/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/loops/bubble_sort-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 17:37:08,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 17:37:08,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 17:37:08,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-02 17:37:08,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-02 17:37:08,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-02 17:37:08,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-02 17:37:08,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-02 17:37:08,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-02 17:37:08,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-02 17:37:08,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-02 17:37:08,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-02 17:37:08,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-02 17:37:08,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-02 17:37:08,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-02 17:37:08,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-02 17:37:08,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-02 17:37:08,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-02 17:37:08,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-02 17:37:08,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-02 17:37:08,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-02 17:37:08,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-02 17:37:08,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-02 17:37:08,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-02 17:37:08,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-05-02 17:37:08,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-05-02 17:37:08,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-05-02 17:37:08,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-05-02 17:37:08,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-05-02 17:37:08,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-05-02 17:37:08,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-02 17:37:08,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-02 17:37:08,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-02 17:37:08,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-02 17:37:08,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-02 17:37:08,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-02 17:37:08,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-02 17:37:08,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-02 17:37:08,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 17:37:08,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 17:37:08,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 17:37:08,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-02 17:37:08,454 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 17:37:08,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 17:37:08,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 17:37:08,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 17:37:08,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 17:37:08,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 17:37:08,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 17:37:08,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 17:37:08,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 17:37:08,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 17:37:08,459 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 17:37:08,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 17:37:08,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 17:37:08,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 17:37:08,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 17:37:08,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 17:37:08,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-02 17:37:08,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 17:37:08,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 17:37:08,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 17:37:08,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-02 17:37:08,462 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-02 17:37:08,462 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 17:37:08,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 17:37:08,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 17:37:08,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 17:37:08,786 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 17:37:08,787 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 17:37:08,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/bubble_sort-2.i [2021-05-02 17:37:08,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d7d3bef3/72b79052fd68443e8f36ddc643307843/FLAG559e8ad2d [2021-05-02 17:37:09,319 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 17:37:09,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort-2.i [2021-05-02 17:37:09,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d7d3bef3/72b79052fd68443e8f36ddc643307843/FLAG559e8ad2d [2021-05-02 17:37:09,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d7d3bef3/72b79052fd68443e8f36ddc643307843 [2021-05-02 17:37:09,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 17:37:09,354 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-02 17:37:09,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 17:37:09,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 17:37:09,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 17:37:09,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@686f92ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09, skipping insertion in model container [2021-05-02 17:37:09,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 17:37:09,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 17:37:09,575 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 17:37:09,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 17:37:09,729 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 17:37:09,739 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 17:37:09,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 17:37:09,795 INFO L208 MainTranslator]: Completed translation [2021-05-02 17:37:09,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09 WrapperNode [2021-05-02 17:37:09,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 17:37:09,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 17:37:09,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 17:37:09,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 17:37:09,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 17:37:09,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 17:37:09,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 17:37:09,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 17:37:09,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (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 17:37:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 17:37:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 17:37:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 17:37:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-05-02 17:37:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2021-05-02 17:37:09,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-05-02 17:37:09,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2021-05-02 17:37:09,986 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-05-02 17:37:09,986 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2021-05-02 17:37:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2021-05-02 17:37:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2021-05-02 17:37:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2021-05-02 17:37:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2021-05-02 17:37:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2021-05-02 17:37:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2021-05-02 17:37:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 17:37:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 17:37:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 17:37:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-05-02 17:37:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-05-02 17:37:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 17:37:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 17:37:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-05-02 17:37:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-05-02 17:37:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-02 17:37:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-05-02 17:37:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2021-05-02 17:37:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-05-02 17:37:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-05-02 17:37:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-05-02 17:37:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2021-05-02 17:37:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-05-02 17:37:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2021-05-02 17:37:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2021-05-02 17:37:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-05-02 17:37:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 17:37:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2021-05-02 17:37:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2021-05-02 17:37:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 17:37:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2021-05-02 17:37:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 17:37:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2021-05-02 17:37:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2021-05-02 17:37:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 17:37:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 17:37:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 17:37:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-05-02 17:37:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 17:37:10,434 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint failFINAL: assume true; [2021-05-02 17:37:10,751 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 17:37:10,751 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2021-05-02 17:37:10,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 05:37:10 BoogieIcfgContainer [2021-05-02 17:37:10,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 17:37:10,753 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-02 17:37:10,753 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-02 17:37:10,754 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-02 17:37:10,756 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 05:37:10" (1/1) ... [2021-05-02 17:37:10,775 INFO L181 rdanLoopAcceleration]: Guard: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] [2021-05-02 17:37:10,788 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 17:37:10,800 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-02 17:37:10,808 INFO L1112 elerationTransformer]: Accelerated Formula: false InVars {} OutVars{fail_#t~nondet5.offset=|v_fail_#t~nondet5.offset_1|, fail_#t~nondet5.base=|v_fail_#t~nondet5.base_1|} AuxVars[] AssignedVars[fail_#t~nondet5.offset, fail_#t~nondet5.base] with Formula: (and (= v_itFin_1 0) (= |v_fail_#t~nondet5.base_1| |v_fail_#t~nondet5.base_2|) (= |v_fail_#t~nondet5.offset_1| |v_fail_#t~nondet5.offset_2|)) InVars {fail_#t~nondet5.base=|v_fail_#t~nondet5.base_2|, fail_#t~nondet5.offset=|v_fail_#t~nondet5.offset_2|} OutVars{fail_#t~nondet5.base=|v_fail_#t~nondet5.base_1|, fail_#t~nondet5.offset=|v_fail_#t~nondet5.offset_1|} AuxVars[v_itFin_1] AssignedVars[fail_#t~nondet5.offset, fail_#t~nondet5.base] [2021-05-02 17:37:10,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 05:37:10 BasicIcfg [2021-05-02 17:37:10,825 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-02 17:37:10,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 17:37:10,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 17:37:10,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 17:37:10,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 05:37:09" (1/4) ... [2021-05-02 17:37:10,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64009447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 05:37:10, skipping insertion in model container [2021-05-02 17:37:10,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (2/4) ... [2021-05-02 17:37:10,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64009447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 05:37:10, skipping insertion in model container [2021-05-02 17:37:10,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 05:37:10" (3/4) ... [2021-05-02 17:37:10,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64009447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 05:37:10, skipping insertion in model container [2021-05-02 17:37:10,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 05:37:10" (4/4) ... [2021-05-02 17:37:10,831 INFO L111 eAbstractionObserver]: Analyzing ICFG bubble_sort-2.iJordan [2021-05-02 17:37:10,835 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-02 17:37:10,838 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 17:37:10,852 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 17:37:10,866 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 17:37:10,866 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-02 17:37:10,866 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-02 17:37:10,866 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 17:37:10,866 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 17:37:10,866 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 17:37:10,866 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 17:37:10,867 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 17:37:10,879 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 17:37:10,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-05-02 17:37:10,885 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 17:37:10,885 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 17:37:10,886 INFO L428 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 17:37:10,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 17:37:10,890 INFO L82 PathProgramCache]: Analyzing trace with hash 626291817, now seen corresponding path program 1 times [2021-05-02 17:37:10,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 17:37:10,898 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996006914] [2021-05-02 17:37:10,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 17:37:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:37:11,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 17:37:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:37:11,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 17:37:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:37:11,092 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 17:37:11,093 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 17:37:11,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996006914] [2021-05-02 17:37:11,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996006914] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 17:37:11,094 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 17:37:11,094 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-02 17:37:11,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383435681] [2021-05-02 17:37:11,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-02 17:37:11,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 17:37:11,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-02 17:37:11,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-02 17:37:11,116 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 17:37:11,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 17:37:11,675 INFO L93 Difference]: Finished difference Result 183 states and 218 transitions. [2021-05-02 17:37:11,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-02 17:37:11,677 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 17:37:11,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 17:37:11,689 INFO L225 Difference]: With dead ends: 183 [2021-05-02 17:37:11,689 INFO L226 Difference]: Without dead ends: 164 [2021-05-02 17:37:11,690 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 121.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-02 17:37:11,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-05-02 17:37:11,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 143. [2021-05-02 17:37:11,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 99 states have (on average 1.2323232323232323) internal successors, (122), 118 states have internal predecessors, (122), 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 17:37:11,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2021-05-02 17:37:11,729 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 18 [2021-05-02 17:37:11,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 17:37:11,729 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2021-05-02 17:37:11,729 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 17:37:11,729 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2021-05-02 17:37:11,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-05-02 17:37:11,731 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 17:37:11,731 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 17:37:11,731 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 17:37:11,731 INFO L428 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 17:37:11,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 17:37:11,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1647321823, now seen corresponding path program 1 times [2021-05-02 17:37:11,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 17:37:11,732 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150710213] [2021-05-02 17:37:11,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 17:37:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:37:11,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 17:37:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:37:11,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 17:37:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:37:11,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-05-02 17:37:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:37:12,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-05-02 17:37:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:37:12,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-05-02 17:37:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:37:12,059 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 17:37:12,060 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 17:37:12,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150710213] [2021-05-02 17:37:12,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150710213] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 17:37:12,060 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 17:37:12,060 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-05-02 17:37:12,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368538021] [2021-05-02 17:37:12,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-02 17:37:12,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 17:37:12,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-02 17:37:12,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-05-02 17:37:12,063 INFO L87 Difference]: Start difference. First operand 143 states and 167 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 17:37:13,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 17:37:13,362 INFO L93 Difference]: Finished difference Result 238 states and 287 transitions. [2021-05-02 17:37:13,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-02 17:37:13,363 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 17:37:13,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 17:37:13,369 INFO L225 Difference]: With dead ends: 238 [2021-05-02 17:37:13,369 INFO L226 Difference]: Without dead ends: 236 [2021-05-02 17:37:13,371 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 376.5ms TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2021-05-02 17:37:13,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-05-02 17:37:13,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 199. [2021-05-02 17:37:13,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 155 states have (on average 1.2516129032258065) internal successors, (194), 173 states have internal predecessors, (194), 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 17:37:13,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 239 transitions. [2021-05-02 17:37:13,405 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 239 transitions. Word has length 37 [2021-05-02 17:37:13,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 17:37:13,405 INFO L480 AbstractCegarLoop]: Abstraction has 199 states and 239 transitions. [2021-05-02 17:37:13,405 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 17:37:13,405 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 239 transitions. [2021-05-02 17:37:13,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-05-02 17:37:13,406 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 17:37:13,406 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 17:37:13,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-02 17:37:13,407 INFO L428 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 17:37:13,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 17:37:13,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1085880763, now seen corresponding path program 1 times [2021-05-02 17:37:13,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 17:37:13,408 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114226017] [2021-05-02 17:37:13,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 17:37:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-02 17:37:13,559 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-02 17:37:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-02 17:37:13,712 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-02 17:37:13,763 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-02 17:37:13,763 INFO L624 BasicCegarLoop]: Counterexample might be feasible [2021-05-02 17:37:13,763 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-02 17:37:13,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 05:37:13 BasicIcfg [2021-05-02 17:37:13,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-02 17:37:13,825 INFO L168 Benchmark]: Toolchain (without parser) took 4470.83 ms. Allocated memory was 194.0 MB in the beginning and 281.0 MB in the end (delta: 87.0 MB). Free memory was 157.4 MB in the beginning and 129.3 MB in the end (delta: 28.1 MB). Peak memory consumption was 115.5 MB. Max. memory is 8.0 GB. [2021-05-02 17:37:13,825 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 194.0 MB. Free memory is still 175.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-02 17:37:13,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.40 ms. Allocated memory is still 194.0 MB. Free memory was 157.3 MB in the beginning and 168.7 MB in the end (delta: -11.5 MB). Peak memory consumption was 17.4 MB. Max. memory is 8.0 GB. [2021-05-02 17:37:13,826 INFO L168 Benchmark]: Boogie Preprocessor took 111.70 ms. Allocated memory is still 194.0 MB. Free memory was 168.7 MB in the beginning and 164.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-05-02 17:37:13,827 INFO L168 Benchmark]: RCFGBuilder took 843.33 ms. Allocated memory is still 194.0 MB. Free memory was 164.5 MB in the beginning and 101.1 MB in the end (delta: 63.4 MB). Peak memory consumption was 64.0 MB. Max. memory is 8.0 GB. [2021-05-02 17:37:13,827 INFO L168 Benchmark]: IcfgTransformer took 71.40 ms. Allocated memory is still 194.0 MB. Free memory was 101.1 MB in the beginning and 94.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2021-05-02 17:37:13,828 INFO L168 Benchmark]: TraceAbstraction took 2998.11 ms. Allocated memory was 194.0 MB in the beginning and 281.0 MB in the end (delta: 87.0 MB). Free memory was 93.8 MB in the beginning and 129.3 MB in the end (delta: -35.6 MB). Peak memory consumption was 52.0 MB. Max. memory is 8.0 GB. [2021-05-02 17:37:13,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from IcfgTransformer: - StatisticsResult: Jordan loop acceleration statistics 2 HavocedVariables, 0 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 194.0 MB. Free memory is still 175.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 438.40 ms. Allocated memory is still 194.0 MB. Free memory was 157.3 MB in the beginning and 168.7 MB in the end (delta: -11.5 MB). Peak memory consumption was 17.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 111.70 ms. Allocated memory is still 194.0 MB. Free memory was 168.7 MB in the beginning and 164.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 843.33 ms. Allocated memory is still 194.0 MB. Free memory was 164.5 MB in the beginning and 101.1 MB in the end (delta: 63.4 MB). Peak memory consumption was 64.0 MB. Max. memory is 8.0 GB. * IcfgTransformer took 71.40 ms. Allocated memory is still 194.0 MB. Free memory was 101.1 MB in the beginning and 94.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2998.11 ms. Allocated memory was 194.0 MB in the beginning and 281.0 MB in the end (delta: 87.0 MB). Free memory was 93.8 MB in the beginning and 129.3 MB in the end (delta: -35.6 MB). Peak memory consumption was 52.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 46]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L52] struct list_head gl_list = {& gl_list, & gl_list}; VAL [\old(gl_list)=null, \old(gl_list)=null, gl_list={6442450936:0}] [L835] struct list_head const *__cil_tmp1 ; [L836] struct list_head const *__cil_tmp2 ; VAL [gl_list={6442450936:0}] [L839] CALL gl_read() VAL [gl_list={6442450936:0}] [L676] int tmp ; [L677] int tmp___0 ; VAL [gl_list={6442450936:0}] [L680] COND TRUE 1 VAL [gl_list={6442450936:0}] [L683] tmp = __VERIFIER_nondet_int() [L684] CALL gl_insert(tmp) VAL [\old(value)=3, gl_list={6442450936:0}] [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={6442450936:0}, malloc(__cil_tmp4)={6442450932:0}, node={6442450932:0}, tmp={6442450932:0}, value=3] [L642] COND FALSE !(! node) VAL [\old(value)=3, __cil_tmp4=20, gl_list={6442450936:0}, malloc(__cil_tmp4)={6442450932:0}, node={6442450932:0}, tmp={6442450932:0}, 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=2147483636, __cil_tmp6=2147483640, __cil_tmp7={0:2147483640}, gl_list={6442450936:0}, malloc(__cil_tmp4)={6442450932:0}, node={6442450932:0}, tmp={6442450932:0}, value=3] [L653] CALL list_add(__cil_tmp7, & gl_list) VAL [gl_list={6442450936:0}, head={6442450936:0}, new={0:2147483640}] [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={6442450936:0}, new={0:2147483640}, next={6442450936:0}, prev={6442450936:0}] [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=2147483640, __cil_tmp5=2147483644, __cil_tmp6=2147483640, __cil_tmp7=2147483644, gl_list={6442450936:0}, new={0:2147483640}, new={0:2147483640}, next={6442450936:0}, next={6442450936:0}, prev={6442450936:0}, prev={6442450936:0}] [L599] RET __list_add(new, head, __cil_tmp3) VAL [__cil_tmp3={6442450936:0}, gl_list={6442450936:0}, head={6442450936:0}, head={6442450936:0}, new={0:2147483640}, new={0:2147483640}] [L653] RET list_add(__cil_tmp7, & gl_list) VAL [\old(value)=3, __cil_tmp4=20, __cil_tmp5=2147483636, __cil_tmp6=2147483640, __cil_tmp7={0:2147483640}, gl_list={6442450936:0}, malloc(__cil_tmp4)={6442450932:0}, node={6442450932:0}, tmp={6442450932:0}, value=3] [L656] COND TRUE 1 VAL [\old(value)=3, __cil_tmp4=20, __cil_tmp5=2147483636, __cil_tmp6=2147483640, __cil_tmp7={0:2147483640}, gl_list={6442450936:0}, malloc(__cil_tmp4)={6442450932:0}, node={6442450932:0}, tmp={6442450932:0}, 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=2147483636, __cil_tmp11=2147483648, __cil_tmp12=2147483636, __cil_tmp13=2147483648, __cil_tmp14=2147483636, __cil_tmp15=2147483648, __cil_tmp4=20, __cil_tmp5=2147483636, __cil_tmp6=2147483640, __cil_tmp7={0:2147483640}, __cil_tmp8=2147483636, __cil_tmp9=2147483648, gl_list={6442450936:0}, malloc(__cil_tmp4)={6442450932:0}, node={6442450932:0}, tmp={6442450932:0}, value=3] [L684] RET gl_insert(tmp) VAL [gl_list={6442450936:0}, tmp=3] [L685] tmp___0 = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp___0)) VAL [gl_list={6442450936:0}, tmp=3, tmp___0=0] [L839] RET gl_read() VAL [gl_list={6442450936:0}] [L840] __cil_tmp1 = (struct list_head const *)(& gl_list) VAL [__cil_tmp1={6442450936:0}, gl_list={6442450936:0}] [L841] CALL inspect(__cil_tmp1) VAL [gl_list={6442450936:0}, head={6442450936:0}] [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={6442450936:0}, head={6442450936:0}, head={6442450936:0}] [L179] COND TRUE 1 VAL [gl_list={6442450936:0}, head={6442450936:0}, head={6442450936:0}] [L181] COND FALSE !(! head) VAL [gl_list={6442450936:0}, head={6442450936:0}, head={6442450936:0}] [L192] COND TRUE 1 VAL [gl_list={6442450936:0}, head={6442450936:0}, head={6442450936:0}] [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=2147483640, __cil_tmp4={0:2147483640}, __cil_tmp5=2147483640, __cil_tmp6=0, gl_list={6442450936:0}, head={6442450936:0}, head={6442450936:0}] [L199] COND TRUE ! __cil_tmp6 VAL [__cil_tmp3=2147483640, __cil_tmp4={0:2147483640}, __cil_tmp5=2147483640, __cil_tmp6=0, gl_list={6442450936:0}, head={6442450936:0}, head={6442450936:0}] [L201] CALL fail() VAL [gl_list={6442450936:0}] [L46] reach_error() VAL [gl_list={6442450936:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 156 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2900.1ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 11.3ms, AutomataDifference: 1899.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 278 SDtfs, 898 SDslu, 166 SDs, 0 SdLazy, 651 SolverSat, 287 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1118.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 498.2ms 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: 62.2ms AutomataMinimizationTime, 2 MinimizatonAttempts, 58 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.9ms SsaConstructionTime, 214.0ms SatisfiabilityAnalysisTime, 386.6ms InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 230 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...