/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/loops/bubble_sort-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 03:18:41,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 03:18:41,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 03:18:41,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 03:18:41,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 03:18:41,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 03:18:41,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 03:18:41,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 03:18:41,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 03:18:41,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 03:18:41,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 03:18:41,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 03:18:41,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 03:18:41,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 03:18:41,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 03:18:41,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 03:18:41,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 03:18:41,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 03:18:41,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 03:18:41,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 03:18:41,472 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 03:18:41,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 03:18:41,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 03:18:41,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 03:18:41,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 03:18:41,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-20 03:18:41,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-20 03:18:41,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-20 03:18:41,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-20 03:18:41,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-20 03:18:41,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-20 03:18:41,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-20 03:18:41,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-20 03:18:41,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-20 03:18:41,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-20 03:18:41,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-20 03:18:41,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-20 03:18:41,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-20 03:18:41,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-20 03:18:41,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 03:18:41,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 03:18:41,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 03:18:41,490 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-03-20 03:18:41,500 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 03:18:41,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 03:18:41,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 03:18:41,502 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 03:18:41,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 03:18:41,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 03:18:41,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 03:18:41,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 03:18:41,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 03:18:41,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 03:18:41,503 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 03:18:41,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 03:18:41,504 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 03:18:41,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 03:18:41,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 03:18:41,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 03:18:41,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 03:18:41,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 03:18:41,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 03:18:41,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 03:18:41,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 03:18:41,505 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 03:18:41,505 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 03:18:41,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 03:18:41,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 03:18:41,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 03:18:41,711 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 03:18:41,712 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 03:18:41,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/bubble_sort-2.i [2022-03-20 03:18:41,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5328df708/509085dbd3f146d5beae69ede6155f5a/FLAGbd8f7c8f1 [2022-03-20 03:18:42,187 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 03:18:42,187 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort-2.i [2022-03-20 03:18:42,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5328df708/509085dbd3f146d5beae69ede6155f5a/FLAGbd8f7c8f1 [2022-03-20 03:18:42,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5328df708/509085dbd3f146d5beae69ede6155f5a [2022-03-20 03:18:42,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 03:18:42,218 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 03:18:42,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 03:18:42,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 03:18:42,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 03:18:42,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 03:18:42" (1/1) ... [2022-03-20 03:18:42,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e25a3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:18:42, skipping insertion in model container [2022-03-20 03:18:42,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 03:18:42" (1/1) ... [2022-03-20 03:18:42,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 03:18:42,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 03:18:42,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort-2.i[1830,1843] [2022-03-20 03:18:42,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 03:18:42,533 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 03:18:42,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort-2.i[1830,1843] [2022-03-20 03:18:42,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 03:18:42,624 INFO L208 MainTranslator]: Completed translation [2022-03-20 03:18:42,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:18:42 WrapperNode [2022-03-20 03:18:42,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 03:18:42,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 03:18:42,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 03:18:42,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 03:18:42,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:18:42" (1/1) ... [2022-03-20 03:18:42,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:18:42" (1/1) ... [2022-03-20 03:18:42,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:18:42" (1/1) ... [2022-03-20 03:18:42,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:18:42" (1/1) ... [2022-03-20 03:18:42,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:18:42" (1/1) ... [2022-03-20 03:18:42,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:18:42" (1/1) ... [2022-03-20 03:18:42,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:18:42" (1/1) ... [2022-03-20 03:18:42,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 03:18:42,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 03:18:42,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 03:18:42,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 03:18:42,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:18:42" (1/1) ... [2022-03-20 03:18:42,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 03:18:42,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 03:18:42,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-20 03:18:42,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-20 03:18:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 03:18:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 03:18:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 03:18:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2022-03-20 03:18:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2022-03-20 03:18:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-03-20 03:18:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2022-03-20 03:18:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-03-20 03:18:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2022-03-20 03:18:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2022-03-20 03:18:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2022-03-20 03:18:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2022-03-20 03:18:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2022-03-20 03:18:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2022-03-20 03:18:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2022-03-20 03:18:42,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 03:18:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 03:18:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 03:18:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2022-03-20 03:18:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2022-03-20 03:18:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 03:18:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 03:18:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 03:18:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure free [2022-03-20 03:18:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 03:18:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2022-03-20 03:18:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2022-03-20 03:18:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 03:18:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-03-20 03:18:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 03:18:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2022-03-20 03:18:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-03-20 03:18:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2022-03-20 03:18:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2022-03-20 03:18:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 03:18:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 03:18:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2022-03-20 03:18:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2022-03-20 03:18:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 03:18:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2022-03-20 03:18:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 03:18:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2022-03-20 03:18:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2022-03-20 03:18:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 03:18:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 03:18:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 03:18:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-03-20 03:18:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 03:18:42,956 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 03:18:42,957 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 03:18:43,117 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint failFINAL: assume true; [2022-03-20 03:18:43,303 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 03:18:43,312 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 03:18:43,312 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2022-03-20 03:18:43,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 03:18:43 BoogieIcfgContainer [2022-03-20 03:18:43,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 03:18:43,314 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 03:18:43,315 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 03:18:43,315 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 03:18:43,317 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 03:18:43" (1/1) ... [2022-03-20 03:18:43,319 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-03-20 03:18:43,376 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 2 HavocedVariables, 0 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-03-20 03:18:43,377 INFO L91 elerationTransformer]: Accelerated Formula: false InVars {} OutVars{fail_#t~nondet1.offset=|v_fail_#t~nondet1.offset_1|, fail_#t~nondet1.base=|v_fail_#t~nondet1.base_1|} AuxVars[] AssignedVars[fail_#t~nondet1.offset, fail_#t~nondet1.base] to Formula: (and (= |v_fail_#t~nondet1.offset_2| |v_fail_#t~nondet1.offset_1|) (= |v_fail_#t~nondet1.base_2| |v_fail_#t~nondet1.base_1|)) InVars {fail_#t~nondet1.offset=|v_fail_#t~nondet1.offset_2|, fail_#t~nondet1.base=|v_fail_#t~nondet1.base_2|} OutVars{fail_#t~nondet1.offset=|v_fail_#t~nondet1.offset_1|, fail_#t~nondet1.base=|v_fail_#t~nondet1.base_1|} AuxVars[] AssignedVars[fail_#t~nondet1.offset, fail_#t~nondet1.base] [2022-03-20 03:18:43,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 03:18:43 BasicIcfg [2022-03-20 03:18:43,399 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-20 03:18:43,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 03:18:43,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 03:18:43,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 03:18:43,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 03:18:42" (1/4) ... [2022-03-20 03:18:43,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284a1ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 03:18:43, skipping insertion in model container [2022-03-20 03:18:43,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:18:42" (2/4) ... [2022-03-20 03:18:43,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284a1ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 03:18:43, skipping insertion in model container [2022-03-20 03:18:43,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 03:18:43" (3/4) ... [2022-03-20 03:18:43,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284a1ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 03:18:43, skipping insertion in model container [2022-03-20 03:18:43,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 03:18:43" (4/4) ... [2022-03-20 03:18:43,450 INFO L111 eAbstractionObserver]: Analyzing ICFG bubble_sort-2.iJordan [2022-03-20 03:18:43,454 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-03-20 03:18:43,454 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 03:18:43,487 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 03:18:43,494 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-20 03:18:43,494 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 03:18:43,510 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 108 states have (on average 1.6574074074074074) internal successors, (179), 127 states have internal predecessors, (179), 33 states have call successors, (33), 14 states have call predecessors, (33), 13 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-03-20 03:18:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-03-20 03:18:43,515 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 03:18:43,516 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 03:18:43,516 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 03:18:43,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 03:18:43,520 INFO L85 PathProgramCache]: Analyzing trace with hash 626291817, now seen corresponding path program 1 times [2022-03-20 03:18:43,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 03:18:43,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841604419] [2022-03-20 03:18:43,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 03:18:43,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 03:18:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:18:43,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 03:18:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:18:43,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-20 03:18:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:18:43,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 03:18:43,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 03:18:43,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841604419] [2022-03-20 03:18:43,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841604419] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 03:18:43,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 03:18:43,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 03:18:43,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986573860] [2022-03-20 03:18:43,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 03:18:43,713 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 03:18:43,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 03:18:43,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 03:18:43,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 03:18:43,739 INFO L87 Difference]: Start difference. First operand has 156 states, 108 states have (on average 1.6574074074074074) internal successors, (179), 127 states have internal predecessors, (179), 33 states have call successors, (33), 14 states have call predecessors, (33), 13 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-03-20 03:18:44,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 03:18:44,131 INFO L93 Difference]: Finished difference Result 183 states and 217 transitions. [2022-03-20 03:18:44,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 03:18:44,134 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-03-20 03:18:44,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 03:18:44,144 INFO L225 Difference]: With dead ends: 183 [2022-03-20 03:18:44,144 INFO L226 Difference]: Without dead ends: 164 [2022-03-20 03:18:44,145 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 03:18:44,148 INFO L913 BasicCegarLoop]: 140 mSDtfsCounter, 255 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-20 03:18:44,149 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 142 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-20 03:18:44,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-03-20 03:18:44,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 143. [2022-03-20 03:18:44,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 99 states have (on average 1.2222222222222223) internal successors, (121), 117 states have internal predecessors, (121), 32 states have call successors, (32), 13 states have call predecessors, (32), 11 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-03-20 03:18:44,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 166 transitions. [2022-03-20 03:18:44,194 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 166 transitions. Word has length 18 [2022-03-20 03:18:44,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 03:18:44,194 INFO L478 AbstractCegarLoop]: Abstraction has 143 states and 166 transitions. [2022-03-20 03:18:44,194 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-03-20 03:18:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 166 transitions. [2022-03-20 03:18:44,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-03-20 03:18:44,196 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 03:18:44,196 INFO L499 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] [2022-03-20 03:18:44,196 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 03:18:44,197 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 03:18:44,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 03:18:44,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1647321823, now seen corresponding path program 1 times [2022-03-20 03:18:44,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 03:18:44,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887178540] [2022-03-20 03:18:44,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 03:18:44,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 03:18:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:18:44,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 03:18:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:18:44,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-20 03:18:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:18:44,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-03-20 03:18:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:18:44,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-03-20 03:18:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:18:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 03:18:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:18:44,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 03:18:44,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 03:18:44,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887178540] [2022-03-20 03:18:44,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887178540] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 03:18:44,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 03:18:44,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-20 03:18:44,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628902664] [2022-03-20 03:18:44,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 03:18:44,553 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-20 03:18:44,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 03:18:44,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-20 03:18:44,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-03-20 03:18:44,554 INFO L87 Difference]: Start difference. First operand 143 states and 166 transitions. Second operand has 9 states, 8 states have (on average 3.0) internal successors, (24), 5 states have internal predecessors, (24), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-03-20 03:18:45,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 03:18:45,286 INFO L93 Difference]: Finished difference Result 238 states and 286 transitions. [2022-03-20 03:18:45,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-20 03:18:45,287 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 5 states have internal predecessors, (24), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 37 [2022-03-20 03:18:45,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 03:18:45,288 INFO L225 Difference]: With dead ends: 238 [2022-03-20 03:18:45,288 INFO L226 Difference]: Without dead ends: 236 [2022-03-20 03:18:45,289 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2022-03-20 03:18:45,289 INFO L913 BasicCegarLoop]: 127 mSDtfsCounter, 843 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-20 03:18:45,290 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [843 Valid, 134 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-20 03:18:45,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2022-03-20 03:18:45,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 199. [2022-03-20 03:18:45,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 155 states have (on average 1.2451612903225806) internal successors, (193), 172 states have internal predecessors, (193), 32 states have call successors, (32), 14 states have call predecessors, (32), 11 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-03-20 03:18:45,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 238 transitions. [2022-03-20 03:18:45,299 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 238 transitions. Word has length 37 [2022-03-20 03:18:45,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 03:18:45,299 INFO L478 AbstractCegarLoop]: Abstraction has 199 states and 238 transitions. [2022-03-20 03:18:45,300 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 5 states have internal predecessors, (24), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-03-20 03:18:45,300 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 238 transitions. [2022-03-20 03:18:45,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-03-20 03:18:45,300 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 03:18:45,300 INFO L499 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] [2022-03-20 03:18:45,301 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 03:18:45,301 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 03:18:45,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 03:18:45,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1085880763, now seen corresponding path program 1 times [2022-03-20 03:18:45,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 03:18:45,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706790920] [2022-03-20 03:18:45,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 03:18:45,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 03:18:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-20 03:18:45,395 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-20 03:18:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-20 03:18:45,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-20 03:18:45,509 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-03-20 03:18:45,510 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-20 03:18:45,512 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 03:18:45,513 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-03-20 03:18:45,516 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-20 03:18:45,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 03:18:45 BasicIcfg [2022-03-20 03:18:45,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-20 03:18:45,565 INFO L158 Benchmark]: Toolchain (without parser) took 3347.09ms. Allocated memory was 181.4MB in the beginning and 267.4MB in the end (delta: 86.0MB). Free memory was 130.6MB in the beginning and 155.2MB in the end (delta: -24.5MB). Peak memory consumption was 62.0MB. Max. memory is 8.0GB. [2022-03-20 03:18:45,566 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 03:18:45,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.01ms. Allocated memory is still 181.4MB. Free memory was 130.4MB in the beginning and 148.4MB in the end (delta: -17.9MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. [2022-03-20 03:18:45,571 INFO L158 Benchmark]: Boogie Preprocessor took 80.09ms. Allocated memory is still 181.4MB. Free memory was 148.4MB in the beginning and 144.4MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-03-20 03:18:45,572 INFO L158 Benchmark]: RCFGBuilder took 607.50ms. Allocated memory is still 181.4MB. Free memory was 144.4MB in the beginning and 113.2MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2022-03-20 03:18:45,572 INFO L158 Benchmark]: IcfgTransformer took 84.20ms. Allocated memory is still 181.4MB. Free memory was 113.2MB in the beginning and 107.5MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-03-20 03:18:45,572 INFO L158 Benchmark]: TraceAbstraction took 2123.97ms. Allocated memory was 181.4MB in the beginning and 267.4MB in the end (delta: 86.0MB). Free memory was 155.7MB in the beginning and 155.2MB in the end (delta: 510.7kB). Peak memory consumption was 86.5MB. Max. memory is 8.0GB. [2022-03-20 03:18:45,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from IcfgTransformer: - StatisticsResult: Jordan loop acceleration statistics 2 HavocedVariables, 0 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 405.01ms. Allocated memory is still 181.4MB. Free memory was 130.4MB in the beginning and 148.4MB in the end (delta: -17.9MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 80.09ms. Allocated memory is still 181.4MB. Free memory was 148.4MB in the beginning and 144.4MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 607.50ms. Allocated memory is still 181.4MB. Free memory was 144.4MB in the beginning and 113.2MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * IcfgTransformer took 84.20ms. Allocated memory is still 181.4MB. Free memory was 113.2MB in the beginning and 107.5MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * TraceAbstraction took 2123.97ms. Allocated memory was 181.4MB in the beginning and 267.4MB in the end (delta: 86.0MB). Free memory was 155.7MB in the beginning and 155.2MB in the end (delta: 510.7kB). Peak memory consumption was 86.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 46]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L52] struct list_head gl_list = {& gl_list, & gl_list}; VAL [\old(gl_list)=null, \old(gl_list)=null, gl_list={5:0}] [L835] struct list_head const *__cil_tmp1 ; [L836] struct list_head const *__cil_tmp2 ; VAL [gl_list={5:0}] [L839] CALL gl_read() VAL [gl_list={5:0}] [L676] int tmp ; [L677] int tmp___0 ; VAL [gl_list={5:0}] [L680] COND TRUE 1 VAL [gl_list={5:0}] [L683] tmp = __VERIFIER_nondet_int() [L684] CALL gl_insert(tmp) VAL [\old(value)=0, gl_list={5:0}] [L622] struct node *node ; [L623] void *tmp ; [L624] unsigned int __cil_tmp4 ; [L625] unsigned int __cil_tmp5 ; [L626] unsigned int __cil_tmp6 ; [L627] struct list_head *__cil_tmp7 ; [L628] unsigned int __cil_tmp8 ; [L629] unsigned int __cil_tmp9 ; [L630] unsigned int __cil_tmp10 ; [L631] unsigned int __cil_tmp11 ; [L632] unsigned int __cil_tmp12 ; [L633] unsigned int __cil_tmp13 ; [L634] unsigned int __cil_tmp14 ; [L635] unsigned int __cil_tmp15 ; [L638] __cil_tmp4 = (unsigned int )20UL [L639] tmp = malloc(__cil_tmp4) [L640] node = (struct node *)tmp VAL [\old(value)=0, __cil_tmp4=20, gl_list={5:0}, node={4294967297:0}, tmp={4294967297:0}, value=0] [L642] COND FALSE !(! node) VAL [\old(value)=0, __cil_tmp4=20, gl_list={5:0}, node={4294967297:0}, tmp={4294967297:0}, value=0] [L649] *((int *)node) = value [L650] __cil_tmp5 = (unsigned int )node [L651] __cil_tmp6 = __cil_tmp5 + 4 [L652] __cil_tmp7 = (struct list_head *)__cil_tmp6 VAL [\old(value)=0, __cil_tmp4=20, __cil_tmp5=1, __cil_tmp6=5, __cil_tmp7={0:5}, gl_list={5:0}, node={4294967297:0}, tmp={4294967297:0}, value=0] [L653] CALL list_add(__cil_tmp7, & gl_list) VAL [gl_list={5:0}, head={5:0}, new={0:5}] [L595] struct list_head *__cil_tmp3 ; [L598] EXPR \read(*head) [L598] __cil_tmp3 = *((struct list_head **)head) [L599] CALL __list_add(new, head, __cil_tmp3) VAL [gl_list={5:0}, new={0:5}, next={5:0}, prev={5:0}] [L567] unsigned int __cil_tmp4 ; [L568] unsigned int __cil_tmp5 ; [L569] unsigned int __cil_tmp6 ; [L570] unsigned int __cil_tmp7 ; [L572] __cil_tmp4 = (unsigned int )next [L573] __cil_tmp5 = __cil_tmp4 + 4 [L574] *((struct list_head **)__cil_tmp5) = new [L575] *((struct list_head **)new) = next [L576] __cil_tmp6 = (unsigned int )new [L577] __cil_tmp7 = __cil_tmp6 + 4 [L578] *((struct list_head **)__cil_tmp7) = prev [L579] *((struct list_head **)prev) = new VAL [__cil_tmp4=5, __cil_tmp5=9, __cil_tmp6=5, __cil_tmp7=9, gl_list={5:0}, new={0:5}, new={0:5}, next={5:0}, next={5:0}, prev={5:0}, prev={5:0}] [L599] RET __list_add(new, head, __cil_tmp3) VAL [__cil_tmp3={5:0}, gl_list={5:0}, head={5:0}, head={5:0}, new={0:5}, new={0:5}] [L653] RET list_add(__cil_tmp7, & gl_list) VAL [\old(value)=0, __cil_tmp4=20, __cil_tmp5=1, __cil_tmp6=5, __cil_tmp7={0:5}, gl_list={5:0}, node={4294967297:0}, tmp={4294967297:0}, value=0] [L656] COND TRUE 1 VAL [\old(value)=0, __cil_tmp4=20, __cil_tmp5=1, __cil_tmp6=5, __cil_tmp7={0:5}, gl_list={5:0}, node={4294967297:0}, tmp={4294967297:0}, value=0] [L658] __cil_tmp8 = (unsigned int )node [L659] __cil_tmp9 = __cil_tmp8 + 12 [L660] __cil_tmp10 = (unsigned int )node [L661] __cil_tmp11 = __cil_tmp10 + 12 [L662] *((struct list_head **)__cil_tmp9) = (struct list_head *)__cil_tmp11 [L663] __cil_tmp12 = (unsigned int )node [L664] __cil_tmp13 = __cil_tmp12 + 12 [L665] __cil_tmp14 = (unsigned int )node [L666] __cil_tmp15 = __cil_tmp14 + 12 [L667] *((struct list_head **)__cil_tmp13) = (struct list_head *)__cil_tmp15 VAL [\old(value)=0, __cil_tmp10=1, __cil_tmp11=13, __cil_tmp12=1, __cil_tmp13=13, __cil_tmp14=1, __cil_tmp15=13, __cil_tmp4=20, __cil_tmp5=1, __cil_tmp6=5, __cil_tmp7={0:5}, __cil_tmp8=1, __cil_tmp9=13, gl_list={5:0}, node={4294967297:0}, tmp={4294967297:0}, value=0] [L684] RET gl_insert(tmp) VAL [gl_list={5:0}, tmp=0] [L685] tmp___0 = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp___0)) VAL [gl_list={5:0}, tmp=0, tmp___0=0] [L839] RET gl_read() VAL [gl_list={5:0}] [L840] __cil_tmp1 = (struct list_head const *)(& gl_list) VAL [__cil_tmp1={5:0}, gl_list={5:0}] [L841] CALL inspect(__cil_tmp1) VAL [gl_list={5:0}, head={5:0}] [L55] struct node const *node ; [L56] unsigned int __cil_tmp3 ; [L57] struct list_head *__cil_tmp4 ; [L58] unsigned int __cil_tmp5 ; [L59] int __cil_tmp6 ; [L60] unsigned int __cil_tmp7 ; [L61] unsigned int __cil_tmp8 ; [L62] unsigned int __cil_tmp9 ; [L63] struct list_head *__cil_tmp10 ; [L64] unsigned int __cil_tmp11 ; [L65] int __cil_tmp12 ; [L66] unsigned int __cil_tmp13 ; [L67] unsigned int __cil_tmp14 ; [L68] struct list_head *__cil_tmp15 ; [L69] unsigned int __cil_tmp16 ; [L70] struct list_head *__cil_tmp17 ; [L71] unsigned int __cil_tmp18 ; [L72] int __cil_tmp19 ; [L73] unsigned int __cil_tmp20 ; [L74] unsigned int __cil_tmp21 ; [L75] unsigned int __cil_tmp22 ; [L76] struct list_head *__cil_tmp23 ; [L77] unsigned int __cil_tmp24 ; [L78] int __cil_tmp25 ; [L79] struct node *__cil_tmp26 ; [L80] unsigned int __cil_tmp27 ; [L81] unsigned int __cil_tmp28 ; [L82] struct list_head *__cil_tmp29 ; [L83] unsigned long __cil_tmp30 ; [L84] char *__cil_tmp31 ; [L85] char *__cil_tmp32 ; [L86] struct node *__cil_tmp33 ; [L87] unsigned int __cil_tmp34 ; [L88] unsigned int __cil_tmp35 ; [L89] struct list_head const *__cil_tmp36 ; [L90] unsigned int __cil_tmp37 ; [L91] unsigned int __cil_tmp38 ; [L92] unsigned int __cil_tmp39 ; [L93] struct list_head *__cil_tmp40 ; [L94] unsigned int __cil_tmp41 ; [L95] int __cil_tmp42 ; [L96] unsigned int __cil_tmp43 ; [L97] unsigned int __cil_tmp44 ; [L98] struct list_head const *__cil_tmp45 ; [L99] unsigned int __cil_tmp46 ; [L100] unsigned int __cil_tmp47 ; [L101] unsigned int __cil_tmp48 ; [L102] unsigned int __cil_tmp49 ; [L103] struct list_head *__cil_tmp50 ; [L104] unsigned int __cil_tmp51 ; [L105] int __cil_tmp52 ; [L106] unsigned int __cil_tmp53 ; [L107] unsigned int __cil_tmp54 ; [L108] struct list_head const *__cil_tmp55 ; [L109] unsigned int __cil_tmp56 ; [L110] unsigned int __cil_tmp57 ; [L111] unsigned int __cil_tmp58 ; [L112] struct list_head *__cil_tmp59 ; [L113] unsigned int __cil_tmp60 ; [L114] int __cil_tmp61 ; [L115] unsigned int __cil_tmp62 ; [L116] unsigned int __cil_tmp63 ; [L117] struct list_head const *__cil_tmp64 ; [L118] unsigned int __cil_tmp65 ; [L119] unsigned int __cil_tmp66 ; [L120] unsigned int __cil_tmp67 ; [L121] unsigned int __cil_tmp68 ; [L122] struct list_head *__cil_tmp69 ; [L123] unsigned int __cil_tmp70 ; [L124] int __cil_tmp71 ; [L125] struct node const *__cil_tmp72 ; [L126] unsigned int __cil_tmp73 ; [L127] unsigned int __cil_tmp74 ; [L128] int __cil_tmp75 ; [L129] unsigned int __cil_tmp76 ; [L130] unsigned int __cil_tmp77 ; [L131] struct list_head const *__cil_tmp78 ; [L132] struct node const *__cil_tmp79 ; [L133] unsigned int __cil_tmp80 ; [L134] unsigned int __cil_tmp81 ; [L135] int __cil_tmp82 ; [L136] int const *__cil_tmp83 ; [L137] struct node const *__cil_tmp84 ; [L138] unsigned int __cil_tmp85 ; [L139] unsigned int __cil_tmp86 ; [L140] int __cil_tmp87 ; [L141] unsigned int __cil_tmp88 ; [L142] unsigned int __cil_tmp89 ; [L143] struct list_head *__cil_tmp90 ; [L144] unsigned int __cil_tmp91 ; [L145] unsigned int __cil_tmp92 ; [L146] struct list_head *__cil_tmp93 ; [L147] unsigned int __cil_tmp94 ; [L148] unsigned int __cil_tmp95 ; [L149] int __cil_tmp96 ; [L150] unsigned int __cil_tmp97 ; [L151] unsigned int __cil_tmp98 ; [L152] unsigned int __cil_tmp99 ; [L153] struct list_head *__cil_tmp100 ; [L154] struct list_head *__cil_tmp101 ; [L155] unsigned int __cil_tmp102 ; [L156] unsigned int __cil_tmp103 ; [L157] int __cil_tmp104 ; [L158] struct list_head *__cil_tmp105 ; [L159] unsigned int __cil_tmp106 ; [L160] unsigned int __cil_tmp107 ; [L161] unsigned int __cil_tmp108 ; [L162] struct list_head const *__cil_tmp109 ; [L163] unsigned int __cil_tmp110 ; [L164] struct list_head *__cil_tmp111 ; [L165] unsigned int __cil_tmp112 ; [L166] struct node *__cil_tmp113 ; [L167] unsigned int __cil_tmp114 ; [L168] unsigned int __cil_tmp115 ; [L169] struct list_head *__cil_tmp116 ; [L170] unsigned long __cil_tmp117 ; [L171] char *__cil_tmp118 ; [L172] char *__cil_tmp119 ; [L173] struct node *__cil_tmp120 ; [L174] unsigned int __cil_tmp121 ; [L175] int __cil_tmp122 ; VAL [gl_list={5:0}, head={5:0}, head={5:0}] [L179] COND TRUE 1 VAL [gl_list={5:0}, head={5:0}, head={5:0}] [L181] COND FALSE !(! head) VAL [gl_list={5:0}, head={5:0}, head={5:0}] [L192] COND TRUE 1 VAL [gl_list={5:0}, head={5:0}, head={5:0}] [L195] __cil_tmp3 = (unsigned int )head [L196] EXPR \read(*head) [L196] __cil_tmp4 = *((struct list_head * const *)head) [L197] __cil_tmp5 = (unsigned int )__cil_tmp4 [L198] __cil_tmp6 = __cil_tmp5 != __cil_tmp3 VAL [__cil_tmp3=5, __cil_tmp4={0:5}, __cil_tmp5=5, __cil_tmp6=0, gl_list={5:0}, head={5:0}, head={5:0}] [L199] COND TRUE ! __cil_tmp6 VAL [__cil_tmp3=5, __cil_tmp4={0:5}, __cil_tmp5=5, __cil_tmp6=0, gl_list={5:0}, head={5:0}, head={5:0}] [L201] CALL fail() VAL [gl_list={5:0}] [L46] reach_error() VAL [gl_list={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 156 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1112 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1098 mSDsluCounter, 276 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 359 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 711 IncrementalHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 359 mSolverCounterUnsat, 267 mSDtfsCounter, 711 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred in iteration=2, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 58 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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! [2022-03-20 03:18:45,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...