/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loops/bubble_sort-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 23:01:36,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 23:01:36,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 23:01:36,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-02 23:01:36,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-02 23:01:36,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-02 23:01:36,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-02 23:01:36,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-02 23:01:36,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-02 23:01:36,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-02 23:01:36,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-02 23:01:36,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-02 23:01:36,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-02 23:01:36,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-02 23:01:36,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-02 23:01:36,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-02 23:01:36,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-02 23:01:36,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-02 23:01:36,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-02 23:01:36,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-02 23:01:36,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-02 23:01:36,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-02 23:01:36,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-02 23:01:36,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-02 23:01:36,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-02 23:01:36,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-02 23:01:36,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-02 23:01:36,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-02 23:01:36,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-02 23:01:36,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-02 23:01:36,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-02 23:01:36,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-02 23:01:36,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-02 23:01:36,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 23:01:36,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 23:01:36,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 23:01:36,584 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-05-02 23:01:36,600 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 23:01:36,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 23:01:36,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 23:01:36,603 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 23:01:36,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 23:01:36,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 23:01:36,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 23:01:36,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 23:01:36,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 23:01:36,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 23:01:36,605 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 23:01:36,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 23:01:36,606 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 23:01:36,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 23:01:36,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 23:01:36,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 23:01:36,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-02 23:01:36,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 23:01:36,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 23:01:36,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 23:01:36,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-05-02 23:01:36,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-02 23:01:36,608 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-05-02 23:01:36,608 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 23:01:36,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 23:01:36,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 23:01:36,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 23:01:36,956 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 23:01:36,957 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 23:01:36,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/bubble_sort-2.i [2021-05-02 23:01:37,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06b5617d/ace9ed1fbc3f470f87cfbba04fd9570e/FLAGb3e562ee1 [2021-05-02 23:01:37,611 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 23:01:37,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort-2.i [2021-05-02 23:01:37,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06b5617d/ace9ed1fbc3f470f87cfbba04fd9570e/FLAGb3e562ee1 [2021-05-02 23:01:37,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06b5617d/ace9ed1fbc3f470f87cfbba04fd9570e [2021-05-02 23:01:37,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 23:01:37,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-02 23:01:37,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 23:01:37,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 23:01:37,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 23:01:37,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 11:01:37" (1/1) ... [2021-05-02 23:01:37,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@598e18a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:37, skipping insertion in model container [2021-05-02 23:01:37,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 11:01:37" (1/1) ... [2021-05-02 23:01:37,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 23:01:37,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 23:01:38,131 WARN L224 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] [2021-05-02 23:01:38,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 23:01:38,222 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 23:01:38,236 WARN L224 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] [2021-05-02 23:01:38,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 23:01:38,342 INFO L208 MainTranslator]: Completed translation [2021-05-02 23:01:38,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:38 WrapperNode [2021-05-02 23:01:38,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 23:01:38,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 23:01:38,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 23:01:38,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 23:01:38,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:38" (1/1) ... [2021-05-02 23:01:38,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:38" (1/1) ... [2021-05-02 23:01:38,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:38" (1/1) ... [2021-05-02 23:01:38,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:38" (1/1) ... [2021-05-02 23:01:38,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:38" (1/1) ... [2021-05-02 23:01:38,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:38" (1/1) ... [2021-05-02 23:01:38,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:38" (1/1) ... [2021-05-02 23:01:38,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 23:01:38,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 23:01:38,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 23:01:38,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 23:01:38,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:38" (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 [2021-05-02 23:01:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 23:01:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 23:01:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 23:01:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-05-02 23:01:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2021-05-02 23:01:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-05-02 23:01:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2021-05-02 23:01:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-05-02 23:01:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2021-05-02 23:01:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2021-05-02 23:01:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2021-05-02 23:01:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2021-05-02 23:01:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2021-05-02 23:01:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2021-05-02 23:01:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2021-05-02 23:01:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 23:01:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 23:01:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 23:01:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-05-02 23:01:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-05-02 23:01:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 23:01:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 23:01:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-05-02 23:01:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-05-02 23:01:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-02 23:01:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-05-02 23:01:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2021-05-02 23:01:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-05-02 23:01:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-05-02 23:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-05-02 23:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2021-05-02 23:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-05-02 23:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2021-05-02 23:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2021-05-02 23:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-05-02 23:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 23:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2021-05-02 23:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2021-05-02 23:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 23:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2021-05-02 23:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 23:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2021-05-02 23:01:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2021-05-02 23:01:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 23:01:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 23:01:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 23:01:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-05-02 23:01:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 23:01:38,978 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint failFINAL: assume true; [2021-05-02 23:01:39,309 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 23:01:39,309 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2021-05-02 23:01:39,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 11:01:39 BoogieIcfgContainer [2021-05-02 23:01:39,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 23:01:39,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 23:01:39,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 23:01:39,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 23:01:39,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 11:01:37" (1/3) ... [2021-05-02 23:01:39,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207ec14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 11:01:39, skipping insertion in model container [2021-05-02 23:01:39,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:38" (2/3) ... [2021-05-02 23:01:39,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207ec14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 11:01:39, skipping insertion in model container [2021-05-02 23:01:39,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 11:01:39" (3/3) ... [2021-05-02 23:01:39,318 INFO L111 eAbstractionObserver]: Analyzing ICFG bubble_sort-2.i [2021-05-02 23:01:39,323 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-05-02 23:01:39,326 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 23:01:39,338 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 23:01:39,360 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 23:01:39,360 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-02 23:01:39,361 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-05-02 23:01:39,361 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 23:01:39,361 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 23:01:39,361 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 23:01:39,361 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 23:01:39,361 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 23:01:39,379 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) [2021-05-02 23:01:39,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-05-02 23:01:39,387 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 23:01:39,388 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 23:01:39,389 INFO L428 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 23:01:39,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 23:01:39,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1791385099, now seen corresponding path program 1 times [2021-05-02 23:01:39,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-02 23:01:39,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823608153] [2021-05-02 23:01:39,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 23:01:39,461 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-02 23:01:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:01:39,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 23:01:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:01:39,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 23:01:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:01:39,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 23:01:39,690 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-02 23:01:39,690 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823608153] [2021-05-02 23:01:39,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [823608153] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 23:01:39,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 23:01:39,692 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-02 23:01:39,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315171578] [2021-05-02 23:01:39,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-02 23:01:39,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-02 23:01:39,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-02 23:01:39,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-02 23:01:39,712 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) [2021-05-02 23:01:40,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 23:01:40,428 INFO L93 Difference]: Finished difference Result 331 states and 501 transitions. [2021-05-02 23:01:40,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-02 23:01:40,430 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 [2021-05-02 23:01:40,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 23:01:40,441 INFO L225 Difference]: With dead ends: 331 [2021-05-02 23:01:40,441 INFO L226 Difference]: Without dead ends: 164 [2021-05-02 23:01:40,447 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 90.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-02 23:01:40,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-05-02 23:01:40,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 143. [2021-05-02 23:01:40,539 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) [2021-05-02 23:01:40,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 166 transitions. [2021-05-02 23:01:40,541 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 166 transitions. Word has length 18 [2021-05-02 23:01:40,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 23:01:40,542 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 166 transitions. [2021-05-02 23:01:40,542 INFO L481 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) [2021-05-02 23:01:40,542 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 166 transitions. [2021-05-02 23:01:40,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-05-02 23:01:40,544 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 23:01:40,544 INFO L523 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] [2021-05-02 23:01:40,544 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 23:01:40,544 INFO L428 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 23:01:40,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 23:01:40,545 INFO L82 PathProgramCache]: Analyzing trace with hash 2112592059, now seen corresponding path program 1 times [2021-05-02 23:01:40,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-02 23:01:40,545 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1852832666] [2021-05-02 23:01:40,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 23:01:40,548 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-02 23:01:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:01:40,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 23:01:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:01:40,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 23:01:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:01:40,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-05-02 23:01:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:01:40,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-05-02 23:01:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:01:40,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-05-02 23:01:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:01:40,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 23:01:40,884 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-02 23:01:40,884 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1852832666] [2021-05-02 23:01:40,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1852832666] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 23:01:40,884 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 23:01:40,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-05-02 23:01:40,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450240733] [2021-05-02 23:01:40,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-02 23:01:40,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-02 23:01:40,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-02 23:01:40,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-05-02 23:01:40,886 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) [2021-05-02 23:01:42,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 23:01:42,085 INFO L93 Difference]: Finished difference Result 241 states and 289 transitions. [2021-05-02 23:01:42,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-02 23:01:42,085 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 [2021-05-02 23:01:42,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 23:01:42,091 INFO L225 Difference]: With dead ends: 241 [2021-05-02 23:01:42,092 INFO L226 Difference]: Without dead ends: 236 [2021-05-02 23:01:42,093 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 280.0ms TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2021-05-02 23:01:42,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-05-02 23:01:42,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 199. [2021-05-02 23:01:42,135 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) [2021-05-02 23:01:42,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 238 transitions. [2021-05-02 23:01:42,137 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 238 transitions. Word has length 37 [2021-05-02 23:01:42,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 23:01:42,137 INFO L480 AbstractCegarLoop]: Abstraction has 199 states and 238 transitions. [2021-05-02 23:01:42,137 INFO L481 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) [2021-05-02 23:01:42,137 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 238 transitions. [2021-05-02 23:01:42,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-05-02 23:01:42,138 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 23:01:42,138 INFO L523 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] [2021-05-02 23:01:42,138 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-02 23:01:42,138 INFO L428 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 23:01:42,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 23:01:42,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1799360915, now seen corresponding path program 1 times [2021-05-02 23:01:42,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-02 23:01:42,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1324886631] [2021-05-02 23:01:42,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 23:01:42,142 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-02 23:01:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-02 23:01:42,305 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-02 23:01:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-02 23:01:42,388 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-02 23:01:42,417 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-05-02 23:01:42,417 INFO L624 BasicCegarLoop]: Counterexample might be feasible [2021-05-02 23:01:42,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-02 23:01:42,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 11:01:42 BoogieIcfgContainer [2021-05-02 23:01:42,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-02 23:01:42,439 INFO L168 Benchmark]: Toolchain (without parser) took 4513.89 ms. Allocated memory was 176.2 MB in the beginning and 238.0 MB in the end (delta: 61.9 MB). Free memory was 140.8 MB in the beginning and 118.2 MB in the end (delta: 22.6 MB). Peak memory consumption was 85.8 MB. Max. memory is 8.0 GB. [2021-05-02 23:01:42,439 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 176.2 MB. Free memory is still 158.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-02 23:01:42,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.16 ms. Allocated memory is still 176.2 MB. Free memory was 140.5 MB in the beginning and 150.5 MB in the end (delta: -9.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-05-02 23:01:42,440 INFO L168 Benchmark]: Boogie Preprocessor took 111.65 ms. Allocated memory is still 176.2 MB. Free memory was 150.5 MB in the beginning and 146.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-05-02 23:01:42,441 INFO L168 Benchmark]: RCFGBuilder took 855.59 ms. Allocated memory is still 176.2 MB. Free memory was 146.6 MB in the beginning and 136.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 47.9 MB. Max. memory is 8.0 GB. [2021-05-02 23:01:42,441 INFO L168 Benchmark]: TraceAbstraction took 3124.56 ms. Allocated memory was 176.2 MB in the beginning and 238.0 MB in the end (delta: 61.9 MB). Free memory was 135.6 MB in the beginning and 118.2 MB in the end (delta: 17.3 MB). Peak memory consumption was 79.2 MB. Max. memory is 8.0 GB. [2021-05-02 23:01:42,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 176.2 MB. Free memory is still 158.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 413.16 ms. Allocated memory is still 176.2 MB. Free memory was 140.5 MB in the beginning and 150.5 MB in the end (delta: -9.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 111.65 ms. Allocated memory is still 176.2 MB. Free memory was 150.5 MB in the beginning and 146.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 855.59 ms. Allocated memory is still 176.2 MB. Free memory was 146.6 MB in the beginning and 136.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 47.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3124.56 ms. Allocated memory was 176.2 MB in the beginning and 238.0 MB in the end (delta: 61.9 MB). Free memory was 135.6 MB in the beginning and 118.2 MB in the end (delta: 17.3 MB). Peak memory consumption was 79.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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}; [L835] struct list_head const *__cil_tmp1 ; [L836] struct list_head const *__cil_tmp2 ; [L839] CALL gl_read() [L676] int tmp ; [L677] int tmp___0 ; [L680] COND TRUE 1 [L683] tmp = __VERIFIER_nondet_int() [L684] CALL gl_insert(tmp) [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 [L642] COND FALSE !(! node) [L649] *((int *)node) = value [L650] __cil_tmp5 = (unsigned int )node [L651] __cil_tmp6 = __cil_tmp5 + 4 [L652] __cil_tmp7 = (struct list_head *)__cil_tmp6 [L653] CALL list_add(__cil_tmp7, & gl_list) [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) [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 [L599] RET __list_add(new, head, __cil_tmp3) [L653] RET list_add(__cil_tmp7, & gl_list) [L656] COND TRUE 1 [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 [L684] RET gl_insert(tmp) [L685] tmp___0 = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp___0)) [L839] RET gl_read() [L840] __cil_tmp1 = (struct list_head const *)(& gl_list) [L841] CALL inspect(__cil_tmp1) [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 ; [L179] COND TRUE 1 [L181] COND FALSE !(! head) [L192] COND TRUE 1 [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 [L199] COND TRUE ! __cil_tmp6 [L201] CALL fail() [L46] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 16 procedures, 160 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3060.4ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 14.4ms, AutomataDifference: 1955.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 278 SDtfs, 893 SDslu, 166 SDs, 0 SdLazy, 646 SolverSat, 287 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1131.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 370.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 126.3ms AutomataMinimizationTime, 2 MinimizatonAttempts, 58 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...