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_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:49:55,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:49:55,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:49:55,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:49:55,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:49:55,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:49:55,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:49:55,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:49:55,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:49:55,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:49:55,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:49:55,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:49:55,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:49:55,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:49:55,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:49:55,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:49:55,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:49:55,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:49:55,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:49:55,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:49:55,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:49:55,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:49:55,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:49:55,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:49:55,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:49:55,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:49:55,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:49:55,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:49:55,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:49:55,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:49:55,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:49:55,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:49:55,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:49:55,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:49:55,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:49:55,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:49:55,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:49:55,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:49:55,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:49:55,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:49:55,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:49:55,339 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 [2019-09-10 02:49:55,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:49:55,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:49:55,368 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:49:55,368 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:49:55,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:49:55,369 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:49:55,369 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:49:55,369 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:49:55,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:49:55,370 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:49:55,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:49:55,372 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:49:55,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:49:55,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:49:55,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:49:55,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:49:55,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:49:55,373 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:49:55,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:49:55,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:49:55,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:49:55,374 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:49:55,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:49:55,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:49:55,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:49:55,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:49:55,375 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:49:55,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:49:55,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:49:55,376 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:49:55,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:49:55,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:49:55,453 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:49:55,455 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:49:55,456 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:49:55,457 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2019-09-10 02:49:55,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a340bd90f/4e8bbb3d02254cfca221fbcd0fa32ace/FLAG90ba7a49e [2019-09-10 02:49:56,079 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:49:56,080 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2019-09-10 02:49:56,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a340bd90f/4e8bbb3d02254cfca221fbcd0fa32ace/FLAG90ba7a49e [2019-09-10 02:49:56,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a340bd90f/4e8bbb3d02254cfca221fbcd0fa32ace [2019-09-10 02:49:56,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:49:56,405 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:49:56,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:56,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:49:56,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:49:56,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:56" (1/1) ... [2019-09-10 02:49:56,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742af69d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:56, skipping insertion in model container [2019-09-10 02:49:56,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:56" (1/1) ... [2019-09-10 02:49:56,422 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:49:56,479 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:49:56,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:56,967 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:49:57,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:57,090 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:49:57,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:57 WrapperNode [2019-09-10 02:49:57,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:57,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:49:57,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:49:57,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:49:57,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:57" (1/1) ... [2019-09-10 02:49:57,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:57" (1/1) ... [2019-09-10 02:49:57,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:57" (1/1) ... [2019-09-10 02:49:57,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:57" (1/1) ... [2019-09-10 02:49:57,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:57" (1/1) ... [2019-09-10 02:49:57,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:57" (1/1) ... [2019-09-10 02:49:57,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:57" (1/1) ... [2019-09-10 02:49:57,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:49:57,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:49:57,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:49:57,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:49:57,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:57" (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 [2019-09-10 02:49:57,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:49:57,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:49:57,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:57,281 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:49:57,281 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:49:57,281 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:49:57,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:49:57,281 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:49:57,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:49:57,282 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:49:57,282 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:49:57,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:49:57,283 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:49:57,284 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:49:57,284 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:49:57,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:49:57,285 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:49:57,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:49:57,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:57,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:57,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:57,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:49:57,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:49:57,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:49:57,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-10 02:49:57,287 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:49:57,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-10 02:49:57,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:49:57,287 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:49:57,287 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:49:57,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:49:57,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:49:57,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:49:57,288 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-10 02:49:57,288 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-10 02:49:57,288 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:49:57,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:49:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:49:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:49:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:49:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:49:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:49:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:49:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:49:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:49:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:49:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:49:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:49:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:49:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:49:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:49:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:49:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:49:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:49:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:49:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:49:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:49:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:49:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:49:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:49:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:49:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:49:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:49:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:49:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:49:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:49:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:49:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:49:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:49:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:49:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:49:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:49:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:49:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-10 02:49:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:49:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:49:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-10 02:49:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-10 02:49:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:49:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-10 02:49:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:49:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:49:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:49:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:49:58,414 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:49:58,415 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:49:58,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:58 BoogieIcfgContainer [2019-09-10 02:49:58,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:49:58,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:49:58,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:49:58,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:49:58,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:49:56" (1/3) ... [2019-09-10 02:49:58,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21369ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:58, skipping insertion in model container [2019-09-10 02:49:58,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:57" (2/3) ... [2019-09-10 02:49:58,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21369ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:58, skipping insertion in model container [2019-09-10 02:49:58,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:58" (3/3) ... [2019-09-10 02:49:58,425 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2019-09-10 02:49:58,436 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:49:58,448 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:49:58,466 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:49:58,497 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:49:58,498 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:49:58,498 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:49:58,498 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:49:58,499 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:49:58,499 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:49:58,500 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:49:58,500 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:49:58,526 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2019-09-10 02:49:58,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-10 02:49:58,541 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:58,542 INFO L399 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] [2019-09-10 02:49:58,545 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:58,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:58,549 INFO L82 PathProgramCache]: Analyzing trace with hash 232346821, now seen corresponding path program 1 times [2019-09-10 02:49:58,551 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:58,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:58,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:58,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:58,599 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:58,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:58,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:58,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:49:58,948 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:58,954 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:49:58,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:49:58,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:49:58,972 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2019-09-10 02:49:58,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:59,000 INFO L93 Difference]: Finished difference Result 123 states and 142 transitions. [2019-09-10 02:49:59,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:49:59,001 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-10 02:49:59,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:59,014 INFO L225 Difference]: With dead ends: 123 [2019-09-10 02:49:59,014 INFO L226 Difference]: Without dead ends: 112 [2019-09-10 02:49:59,016 INFO L628 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 [2019-09-10 02:49:59,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-09-10 02:49:59,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-09-10 02:49:59,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-09-10 02:49:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2019-09-10 02:49:59,070 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2019-09-10 02:49:59,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:59,070 INFO L475 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2019-09-10 02:49:59,070 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:49:59,071 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2019-09-10 02:49:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-10 02:49:59,074 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:59,074 INFO L399 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] [2019-09-10 02:49:59,075 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:59,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:59,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1830481593, now seen corresponding path program 1 times [2019-09-10 02:49:59,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:59,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:59,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:59,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:59,077 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:59,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:59,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:49:59,191 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:59,197 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:49:59,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:49:59,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:49:59,199 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 3 states. [2019-09-10 02:49:59,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:59,223 INFO L93 Difference]: Finished difference Result 103 states and 118 transitions. [2019-09-10 02:49:59,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:49:59,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-10 02:49:59,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:59,225 INFO L225 Difference]: With dead ends: 103 [2019-09-10 02:49:59,226 INFO L226 Difference]: Without dead ends: 103 [2019-09-10 02:49:59,227 INFO L628 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 [2019-09-10 02:49:59,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-09-10 02:49:59,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-09-10 02:49:59,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-09-10 02:49:59,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2019-09-10 02:49:59,239 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2019-09-10 02:49:59,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:59,239 INFO L475 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2019-09-10 02:49:59,240 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:49:59,240 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2019-09-10 02:49:59,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-10 02:49:59,242 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:59,242 INFO L399 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] [2019-09-10 02:49:59,242 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:59,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:59,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1249539500, now seen corresponding path program 1 times [2019-09-10 02:49:59,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:59,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:59,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:59,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:59,245 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:59,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:59,384 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:59,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:49:59,384 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:59,385 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:49:59,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:49:59,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:49:59,385 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 7 states. [2019-09-10 02:49:59,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:59,872 INFO L93 Difference]: Finished difference Result 232 states and 276 transitions. [2019-09-10 02:49:59,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:49:59,873 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-10 02:49:59,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:59,882 INFO L225 Difference]: With dead ends: 232 [2019-09-10 02:49:59,882 INFO L226 Difference]: Without dead ends: 232 [2019-09-10 02:49:59,883 INFO L628 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 [2019-09-10 02:49:59,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2019-09-10 02:49:59,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 220. [2019-09-10 02:49:59,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-09-10 02:49:59,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 264 transitions. [2019-09-10 02:49:59,943 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 264 transitions. Word has length 52 [2019-09-10 02:49:59,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:59,944 INFO L475 AbstractCegarLoop]: Abstraction has 220 states and 264 transitions. [2019-09-10 02:49:59,944 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:49:59,944 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 264 transitions. [2019-09-10 02:49:59,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-10 02:49:59,950 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:59,950 INFO L399 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] [2019-09-10 02:49:59,950 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:59,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:59,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1248876172, now seen corresponding path program 1 times [2019-09-10 02:49:59,951 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:59,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:59,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:59,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:59,955 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:00,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:00,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 02:50:00,179 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:00,179 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 02:50:00,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 02:50:00,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:50:00,180 INFO L87 Difference]: Start difference. First operand 220 states and 264 transitions. Second operand 10 states. [2019-09-10 02:50:00,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:00,778 INFO L93 Difference]: Finished difference Result 564 states and 703 transitions. [2019-09-10 02:50:00,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-10 02:50:00,779 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-10 02:50:00,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:00,796 INFO L225 Difference]: With dead ends: 564 [2019-09-10 02:50:00,796 INFO L226 Difference]: Without dead ends: 564 [2019-09-10 02:50:00,797 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-10 02:50:00,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-09-10 02:50:00,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 552. [2019-09-10 02:50:00,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2019-09-10 02:50:00,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 682 transitions. [2019-09-10 02:50:00,880 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 682 transitions. Word has length 57 [2019-09-10 02:50:00,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:00,881 INFO L475 AbstractCegarLoop]: Abstraction has 552 states and 682 transitions. [2019-09-10 02:50:00,881 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 02:50:00,882 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 682 transitions. [2019-09-10 02:50:00,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-10 02:50:00,890 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:00,890 INFO L399 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] [2019-09-10 02:50:00,891 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:00,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:00,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1908801166, now seen corresponding path program 1 times [2019-09-10 02:50:00,895 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:00,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:00,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:00,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:00,898 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:01,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:01,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 02:50:01,003 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:01,004 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 02:50:01,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 02:50:01,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 02:50:01,006 INFO L87 Difference]: Start difference. First operand 552 states and 682 transitions. Second operand 4 states. [2019-09-10 02:50:01,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:01,154 INFO L93 Difference]: Finished difference Result 408 states and 476 transitions. [2019-09-10 02:50:01,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 02:50:01,156 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-09-10 02:50:01,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:01,159 INFO L225 Difference]: With dead ends: 408 [2019-09-10 02:50:01,160 INFO L226 Difference]: Without dead ends: 408 [2019-09-10 02:50:01,161 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 02:50:01,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2019-09-10 02:50:01,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2019-09-10 02:50:01,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2019-09-10 02:50:01,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2019-09-10 02:50:01,200 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 61 [2019-09-10 02:50:01,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:01,203 INFO L475 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2019-09-10 02:50:01,203 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 02:50:01,204 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2019-09-10 02:50:01,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-10 02:50:01,209 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:01,210 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:01,210 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:01,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:01,211 INFO L82 PathProgramCache]: Analyzing trace with hash 264696333, now seen corresponding path program 1 times [2019-09-10 02:50:01,211 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:01,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:01,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:01,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:01,213 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:01,464 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-10 02:50:01,465 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:50:01,465 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:50:01,466 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 90 with the following transitions: [2019-09-10 02:50:01,469 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [54], [57], [59], [62], [68], [70], [71], [75], [78], [107], [109], [110], [111], [147], [156], [160], [164], [167], [172], [178], [180], [186], [189], [192], [211], [212], [220], [227], [230], [268], [272], [273], [276], [277], [278], [371], [372], [382], [390], [391], [392], [393], [394], [396], [397], [398], [399], [400], [401], [402], [403], [404], [446], [447], [452], [453], [454], [455], [462], [463], [470], [478], [479], [480] [2019-09-10 02:50:01,550 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:50:01,551 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:50:01,672 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:50:01,674 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. [2019-09-10 02:50:01,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:01,681 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:50:01,776 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:50:01,776 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:50:01,782 INFO L420 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2019-09-10 02:50:01,782 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:50:01,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:50:01,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-10 02:50:01,784 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:01,785 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:50:01,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:50:01,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:01,787 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 2 states. [2019-09-10 02:50:01,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:01,787 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:50:01,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:50:01,788 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 89 [2019-09-10 02:50:01,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:01,788 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:50:01,788 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:50:01,789 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:01,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:50:01,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:50:01,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:50:01,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:50:01,790 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-09-10 02:50:01,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:01,790 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:50:01,790 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:50:01,790 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:50:01,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:50:01,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:50:01 BoogieIcfgContainer [2019-09-10 02:50:01,800 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:50:01,804 INFO L168 Benchmark]: Toolchain (without parser) took 5396.93 ms. Allocated memory was 135.8 MB in the beginning and 254.8 MB in the end (delta: 119.0 MB). Free memory was 89.5 MB in the beginning and 205.7 MB in the end (delta: -116.2 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:01,806 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:50:01,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.73 ms. Allocated memory was 135.8 MB in the beginning and 201.3 MB in the end (delta: 65.5 MB). Free memory was 89.3 MB in the beginning and 167.6 MB in the end (delta: -78.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:01,810 INFO L168 Benchmark]: Boogie Preprocessor took 118.48 ms. Allocated memory is still 201.3 MB. Free memory was 167.6 MB in the beginning and 163.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:01,813 INFO L168 Benchmark]: RCFGBuilder took 1206.14 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 163.2 MB in the beginning and 199.4 MB in the end (delta: -36.2 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:01,815 INFO L168 Benchmark]: TraceAbstraction took 3382.07 ms. Allocated memory was 231.2 MB in the beginning and 254.8 MB in the end (delta: 23.6 MB). Free memory was 199.4 MB in the beginning and 205.7 MB in the end (delta: -6.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:01,825 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.73 ms. Allocated memory was 135.8 MB in the beginning and 201.3 MB in the end (delta: 65.5 MB). Free memory was 89.3 MB in the beginning and 167.6 MB in the end (delta: -78.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.48 ms. Allocated memory is still 201.3 MB. Free memory was 167.6 MB in the beginning and 163.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1206.14 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 163.2 MB in the beginning and 199.4 MB in the end (delta: -36.2 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3382.07 ms. Allocated memory was 231.2 MB in the beginning and 254.8 MB in the end (delta: 23.6 MB). Free memory was 199.4 MB in the beginning and 205.7 MB in the end (delta: -6.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: 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 37 procedures, 214 locations, 1 error locations. SAFE Result, 3.3s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 632 SDtfs, 537 SDslu, 1372 SDs, 0 SdLazy, 483 SolverSat, 158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred 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, 1.0795454545454546 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 346 ConstructedInterpolants, 0 QuantifiedInterpolants, 43640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 21/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...