/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-6253b08 [2021-05-06 05:22:36,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-06 05:22:36,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-06 05:22:36,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-06 05:22:36,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-06 05:22:36,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-06 05:22:36,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-06 05:22:36,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-06 05:22:36,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-06 05:22:36,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-06 05:22:36,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-06 05:22:36,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-06 05:22:36,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-06 05:22:36,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-06 05:22:36,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-06 05:22:36,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-06 05:22:36,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-06 05:22:36,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-06 05:22:36,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-06 05:22:36,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-06 05:22:36,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-06 05:22:36,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-06 05:22:36,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-06 05:22:36,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-06 05:22:36,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-06 05:22:36,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-06 05:22:36,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-06 05:22:36,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-06 05:22:36,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-06 05:22:36,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-06 05:22:36,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-06 05:22:36,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-06 05:22:36,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-06 05:22:36,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-06 05:22:36,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-06 05:22:36,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-06 05:22:36,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-06 05:22:36,359 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-06 05:22:36,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-06 05:22:36,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-06 05:22:36,362 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-06 05:22:36,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-06 05:22:36,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-06 05:22:36,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-06 05:22:36,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-06 05:22:36,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-06 05:22:36,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-06 05:22:36,363 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-06 05:22:36,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-06 05:22:36,364 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-06 05:22:36,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-06 05:22:36,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-06 05:22:36,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-06 05:22:36,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-06 05:22:36,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-06 05:22:36,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-06 05:22:36,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-06 05:22:36,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-06 05:22:36,366 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-06 05:22:36,366 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-06 05:22:36,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-06 05:22:36,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-06 05:22:36,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-06 05:22:36,729 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-06 05:22:36,730 INFO L275 PluginConnector]: CDTParser initialized [2021-05-06 05:22:36,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/bubble_sort-2.i [2021-05-06 05:22:36,792 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b34d3c895/d290f54e7d7843f5b5da32b765d92c54/FLAGe54ccaea6 [2021-05-06 05:22:37,433 INFO L306 CDTParser]: Found 1 translation units. [2021-05-06 05:22:37,436 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort-2.i [2021-05-06 05:22:37,454 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b34d3c895/d290f54e7d7843f5b5da32b765d92c54/FLAGe54ccaea6 [2021-05-06 05:22:37,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b34d3c895/d290f54e7d7843f5b5da32b765d92c54 [2021-05-06 05:22:37,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-06 05:22:37,649 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-06 05:22:37,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-06 05:22:37,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-06 05:22:37,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-06 05:22:37,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 05:22:37" (1/1) ... [2021-05-06 05:22:37,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d6e5f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:22:37, skipping insertion in model container [2021-05-06 05:22:37,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 05:22:37" (1/1) ... [2021-05-06 05:22:37,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-06 05:22:37,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-06 05:22:37,865 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] [2021-05-06 05:22:38,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 05:22:38,041 INFO L203 MainTranslator]: Completed pre-run [2021-05-06 05:22:38,065 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] [2021-05-06 05:22:38,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 05:22:38,156 INFO L208 MainTranslator]: Completed translation [2021-05-06 05:22:38,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:22:38 WrapperNode [2021-05-06 05:22:38,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-06 05:22:38,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-06 05:22:38,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-06 05:22:38,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-06 05:22:38,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:22:38" (1/1) ... [2021-05-06 05:22:38,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:22:38" (1/1) ... [2021-05-06 05:22:38,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:22:38" (1/1) ... [2021-05-06 05:22:38,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:22:38" (1/1) ... [2021-05-06 05:22:38,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:22:38" (1/1) ... [2021-05-06 05:22:38,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:22:38" (1/1) ... [2021-05-06 05:22:38,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:22:38" (1/1) ... [2021-05-06 05:22:38,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-06 05:22:38,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-06 05:22:38,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-06 05:22:38,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-06 05:22:38,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:22:38" (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 [2021-05-06 05:22:38,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-06 05:22:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-06 05:22:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-06 05:22:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-05-06 05:22:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2021-05-06 05:22:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-05-06 05:22:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2021-05-06 05:22:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-05-06 05:22:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2021-05-06 05:22:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2021-05-06 05:22:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2021-05-06 05:22:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2021-05-06 05:22:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2021-05-06 05:22:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2021-05-06 05:22:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2021-05-06 05:22:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-06 05:22:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-06 05:22:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-06 05:22:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-05-06 05:22:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-05-06 05:22:38,343 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-06 05:22:38,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-06 05:22:38,343 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-05-06 05:22:38,343 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-05-06 05:22:38,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-06 05:22:38,344 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-05-06 05:22:38,344 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2021-05-06 05:22:38,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-05-06 05:22:38,344 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-05-06 05:22:38,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-05-06 05:22:38,344 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2021-05-06 05:22:38,344 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-05-06 05:22:38,344 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2021-05-06 05:22:38,344 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2021-05-06 05:22:38,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-05-06 05:22:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-06 05:22:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2021-05-06 05:22:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2021-05-06 05:22:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-06 05:22:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2021-05-06 05:22:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-06 05:22:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2021-05-06 05:22:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2021-05-06 05:22:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-06 05:22:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-06 05:22:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-06 05:22:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-05-06 05:22:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-06 05:22:38,751 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint failFINAL: assume true; [2021-05-06 05:22:38,991 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-06 05:22:38,991 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2021-05-06 05:22:38,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 05:22:38 BoogieIcfgContainer [2021-05-06 05:22:38,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-06 05:22:38,994 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-06 05:22:38,994 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-06 05:22:38,995 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-06 05:22:38,997 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 05:22:38" (1/1) ... [2021-05-06 05:22:39,032 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 05:22:39,044 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-06 05:22:39,056 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 2 HavocedVariables, 0 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 05:22:39,056 INFO L91 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] to 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] [2021-05-06 05:22:39,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.05 05:22:39 BasicIcfg [2021-05-06 05:22:39,080 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-06 05:22:39,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-06 05:22:39,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-06 05:22:39,084 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-06 05:22:39,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 05:22:37" (1/4) ... [2021-05-06 05:22:39,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ecc3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 05:22:39, skipping insertion in model container [2021-05-06 05:22:39,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:22:38" (2/4) ... [2021-05-06 05:22:39,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ecc3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 05:22:39, skipping insertion in model container [2021-05-06 05:22:39,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 05:22:38" (3/4) ... [2021-05-06 05:22:39,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ecc3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 05:22:39, skipping insertion in model container [2021-05-06 05:22:39,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.05 05:22:39" (4/4) ... [2021-05-06 05:22:39,088 INFO L111 eAbstractionObserver]: Analyzing ICFG bubble_sort-2.iJordan [2021-05-06 05:22:39,093 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-06 05:22:39,097 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-06 05:22:39,110 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-06 05:22:39,129 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-06 05:22:39,130 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-06 05:22:39,130 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-06 05:22:39,130 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-06 05:22:39,130 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-06 05:22:39,130 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-06 05:22:39,130 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-06 05:22:39,130 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-06 05:22:39,146 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) [2021-05-06 05:22:39,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-05-06 05:22:39,154 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 05:22:39,154 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 05:22:39,155 INFO L428 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 05:22:39,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 05:22:39,160 INFO L82 PathProgramCache]: Analyzing trace with hash 626291817, now seen corresponding path program 1 times [2021-05-06 05:22:39,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 05:22:39,167 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288928591] [2021-05-06 05:22:39,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 05:22:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 05:22:39,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 05:22:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 05:22:39,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-06 05:22:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 05:22:39,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 05:22:39,429 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 05:22:39,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288928591] [2021-05-06 05:22:39,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288928591] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 05:22:39,430 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 05:22:39,430 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-06 05:22:39,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251293866] [2021-05-06 05:22:39,435 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-06 05:22:39,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 05:22:39,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-06 05:22:39,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-06 05:22:39,450 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) [2021-05-06 05:22:39,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 05:22:39,956 INFO L93 Difference]: Finished difference Result 183 states and 218 transitions. [2021-05-06 05:22:39,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-06 05:22:39,958 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 [2021-05-06 05:22:39,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 05:22:39,970 INFO L225 Difference]: With dead ends: 183 [2021-05-06 05:22:39,970 INFO L226 Difference]: Without dead ends: 164 [2021-05-06 05:22:39,971 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 86.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-06 05:22:39,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-05-06 05:22:40,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 143. [2021-05-06 05:22:40,019 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) [2021-05-06 05:22:40,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2021-05-06 05:22:40,028 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 18 [2021-05-06 05:22:40,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 05:22:40,029 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2021-05-06 05:22:40,029 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) [2021-05-06 05:22:40,029 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2021-05-06 05:22:40,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-05-06 05:22:40,031 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 05:22:40,031 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] [2021-05-06 05:22:40,031 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-06 05:22:40,031 INFO L428 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 05:22:40,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 05:22:40,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1647321823, now seen corresponding path program 1 times [2021-05-06 05:22:40,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 05:22:40,032 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635772838] [2021-05-06 05:22:40,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 05:22:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 05:22:40,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 05:22:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 05:22:40,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-06 05:22:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 05:22:40,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-05-06 05:22:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 05:22:40,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-05-06 05:22:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 05:22:40,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-05-06 05:22:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 05:22:40,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 05:22:40,403 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 05:22:40,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635772838] [2021-05-06 05:22:40,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635772838] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 05:22:40,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 05:22:40,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-05-06 05:22:40,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896452154] [2021-05-06 05:22:40,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-06 05:22:40,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 05:22:40,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-06 05:22:40,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-05-06 05:22:40,406 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) [2021-05-06 05:22:41,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 05:22:41,725 INFO L93 Difference]: Finished difference Result 238 states and 287 transitions. [2021-05-06 05:22:41,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-06 05:22:41,725 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 [2021-05-06 05:22:41,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 05:22:41,727 INFO L225 Difference]: With dead ends: 238 [2021-05-06 05:22:41,727 INFO L226 Difference]: Without dead ends: 236 [2021-05-06 05:22:41,728 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 337.0ms TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2021-05-06 05:22:41,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-05-06 05:22:41,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 199. [2021-05-06 05:22:41,739 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) [2021-05-06 05:22:41,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 239 transitions. [2021-05-06 05:22:41,740 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 239 transitions. Word has length 37 [2021-05-06 05:22:41,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 05:22:41,740 INFO L480 AbstractCegarLoop]: Abstraction has 199 states and 239 transitions. [2021-05-06 05:22:41,740 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) [2021-05-06 05:22:41,740 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 239 transitions. [2021-05-06 05:22:41,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-05-06 05:22:41,741 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 05:22:41,741 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] [2021-05-06 05:22:41,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-06 05:22:41,742 INFO L428 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 05:22:41,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 05:22:41,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1085880763, now seen corresponding path program 1 times [2021-05-06 05:22:41,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 05:22:41,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927472762] [2021-05-06 05:22:41,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 05:22:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-06 05:22:41,913 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-06 05:22:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-06 05:22:42,040 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-06 05:22:42,081 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-06 05:22:42,081 INFO L624 BasicCegarLoop]: Counterexample might be feasible [2021-05-06 05:22:42,081 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-06 05:22:42,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 05:22:42 BasicIcfg [2021-05-06 05:22:42,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-06 05:22:42,137 INFO L168 Benchmark]: Toolchain (without parser) took 4487.88 ms. Allocated memory was 201.3 MB in the beginning and 250.6 MB in the end (delta: 49.3 MB). Free memory was 165.9 MB in the beginning and 129.3 MB in the end (delta: 36.6 MB). Peak memory consumption was 85.9 MB. Max. memory is 8.0 GB. [2021-05-06 05:22:42,137 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 201.3 MB. Free memory is still 183.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-06 05:22:42,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 505.49 ms. Allocated memory is still 201.3 MB. Free memory was 165.7 MB in the beginning and 176.0 MB in the end (delta: -10.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-05-06 05:22:42,138 INFO L168 Benchmark]: Boogie Preprocessor took 106.13 ms. Allocated memory is still 201.3 MB. Free memory was 176.0 MB in the beginning and 172.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-05-06 05:22:42,139 INFO L168 Benchmark]: RCFGBuilder took 728.78 ms. Allocated memory is still 201.3 MB. Free memory was 172.3 MB in the beginning and 108.3 MB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 8.0 GB. [2021-05-06 05:22:42,139 INFO L168 Benchmark]: IcfgTransformer took 86.04 ms. Allocated memory is still 201.3 MB. Free memory was 108.3 MB in the beginning and 101.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2021-05-06 05:22:42,140 INFO L168 Benchmark]: TraceAbstraction took 3054.94 ms. Allocated memory was 201.3 MB in the beginning and 250.6 MB in the end (delta: 49.3 MB). Free memory was 101.0 MB in the beginning and 129.3 MB in the end (delta: -28.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 8.0 GB. [2021-05-06 05:22:42,142 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 201.3 MB. Free memory is still 183.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 505.49 ms. Allocated memory is still 201.3 MB. Free memory was 165.7 MB in the beginning and 176.0 MB in the end (delta: -10.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 106.13 ms. Allocated memory is still 201.3 MB. Free memory was 176.0 MB in the beginning and 172.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 728.78 ms. Allocated memory is still 201.3 MB. Free memory was 172.3 MB in the beginning and 108.3 MB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 8.0 GB. * IcfgTransformer took 86.04 ms. Allocated memory is still 201.3 MB. Free memory was 108.3 MB in the beginning and 101.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3054.94 ms. Allocated memory was 201.3 MB in the beginning and 250.6 MB in the end (delta: 49.3 MB). Free memory was 101.0 MB in the beginning and 129.3 MB in the end (delta: -28.3 MB). Peak memory consumption was 22.6 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: 2954.8ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 14.3ms, AutomataDifference: 1857.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 278 SDtfs, 898 SDslu, 166 SDs, 0 SdLazy, 651 SolverSat, 287 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1169.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 423.2ms 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: 58.1ms AutomataMinimizationTime, 2 MinimizatonAttempts, 58 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 23.0ms SsaConstructionTime, 286.5ms SatisfiabilityAnalysisTime, 426.6ms 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...