/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 23:52:08,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 23:52:08,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 23:52:08,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 23:52:08,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 23:52:08,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 23:52:08,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 23:52:08,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 23:52:08,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 23:52:08,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 23:52:08,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 23:52:08,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 23:52:08,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 23:52:08,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 23:52:08,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 23:52:08,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 23:52:08,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 23:52:08,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 23:52:08,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 23:52:08,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 23:52:08,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 23:52:08,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 23:52:08,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 23:52:08,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 23:52:08,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 23:52:08,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 23:52:08,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 23:52:08,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 23:52:08,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 23:52:08,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 23:52:08,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 23:52:08,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 23:52:08,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 23:52:08,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 23:52:08,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 23:52:08,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 23:52:08,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 23:52:08,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 23:52:08,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 23:52:08,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 23:52:08,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 23:52:08,513 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-06 23:52:08,526 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 23:52:08,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 23:52:08,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 23:52:08,528 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 23:52:08,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 23:52:08,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 23:52:08,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 23:52:08,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 23:52:08,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 23:52:08,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 23:52:08,529 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 23:52:08,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 23:52:08,530 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 23:52:08,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 23:52:08,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 23:52:08,530 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-06 23:52:08,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 23:52:08,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 23:52:08,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 23:52:08,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 23:52:08,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-06 23:52:08,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 23:52:08,532 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 23:52:08,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 23:52:08,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 23:52:08,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 23:52:08,980 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 23:52:08,981 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 23:52:08,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product36.cil.c [2020-11-06 23:52:09,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dfdcd97b/e84df440bb2849e38756f54b3110b023/FLAGb84ec0927 [2020-11-06 23:52:09,844 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 23:52:09,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product36.cil.c [2020-11-06 23:52:09,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dfdcd97b/e84df440bb2849e38756f54b3110b023/FLAGb84ec0927 [2020-11-06 23:52:10,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dfdcd97b/e84df440bb2849e38756f54b3110b023 [2020-11-06 23:52:10,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 23:52:10,100 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 23:52:10,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 23:52:10,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 23:52:10,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 23:52:10,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:52:10" (1/1) ... [2020-11-06 23:52:10,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a525dfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:52:10, skipping insertion in model container [2020-11-06 23:52:10,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:52:10" (1/1) ... [2020-11-06 23:52:10,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 23:52:10,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 23:52:10,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 23:52:10,607 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 23:52:10,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 23:52:10,718 INFO L208 MainTranslator]: Completed translation [2020-11-06 23:52:10,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:52:10 WrapperNode [2020-11-06 23:52:10,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 23:52:10,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 23:52:10,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 23:52:10,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 23:52:10,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:52:10" (1/1) ... [2020-11-06 23:52:10,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:52:10" (1/1) ... [2020-11-06 23:52:10,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:52:10" (1/1) ... [2020-11-06 23:52:10,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:52:10" (1/1) ... [2020-11-06 23:52:10,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:52:10" (1/1) ... [2020-11-06 23:52:10,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:52:10" (1/1) ... [2020-11-06 23:52:10,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:52:10" (1/1) ... [2020-11-06 23:52:10,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 23:52:10,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 23:52:10,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 23:52:10,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 23:52:10,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:52:10" (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 [2020-11-06 23:52:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 23:52:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 23:52:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-06 23:52:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 23:52:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-06 23:52:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-06 23:52:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-06 23:52:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-06 23:52:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-06 23:52:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-06 23:52:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-06 23:52:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-06 23:52:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-06 23:52:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-06 23:52:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-06 23:52:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-06 23:52:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-06 23:52:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-06 23:52:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-06 23:52:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-06 23:52:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-06 23:52:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-06 23:52:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-06 23:52:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-06 23:52:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-06 23:52:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 23:52:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-06 23:52:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-06 23:52:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-06 23:52:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-06 23:52:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-06 23:52:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-06 23:52:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-06 23:52:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-06 23:52:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-06 23:52:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-06 23:52:10,999 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-06 23:52:10,999 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-06 23:52:10,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-06 23:52:10,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-11-06 23:52:10,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-11-06 23:52:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 23:52:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 23:52:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 23:52:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 23:52:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 23:52:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-06 23:52:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-06 23:52:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-06 23:52:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-06 23:52:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-06 23:52:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-06 23:52:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-06 23:52:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-06 23:52:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-06 23:52:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-06 23:52:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-06 23:52:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-06 23:52:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 23:52:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 23:52:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 23:52:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-06 23:52:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 23:52:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-06 23:52:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-06 23:52:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 23:52:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-06 23:52:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-06 23:52:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-06 23:52:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-06 23:52:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-06 23:52:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-06 23:52:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-06 23:52:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-06 23:52:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-06 23:52:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-06 23:52:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-06 23:52:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-06 23:52:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-11-06 23:52:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-06 23:52:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-06 23:52:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 23:52:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-06 23:52:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-06 23:52:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-06 23:52:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-06 23:52:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-06 23:52:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-11-06 23:52:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-06 23:52:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-06 23:52:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-06 23:52:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-06 23:52:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-06 23:52:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 23:52:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 23:52:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 23:52:12,636 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 23:52:12,636 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-06 23:52:12,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:52:12 BoogieIcfgContainer [2020-11-06 23:52:12,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 23:52:12,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 23:52:12,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 23:52:12,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 23:52:12,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:52:10" (1/3) ... [2020-11-06 23:52:12,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f19917b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:52:12, skipping insertion in model container [2020-11-06 23:52:12,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:52:10" (2/3) ... [2020-11-06 23:52:12,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f19917b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:52:12, skipping insertion in model container [2020-11-06 23:52:12,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:52:12" (3/3) ... [2020-11-06 23:52:12,647 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product36.cil.c [2020-11-06 23:52:12,661 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-06 23:52:12,665 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-06 23:52:12,678 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-06 23:52:12,704 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 23:52:12,704 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 23:52:12,704 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-11-06 23:52:12,704 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 23:52:12,704 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 23:52:12,704 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 23:52:12,705 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 23:52:12,705 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 23:52:12,728 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2020-11-06 23:52:12,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-11-06 23:52:12,749 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:52:12,750 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:52:12,751 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:52:12,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:52:12,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1610887150, now seen corresponding path program 1 times [2020-11-06 23:52:12,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:52:12,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1935587983] [2020-11-06 23:52:12,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:52:12,855 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:52:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:13,916 WARN L194 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:52:13,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:52:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:14,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:52:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:14,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:52:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:14,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:52:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:14,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:52:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:14,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:52:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:14,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-11-06 23:52:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:14,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-11-06 23:52:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:14,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:52:14,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1935587983] [2020-11-06 23:52:14,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:52:14,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 23:52:14,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818642508] [2020-11-06 23:52:14,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 23:52:14,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:52:14,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 23:52:14,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-06 23:52:14,135 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 4 states. [2020-11-06 23:52:15,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:52:15,861 INFO L93 Difference]: Finished difference Result 473 states and 560 transitions. [2020-11-06 23:52:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 23:52:15,863 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-11-06 23:52:15,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:52:15,880 INFO L225 Difference]: With dead ends: 473 [2020-11-06 23:52:15,881 INFO L226 Difference]: Without dead ends: 305 [2020-11-06 23:52:15,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-06 23:52:15,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-06 23:52:16,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 255. [2020-11-06 23:52:16,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-11-06 23:52:16,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 275 transitions. [2020-11-06 23:52:16,066 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 275 transitions. Word has length 154 [2020-11-06 23:52:16,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:52:16,067 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 275 transitions. [2020-11-06 23:52:16,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 23:52:16,068 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 275 transitions. [2020-11-06 23:52:16,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-06 23:52:16,071 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:52:16,072 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:52:16,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 23:52:16,072 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:52:16,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:52:16,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1670458702, now seen corresponding path program 1 times [2020-11-06 23:52:16,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:52:16,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1206665129] [2020-11-06 23:52:16,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:52:16,078 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:52:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,563 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:52:16,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:52:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:52:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:52:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:52:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:52:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:52:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-11-06 23:52:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-11-06 23:52:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:52:16,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1206665129] [2020-11-06 23:52:16,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:52:16,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-06 23:52:16,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779676766] [2020-11-06 23:52:16,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 23:52:16,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:52:16,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 23:52:16,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 23:52:16,752 INFO L87 Difference]: Start difference. First operand 255 states and 275 transitions. Second operand 5 states. [2020-11-06 23:52:17,688 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:52:18,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:52:18,778 INFO L93 Difference]: Finished difference Result 386 states and 437 transitions. [2020-11-06 23:52:18,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 23:52:18,778 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2020-11-06 23:52:18,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:52:18,783 INFO L225 Difference]: With dead ends: 386 [2020-11-06 23:52:18,783 INFO L226 Difference]: Without dead ends: 294 [2020-11-06 23:52:18,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-06 23:52:18,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-11-06 23:52:18,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 245. [2020-11-06 23:52:18,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-11-06 23:52:18,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 262 transitions. [2020-11-06 23:52:18,882 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 262 transitions. Word has length 155 [2020-11-06 23:52:18,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:52:18,882 INFO L481 AbstractCegarLoop]: Abstraction has 245 states and 262 transitions. [2020-11-06 23:52:18,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 23:52:18,883 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 262 transitions. [2020-11-06 23:52:18,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-11-06 23:52:18,885 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:52:18,885 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:52:18,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 23:52:18,886 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:52:18,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:52:18,886 INFO L82 PathProgramCache]: Analyzing trace with hash -212614794, now seen corresponding path program 1 times [2020-11-06 23:52:18,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:52:18,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [453019691] [2020-11-06 23:52:18,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:52:18,891 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:52:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:19,363 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:52:19,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:52:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:19,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:52:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:19,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:52:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:19,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:52:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:19,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:52:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:19,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:52:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:19,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-06 23:52:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:19,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-06 23:52:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:19,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-06 23:52:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:19,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:52:19,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [453019691] [2020-11-06 23:52:19,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:52:19,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-06 23:52:19,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499809474] [2020-11-06 23:52:19,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 23:52:19,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:52:19,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 23:52:19,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-06 23:52:19,596 INFO L87 Difference]: Start difference. First operand 245 states and 262 transitions. Second operand 11 states. [2020-11-06 23:52:20,348 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:52:20,828 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 23:52:21,275 WARN L194 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 23:52:21,679 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:22,074 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 23:52:22,440 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:23,700 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:52:26,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:52:26,428 INFO L93 Difference]: Finished difference Result 663 states and 777 transitions. [2020-11-06 23:52:26,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-06 23:52:26,435 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 168 [2020-11-06 23:52:26,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:52:26,443 INFO L225 Difference]: With dead ends: 663 [2020-11-06 23:52:26,444 INFO L226 Difference]: Without dead ends: 538 [2020-11-06 23:52:26,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-11-06 23:52:26,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-11-06 23:52:26,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 421. [2020-11-06 23:52:26,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-11-06 23:52:26,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 466 transitions. [2020-11-06 23:52:26,643 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 466 transitions. Word has length 168 [2020-11-06 23:52:26,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:52:26,644 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 466 transitions. [2020-11-06 23:52:26,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 23:52:26,644 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 466 transitions. [2020-11-06 23:52:26,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-11-06 23:52:26,647 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:52:26,647 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:52:26,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 23:52:26,648 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:52:26,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:52:26,649 INFO L82 PathProgramCache]: Analyzing trace with hash 528696388, now seen corresponding path program 1 times [2020-11-06 23:52:26,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:52:26,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1409316399] [2020-11-06 23:52:26,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:52:26,655 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:52:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:27,149 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:52:27,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:52:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:27,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:52:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:27,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:52:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:27,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:52:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:27,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:52:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:27,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:52:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:27,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-06 23:52:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:27,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-06 23:52:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:27,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-11-06 23:52:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:27,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:52:27,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1409316399] [2020-11-06 23:52:27,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:52:27,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-06 23:52:27,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633303922] [2020-11-06 23:52:27,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 23:52:27,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:52:27,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 23:52:27,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-06 23:52:27,345 INFO L87 Difference]: Start difference. First operand 421 states and 466 transitions. Second operand 10 states. [2020-11-06 23:52:28,019 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:52:29,779 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:30,200 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 23:52:30,664 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:31,065 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:52:31,454 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 23:52:31,817 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:32,199 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:32,780 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:52:34,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:52:34,215 INFO L93 Difference]: Finished difference Result 1142 states and 1384 transitions. [2020-11-06 23:52:34,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-06 23:52:34,216 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2020-11-06 23:52:34,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:52:34,226 INFO L225 Difference]: With dead ends: 1142 [2020-11-06 23:52:34,226 INFO L226 Difference]: Without dead ends: 841 [2020-11-06 23:52:34,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-11-06 23:52:34,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2020-11-06 23:52:34,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 673. [2020-11-06 23:52:34,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-11-06 23:52:34,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 755 transitions. [2020-11-06 23:52:34,536 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 755 transitions. Word has length 173 [2020-11-06 23:52:34,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:52:34,537 INFO L481 AbstractCegarLoop]: Abstraction has 673 states and 755 transitions. [2020-11-06 23:52:34,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 23:52:34,537 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 755 transitions. [2020-11-06 23:52:34,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-06 23:52:34,541 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:52:34,541 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:52:34,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 23:52:34,541 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:52:34,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:52:34,542 INFO L82 PathProgramCache]: Analyzing trace with hash 513128262, now seen corresponding path program 1 times [2020-11-06 23:52:34,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:52:34,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1726391729] [2020-11-06 23:52:34,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:52:34,546 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:52:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:34,964 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:52:34,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:52:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:52:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:52:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:52:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:52:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:52:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-11-06 23:52:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-06 23:52:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-06 23:52:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-11-06 23:52:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:52:35,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1726391729] [2020-11-06 23:52:35,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:52:35,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-06 23:52:35,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496265722] [2020-11-06 23:52:35,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 23:52:35,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:52:35,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 23:52:35,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-06 23:52:35,183 INFO L87 Difference]: Start difference. First operand 673 states and 755 transitions. Second operand 11 states. [2020-11-06 23:52:35,921 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:52:37,610 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:37,990 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 23:52:38,444 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:38,889 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 23:52:39,283 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:40,143 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:52:40,498 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:41,059 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:52:42,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:52:42,484 INFO L93 Difference]: Finished difference Result 1780 states and 2194 transitions. [2020-11-06 23:52:42,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-11-06 23:52:42,485 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 178 [2020-11-06 23:52:42,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:52:42,494 INFO L225 Difference]: With dead ends: 1780 [2020-11-06 23:52:42,495 INFO L226 Difference]: Without dead ends: 1227 [2020-11-06 23:52:42,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=283, Invalid=773, Unknown=0, NotChecked=0, Total=1056 [2020-11-06 23:52:42,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2020-11-06 23:52:42,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 939. [2020-11-06 23:52:42,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2020-11-06 23:52:42,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1061 transitions. [2020-11-06 23:52:42,985 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1061 transitions. Word has length 178 [2020-11-06 23:52:42,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:52:42,987 INFO L481 AbstractCegarLoop]: Abstraction has 939 states and 1061 transitions. [2020-11-06 23:52:42,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 23:52:42,987 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1061 transitions. [2020-11-06 23:52:42,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-06 23:52:42,992 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:52:42,992 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:52:42,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-06 23:52:42,993 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:52:42,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:52:42,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1210516897, now seen corresponding path program 1 times [2020-11-06 23:52:42,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:52:42,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571410492] [2020-11-06 23:52:42,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:52:42,999 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:52:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:43,402 WARN L194 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:52:43,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:52:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:43,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:52:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:43,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:52:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:43,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:52:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:43,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:52:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:43,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:52:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:43,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-11-06 23:52:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:43,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-06 23:52:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:43,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-06 23:52:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:43,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 23:52:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:43,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 23:52:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:43,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-06 23:52:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:43,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-11-06 23:52:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:43,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-06 23:52:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:43,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:52:43,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571410492] [2020-11-06 23:52:43,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:52:43,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-06 23:52:43,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490956438] [2020-11-06 23:52:43,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-06 23:52:43,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:52:43,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-06 23:52:43,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-11-06 23:52:43,627 INFO L87 Difference]: Start difference. First operand 939 states and 1061 transitions. Second operand 12 states. [2020-11-06 23:52:45,459 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:45,851 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 23:52:46,329 WARN L194 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-06 23:52:46,826 WARN L194 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:52:47,315 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 23:52:47,736 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:52:50,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:52:50,339 INFO L93 Difference]: Finished difference Result 2405 states and 3014 transitions. [2020-11-06 23:52:50,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-06 23:52:50,339 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 206 [2020-11-06 23:52:50,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:52:50,354 INFO L225 Difference]: With dead ends: 2405 [2020-11-06 23:52:50,354 INFO L226 Difference]: Without dead ends: 1586 [2020-11-06 23:52:50,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=231, Invalid=581, Unknown=0, NotChecked=0, Total=812 [2020-11-06 23:52:50,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2020-11-06 23:52:50,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 977. [2020-11-06 23:52:50,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-06 23:52:50,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1099 transitions. [2020-11-06 23:52:50,931 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1099 transitions. Word has length 206 [2020-11-06 23:52:50,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:52:50,932 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1099 transitions. [2020-11-06 23:52:50,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-06 23:52:50,932 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1099 transitions. [2020-11-06 23:52:50,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-06 23:52:50,939 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:52:50,940 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:52:50,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-06 23:52:50,942 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:52:50,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:52:50,942 INFO L82 PathProgramCache]: Analyzing trace with hash 236646721, now seen corresponding path program 1 times [2020-11-06 23:52:50,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:52:50,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1113687956] [2020-11-06 23:52:50,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:52:50,948 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:52:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,393 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:52:51,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:52:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:52:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:52:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:52:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:52:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:52:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-11-06 23:52:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-06 23:52:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-06 23:52:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 23:52:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 23:52:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-06 23:52:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-11-06 23:52:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-06 23:52:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:52:51,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1113687956] [2020-11-06 23:52:51,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:52:51,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-11-06 23:52:51,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354922505] [2020-11-06 23:52:51,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-06 23:52:51,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:52:51,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-06 23:52:51,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2020-11-06 23:52:51,694 INFO L87 Difference]: Start difference. First operand 977 states and 1099 transitions. Second operand 15 states. [2020-11-06 23:52:52,593 WARN L194 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:53,019 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 23:52:53,435 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:52:53,850 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 23:52:54,246 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:52:55,634 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:52:56,057 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 23:52:56,495 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:52:56,966 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 23:52:57,374 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:52:59,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:52:59,679 INFO L93 Difference]: Finished difference Result 2487 states and 3152 transitions. [2020-11-06 23:52:59,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-11-06 23:52:59,680 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 206 [2020-11-06 23:52:59,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:52:59,691 INFO L225 Difference]: With dead ends: 2487 [2020-11-06 23:52:59,691 INFO L226 Difference]: Without dead ends: 1630 [2020-11-06 23:52:59,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=314, Invalid=946, Unknown=0, NotChecked=0, Total=1260 [2020-11-06 23:52:59,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2020-11-06 23:53:00,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1001. [2020-11-06 23:53:00,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1001 states. [2020-11-06 23:53:00,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1123 transitions. [2020-11-06 23:53:00,123 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1123 transitions. Word has length 206 [2020-11-06 23:53:00,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:53:00,124 INFO L481 AbstractCegarLoop]: Abstraction has 1001 states and 1123 transitions. [2020-11-06 23:53:00,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-06 23:53:00,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1123 transitions. [2020-11-06 23:53:00,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-06 23:53:00,128 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:53:00,128 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:53:00,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-06 23:53:00,129 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:53:00,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:53:00,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1403647260, now seen corresponding path program 1 times [2020-11-06 23:53:00,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:53:00,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329085971] [2020-11-06 23:53:00,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:53:00,133 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:53:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:00,537 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:53:00,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:53:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:00,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:53:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:00,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:53:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:00,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:53:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:00,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:53:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:00,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:53:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:00,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-11-06 23:53:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:00,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-06 23:53:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:00,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-06 23:53:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:00,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 23:53:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:00,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 23:53:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:00,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-06 23:53:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:00,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-11-06 23:53:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:00,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-06 23:53:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:00,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:53:00,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329085971] [2020-11-06 23:53:00,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:53:00,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 23:53:00,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411333665] [2020-11-06 23:53:00,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 23:53:00,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:53:00,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 23:53:00,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-06 23:53:00,767 INFO L87 Difference]: Start difference. First operand 1001 states and 1123 transitions. Second operand 9 states. [2020-11-06 23:53:01,462 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:53:02,307 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:53:06,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:53:06,896 INFO L93 Difference]: Finished difference Result 4023 states and 5141 transitions. [2020-11-06 23:53:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-11-06 23:53:06,896 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 206 [2020-11-06 23:53:06,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:53:06,916 INFO L225 Difference]: With dead ends: 4023 [2020-11-06 23:53:06,917 INFO L226 Difference]: Without dead ends: 3142 [2020-11-06 23:53:06,923 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=338, Invalid=1302, Unknown=0, NotChecked=0, Total=1640 [2020-11-06 23:53:06,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3142 states. [2020-11-06 23:53:07,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3142 to 2153. [2020-11-06 23:53:07,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2153 states. [2020-11-06 23:53:07,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2449 transitions. [2020-11-06 23:53:07,998 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2449 transitions. Word has length 206 [2020-11-06 23:53:07,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:53:07,998 INFO L481 AbstractCegarLoop]: Abstraction has 2153 states and 2449 transitions. [2020-11-06 23:53:07,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 23:53:07,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2449 transitions. [2020-11-06 23:53:08,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-11-06 23:53:08,004 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:53:08,004 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:53:08,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-06 23:53:08,005 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:53:08,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:53:08,005 INFO L82 PathProgramCache]: Analyzing trace with hash 924215721, now seen corresponding path program 1 times [2020-11-06 23:53:08,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:53:08,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1500515299] [2020-11-06 23:53:08,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:53:08,008 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:53:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:08,415 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:53:08,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:53:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:08,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:53:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:08,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:53:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:08,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:53:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:08,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:53:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:08,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:53:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:08,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-06 23:53:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:08,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-06 23:53:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:08,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-06 23:53:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:08,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-11-06 23:53:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:08,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 23:53:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:08,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 23:53:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:08,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-06 23:53:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:08,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-11-06 23:53:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:08,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-11-06 23:53:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:53:08,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1500515299] [2020-11-06 23:53:08,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:53:08,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 23:53:08,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939161029] [2020-11-06 23:53:08,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 23:53:08,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:53:08,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 23:53:08,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-11-06 23:53:08,666 INFO L87 Difference]: Start difference. First operand 2153 states and 2449 transitions. Second operand 9 states. [2020-11-06 23:53:09,394 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:53:15,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:53:15,716 INFO L93 Difference]: Finished difference Result 4989 states and 6480 transitions. [2020-11-06 23:53:15,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-11-06 23:53:15,717 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2020-11-06 23:53:15,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:53:15,748 INFO L225 Difference]: With dead ends: 4989 [2020-11-06 23:53:15,748 INFO L226 Difference]: Without dead ends: 4985 [2020-11-06 23:53:15,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=373, Invalid=1267, Unknown=0, NotChecked=0, Total=1640 [2020-11-06 23:53:15,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4985 states. [2020-11-06 23:53:17,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4985 to 3382. [2020-11-06 23:53:17,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3382 states. [2020-11-06 23:53:17,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 3382 states and 3935 transitions. [2020-11-06 23:53:17,360 INFO L78 Accepts]: Start accepts. Automaton has 3382 states and 3935 transitions. Word has length 211 [2020-11-06 23:53:17,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:53:17,361 INFO L481 AbstractCegarLoop]: Abstraction has 3382 states and 3935 transitions. [2020-11-06 23:53:17,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 23:53:17,361 INFO L276 IsEmpty]: Start isEmpty. Operand 3382 states and 3935 transitions. [2020-11-06 23:53:17,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-11-06 23:53:17,370 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:53:17,371 INFO L422 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:53:17,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-06 23:53:17,372 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:53:17,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:53:17,372 INFO L82 PathProgramCache]: Analyzing trace with hash 570363918, now seen corresponding path program 1 times [2020-11-06 23:53:17,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:53:17,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1687683118] [2020-11-06 23:53:17,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:53:17,772 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2020-11-06 23:53:17,943 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-06 23:53:18,698 WARN L194 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 179 [2020-11-06 23:53:19,375 WARN L194 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 178 [2020-11-06 23:53:20,145 WARN L194 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 178 [2020-11-06 23:53:20,864 WARN L194 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 179 [2020-11-06 23:53:21,531 WARN L194 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 179 [2020-11-06 23:53:22,243 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 179 [2020-11-06 23:53:22,923 WARN L194 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 179 [2020-11-06 23:53:23,607 WARN L194 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 179 [2020-11-06 23:53:23,611 INFO L316 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-11-06 23:53:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 23:53:23,895 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 23:53:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 23:53:24,123 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 23:53:24,396 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-06 23:53:24,396 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-06 23:53:24,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-06 23:53:24,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:53:24 BoogieIcfgContainer [2020-11-06 23:53:24,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 23:53:24,427 INFO L168 Benchmark]: Toolchain (without parser) took 74331.91 ms. Allocated memory was 125.8 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 101.9 MB in the beginning and 1.1 GB in the end (delta: -965.0 MB). Peak memory consumption was 114.4 MB. Max. memory is 8.0 GB. [2020-11-06 23:53:24,428 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory is still 101.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 23:53:24,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.27 ms. Allocated memory is still 125.8 MB. Free memory was 101.3 MB in the beginning and 79.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-11-06 23:53:24,429 INFO L168 Benchmark]: Boogie Preprocessor took 153.61 ms. Allocated memory was 125.8 MB in the beginning and 155.2 MB in the end (delta: 29.4 MB). Free memory was 79.6 MB in the beginning and 137.8 MB in the end (delta: -58.2 MB). Peak memory consumption was 9.0 MB. Max. memory is 8.0 GB. [2020-11-06 23:53:24,429 INFO L168 Benchmark]: RCFGBuilder took 1764.03 ms. Allocated memory is still 155.2 MB. Free memory was 137.8 MB in the beginning and 131.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 61.5 MB. Max. memory is 8.0 GB. [2020-11-06 23:53:24,430 INFO L168 Benchmark]: TraceAbstraction took 71785.01 ms. Allocated memory was 155.2 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 130.7 MB in the beginning and 1.1 GB in the end (delta: -936.3 MB). Peak memory consumption was 112.8 MB. Max. memory is 8.0 GB. [2020-11-06 23:53:24,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory is still 101.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 618.27 ms. Allocated memory is still 125.8 MB. Free memory was 101.3 MB in the beginning and 79.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 153.61 ms. Allocated memory was 125.8 MB in the beginning and 155.2 MB in the end (delta: 29.4 MB). Free memory was 79.6 MB in the beginning and 137.8 MB in the end (delta: -58.2 MB). Peak memory consumption was 9.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1764.03 ms. Allocated memory is still 155.2 MB. Free memory was 137.8 MB in the beginning and 131.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 61.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 71785.01 ms. Allocated memory was 155.2 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 130.7 MB in the beginning and 1.1 GB in the end (delta: -936.3 MB). Peak memory consumption was 112.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L312] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L547] int cleanupTimeShifts = 4; [L653] int pumpRunning = 0; [L654] int systemActive = 1; [L907] int methAndRunningLastTime ; [L625] int retValue_acc ; [L626] int tmp ; [L630] FCALL select_helpers() [L631] FCALL select_features() [L632] CALL, EXPR valid_product() [L538] int retValue_acc ; [L541] retValue_acc = 1 [L542] return (retValue_acc); [L632] RET, EXPR valid_product() [L632] tmp = valid_product() [L634] COND TRUE \read(tmp) [L636] FCALL setup() [L637] CALL runTest() [L618] CALL __utac_acc__Specification2_spec__1() [L912] methAndRunningLastTime = 0 [L618] RET __utac_acc__Specification2_spec__1() [L619] CALL test() [L830] int splverifierCounter ; [L831] int tmp ; [L832] int tmp___0 ; [L833] int tmp___1 ; [L834] int tmp___2 ; [L837] splverifierCounter = 0 [L839] COND TRUE 1 [L841] COND TRUE splverifierCounter < 4 [L847] tmp = __VERIFIER_nondet_int() [L849] COND TRUE \read(tmp) [L851] CALL waterRise() [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 [L851] RET waterRise() [L857] tmp___0 = __VERIFIER_nondet_int() [L859] COND TRUE \read(tmp___0) [L861] CALL changeMethaneLevel() [L79] COND FALSE !(\read(methaneLevelCritical)) [L82] methaneLevelCritical = 1 [L861] RET changeMethaneLevel() [L867] tmp___2 = __VERIFIER_nondet_int() [L869] COND TRUE \read(tmp___2) [L871] CALL startSystem() [L824] systemActive = 1 [L871] RET startSystem() [L886] CALL timeShift() [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L690] int tmp ; [L693] COND TRUE ! pumpRunning [L695] CALL, EXPR isHighWaterLevel() [L787] int retValue_acc ; [L788] int tmp ; [L789] int tmp___0 ; [L793] CALL, EXPR isHighWaterSensorDry() [L129] int retValue_acc ; [L132] COND FALSE !(waterLevel < 2) [L136] retValue_acc = 0 [L137] return (retValue_acc); [L793] RET, EXPR isHighWaterSensorDry() [L793] tmp = isHighWaterSensorDry() [L795] COND FALSE !(\read(tmp)) [L798] tmp___0 = 1 [L800] retValue_acc = tmp___0 [L801] return (retValue_acc); [L695] RET, EXPR isHighWaterLevel() [L695] tmp = isHighWaterLevel() [L697] COND TRUE \read(tmp) [L699] CALL activatePump() [L718] pumpRunning = 1 [L699] RET activatePump() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification2_spec__2() [L917] int tmp ; [L918] int tmp___0 ; [L922] CALL, EXPR isMethaneLevelCritical() [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L922] RET, EXPR isMethaneLevelCritical() [L922] tmp = isMethaneLevelCritical() [L924] COND TRUE \read(tmp) [L926] CALL, EXPR isPumpRunning() [L742] int retValue_acc ; [L745] retValue_acc = pumpRunning [L746] return (retValue_acc); [L926] RET, EXPR isPumpRunning() [L926] tmp___0 = isPumpRunning() [L928] COND TRUE \read(tmp___0) [L929] COND FALSE !(\read(methAndRunningLastTime)) [L934] methAndRunningLastTime = 1 [L676] RET __utac_acc__Specification2_spec__2() [L886] RET timeShift() [L839] COND TRUE 1 [L841] COND TRUE splverifierCounter < 4 [L847] tmp = __VERIFIER_nondet_int() [L849] COND FALSE !(\read(tmp)) [L857] tmp___0 = __VERIFIER_nondet_int() [L859] COND FALSE !(\read(tmp___0)) [L867] tmp___2 = __VERIFIER_nondet_int() [L869] COND TRUE \read(tmp___2) [L871] CALL startSystem() [L824] systemActive = 1 [L871] RET startSystem() [L886] CALL timeShift() [L661] COND TRUE \read(pumpRunning) [L663] CALL lowerWaterLevel() [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 [L663] RET lowerWaterLevel() [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L690] int tmp ; [L693] COND FALSE !(! pumpRunning) [L708] FCALL processEnvironment__wrappee__base() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification2_spec__2() [L917] int tmp ; [L918] int tmp___0 ; [L922] CALL, EXPR isMethaneLevelCritical() [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L922] RET, EXPR isMethaneLevelCritical() [L922] tmp = isMethaneLevelCritical() [L924] COND TRUE \read(tmp) [L926] CALL, EXPR isPumpRunning() [L742] int retValue_acc ; [L745] retValue_acc = pumpRunning [L746] return (retValue_acc); [L926] RET, EXPR isPumpRunning() [L926] tmp___0 = isPumpRunning() [L928] COND TRUE \read(tmp___0) [L929] COND TRUE \read(methAndRunningLastTime) [L931] CALL __automaton_fail() [L902] CALL reach_error() [L3] __assert_fail("0", "minepump_spec2_product36.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 638 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 71.6s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 52.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2210 SDtfs, 8073 SDslu, 5174 SDs, 0 SdLazy, 10140 SolverSat, 2822 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 483 GetRequests, 259 SyntacticMatches, 2 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1793 ImplicationChecksByTransitivity, 22.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3382occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 4502 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...