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_spec4_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:58:24,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:58:24,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:58:24,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:58:24,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:58:24,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:58:24,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:58:24,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:58:24,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:58:24,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:58:24,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:58:24,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:58:24,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:58:24,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:58:24,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:58:24,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:58:24,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:58:24,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:58:24,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:58:24,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:58:24,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:58:24,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:58:24,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:58:24,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:58:24,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:58:24,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:58:24,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:58:24,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:58:24,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:58:24,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:58:24,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:58:24,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:58:24,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:58:24,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:58:24,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:58:24,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:58:24,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:58:24,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:58:24,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:58:24,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:58:24,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:58:24,404 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 02:58:24,428 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:58:24,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:58:24,429 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:58:24,429 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:58:24,430 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:58:24,430 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:58:24,431 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:58:24,431 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:58:24,431 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:58:24,431 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:58:24,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:58:24,434 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:58:24,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:58:24,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:58:24,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:58:24,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:58:24,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:58:24,436 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:58:24,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:58:24,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:58:24,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:58:24,436 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:58:24,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:58:24,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:58:24,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:58:24,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:58:24,438 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:58:24,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:58:24,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:58:24,438 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:58:24,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:58:24,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:58:24,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:58:24,490 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:58:24,491 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:58:24,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2019-10-03 02:58:24,566 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/191b7b257/c773e74669d74d1a8ab3f2f12e83cee8/FLAGcc30c0017 [2019-10-03 02:58:25,093 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:58:25,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2019-10-03 02:58:25,111 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/191b7b257/c773e74669d74d1a8ab3f2f12e83cee8/FLAGcc30c0017 [2019-10-03 02:58:25,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/191b7b257/c773e74669d74d1a8ab3f2f12e83cee8 [2019-10-03 02:58:25,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:58:25,403 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:58:25,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:58:25,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:58:25,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:58:25,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:58:25" (1/1) ... [2019-10-03 02:58:25,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34409e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:25, skipping insertion in model container [2019-10-03 02:58:25,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:58:25" (1/1) ... [2019-10-03 02:58:25,420 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:58:25,469 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:58:25,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:58:25,910 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:58:26,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:58:26,091 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:58:26,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:26 WrapperNode [2019-10-03 02:58:26,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:58:26,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:58:26,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:58:26,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:58:26,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:26" (1/1) ... [2019-10-03 02:58:26,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:26" (1/1) ... [2019-10-03 02:58:26,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:26" (1/1) ... [2019-10-03 02:58:26,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:26" (1/1) ... [2019-10-03 02:58:26,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:26" (1/1) ... [2019-10-03 02:58:26,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:26" (1/1) ... [2019-10-03 02:58:26,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:26" (1/1) ... [2019-10-03 02:58:26,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:58:26,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:58:26,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:58:26,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:58:26,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:26" (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 02:58:26,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:58:26,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:58:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:58:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:58:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:58:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-03 02:58:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-03 02:58:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-03 02:58:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-03 02:58:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-03 02:58:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-03 02:58:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-03 02:58:26,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-03 02:58:26,329 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-03 02:58:26,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-03 02:58:26,329 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-03 02:58:26,329 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-03 02:58:26,330 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-03 02:58:26,330 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-03 02:58:26,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-03 02:58:26,330 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-03 02:58:26,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-03 02:58:26,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-03 02:58:26,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-03 02:58:26,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:58:26,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:58:26,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:58:26,332 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:58:26,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:58:26,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:58:26,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:58:26,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:58:26,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:58:26,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:58:26,333 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-03 02:58:26,333 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-03 02:58:26,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:58:26,333 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-03 02:58:26,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:58:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:58:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:58:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:58:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:58:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-03 02:58:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-03 02:58:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-03 02:58:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-03 02:58:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-03 02:58:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:58:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-03 02:58:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-03 02:58:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-03 02:58:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-03 02:58:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-03 02:58:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-03 02:58:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-03 02:58:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-03 02:58:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-03 02:58:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-03 02:58:26,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-03 02:58:26,337 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-03 02:58:26,337 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-03 02:58:26,337 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-03 02:58:26,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:58:26,337 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-03 02:58:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:58:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:58:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:58:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:58:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:58:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:58:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:58:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:58:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:58:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:58:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:58:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:58:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:58:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:58:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:58:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:58:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:58:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:58:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:58:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:58:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-03 02:58:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:58:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-03 02:58:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:58:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:58:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:58:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:58:27,438 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:58:27,438 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-03 02:58:27,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:58:27 BoogieIcfgContainer [2019-10-03 02:58:27,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:58:27,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:58:27,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:58:27,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:58:27,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:58:25" (1/3) ... [2019-10-03 02:58:27,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d90cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:58:27, skipping insertion in model container [2019-10-03 02:58:27,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:26" (2/3) ... [2019-10-03 02:58:27,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d90cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:58:27, skipping insertion in model container [2019-10-03 02:58:27,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:58:27" (3/3) ... [2019-10-03 02:58:27,448 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product26.cil.c [2019-10-03 02:58:27,459 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:58:27,467 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:58:27,485 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:58:27,517 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:58:27,518 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:58:27,518 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:58:27,518 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:58:27,518 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:58:27,518 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:58:27,518 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:58:27,518 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:58:27,538 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2019-10-03 02:58:27,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-03 02:58:27,551 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:27,552 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:27,555 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:27,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:27,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1031127634, now seen corresponding path program 1 times [2019-10-03 02:58:27,562 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:27,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:27,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:27,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:27,621 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:27,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:27,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:27,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:58:27,967 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:27,973 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:58:27,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:58:27,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:58:27,991 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2019-10-03 02:58:28,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:28,020 INFO L93 Difference]: Finished difference Result 119 states and 137 transitions. [2019-10-03 02:58:28,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:58:28,024 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-03 02:58:28,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:28,036 INFO L225 Difference]: With dead ends: 119 [2019-10-03 02:58:28,036 INFO L226 Difference]: Without dead ends: 108 [2019-10-03 02:58:28,042 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 02:58:28,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-03 02:58:28,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-10-03 02:58:28,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-03 02:58:28,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2019-10-03 02:58:28,093 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2019-10-03 02:58:28,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:28,094 INFO L475 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2019-10-03 02:58:28,094 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:58:28,094 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2019-10-03 02:58:28,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-03 02:58:28,097 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:28,097 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:28,097 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:28,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:28,098 INFO L82 PathProgramCache]: Analyzing trace with hash -303025831, now seen corresponding path program 1 times [2019-10-03 02:58:28,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:28,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:28,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:28,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:28,102 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:28,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:28,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:28,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:58:28,251 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:28,253 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:58:28,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:58:28,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:58:28,254 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 3 states. [2019-10-03 02:58:28,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:28,268 INFO L93 Difference]: Finished difference Result 99 states and 113 transitions. [2019-10-03 02:58:28,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:58:28,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-03 02:58:28,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:28,270 INFO L225 Difference]: With dead ends: 99 [2019-10-03 02:58:28,271 INFO L226 Difference]: Without dead ends: 99 [2019-10-03 02:58:28,271 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 02:58:28,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-10-03 02:58:28,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-10-03 02:58:28,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-10-03 02:58:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2019-10-03 02:58:28,283 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2019-10-03 02:58:28,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:28,284 INFO L475 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2019-10-03 02:58:28,284 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:58:28,284 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2019-10-03 02:58:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-03 02:58:28,286 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:28,287 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:28,287 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:28,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:28,287 INFO L82 PathProgramCache]: Analyzing trace with hash -111885155, now seen corresponding path program 1 times [2019-10-03 02:58:28,287 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:28,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:28,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:28,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:28,290 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:28,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:28,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:58:28,455 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:28,456 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:58:28,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:58:28,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:58:28,458 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 7 states. [2019-10-03 02:58:28,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:28,731 INFO L93 Difference]: Finished difference Result 99 states and 112 transitions. [2019-10-03 02:58:28,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:58:28,731 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-03 02:58:28,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:28,733 INFO L225 Difference]: With dead ends: 99 [2019-10-03 02:58:28,734 INFO L226 Difference]: Without dead ends: 99 [2019-10-03 02:58:28,734 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-03 02:58:28,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-10-03 02:58:28,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-10-03 02:58:28,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-10-03 02:58:28,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2019-10-03 02:58:28,745 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2019-10-03 02:58:28,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:28,746 INFO L475 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2019-10-03 02:58:28,746 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:58:28,746 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2019-10-03 02:58:28,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-03 02:58:28,748 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:28,748 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:28,748 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:28,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:28,749 INFO L82 PathProgramCache]: Analyzing trace with hash 558328282, now seen corresponding path program 1 times [2019-10-03 02:58:28,749 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:28,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:28,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:28,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:28,752 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:28,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:28,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:28,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-03 02:58:28,928 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:28,929 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-03 02:58:28,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-03 02:58:28,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-03 02:58:28,930 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 10 states. [2019-10-03 02:58:29,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:29,700 INFO L93 Difference]: Finished difference Result 229 states and 271 transitions. [2019-10-03 02:58:29,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-03 02:58:29,700 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2019-10-03 02:58:29,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:29,704 INFO L225 Difference]: With dead ends: 229 [2019-10-03 02:58:29,705 INFO L226 Difference]: Without dead ends: 229 [2019-10-03 02:58:29,705 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-03 02:58:29,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-10-03 02:58:29,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 225. [2019-10-03 02:58:29,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-10-03 02:58:29,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 264 transitions. [2019-10-03 02:58:29,738 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 264 transitions. Word has length 60 [2019-10-03 02:58:29,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:29,739 INFO L475 AbstractCegarLoop]: Abstraction has 225 states and 264 transitions. [2019-10-03 02:58:29,739 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-03 02:58:29,739 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 264 transitions. [2019-10-03 02:58:29,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-03 02:58:29,741 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:29,741 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:29,742 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:29,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:29,742 INFO L82 PathProgramCache]: Analyzing trace with hash -227036358, now seen corresponding path program 1 times [2019-10-03 02:58:29,742 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:29,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:29,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:29,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:29,745 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:29,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:29,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:29,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:58:29,817 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:29,818 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:58:29,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:58:29,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:58:29,820 INFO L87 Difference]: Start difference. First operand 225 states and 264 transitions. Second operand 3 states. [2019-10-03 02:58:29,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:29,836 INFO L93 Difference]: Finished difference Result 161 states and 179 transitions. [2019-10-03 02:58:29,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:58:29,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-10-03 02:58:29,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:29,842 INFO L225 Difference]: With dead ends: 161 [2019-10-03 02:58:29,842 INFO L226 Difference]: Without dead ends: 161 [2019-10-03 02:58:29,843 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 02:58:29,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-10-03 02:58:29,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2019-10-03 02:58:29,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-10-03 02:58:29,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 179 transitions. [2019-10-03 02:58:29,868 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 179 transitions. Word has length 68 [2019-10-03 02:58:29,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:29,869 INFO L475 AbstractCegarLoop]: Abstraction has 161 states and 179 transitions. [2019-10-03 02:58:29,869 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:58:29,869 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 179 transitions. [2019-10-03 02:58:29,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-03 02:58:29,873 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:29,873 INFO L411 BasicCegarLoop]: trace histogram [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] [2019-10-03 02:58:29,874 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:29,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:29,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1970958153, now seen corresponding path program 1 times [2019-10-03 02:58:29,874 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:29,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:29,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:29,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:29,884 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:30,019 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-03 02:58:30,019 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:58:30,020 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:58:30,021 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 101 with the following transitions: [2019-10-03 02:58:30,037 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [54], [57], [59], [62], [68], [70], [71], [75], [78], [113], [129], [144], [147], [148], [149], [158], [162], [166], [169], [174], [180], [182], [188], [193], [225], [226], [232], [236], [242], [282], [286], [287], [290], [291], [292], [385], [386], [396], [404], [405], [406], [407], [408], [410], [411], [412], [413], [414], [415], [416], [417], [418], [458], [459], [460], [461], [466], [467], [476], [477], [478], [479], [486], [494], [495], [496] [2019-10-03 02:58:30,087 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:58:30,088 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:58:30,211 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:58:30,215 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-03 02:58:30,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:30,222 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:58:30,294 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:58:30,294 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:58:30,302 INFO L420 sIntCurrentIteration]: We unified 99 AI predicates to 99 [2019-10-03 02:58:30,302 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:58:30,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:58:30,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-10-03 02:58:30,304 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:30,304 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:58:30,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:58:30,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:58:30,305 INFO L87 Difference]: Start difference. First operand 161 states and 179 transitions. Second operand 2 states. [2019-10-03 02:58:30,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:30,306 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:58:30,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:58:30,306 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 100 [2019-10-03 02:58:30,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:30,306 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:58:30,307 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:58:30,307 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 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 02:58:30,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:58:30,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:58:30,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:58:30,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:58:30,308 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2019-10-03 02:58:30,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:30,308 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:58:30,309 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:58:30,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:58:30,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:58:30,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:58:30 BoogieIcfgContainer [2019-10-03 02:58:30,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:58:30,321 INFO L168 Benchmark]: Toolchain (without parser) took 4916.55 ms. Allocated memory was 133.2 MB in the beginning and 263.2 MB in the end (delta: 130.0 MB). Free memory was 87.7 MB in the beginning and 105.1 MB in the end (delta: -17.5 MB). Peak memory consumption was 112.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:30,323 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:58:30,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.84 ms. Allocated memory was 133.2 MB in the beginning and 197.1 MB in the end (delta: 64.0 MB). Free memory was 87.5 MB in the beginning and 159.7 MB in the end (delta: -72.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:30,326 INFO L168 Benchmark]: Boogie Preprocessor took 123.56 ms. Allocated memory is still 197.1 MB. Free memory was 159.7 MB in the beginning and 155.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:30,328 INFO L168 Benchmark]: RCFGBuilder took 1223.65 ms. Allocated memory was 197.1 MB in the beginning and 221.8 MB in the end (delta: 24.6 MB). Free memory was 155.4 MB in the beginning and 188.3 MB in the end (delta: -32.9 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:30,330 INFO L168 Benchmark]: TraceAbstraction took 2876.05 ms. Allocated memory was 221.8 MB in the beginning and 263.2 MB in the end (delta: 41.4 MB). Free memory was 188.3 MB in the beginning and 105.1 MB in the end (delta: 83.2 MB). Peak memory consumption was 124.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:30,343 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 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 688.84 ms. Allocated memory was 133.2 MB in the beginning and 197.1 MB in the end (delta: 64.0 MB). Free memory was 87.5 MB in the beginning and 159.7 MB in the end (delta: -72.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.56 ms. Allocated memory is still 197.1 MB. Free memory was 159.7 MB in the beginning and 155.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1223.65 ms. Allocated memory was 197.1 MB in the beginning and 221.8 MB in the end (delta: 24.6 MB). Free memory was 155.4 MB in the beginning and 188.3 MB in the end (delta: -32.9 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2876.05 ms. Allocated memory was 221.8 MB in the beginning and 263.2 MB in the end (delta: 41.4 MB). Free memory was 188.3 MB in the beginning and 105.1 MB in the end (delta: 83.2 MB). Peak memory consumption was 124.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. SAFE Result, 2.8s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 569 SDtfs, 357 SDslu, 1081 SDs, 0 SdLazy, 373 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 0.9696969696969697 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 373 NumberOfCodeBlocks, 373 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 49717 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 28/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...