java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:30:51,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:30:51,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:30:51,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:30:51,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:30:51,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:30:51,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:30:51,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:30:51,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:30:51,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:30:51,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:30:51,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:30:51,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:30:51,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:30:51,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:30:51,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:30:51,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:30:51,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:30:51,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:30:51,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:30:51,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:30:51,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:30:51,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:30:51,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:30:51,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:30:51,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:30:51,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:30:51,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:30:51,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:30:51,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:30:51,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:30:51,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:30:51,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:30:51,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:30:51,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:30:51,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:30:51,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:30:51,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:30:51,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:30:51,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:30:51,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:30:51,544 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 13:30:51,559 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:30:51,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:30:51,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:30:51,560 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:30:51,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:30:51,561 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:30:51,561 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:30:51,561 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:30:51,562 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:30:51,562 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:30:51,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:30:51,563 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:30:51,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:30:51,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:30:51,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:30:51,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:30:51,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:30:51,564 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:30:51,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:30:51,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:30:51,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:30:51,565 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:30:51,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:30:51,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:30:51,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:30:51,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:30:51,566 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:30:51,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:30:51,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:30:51,566 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:30:51,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:30:51,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:30:51,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:30:51,613 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:30:51,614 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:30:51,615 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2019-09-20 13:30:51,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c45f7c2e/d3a31bc9f7c24c839b1b9aa47f6d1b61/FLAG2c09a31e9 [2019-09-20 13:30:52,242 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:30:52,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2019-09-20 13:30:52,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c45f7c2e/d3a31bc9f7c24c839b1b9aa47f6d1b61/FLAG2c09a31e9 [2019-09-20 13:30:52,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c45f7c2e/d3a31bc9f7c24c839b1b9aa47f6d1b61 [2019-09-20 13:30:52,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:30:52,605 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:30:52,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:52,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:30:52,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:30:52,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:52" (1/1) ... [2019-09-20 13:30:52,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548043f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:52, skipping insertion in model container [2019-09-20 13:30:52,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:52" (1/1) ... [2019-09-20 13:30:52,622 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:30:52,687 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:30:53,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:53,152 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:30:53,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:53,293 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:30:53,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:53 WrapperNode [2019-09-20 13:30:53,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:53,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:30:53,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:30:53,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:30:53,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:53" (1/1) ... [2019-09-20 13:30:53,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:53" (1/1) ... [2019-09-20 13:30:53,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:53" (1/1) ... [2019-09-20 13:30:53,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:53" (1/1) ... [2019-09-20 13:30:53,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:53" (1/1) ... [2019-09-20 13:30:53,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:53" (1/1) ... [2019-09-20 13:30:53,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:53" (1/1) ... [2019-09-20 13:30:53,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:30:53,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:30:53,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:30:53,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:30:53,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:53" (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 13:30:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:30:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:30:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:30:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:30:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:30:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:30:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:30:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:30:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:30:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:30:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:30:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:30:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:30:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:30:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:30:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:30:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:30:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:30:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:30:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:30:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:30:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:30:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:30:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:30:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:30:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:30:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:30:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:30:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:30:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:30:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:30:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:30:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:30:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:30:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:30:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:30:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:30:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:30:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:30:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:30:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:30:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:30:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:30:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:30:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:30:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:30:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:30:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:30:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:30:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:30:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:30:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:30:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:30:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:30:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:30:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:30:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:30:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:30:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:30:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:30:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:30:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:30:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:30:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:30:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:30:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:30:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:30:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:30:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:30:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:30:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:30:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:30:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:30:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:30:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:30:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:30:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:30:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:30:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:30:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:30:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:30:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:30:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:30:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:30:54,804 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:30:54,807 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:30:54,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:54 BoogieIcfgContainer [2019-09-20 13:30:54,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:30:54,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:30:54,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:30:54,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:30:54,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:30:52" (1/3) ... [2019-09-20 13:30:54,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3452a9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:54, skipping insertion in model container [2019-09-20 13:30:54,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:53" (2/3) ... [2019-09-20 13:30:54,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3452a9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:54, skipping insertion in model container [2019-09-20 13:30:54,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:54" (3/3) ... [2019-09-20 13:30:54,820 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product26.cil.c [2019-09-20 13:30:54,832 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:30:54,844 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:30:54,862 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:30:54,893 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:30:54,894 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:30:54,894 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:30:54,894 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:30:54,895 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:30:54,895 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:30:54,895 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:30:54,895 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:30:54,935 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2019-09-20 13:30:54,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:30:54,947 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:54,948 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 13:30:54,950 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:54,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:54,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1031127634, now seen corresponding path program 1 times [2019-09-20 13:30:54,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:55,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:55,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:55,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:55,016 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:55,331 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 13:30:55,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:55,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:30:55,335 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:55,342 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:55,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:55,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:55,366 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2019-09-20 13:30:55,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:55,397 INFO L93 Difference]: Finished difference Result 119 states and 137 transitions. [2019-09-20 13:30:55,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:55,399 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:30:55,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:55,418 INFO L225 Difference]: With dead ends: 119 [2019-09-20 13:30:55,426 INFO L226 Difference]: Without dead ends: 108 [2019-09-20 13:30:55,432 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 13:30:55,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-09-20 13:30:55,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-09-20 13:30:55,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-09-20 13:30:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2019-09-20 13:30:55,515 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2019-09-20 13:30:55,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:55,516 INFO L475 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2019-09-20 13:30:55,516 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:55,516 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2019-09-20 13:30:55,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:30:55,524 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:55,524 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 13:30:55,524 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:55,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:55,526 INFO L82 PathProgramCache]: Analyzing trace with hash -303025831, now seen corresponding path program 1 times [2019-09-20 13:30:55,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:55,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:55,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:55,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:55,530 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:55,712 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 13:30:55,712 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:55,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:55,713 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:55,714 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:55,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:55,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:55,715 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 3 states. [2019-09-20 13:30:55,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:55,730 INFO L93 Difference]: Finished difference Result 99 states and 113 transitions. [2019-09-20 13:30:55,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:55,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:30:55,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:55,732 INFO L225 Difference]: With dead ends: 99 [2019-09-20 13:30:55,733 INFO L226 Difference]: Without dead ends: 99 [2019-09-20 13:30:55,734 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 13:30:55,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-09-20 13:30:55,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-09-20 13:30:55,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-09-20 13:30:55,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2019-09-20 13:30:55,744 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2019-09-20 13:30:55,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:55,745 INFO L475 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2019-09-20 13:30:55,745 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:55,745 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2019-09-20 13:30:55,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:30:55,747 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:55,747 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] [2019-09-20 13:30:55,747 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:55,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:55,748 INFO L82 PathProgramCache]: Analyzing trace with hash -111885155, now seen corresponding path program 1 times [2019-09-20 13:30:55,748 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:55,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:55,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:55,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:55,751 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:55,866 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 13:30:55,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:55,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:30:55,867 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:55,868 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:30:55,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:30:55,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:30:55,869 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 7 states. [2019-09-20 13:30:56,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:56,160 INFO L93 Difference]: Finished difference Result 99 states and 112 transitions. [2019-09-20 13:30:56,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:30:56,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-20 13:30:56,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:56,163 INFO L225 Difference]: With dead ends: 99 [2019-09-20 13:30:56,163 INFO L226 Difference]: Without dead ends: 99 [2019-09-20 13:30:56,167 INFO L636 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 [2019-09-20 13:30:56,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-09-20 13:30:56,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-09-20 13:30:56,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-09-20 13:30:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2019-09-20 13:30:56,182 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2019-09-20 13:30:56,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:56,183 INFO L475 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2019-09-20 13:30:56,184 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:30:56,184 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2019-09-20 13:30:56,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-20 13:30:56,186 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:56,191 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] [2019-09-20 13:30:56,191 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:56,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:56,191 INFO L82 PathProgramCache]: Analyzing trace with hash 558328282, now seen corresponding path program 1 times [2019-09-20 13:30:56,192 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:56,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:56,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:56,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:56,195 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:56,397 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 13:30:56,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:56,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:30:56,398 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:56,399 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:30:56,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:30:56,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:30:56,400 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 10 states. [2019-09-20 13:30:57,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:57,049 INFO L93 Difference]: Finished difference Result 229 states and 271 transitions. [2019-09-20 13:30:57,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:30:57,049 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2019-09-20 13:30:57,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:57,057 INFO L225 Difference]: With dead ends: 229 [2019-09-20 13:30:57,058 INFO L226 Difference]: Without dead ends: 229 [2019-09-20 13:30:57,061 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:30:57,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-09-20 13:30:57,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 225. [2019-09-20 13:30:57,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-09-20 13:30:57,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 264 transitions. [2019-09-20 13:30:57,104 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 264 transitions. Word has length 60 [2019-09-20 13:30:57,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:57,104 INFO L475 AbstractCegarLoop]: Abstraction has 225 states and 264 transitions. [2019-09-20 13:30:57,105 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:30:57,105 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 264 transitions. [2019-09-20 13:30:57,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-20 13:30:57,110 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:57,112 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] [2019-09-20 13:30:57,112 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:57,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:57,113 INFO L82 PathProgramCache]: Analyzing trace with hash -227036358, now seen corresponding path program 1 times [2019-09-20 13:30:57,113 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:57,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:57,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:57,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:57,118 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:57,189 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 13:30:57,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:57,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:57,190 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:57,190 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:57,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:57,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:57,191 INFO L87 Difference]: Start difference. First operand 225 states and 264 transitions. Second operand 3 states. [2019-09-20 13:30:57,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:57,203 INFO L93 Difference]: Finished difference Result 161 states and 179 transitions. [2019-09-20 13:30:57,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:57,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-09-20 13:30:57,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:57,205 INFO L225 Difference]: With dead ends: 161 [2019-09-20 13:30:57,205 INFO L226 Difference]: Without dead ends: 161 [2019-09-20 13:30:57,205 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:57,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-09-20 13:30:57,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2019-09-20 13:30:57,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-09-20 13:30:57,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 179 transitions. [2019-09-20 13:30:57,227 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 179 transitions. Word has length 68 [2019-09-20 13:30:57,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:57,227 INFO L475 AbstractCegarLoop]: Abstraction has 161 states and 179 transitions. [2019-09-20 13:30:57,227 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:57,227 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 179 transitions. [2019-09-20 13:30:57,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-09-20 13:30:57,232 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:57,233 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:57,233 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:57,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:57,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1970958153, now seen corresponding path program 1 times [2019-09-20 13:30:57,233 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:57,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:57,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:57,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:57,236 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:57,345 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-20 13:30:57,346 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:30:57,346 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:30:57,348 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 101 with the following transitions: [2019-09-20 13:30:57,350 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [54], [57], [59], [62], [68], [70], [71], [75], [78], [113], [129], [144], [147], [148], [149], [158], [162], [166], [169], [174], [180], [182], [188], [193], [225], [226], [232], [236], [242], [282], [286], [287], [290], [291], [292], [385], [386], [396], [404], [405], [406], [407], [408], [410], [411], [412], [413], [414], [415], [416], [417], [418], [458], [459], [460], [461], [466], [467], [476], [477], [478], [479], [486], [494], [495], [496] [2019-09-20 13:30:57,393 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:30:57,393 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:30:57,484 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:30:57,485 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 13:30:57,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:57,489 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:30:57,536 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:30:57,536 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:30:57,540 INFO L420 sIntCurrentIteration]: We unified 99 AI predicates to 99 [2019-09-20 13:30:57,541 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:30:57,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:30:57,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-20 13:30:57,545 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:57,545 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:57,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:57,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:57,546 INFO L87 Difference]: Start difference. First operand 161 states and 179 transitions. Second operand 2 states. [2019-09-20 13:30:57,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:57,550 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:30:57,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:57,550 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 100 [2019-09-20 13:30:57,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:57,550 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:30:57,550 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:30:57,551 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:57,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:30:57,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:30:57,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:30:57,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:30:57,554 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2019-09-20 13:30:57,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:57,554 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:30:57,554 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:57,554 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:30:57,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:30:57,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:30:57 BoogieIcfgContainer [2019-09-20 13:30:57,561 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:30:57,563 INFO L168 Benchmark]: Toolchain (without parser) took 4957.76 ms. Allocated memory was 136.8 MB in the beginning and 275.3 MB in the end (delta: 138.4 MB). Free memory was 83.1 MB in the beginning and 126.2 MB in the end (delta: -43.1 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:57,564 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:30:57,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.93 ms. Allocated memory was 136.8 MB in the beginning and 198.2 MB in the end (delta: 61.3 MB). Free memory was 82.9 MB in the beginning and 163.5 MB in the end (delta: -80.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:57,566 INFO L168 Benchmark]: Boogie Preprocessor took 104.56 ms. Allocated memory is still 198.2 MB. Free memory was 163.5 MB in the beginning and 159.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:57,567 INFO L168 Benchmark]: RCFGBuilder took 1409.20 ms. Allocated memory is still 198.2 MB. Free memory was 159.7 MB in the beginning and 75.3 MB in the end (delta: 84.4 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:57,568 INFO L168 Benchmark]: TraceAbstraction took 2751.18 ms. Allocated memory was 198.2 MB in the beginning and 275.3 MB in the end (delta: 77.1 MB). Free memory was 75.3 MB in the beginning and 126.2 MB in the end (delta: -50.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:57,572 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.93 ms. Allocated memory was 136.8 MB in the beginning and 198.2 MB in the end (delta: 61.3 MB). Free memory was 82.9 MB in the beginning and 163.5 MB in the end (delta: -80.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.56 ms. Allocated memory is still 198.2 MB. Free memory was 163.5 MB in the beginning and 159.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1409.20 ms. Allocated memory is still 198.2 MB. Free memory was 159.7 MB in the beginning and 75.3 MB in the end (delta: 84.4 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2751.18 ms. Allocated memory was 198.2 MB in the beginning and 275.3 MB in the end (delta: 77.1 MB). Free memory was 75.3 MB in the beginning and 126.2 MB in the end (delta: -50.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. SAFE Result, 2.6s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 569 SDtfs, 357 SDslu, 1081 SDs, 0 SdLazy, 373 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 0.9696969696969697 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 373 NumberOfCodeBlocks, 373 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 49717 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 28/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...