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 144 variables. [2019-10-03 02:59:32,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:32,017 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:59:32,112 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:59:32,112 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:59:32,121 INFO L420 sIntCurrentIteration]: We unified 190 AI predicates to 190 [2019-10-03 02:59:32,121 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:59:32,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:59:32,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-10-03 02:59:32,122 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:32,123 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:59:32,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:59:32,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:59:32,124 INFO L87 Difference]: Start difference. First operand 2575 states and 3322 transitions. Second operand 2 states. [2019-10-03 02:59:32,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:32,124 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:59:32,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:59:32,125 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 191 [2019-10-03 02:59:32,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:32,125 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:59:32,125 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:59:32,125 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:59:32,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:59:32,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:59:32,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:59:32,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:59:32,126 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2019-10-03 02:59:32,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:32,126 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:59:32,127 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:59:32,127 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:59:32,127 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:59:32,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:59:32 BoogieIcfgContainer [2019-10-03 02:59:32,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:59:32,136 INFO L168 Benchmark]: Toolchain (without parser) took 10634.30 ms. Allocated memory was 132.6 MB in the beginning and 368.1 MB in the end (delta: 235.4 MB). Free memory was 87.6 MB in the beginning and 282.5 MB in the end (delta: -194.9 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:59:32,137 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:59:32,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.77 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 87.4 MB in the beginning and 159.9 MB in the end (delta: -72.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:59:32,140 INFO L168 Benchmark]: Boogie Preprocessor took 106.33 ms. Allocated memory is still 200.8 MB. Free memory was 159.9 MB in the beginning and 155.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:59:32,141 INFO L168 Benchmark]: RCFGBuilder took 1363.28 ms. Allocated memory was 200.8 MB in the beginning and 224.4 MB in the end (delta: 23.6 MB). Free memory was 155.5 MB in the beginning and 175.4 MB in the end (delta: -19.9 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:59:32,146 INFO L168 Benchmark]: TraceAbstraction took 8401.83 ms. Allocated memory was 224.4 MB in the beginning and 368.1 MB in the end (delta: 143.7 MB). Free memory was 174.1 MB in the beginning and 282.5 MB in the end (delta: -108.5 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:59:32,153 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 757.77 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 87.4 MB in the beginning and 159.9 MB in the end (delta: -72.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.33 ms. Allocated memory is still 200.8 MB. Free memory was 159.9 MB in the beginning and 155.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1363.28 ms. Allocated memory was 200.8 MB in the beginning and 224.4 MB in the end (delta: 23.6 MB). Free memory was 155.5 MB in the beginning and 175.4 MB in the end (delta: -19.9 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8401.83 ms. Allocated memory was 224.4 MB in the beginning and 368.1 MB in the end (delta: 143.7 MB). Free memory was 174.1 MB in the beginning and 282.5 MB in the end (delta: -108.5 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 312]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 50 procedures, 308 locations, 1 error locations. SAFE Result, 8.3s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 5.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2305 SDtfs, 2108 SDslu, 5095 SDs, 0 SdLazy, 3010 SolverSat, 925 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 293 GetRequests, 231 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2575occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 0.8263157894736842 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 178 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1122 NumberOfCodeBlocks, 1122 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1113 ConstructedInterpolants, 0 QuantifiedInterpolants, 218437 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 469/475 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...