/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/bubble_sort-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:42:47,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:42:47,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:42:47,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 18:42:47,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 18:42:47,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 18:42:47,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 18:42:47,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 18:42:47,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 18:42:47,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 18:42:47,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 18:42:47,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 18:42:47,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 18:42:47,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 18:42:47,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 18:42:47,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 18:42:47,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 18:42:47,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 18:42:47,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 18:42:47,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 18:42:47,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 18:42:47,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 18:42:47,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 18:42:47,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 18:42:47,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 18:42:47,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:42:47,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:42:47,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:42:47,921 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-23 18:42:47,982 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:42:47,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:42:47,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:42:47,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:42:47,988 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:42:47,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:42:47,989 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:42:47,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:42:47,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:42:47,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:42:47,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:42:47,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:42:47,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:42:47,993 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:42:47,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:42:47,993 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:42:47,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:42:47,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:42:47,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:42:47,994 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:42:47,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:42:47,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:42:47,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:42:47,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:42:47,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:42:47,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:42:47,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:42:47,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:42:47,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:42:47,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:42:48,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:42:48,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:42:48,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:42:48,531 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:42:48,532 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:42:48,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/bubble_sort-2.i [2020-10-23 18:42:48,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec77196dd/e822efb478264a25b4f170cd152b43ff/FLAG2008b331b [2020-10-23 18:42:49,459 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:42:49,459 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort-2.i [2020-10-23 18:42:49,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec77196dd/e822efb478264a25b4f170cd152b43ff/FLAG2008b331b [2020-10-23 18:42:49,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec77196dd/e822efb478264a25b4f170cd152b43ff [2020-10-23 18:42:49,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:42:49,520 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:42:49,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:42:49,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:42:49,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:42:49,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:42:49" (1/1) ... [2020-10-23 18:42:49,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15302e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:42:49, skipping insertion in model container [2020-10-23 18:42:49,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:42:49" (1/1) ... [2020-10-23 18:42:49,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:42:49,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:42:49,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:42:50,000 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:42:50,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:42:50,112 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:42:50,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:42:50 WrapperNode [2020-10-23 18:42:50,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:42:50,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:42:50,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:42:50,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:42:50,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:42:50" (1/1) ... [2020-10-23 18:42:50,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:42:50" (1/1) ... [2020-10-23 18:42:50,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:42:50" (1/1) ... [2020-10-23 18:42:50,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:42:50" (1/1) ... [2020-10-23 18:42:50,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:42:50" (1/1) ... [2020-10-23 18:42:50,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:42:50" (1/1) ... [2020-10-23 18:42:50,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:42:50" (1/1) ... [2020-10-23 18:42:50,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:42:50,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:42:50,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:42:50,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:42:50,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:42:50" (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 [2020-10-23 18:42:50,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:42:50,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:42:50,330 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:42:50,330 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2020-10-23 18:42:50,330 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2020-10-23 18:42:50,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-23 18:42:50,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2020-10-23 18:42:50,330 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-23 18:42:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2020-10-23 18:42:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2020-10-23 18:42:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2020-10-23 18:42:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2020-10-23 18:42:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2020-10-23 18:42:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2020-10-23 18:42:50,332 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2020-10-23 18:42:50,332 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:42:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:42:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:42:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-23 18:42:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-23 18:42:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:42:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:42:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 18:42:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 18:42:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:42:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2020-10-23 18:42:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2020-10-23 18:42:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 18:42:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-23 18:42:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 18:42:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2020-10-23 18:42:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-23 18:42:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2020-10-23 18:42:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2020-10-23 18:42:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 18:42:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:42:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2020-10-23 18:42:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2020-10-23 18:42:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:42:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2020-10-23 18:42:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:42:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2020-10-23 18:42:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2020-10-23 18:42:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:42:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:42:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:42:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-23 18:42:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:42:51,233 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint failFINAL: assume true; [2020-10-23 18:42:51,539 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:42:51,539 INFO L298 CfgBuilder]: Removed 23 assume(true) statements. [2020-10-23 18:42:51,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:42:51 BoogieIcfgContainer [2020-10-23 18:42:51,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:42:51,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:42:51,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:42:51,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:42:51,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:42:49" (1/3) ... [2020-10-23 18:42:51,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37333640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:42:51, skipping insertion in model container [2020-10-23 18:42:51,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:42:50" (2/3) ... [2020-10-23 18:42:51,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37333640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:42:51, skipping insertion in model container [2020-10-23 18:42:51,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:42:51" (3/3) ... [2020-10-23 18:42:51,553 INFO L111 eAbstractionObserver]: Analyzing ICFG bubble_sort-2.i [2020-10-23 18:42:51,568 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:42:51,574 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:42:51,590 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:42:51,623 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:42:51,623 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:42:51,623 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:42:51,623 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:42:51,624 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:42:51,624 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:42:51,624 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:42:51,624 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:42:51,649 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-10-23 18:42:51,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-23 18:42:51,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:42:51,658 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] [2020-10-23 18:42:51,658 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:42:51,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:42:51,666 INFO L82 PathProgramCache]: Analyzing trace with hash 980649586, now seen corresponding path program 1 times [2020-10-23 18:42:51,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:42:51,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239771447] [2020-10-23 18:42:51,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:42:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:42:51,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:42:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:42:52,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 18:42:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:42:52,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:42:52,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239771447] [2020-10-23 18:42:52,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:42:52,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:42:52,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636658390] [2020-10-23 18:42:52,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:42:52,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:42:52,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:42:52,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:42:52,045 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 4 states. [2020-10-23 18:42:52,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:42:52,852 INFO L93 Difference]: Finished difference Result 338 states and 511 transitions. [2020-10-23 18:42:52,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-23 18:42:52,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-23 18:42:52,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:42:52,867 INFO L225 Difference]: With dead ends: 338 [2020-10-23 18:42:52,867 INFO L226 Difference]: Without dead ends: 166 [2020-10-23 18:42:52,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:42:52,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-23 18:42:52,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 145. [2020-10-23 18:42:52,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-10-23 18:42:52,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 168 transitions. [2020-10-23 18:42:52,995 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 168 transitions. Word has length 20 [2020-10-23 18:42:52,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:42:52,996 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 168 transitions. [2020-10-23 18:42:52,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:42:52,997 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 168 transitions. [2020-10-23 18:42:53,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-23 18:42:53,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:42:53,001 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] [2020-10-23 18:42:53,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:42:53,002 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:42:53,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:42:53,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1813175720, now seen corresponding path program 1 times [2020-10-23 18:42:53,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:42:53,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543389550] [2020-10-23 18:42:53,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:42:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:42:53,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:42:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:42:53,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 18:42:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:42:53,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 18:42:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:42:53,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 18:42:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:42:53,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:42:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:42:53,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:42:53,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543389550] [2020-10-23 18:42:53,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:42:53,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 18:42:53,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308003756] [2020-10-23 18:42:53,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 18:42:53,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:42:53,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 18:42:53,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:42:53,510 INFO L87 Difference]: Start difference. First operand 145 states and 168 transitions. Second operand 9 states. [2020-10-23 18:42:55,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:42:55,138 INFO L93 Difference]: Finished difference Result 245 states and 293 transitions. [2020-10-23 18:42:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 18:42:55,139 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 39 [2020-10-23 18:42:55,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:42:55,143 INFO L225 Difference]: With dead ends: 245 [2020-10-23 18:42:55,143 INFO L226 Difference]: Without dead ends: 238 [2020-10-23 18:42:55,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2020-10-23 18:42:55,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-23 18:42:55,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 201. [2020-10-23 18:42:55,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-10-23 18:42:55,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 240 transitions. [2020-10-23 18:42:55,190 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 240 transitions. Word has length 39 [2020-10-23 18:42:55,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:42:55,191 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 240 transitions. [2020-10-23 18:42:55,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 18:42:55,191 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 240 transitions. [2020-10-23 18:42:55,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-23 18:42:55,193 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:42:55,193 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] [2020-10-23 18:42:55,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:42:55,193 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:42:55,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:42:55,194 INFO L82 PathProgramCache]: Analyzing trace with hash -445551942, now seen corresponding path program 1 times [2020-10-23 18:42:55,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:42:55,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39736656] [2020-10-23 18:42:55,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:42:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 18:42:55,576 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 18:42:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 18:42:55,769 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 18:42:55,842 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-23 18:42:55,843 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 18:42:55,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:42:55,900 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8589934596 could not be translated for associated CType STRUCT~~list_head?next~*list_head?prev~*list_head# [2020-10-23 18:42:55,901 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8589934590 could not be translated for associated CType STRUCT~~list_head?next~*list_head?prev~*list_head# [2020-10-23 18:42:55,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:42:55 BoogieIcfgContainer [2020-10-23 18:42:55,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:42:55,966 INFO L168 Benchmark]: Toolchain (without parser) took 6456.70 ms. Allocated memory was 151.0 MB in the beginning and 185.6 MB in the end (delta: 34.6 MB). Free memory was 125.2 MB in the beginning and 155.6 MB in the end (delta: -30.5 MB). Peak memory consumption was 107.4 MB. Max. memory is 8.0 GB. [2020-10-23 18:42:55,967 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:42:55,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.05 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 105.8 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-10-23 18:42:55,969 INFO L168 Benchmark]: Boogie Preprocessor took 120.94 ms. Allocated memory is still 151.0 MB. Free memory was 105.8 MB in the beginning and 101.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:42:55,970 INFO L168 Benchmark]: RCFGBuilder took 1306.05 ms. Allocated memory is still 151.0 MB. Free memory was 101.6 MB in the beginning and 71.6 MB in the end (delta: 30.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 8.0 GB. [2020-10-23 18:42:55,971 INFO L168 Benchmark]: TraceAbstraction took 4418.73 ms. Allocated memory was 151.0 MB in the beginning and 185.6 MB in the end (delta: 34.6 MB). Free memory was 71.1 MB in the beginning and 155.6 MB in the end (delta: -84.6 MB). Peak memory consumption was 52.3 MB. Max. memory is 8.0 GB. [2020-10-23 18:42:55,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 588.05 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 105.8 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 120.94 ms. Allocated memory is still 151.0 MB. Free memory was 105.8 MB in the beginning and 101.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1306.05 ms. Allocated memory is still 151.0 MB. Free memory was 101.6 MB in the beginning and 71.6 MB in the end (delta: 30.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4418.73 ms. Allocated memory was 151.0 MB in the beginning and 185.6 MB in the end (delta: 34.6 MB). Free memory was 71.1 MB in the beginning and 155.6 MB in the end (delta: -84.6 MB). Peak memory consumption was 52.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 8589934596 could not be translated for associated CType STRUCT~~list_head?next~*list_head?prev~*list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 8589934590 could not be translated for associated CType STRUCT~~list_head?next~*list_head?prev~*list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_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={8589934583:0}] [L835] struct list_head const *__cil_tmp1 ; [L836] struct list_head const *__cil_tmp2 ; VAL [gl_list={8589934583:0}] [L839] CALL gl_read() VAL [gl_list={8589934583:0}] [L676] int tmp ; [L677] int tmp___0 ; VAL [gl_list={8589934583:0}] [L680] COND TRUE 1 VAL [gl_list={8589934583:0}] [L683] tmp = __VERIFIER_nondet_int() [L684] CALL gl_insert(tmp) VAL [\old(value)=3, gl_list={8589934583:0}] [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)=3, __cil_tmp4=20, gl_list={8589934583:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=3] [L642] COND FALSE !(! node) VAL [\old(value)=3, __cil_tmp4=20, gl_list={8589934583:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=3] [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)=3, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, __cil_tmp7={0:-9}, gl_list={8589934583:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=3] [L653] CALL list_add(__cil_tmp7, & gl_list) VAL [gl_list={8589934583:0}, head={8589934583:0}, new={0:-9}] [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={8589934583:0}, new={0:-9}, next={8589934583:0}, prev={8589934583:0}] [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=4294967287, __cil_tmp5=4294967291, __cil_tmp6=4294967287, __cil_tmp7=4294967291, gl_list={8589934583:0}, new={0:-9}, new={0:-9}, next={8589934583:0}, next={8589934583:0}, prev={8589934583:0}, prev={8589934583:0}] [L599] RET __list_add(new, head, __cil_tmp3) VAL [__cil_tmp3={8589934583:0}, gl_list={8589934583:0}, head={8589934583:0}, head={8589934583:0}, new={0:-9}, new={0:-9}] [L653] RET list_add(__cil_tmp7, & gl_list) VAL [\old(value)=3, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, __cil_tmp7={0:-9}, gl_list={8589934583:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=3] [L656] COND TRUE 1 VAL [\old(value)=3, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, __cil_tmp7={0:-9}, gl_list={8589934583:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=3] [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)=3, __cil_tmp10=4294967283, __cil_tmp11=4294967295, __cil_tmp12=4294967283, __cil_tmp13=4294967295, __cil_tmp14=4294967283, __cil_tmp15=4294967295, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, __cil_tmp7={0:-9}, __cil_tmp8=4294967283, __cil_tmp9=4294967295, gl_list={8589934583:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=3] [L684] RET gl_insert(tmp) VAL [gl_list={8589934583:0}, tmp=3] [L685] tmp___0 = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp___0)) VAL [gl_list={8589934583:0}, tmp=3, tmp___0=0] [L839] RET gl_read() VAL [gl_list={8589934583:0}] [L840] __cil_tmp1 = (struct list_head const *)(& gl_list) VAL [__cil_tmp1={8589934583:0}, gl_list={8589934583:0}] [L841] CALL inspect(__cil_tmp1) VAL [gl_list={8589934583:0}, head={8589934583:0}] [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={8589934583:0}, head={8589934583:0}, head={8589934583:0}] [L179] COND TRUE 1 VAL [gl_list={8589934583:0}, head={8589934583:0}, head={8589934583:0}] [L181] COND FALSE !(! head) VAL [gl_list={8589934583:0}, head={8589934583:0}, head={8589934583:0}] [L192] COND TRUE 1 VAL [gl_list={8589934583:0}, head={8589934583:0}, head={8589934583:0}] [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=4294967287, __cil_tmp4={0:-9}, __cil_tmp5=4294967287, __cil_tmp6=0, gl_list={8589934583:0}, head={8589934583:0}, head={8589934583:0}] [L199] COND TRUE ! __cil_tmp6 VAL [__cil_tmp3=4294967287, __cil_tmp4={0:-9}, __cil_tmp5=4294967287, __cil_tmp6=0, gl_list={8589934583:0}, head={8589934583:0}, head={8589934583:0}] [L201] CALL fail() VAL [gl_list={8589934583:0}] [L46] CALL reach_error() VAL [gl_list={8589934583:0}] [L12] COND FALSE !(0) VAL [gl_list={8589934583:0}] [L12] __assert_fail ("0", "bubble_sort-2.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [gl_list={8589934583:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 16 procedures, 162 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 282 SDtfs, 1073 SDslu, 160 SDs, 0 SdLazy, 609 SolverSat, 345 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=201occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 58 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 7448 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! Received shutdown request...