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_spec1_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:29:41,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:29:41,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:29:41,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:29:41,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:29:41,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:29:41,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:29:41,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:29:41,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:29:41,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:29:41,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:29:41,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:29:41,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:29:41,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:29:41,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:29:41,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:29:41,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:29:41,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:29:41,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:29:41,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:29:41,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:29:41,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:29:41,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:29:41,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:29:41,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:29:41,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:29:41,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:29:41,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:29:41,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:29:41,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:29:41,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:29:41,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:29:41,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:29:41,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:29:41,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:29:41,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:29:41,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:29:41,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:29:41,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:29:41,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:29:41,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:29:41,492 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 [2019-09-20 13:29:41,507 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:29:41,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:29:41,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:29:41,508 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:29:41,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:29:41,508 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:29:41,509 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:29:41,509 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:29:41,509 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:29:41,509 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:29:41,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:29:41,510 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:29:41,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:29:41,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:29:41,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:29:41,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:29:41,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:29:41,511 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:29:41,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:29:41,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:29:41,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:29:41,512 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:29:41,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:29:41,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:29:41,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:29:41,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:29:41,513 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:29:41,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:29:41,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:29:41,514 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:29:41,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:29:41,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:29:41,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:29:41,560 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:29:41,560 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:29:41,561 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2019-09-20 13:29:41,625 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5bd907d2/d850bd05f15b4a8aa0f5a99d5237e6d2/FLAG5527a1413 [2019-09-20 13:29:42,139 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:29:42,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2019-09-20 13:29:42,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5bd907d2/d850bd05f15b4a8aa0f5a99d5237e6d2/FLAG5527a1413 [2019-09-20 13:29:42,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5bd907d2/d850bd05f15b4a8aa0f5a99d5237e6d2 [2019-09-20 13:29:42,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:29:42,489 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:29:42,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:42,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:29:42,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:29:42,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:42" (1/1) ... [2019-09-20 13:29:42,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9c1821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:42, skipping insertion in model container [2019-09-20 13:29:42,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:42" (1/1) ... [2019-09-20 13:29:42,505 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:29:42,566 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:29:43,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:43,032 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:29:43,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:43,169 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:29:43,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:43 WrapperNode [2019-09-20 13:29:43,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:43,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:29:43,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:29:43,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:29:43,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:43" (1/1) ... [2019-09-20 13:29:43,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:43" (1/1) ... [2019-09-20 13:29:43,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:43" (1/1) ... [2019-09-20 13:29:43,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:43" (1/1) ... [2019-09-20 13:29:43,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:43" (1/1) ... [2019-09-20 13:29:43,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:43" (1/1) ... [2019-09-20 13:29:43,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:43" (1/1) ... [2019-09-20 13:29:43,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:29:43,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:29:43,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:29:43,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:29:43,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:43" (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 [2019-09-20 13:29:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:29:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:29:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:29:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:29:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:29:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:29:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:29:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:29:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:29:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:29:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:29:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:29:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:29:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:29:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:29:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:29:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:29:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:29:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:29:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:29:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:29:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:29:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:29:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:29:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:29:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:29:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:29:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:29:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-20 13:29:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:29:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:29:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:29:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:29:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:29:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:29:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:29:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:29:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:29:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:29:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:29:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:29:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:29:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:29:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:29:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:29:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:29:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:29:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:29:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:29:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:29:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:29:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:29:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:29:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:29:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:29:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:29:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:29:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:29:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:29:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:29:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:29:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:29:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:29:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:29:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:29:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:29:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:29:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:29:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:29:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:29:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:29:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:29:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:29:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:29:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:29:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:29:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:29:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:29:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:29:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:29:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-20 13:29:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:29:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:29:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:29:44,361 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:29:44,362 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:29:44,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:44 BoogieIcfgContainer [2019-09-20 13:29:44,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:29:44,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:29:44,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:29:44,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:29:44,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:29:42" (1/3) ... [2019-09-20 13:29:44,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200f8fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:44, skipping insertion in model container [2019-09-20 13:29:44,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:43" (2/3) ... [2019-09-20 13:29:44,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200f8fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:44, skipping insertion in model container [2019-09-20 13:29:44,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:44" (3/3) ... [2019-09-20 13:29:44,390 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2019-09-20 13:29:44,399 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:29:44,407 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:29:44,424 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:29:44,452 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:29:44,452 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:29:44,453 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:29:44,453 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:29:44,453 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:29:44,453 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:29:44,453 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:29:44,454 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:29:44,474 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2019-09-20 13:29:44,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:29:44,487 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:44,488 INFO L407 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] [2019-09-20 13:29:44,490 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:44,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:44,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1763081390, now seen corresponding path program 1 times [2019-09-20 13:29:44,498 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:44,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:44,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:44,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:44,551 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:44,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:44,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:44,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:29:44,851 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:44,856 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:29:44,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:29:44,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:29:44,875 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2019-09-20 13:29:44,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:44,906 INFO L93 Difference]: Finished difference Result 141 states and 166 transitions. [2019-09-20 13:29:44,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:29:44,908 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:29:44,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:44,922 INFO L225 Difference]: With dead ends: 141 [2019-09-20 13:29:44,923 INFO L226 Difference]: Without dead ends: 130 [2019-09-20 13:29:44,925 INFO L636 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 [2019-09-20 13:29:44,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-09-20 13:29:44,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-09-20 13:29:44,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-09-20 13:29:44,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 154 transitions. [2019-09-20 13:29:44,987 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 154 transitions. Word has length 46 [2019-09-20 13:29:44,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:44,988 INFO L475 AbstractCegarLoop]: Abstraction has 130 states and 154 transitions. [2019-09-20 13:29:44,988 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:29:44,989 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2019-09-20 13:29:44,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:29:44,992 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:44,993 INFO L407 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] [2019-09-20 13:29:44,993 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:44,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:44,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1948835968, now seen corresponding path program 1 times [2019-09-20 13:29:44,994 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:44,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:44,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:44,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:44,998 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:45,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:45,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:45,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:45,168 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:45,170 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:45,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:45,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:45,171 INFO L87 Difference]: Start difference. First operand 130 states and 154 transitions. Second operand 3 states. [2019-09-20 13:29:45,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:45,199 INFO L93 Difference]: Finished difference Result 121 states and 142 transitions. [2019-09-20 13:29:45,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:45,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:29:45,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:45,206 INFO L225 Difference]: With dead ends: 121 [2019-09-20 13:29:45,206 INFO L226 Difference]: Without dead ends: 121 [2019-09-20 13:29:45,207 INFO L636 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 [2019-09-20 13:29:45,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-09-20 13:29:45,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-09-20 13:29:45,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-09-20 13:29:45,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 142 transitions. [2019-09-20 13:29:45,238 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 142 transitions. Word has length 47 [2019-09-20 13:29:45,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:45,238 INFO L475 AbstractCegarLoop]: Abstraction has 121 states and 142 transitions. [2019-09-20 13:29:45,238 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:45,239 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2019-09-20 13:29:45,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:29:45,242 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:45,243 INFO L407 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] [2019-09-20 13:29:45,243 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:45,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:45,243 INFO L82 PathProgramCache]: Analyzing trace with hash -970175768, now seen corresponding path program 1 times [2019-09-20 13:29:45,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:45,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:45,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:45,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:45,249 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:45,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:45,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:45,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:29:45,432 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:45,432 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:29:45,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:29:45,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:29:45,435 INFO L87 Difference]: Start difference. First operand 121 states and 142 transitions. Second operand 7 states. [2019-09-20 13:29:45,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:45,729 INFO L93 Difference]: Finished difference Result 121 states and 141 transitions. [2019-09-20 13:29:45,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:29:45,730 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-20 13:29:45,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:45,732 INFO L225 Difference]: With dead ends: 121 [2019-09-20 13:29:45,732 INFO L226 Difference]: Without dead ends: 121 [2019-09-20 13:29:45,732 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:29:45,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-09-20 13:29:45,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-09-20 13:29:45,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-09-20 13:29:45,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2019-09-20 13:29:45,741 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 51 [2019-09-20 13:29:45,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:45,742 INFO L475 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2019-09-20 13:29:45,742 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:29:45,742 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2019-09-20 13:29:45,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-20 13:29:45,744 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:45,744 INFO L407 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] [2019-09-20 13:29:45,744 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:45,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:45,745 INFO L82 PathProgramCache]: Analyzing trace with hash 137025886, now seen corresponding path program 1 times [2019-09-20 13:29:45,745 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:45,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:45,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:45,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:45,748 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:45,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:45,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:45,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:29:45,836 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:45,836 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:29:45,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:29:45,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:29:45,838 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 5 states. [2019-09-20 13:29:46,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:46,299 INFO L93 Difference]: Finished difference Result 222 states and 257 transitions. [2019-09-20 13:29:46,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:29:46,300 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-09-20 13:29:46,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:46,302 INFO L225 Difference]: With dead ends: 222 [2019-09-20 13:29:46,302 INFO L226 Difference]: Without dead ends: 222 [2019-09-20 13:29:46,303 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:29:46,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2019-09-20 13:29:46,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 204. [2019-09-20 13:29:46,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-09-20 13:29:46,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 233 transitions. [2019-09-20 13:29:46,329 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 233 transitions. Word has length 64 [2019-09-20 13:29:46,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:46,329 INFO L475 AbstractCegarLoop]: Abstraction has 204 states and 233 transitions. [2019-09-20 13:29:46,330 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:29:46,330 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 233 transitions. [2019-09-20 13:29:46,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-20 13:29:46,333 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:46,334 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:46,334 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:46,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:46,335 INFO L82 PathProgramCache]: Analyzing trace with hash -274572639, now seen corresponding path program 1 times [2019-09-20 13:29:46,336 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:46,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:46,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:46,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:46,341 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:46,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:46,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:46,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:29:46,434 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:46,435 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:29:46,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:29:46,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:29:46,436 INFO L87 Difference]: Start difference. First operand 204 states and 233 transitions. Second operand 6 states. [2019-09-20 13:29:46,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:46,641 INFO L93 Difference]: Finished difference Result 369 states and 423 transitions. [2019-09-20 13:29:46,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:29:46,642 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-09-20 13:29:46,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:46,648 INFO L225 Difference]: With dead ends: 369 [2019-09-20 13:29:46,648 INFO L226 Difference]: Without dead ends: 369 [2019-09-20 13:29:46,649 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:29:46,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-09-20 13:29:46,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 363. [2019-09-20 13:29:46,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2019-09-20 13:29:46,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 416 transitions. [2019-09-20 13:29:46,688 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 416 transitions. Word has length 78 [2019-09-20 13:29:46,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:46,688 INFO L475 AbstractCegarLoop]: Abstraction has 363 states and 416 transitions. [2019-09-20 13:29:46,688 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:29:46,688 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 416 transitions. [2019-09-20 13:29:46,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-20 13:29:46,690 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:46,690 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:46,690 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:46,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:46,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1223934493, now seen corresponding path program 1 times [2019-09-20 13:29:46,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:46,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:46,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:46,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:46,694 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:46,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:46,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:46,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:29:46,806 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:46,807 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:29:46,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:29:46,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:29:46,808 INFO L87 Difference]: Start difference. First operand 363 states and 416 transitions. Second operand 7 states. [2019-09-20 13:29:47,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:47,421 INFO L93 Difference]: Finished difference Result 393 states and 463 transitions. [2019-09-20 13:29:47,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:29:47,423 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2019-09-20 13:29:47,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:47,427 INFO L225 Difference]: With dead ends: 393 [2019-09-20 13:29:47,427 INFO L226 Difference]: Without dead ends: 393 [2019-09-20 13:29:47,427 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:29:47,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-09-20 13:29:47,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 363. [2019-09-20 13:29:47,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2019-09-20 13:29:47,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 415 transitions. [2019-09-20 13:29:47,445 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 415 transitions. Word has length 82 [2019-09-20 13:29:47,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:47,446 INFO L475 AbstractCegarLoop]: Abstraction has 363 states and 415 transitions. [2019-09-20 13:29:47,446 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:29:47,446 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 415 transitions. [2019-09-20 13:29:47,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-20 13:29:47,448 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:47,448 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:47,448 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:47,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:47,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1913348729, now seen corresponding path program 1 times [2019-09-20 13:29:47,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:47,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:47,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:47,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:47,452 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:47,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:29:47,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:47,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:29:47,540 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:47,541 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:29:47,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:29:47,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:29:47,542 INFO L87 Difference]: Start difference. First operand 363 states and 415 transitions. Second operand 6 states. [2019-09-20 13:29:47,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:47,570 INFO L93 Difference]: Finished difference Result 377 states and 429 transitions. [2019-09-20 13:29:47,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:29:47,571 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-09-20 13:29:47,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:47,574 INFO L225 Difference]: With dead ends: 377 [2019-09-20 13:29:47,574 INFO L226 Difference]: Without dead ends: 377 [2019-09-20 13:29:47,574 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:29:47,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-09-20 13:29:47,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 373. [2019-09-20 13:29:47,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-09-20 13:29:47,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2019-09-20 13:29:47,596 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 98 [2019-09-20 13:29:47,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:47,597 INFO L475 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2019-09-20 13:29:47,597 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:29:47,597 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2019-09-20 13:29:47,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-20 13:29:47,601 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:47,602 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:47,602 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:47,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:47,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1019862391, now seen corresponding path program 1 times [2019-09-20 13:29:47,603 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:47,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:47,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:47,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:47,605 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:47,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:29:47,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:47,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:29:47,714 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:47,715 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:29:47,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:29:47,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:29:47,718 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 8 states. [2019-09-20 13:29:47,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:47,747 INFO L93 Difference]: Finished difference Result 387 states and 439 transitions. [2019-09-20 13:29:47,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:29:47,748 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-09-20 13:29:47,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:47,757 INFO L225 Difference]: With dead ends: 387 [2019-09-20 13:29:47,760 INFO L226 Difference]: Without dead ends: 387 [2019-09-20 13:29:47,761 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:29:47,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-09-20 13:29:47,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 381. [2019-09-20 13:29:47,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-09-20 13:29:47,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 433 transitions. [2019-09-20 13:29:47,779 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 433 transitions. Word has length 98 [2019-09-20 13:29:47,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:47,779 INFO L475 AbstractCegarLoop]: Abstraction has 381 states and 433 transitions. [2019-09-20 13:29:47,779 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:29:47,779 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 433 transitions. [2019-09-20 13:29:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-20 13:29:47,781 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:47,781 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:47,781 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:47,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:47,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1027621750, now seen corresponding path program 1 times [2019-09-20 13:29:47,782 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:47,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:47,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:47,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:47,784 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:47,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:29:47,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:47,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:29:47,849 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:47,849 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:29:47,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:29:47,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:29:47,850 INFO L87 Difference]: Start difference. First operand 381 states and 433 transitions. Second operand 4 states. [2019-09-20 13:29:48,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:48,063 INFO L93 Difference]: Finished difference Result 766 states and 913 transitions. [2019-09-20 13:29:48,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:29:48,065 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-09-20 13:29:48,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:48,069 INFO L225 Difference]: With dead ends: 766 [2019-09-20 13:29:48,069 INFO L226 Difference]: Without dead ends: 766 [2019-09-20 13:29:48,070 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:29:48,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2019-09-20 13:29:48,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 751. [2019-09-20 13:29:48,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2019-09-20 13:29:48,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 881 transitions. [2019-09-20 13:29:48,096 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 881 transitions. Word has length 98 [2019-09-20 13:29:48,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:48,096 INFO L475 AbstractCegarLoop]: Abstraction has 751 states and 881 transitions. [2019-09-20 13:29:48,096 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:29:48,097 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 881 transitions. [2019-09-20 13:29:48,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-20 13:29:48,099 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:48,099 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:48,099 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:48,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:48,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1865521988, now seen corresponding path program 1 times [2019-09-20 13:29:48,100 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:48,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:48,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:48,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:48,102 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:48,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:29:48,232 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:29:48,232 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:29:48,233 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2019-09-20 13:29:48,235 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [56], [59], [83], [99], [103], [104], [105], [120], [123], [125], [134], [138], [142], [145], [150], [153], [158], [161], [185], [187], [192], [195], [198], [200], [205], [207], [208], [209], [210], [216], [220], [262], [266], [267], [270], [271], [274], [276], [279], [289], [290], [291], [314], [316], [317], [335], [336], [386], [387], [392], [394], [397], [401], [403], [406], [408], [411], [424], [425], [426], [427], [428], [429], [430], [431], [432], [470], [471], [472], [473], [474], [475], [476], [480], [481], [482], [483], [484], [485], [488], [489], [490], [496], [497], [498], [499], [506], [508], [509], [514], [515], [516], [518], [519], [520], [521], [522] [2019-09-20 13:29:48,274 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:29:48,274 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:29:48,346 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:29:48,347 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. [2019-09-20 13:29:48,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:48,351 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:29:48,394 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:29:48,395 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:29:48,398 INFO L420 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2019-09-20 13:29:48,398 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:29:48,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:29:48,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [13] total 13 [2019-09-20 13:29:48,399 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:48,400 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:29:48,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:29:48,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:29:48,401 INFO L87 Difference]: Start difference. First operand 751 states and 881 transitions. Second operand 2 states. [2019-09-20 13:29:48,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:48,401 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:29:48,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:29:48,401 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 102 [2019-09-20 13:29:48,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:48,402 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:29:48,402 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:29:48,402 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:29:48,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:29:48,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:29:48,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:29:48,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:29:48,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2019-09-20 13:29:48,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:48,403 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:29:48,403 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:29:48,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:29:48,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:29:48,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:29:48 BoogieIcfgContainer [2019-09-20 13:29:48,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:29:48,412 INFO L168 Benchmark]: Toolchain (without parser) took 5921.14 ms. Allocated memory was 130.5 MB in the beginning and 340.8 MB in the end (delta: 210.2 MB). Free memory was 84.8 MB in the beginning and 225.8 MB in the end (delta: -141.0 MB). Peak memory consumption was 69.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:48,412 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:29:48,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.60 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 84.6 MB in the beginning and 162.9 MB in the end (delta: -78.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:48,414 INFO L168 Benchmark]: Boogie Preprocessor took 96.66 ms. Allocated memory is still 198.7 MB. Free memory was 162.9 MB in the beginning and 159.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:48,415 INFO L168 Benchmark]: RCFGBuilder took 1096.64 ms. Allocated memory is still 198.7 MB. Free memory was 159.0 MB in the beginning and 72.5 MB in the end (delta: 86.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:48,416 INFO L168 Benchmark]: TraceAbstraction took 4026.72 ms. Allocated memory was 218.1 MB in the beginning and 340.8 MB in the end (delta: 122.7 MB). Free memory was 188.9 MB in the beginning and 225.8 MB in the end (delta: -36.9 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:48,420 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 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.60 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 84.6 MB in the beginning and 162.9 MB in the end (delta: -78.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.66 ms. Allocated memory is still 198.7 MB. Free memory was 162.9 MB in the beginning and 159.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1096.64 ms. Allocated memory is still 198.7 MB. Free memory was 159.0 MB in the beginning and 72.5 MB in the end (delta: 86.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4026.72 ms. Allocated memory was 218.1 MB in the beginning and 340.8 MB in the end (delta: 122.7 MB). Free memory was 188.9 MB in the beginning and 225.8 MB in the end (delta: -36.9 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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, 232 locations, 1 error locations. SAFE Result, 3.9s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1396 SDtfs, 771 SDslu, 2899 SDs, 0 SdLazy, 1012 SolverSat, 235 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=751occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.0693069306930694 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 79 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 764 NumberOfCodeBlocks, 764 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 754 ConstructedInterpolants, 0 QuantifiedInterpolants, 100151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...