/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops/bubble_sort-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 00:16:30,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 00:16:30,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 00:16:30,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 00:16:30,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 00:16:30,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 00:16:30,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 00:16:30,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 00:16:30,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 00:16:30,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 00:16:30,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 00:16:30,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 00:16:30,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 00:16:30,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 00:16:30,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 00:16:30,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 00:16:30,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 00:16:30,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 00:16:30,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 00:16:30,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 00:16:30,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 00:16:30,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 00:16:30,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 00:16:30,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 00:16:30,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 00:16:30,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 00:16:30,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 00:16:30,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 00:16:30,316 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-24 00:16:30,328 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 00:16:30,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 00:16:30,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 00:16:30,330 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 00:16:30,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 00:16:30,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 00:16:30,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 00:16:30,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 00:16:30,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 00:16:30,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 00:16:30,332 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 00:16:30,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 00:16:30,332 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 00:16:30,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 00:16:30,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 00:16:30,333 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 00:16:30,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 00:16:30,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 00:16:30,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 00:16:30,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 00:16:30,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 00:16:30,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 00:16:30,334 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-24 00:16:30,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 00:16:30,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 00:16:30,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 00:16:30,726 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 00:16:30,727 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 00:16:30,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/bubble_sort-2.i [2021-02-24 00:16:30,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c37bd52/783ab29c8b0b4791ae036c0f4767ef86/FLAG9126ec035 [2021-02-24 00:16:31,531 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 00:16:31,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort-2.i [2021-02-24 00:16:31,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c37bd52/783ab29c8b0b4791ae036c0f4767ef86/FLAG9126ec035 [2021-02-24 00:16:31,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c37bd52/783ab29c8b0b4791ae036c0f4767ef86 [2021-02-24 00:16:31,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 00:16:31,853 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 00:16:31,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 00:16:31,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 00:16:31,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 00:16:31,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:16:31" (1/1) ... [2021-02-24 00:16:31,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503c8509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:31, skipping insertion in model container [2021-02-24 00:16:31,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:16:31" (1/1) ... [2021-02-24 00:16:31,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 00:16:31,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 00:16:32,193 WARN L226 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] [2021-02-24 00:16:32,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:16:32,354 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 00:16:32,370 WARN L226 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] [2021-02-24 00:16:32,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:16:32,488 INFO L208 MainTranslator]: Completed translation [2021-02-24 00:16:32,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:32 WrapperNode [2021-02-24 00:16:32,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 00:16:32,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 00:16:32,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 00:16:32,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 00:16:32,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:32" (1/1) ... [2021-02-24 00:16:32,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:32" (1/1) ... [2021-02-24 00:16:32,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:32" (1/1) ... [2021-02-24 00:16:32,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:32" (1/1) ... [2021-02-24 00:16:32,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:32" (1/1) ... [2021-02-24 00:16:32,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:32" (1/1) ... [2021-02-24 00:16:32,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:32" (1/1) ... [2021-02-24 00:16:32,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 00:16:32,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 00:16:32,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 00:16:32,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 00:16:32,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:32" (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 [2021-02-24 00:16:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 00:16:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 00:16:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 00:16:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-02-24 00:16:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2021-02-24 00:16:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-02-24 00:16:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2021-02-24 00:16:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-02-24 00:16:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2021-02-24 00:16:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2021-02-24 00:16:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2021-02-24 00:16:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2021-02-24 00:16:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2021-02-24 00:16:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2021-02-24 00:16:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2021-02-24 00:16:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 00:16:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 00:16:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 00:16:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-24 00:16:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-24 00:16:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 00:16:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 00:16:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 00:16:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 00:16:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 00:16:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-02-24 00:16:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2021-02-24 00:16:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 00:16:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-02-24 00:16:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 00:16:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2021-02-24 00:16:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-02-24 00:16:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2021-02-24 00:16:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2021-02-24 00:16:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 00:16:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 00:16:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2021-02-24 00:16:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2021-02-24 00:16:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 00:16:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2021-02-24 00:16:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 00:16:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2021-02-24 00:16:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2021-02-24 00:16:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 00:16:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 00:16:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 00:16:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-24 00:16:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 00:16:33,762 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint failFINAL: assume true; [2021-02-24 00:16:34,546 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 00:16:34,546 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2021-02-24 00:16:34,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:16:34 BoogieIcfgContainer [2021-02-24 00:16:34,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 00:16:34,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 00:16:34,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 00:16:34,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 00:16:34,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 12:16:31" (1/3) ... [2021-02-24 00:16:34,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4270e353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:16:34, skipping insertion in model container [2021-02-24 00:16:34,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:32" (2/3) ... [2021-02-24 00:16:34,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4270e353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:16:34, skipping insertion in model container [2021-02-24 00:16:34,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:16:34" (3/3) ... [2021-02-24 00:16:34,569 INFO L111 eAbstractionObserver]: Analyzing ICFG bubble_sort-2.i [2021-02-24 00:16:34,577 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 00:16:34,584 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 00:16:34,605 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 00:16:34,646 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 00:16:34,647 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 00:16:34,647 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-24 00:16:34,648 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 00:16:34,648 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 00:16:34,648 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 00:16:34,648 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 00:16:34,648 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 00:16:34,695 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states. [2021-02-24 00:16:34,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-02-24 00:16:34,721 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:34,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2021-02-24 00:16:34,724 INFO L428 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:34,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:34,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1330261824, now seen corresponding path program 1 times [2021-02-24 00:16:34,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:34,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674881516] [2021-02-24 00:16:34,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:35,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:35,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:35,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:35,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:35,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:35,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:35,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:35,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 00:16:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:35,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:35,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:35,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:35,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:16:35,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674881516] [2021-02-24 00:16:35,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:16:35,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 00:16:35,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053396429] [2021-02-24 00:16:35,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 00:16:35,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:35,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 00:16:35,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 00:16:35,360 INFO L87 Difference]: Start difference. First operand 580 states. Second operand 4 states. [2021-02-24 00:16:36,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:36,760 INFO L93 Difference]: Finished difference Result 1195 states and 1365 transitions. [2021-02-24 00:16:36,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-24 00:16:36,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2021-02-24 00:16:36,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:36,795 INFO L225 Difference]: With dead ends: 1195 [2021-02-24 00:16:36,795 INFO L226 Difference]: Without dead ends: 569 [2021-02-24 00:16:36,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-24 00:16:36,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2021-02-24 00:16:37,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 533. [2021-02-24 00:16:37,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2021-02-24 00:16:37,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 556 transitions. [2021-02-24 00:16:37,062 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 556 transitions. Word has length 154 [2021-02-24 00:16:37,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:37,063 INFO L480 AbstractCegarLoop]: Abstraction has 533 states and 556 transitions. [2021-02-24 00:16:37,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 00:16:37,063 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 556 transitions. [2021-02-24 00:16:37,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-02-24 00:16:37,068 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:37,068 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:16:37,068 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 00:16:37,069 INFO L428 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:37,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:37,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1540716547, now seen corresponding path program 1 times [2021-02-24 00:16:37,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:37,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1027551723] [2021-02-24 00:16:37,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:37,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:37,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:37,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:37,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:37,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:37,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:37,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:37,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:37,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:37,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:37,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:37,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:37,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:37,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:37,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:37,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 00:16:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:37,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:37,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:37,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-24 00:16:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:37,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:37,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:37,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-02-24 00:16:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:37,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:37,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:37,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-24 00:16:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:37,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:37,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:37,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:16:37,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1027551723] [2021-02-24 00:16:37,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:16:37,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-24 00:16:37,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568007530] [2021-02-24 00:16:37,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-24 00:16:37,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:37,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-24 00:16:37,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-02-24 00:16:37,764 INFO L87 Difference]: Start difference. First operand 533 states and 556 transitions. Second operand 9 states. [2021-02-24 00:16:42,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:42,536 INFO L93 Difference]: Finished difference Result 902 states and 950 transitions. [2021-02-24 00:16:42,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-24 00:16:42,537 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 226 [2021-02-24 00:16:42,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:42,550 INFO L225 Difference]: With dead ends: 902 [2021-02-24 00:16:42,550 INFO L226 Difference]: Without dead ends: 897 [2021-02-24 00:16:42,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2021-02-24 00:16:42,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2021-02-24 00:16:42,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 845. [2021-02-24 00:16:42,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2021-02-24 00:16:42,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 884 transitions. [2021-02-24 00:16:42,717 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 884 transitions. Word has length 226 [2021-02-24 00:16:42,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:42,718 INFO L480 AbstractCegarLoop]: Abstraction has 845 states and 884 transitions. [2021-02-24 00:16:42,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-24 00:16:42,718 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 884 transitions. [2021-02-24 00:16:42,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-02-24 00:16:42,726 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:42,727 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:16:42,727 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 00:16:42,727 INFO L428 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:42,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:42,728 INFO L82 PathProgramCache]: Analyzing trace with hash 684340709, now seen corresponding path program 1 times [2021-02-24 00:16:42,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:42,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1229472705] [2021-02-24 00:16:42,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 00:16:42,938 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 00:16:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 00:16:43,038 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 00:16:43,137 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-24 00:16:43,137 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-24 00:16:43,138 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 00:16:43,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 12:16:43 BoogieIcfgContainer [2021-02-24 00:16:43,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 00:16:43,283 INFO L168 Benchmark]: Toolchain (without parser) took 11441.88 ms. Allocated memory was 163.6 MB in the beginning and 280.0 MB in the end (delta: 116.4 MB). Free memory was 139.3 MB in the beginning and 224.6 MB in the end (delta: -85.3 MB). Peak memory consumption was 167.1 MB. Max. memory is 8.0 GB. [2021-02-24 00:16:43,283 INFO L168 Benchmark]: CDTParser took 0.99 ms. Allocated memory is still 163.6 MB. Free memory is still 137.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 00:16:43,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.82 ms. Allocated memory is still 163.6 MB. Free memory was 138.2 MB in the beginning and 119.4 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-02-24 00:16:43,285 INFO L168 Benchmark]: Boogie Preprocessor took 114.51 ms. Allocated memory is still 163.6 MB. Free memory was 119.2 MB in the beginning and 115.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-24 00:16:43,286 INFO L168 Benchmark]: RCFGBuilder took 1915.37 ms. Allocated memory was 163.6 MB in the beginning and 212.9 MB in the end (delta: 49.3 MB). Free memory was 146.3 MB in the beginning and 185.5 MB in the end (delta: -39.2 MB). Peak memory consumption was 95.5 MB. Max. memory is 8.0 GB. [2021-02-24 00:16:43,287 INFO L168 Benchmark]: TraceAbstraction took 8723.04 ms. Allocated memory was 212.9 MB in the beginning and 280.0 MB in the end (delta: 67.1 MB). Free memory was 185.0 MB in the beginning and 224.6 MB in the end (delta: -39.6 MB). Peak memory consumption was 163.3 MB. Max. memory is 8.0 GB. [2021-02-24 00:16:43,291 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99 ms. Allocated memory is still 163.6 MB. Free memory is still 137.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 628.82 ms. Allocated memory is still 163.6 MB. Free memory was 138.2 MB in the beginning and 119.4 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 114.51 ms. Allocated memory is still 163.6 MB. Free memory was 119.2 MB in the beginning and 115.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1915.37 ms. Allocated memory was 163.6 MB in the beginning and 212.9 MB in the end (delta: 49.3 MB). Free memory was 146.3 MB in the beginning and 185.5 MB in the end (delta: -39.2 MB). Peak memory consumption was 95.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8723.04 ms. Allocated memory was 212.9 MB in the beginning and 280.0 MB in the end (delta: 67.1 MB). Free memory was 185.0 MB in the beginning and 224.6 MB in the end (delta: -39.6 MB). Peak memory consumption was 163.3 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={4294967287:0}] [L835] struct list_head const *__cil_tmp1 ; VAL [gl_list={4294967287:0}] [L836] struct list_head const *__cil_tmp2 ; VAL [gl_list={4294967287:0}] [L839] CALL gl_read() VAL [gl_list={4294967287:0}] [L676] int tmp ; VAL [gl_list={4294967287:0}] [L677] int tmp___0 ; VAL [gl_list={4294967287:0}] [L680] COND TRUE 1 VAL [gl_list={4294967287:0}] [L683] tmp = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, gl_list={4294967287:0}, tmp=0] [L684] CALL gl_insert(tmp) VAL [\old(value)=0, gl_list={4294967287:0}] [L622] struct node *node ; VAL [\old(value)=0, gl_list={4294967287:0}, value=0] [L623] void *tmp ; VAL [\old(value)=0, gl_list={4294967287:0}, value=0] [L624] unsigned int __cil_tmp4 ; VAL [\old(value)=0, gl_list={4294967287:0}, value=0] [L625] unsigned int __cil_tmp5 ; VAL [\old(value)=0, gl_list={4294967287:0}, value=0] [L626] unsigned int __cil_tmp6 ; VAL [\old(value)=0, gl_list={4294967287:0}, value=0] [L627] struct list_head *__cil_tmp7 ; VAL [\old(value)=0, gl_list={4294967287:0}, value=0] [L628] unsigned int __cil_tmp8 ; VAL [\old(value)=0, gl_list={4294967287:0}, value=0] [L629] unsigned int __cil_tmp9 ; VAL [\old(value)=0, gl_list={4294967287:0}, value=0] [L630] unsigned int __cil_tmp10 ; VAL [\old(value)=0, gl_list={4294967287:0}, value=0] [L631] unsigned int __cil_tmp11 ; VAL [\old(value)=0, gl_list={4294967287:0}, value=0] [L632] unsigned int __cil_tmp12 ; VAL [\old(value)=0, gl_list={4294967287:0}, value=0] [L633] unsigned int __cil_tmp13 ; VAL [\old(value)=0, gl_list={4294967287:0}, value=0] [L634] unsigned int __cil_tmp14 ; VAL [\old(value)=0, gl_list={4294967287:0}, value=0] [L635] unsigned int __cil_tmp15 ; VAL [\old(value)=0, gl_list={4294967287:0}, value=0] [L638] __cil_tmp4 = (unsigned int )20UL VAL [\old(value)=0, __cil_tmp4=20, gl_list={4294967287:0}, value=0] [L639] tmp = malloc(__cil_tmp4) VAL [\old(value)=0, __cil_tmp4=20, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, tmp={4294967283:0}, value=0] [L640] node = (struct node *)tmp VAL [\old(value)=0, __cil_tmp4=20, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L642] COND FALSE !(! node) VAL [\old(value)=0, __cil_tmp4=20, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L649] *((int *)node) = value VAL [\old(value)=0, __cil_tmp4=20, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L650] __cil_tmp5 = (unsigned int )node VAL [\old(value)=0, __cil_tmp4=20, __cil_tmp5=4294967283, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L651] __cil_tmp6 = __cil_tmp5 + 4 VAL [\old(value)=0, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L652] __cil_tmp7 = (struct list_head *)__cil_tmp6 VAL [\old(value)=0, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, __cil_tmp7={0:-9}, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L653] CALL list_add(__cil_tmp7, & gl_list) VAL [gl_list={4294967287:0}, head={4294967287:0}, new={0:-9}] [L595] struct list_head *__cil_tmp3 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}, new={0:-9}, new={0:-9}] [L598] EXPR \read(*head) VAL [\read(*head)={4294967287:0}, gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}, new={0:-9}, new={0:-9}] [L598] __cil_tmp3 = *((struct list_head **)head) VAL [\read(*head)={4294967287:0}, __cil_tmp3={4294967287:0}, gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}, new={0:-9}, new={0:-9}] [L599] CALL __list_add(new, head, __cil_tmp3) VAL [gl_list={4294967287:0}, new={0:-9}, next={4294967287:0}, prev={4294967287:0}] [L567] unsigned int __cil_tmp4 ; VAL [gl_list={4294967287:0}, new={0:-9}, new={0:-9}, next={4294967287:0}, next={4294967287:0}, prev={4294967287:0}, prev={4294967287:0}] [L568] unsigned int __cil_tmp5 ; VAL [gl_list={4294967287:0}, new={0:-9}, new={0:-9}, next={4294967287:0}, next={4294967287:0}, prev={4294967287:0}, prev={4294967287:0}] [L569] unsigned int __cil_tmp6 ; VAL [gl_list={4294967287:0}, new={0:-9}, new={0:-9}, next={4294967287:0}, next={4294967287:0}, prev={4294967287:0}, prev={4294967287:0}] [L570] unsigned int __cil_tmp7 ; VAL [gl_list={4294967287:0}, new={0:-9}, new={0:-9}, next={4294967287:0}, next={4294967287:0}, prev={4294967287:0}, prev={4294967287:0}] [L572] __cil_tmp4 = (unsigned int )next VAL [__cil_tmp4=4294967287, gl_list={4294967287:0}, new={0:-9}, new={0:-9}, next={4294967287:0}, next={4294967287:0}, prev={4294967287:0}, prev={4294967287:0}] [L573] __cil_tmp5 = __cil_tmp4 + 4 VAL [__cil_tmp4=4294967287, __cil_tmp5=4294967291, gl_list={4294967287:0}, new={0:-9}, new={0:-9}, next={4294967287:0}, next={4294967287:0}, prev={4294967287:0}, prev={4294967287:0}] [L574] *((struct list_head **)__cil_tmp5) = new VAL [__cil_tmp4=4294967287, __cil_tmp5=4294967291, gl_list={4294967287:0}, new={0:-9}, new={0:-9}, next={4294967287:0}, next={4294967287:0}, prev={4294967287:0}, prev={4294967287:0}] [L575] *((struct list_head **)new) = next VAL [__cil_tmp4=4294967287, __cil_tmp5=4294967291, gl_list={4294967287:0}, new={0:-9}, new={0:-9}, next={4294967287:0}, next={4294967287:0}, prev={4294967287:0}, prev={4294967287:0}] [L576] __cil_tmp6 = (unsigned int )new VAL [__cil_tmp4=4294967287, __cil_tmp5=4294967291, __cil_tmp6=4294967287, gl_list={4294967287:0}, new={0:-9}, new={0:-9}, next={4294967287:0}, next={4294967287:0}, prev={4294967287:0}, prev={4294967287:0}] [L577] __cil_tmp7 = __cil_tmp6 + 4 VAL [__cil_tmp4=4294967287, __cil_tmp5=4294967291, __cil_tmp6=4294967287, __cil_tmp7=4294967291, gl_list={4294967287:0}, new={0:-9}, new={0:-9}, next={4294967287:0}, next={4294967287:0}, prev={4294967287:0}, prev={4294967287:0}] [L578] *((struct list_head **)__cil_tmp7) = prev VAL [__cil_tmp4=4294967287, __cil_tmp5=4294967291, __cil_tmp6=4294967287, __cil_tmp7=4294967291, gl_list={4294967287:0}, new={0:-9}, new={0:-9}, next={4294967287:0}, next={4294967287:0}, prev={4294967287:0}, prev={4294967287:0}] [L579] *((struct list_head **)prev) = new VAL [__cil_tmp4=4294967287, __cil_tmp5=4294967291, __cil_tmp6=4294967287, __cil_tmp7=4294967291, gl_list={4294967287:0}, new={0:-9}, new={0:-9}, next={4294967287:0}, next={4294967287:0}, prev={4294967287:0}, prev={4294967287:0}] [L599] RET __list_add(new, head, __cil_tmp3) VAL [__cil_tmp3={4294967287:0}, gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}, new={0:-9}, new={0:-9}] [L653] RET list_add(__cil_tmp7, & gl_list) VAL [\old(value)=0, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, __cil_tmp7={0:-9}, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L656] COND TRUE 1 VAL [\old(value)=0, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, __cil_tmp7={0:-9}, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L658] __cil_tmp8 = (unsigned int )node VAL [\old(value)=0, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, __cil_tmp7={0:-9}, __cil_tmp8=4294967283, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L659] __cil_tmp9 = __cil_tmp8 + 12 VAL [\old(value)=0, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, __cil_tmp7={0:-9}, __cil_tmp8=4294967283, __cil_tmp9=4294967295, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L660] __cil_tmp10 = (unsigned int )node VAL [\old(value)=0, __cil_tmp10=4294967283, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, __cil_tmp7={0:-9}, __cil_tmp8=4294967283, __cil_tmp9=4294967295, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L661] __cil_tmp11 = __cil_tmp10 + 12 VAL [\old(value)=0, __cil_tmp10=4294967283, __cil_tmp11=4294967295, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, __cil_tmp7={0:-9}, __cil_tmp8=4294967283, __cil_tmp9=4294967295, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L662] *((struct list_head **)__cil_tmp9) = (struct list_head *)__cil_tmp11 VAL [\old(value)=0, __cil_tmp10=4294967283, __cil_tmp11=4294967295, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, __cil_tmp7={0:-9}, __cil_tmp8=4294967283, __cil_tmp9=4294967295, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L663] __cil_tmp12 = (unsigned int )node VAL [\old(value)=0, __cil_tmp10=4294967283, __cil_tmp11=4294967295, __cil_tmp12=4294967283, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, __cil_tmp7={0:-9}, __cil_tmp8=4294967283, __cil_tmp9=4294967295, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L664] __cil_tmp13 = __cil_tmp12 + 12 VAL [\old(value)=0, __cil_tmp10=4294967283, __cil_tmp11=4294967295, __cil_tmp12=4294967283, __cil_tmp13=4294967295, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, __cil_tmp7={0:-9}, __cil_tmp8=4294967283, __cil_tmp9=4294967295, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L665] __cil_tmp14 = (unsigned int )node VAL [\old(value)=0, __cil_tmp10=4294967283, __cil_tmp11=4294967295, __cil_tmp12=4294967283, __cil_tmp13=4294967295, __cil_tmp14=4294967283, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, __cil_tmp7={0:-9}, __cil_tmp8=4294967283, __cil_tmp9=4294967295, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L666] __cil_tmp15 = __cil_tmp14 + 12 VAL [\old(value)=0, __cil_tmp10=4294967283, __cil_tmp11=4294967295, __cil_tmp12=4294967283, __cil_tmp13=4294967295, __cil_tmp14=4294967283, __cil_tmp15=4294967295, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, __cil_tmp7={0:-9}, __cil_tmp8=4294967283, __cil_tmp9=4294967295, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L667] *((struct list_head **)__cil_tmp13) = (struct list_head *)__cil_tmp15 VAL [\old(value)=0, __cil_tmp10=4294967283, __cil_tmp11=4294967295, __cil_tmp12=4294967283, __cil_tmp13=4294967295, __cil_tmp14=4294967283, __cil_tmp15=4294967295, __cil_tmp4=20, __cil_tmp5=4294967283, __cil_tmp6=4294967287, __cil_tmp7={0:-9}, __cil_tmp8=4294967283, __cil_tmp9=4294967295, gl_list={4294967287:0}, malloc(__cil_tmp4)={4294967283:0}, node={4294967283:0}, tmp={4294967283:0}, value=0] [L684] RET gl_insert(tmp) VAL [gl_list={4294967287:0}, tmp=0] [L685] tmp___0 = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, gl_list={4294967287:0}, tmp=0, tmp___0=0] [L687] COND FALSE !(\read(tmp___0)) VAL [gl_list={4294967287:0}, tmp=0, tmp___0=0] [L839] RET gl_read() VAL [gl_list={4294967287:0}] [L840] __cil_tmp1 = (struct list_head const *)(& gl_list) VAL [__cil_tmp1={4294967287:0}, gl_list={4294967287:0}] [L841] CALL inspect(__cil_tmp1) VAL [gl_list={4294967287:0}, head={4294967287:0}] [L55] struct node const *node ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L56] unsigned int __cil_tmp3 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L57] struct list_head *__cil_tmp4 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L58] unsigned int __cil_tmp5 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L59] int __cil_tmp6 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L60] unsigned int __cil_tmp7 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L61] unsigned int __cil_tmp8 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L62] unsigned int __cil_tmp9 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L63] struct list_head *__cil_tmp10 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L64] unsigned int __cil_tmp11 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L65] int __cil_tmp12 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L66] unsigned int __cil_tmp13 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L67] unsigned int __cil_tmp14 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L68] struct list_head *__cil_tmp15 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L69] unsigned int __cil_tmp16 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L70] struct list_head *__cil_tmp17 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L71] unsigned int __cil_tmp18 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L72] int __cil_tmp19 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L73] unsigned int __cil_tmp20 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L74] unsigned int __cil_tmp21 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L75] unsigned int __cil_tmp22 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L76] struct list_head *__cil_tmp23 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L77] unsigned int __cil_tmp24 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L78] int __cil_tmp25 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L79] struct node *__cil_tmp26 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L80] unsigned int __cil_tmp27 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L81] unsigned int __cil_tmp28 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L82] struct list_head *__cil_tmp29 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L83] unsigned long __cil_tmp30 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L84] char *__cil_tmp31 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L85] char *__cil_tmp32 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L86] struct node *__cil_tmp33 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L87] unsigned int __cil_tmp34 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L88] unsigned int __cil_tmp35 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L89] struct list_head const *__cil_tmp36 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L90] unsigned int __cil_tmp37 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L91] unsigned int __cil_tmp38 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L92] unsigned int __cil_tmp39 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L93] struct list_head *__cil_tmp40 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L94] unsigned int __cil_tmp41 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L95] int __cil_tmp42 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L96] unsigned int __cil_tmp43 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L97] unsigned int __cil_tmp44 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L98] struct list_head const *__cil_tmp45 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L99] unsigned int __cil_tmp46 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L100] unsigned int __cil_tmp47 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L101] unsigned int __cil_tmp48 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L102] unsigned int __cil_tmp49 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L103] struct list_head *__cil_tmp50 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L104] unsigned int __cil_tmp51 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L105] int __cil_tmp52 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L106] unsigned int __cil_tmp53 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L107] unsigned int __cil_tmp54 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L108] struct list_head const *__cil_tmp55 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L109] unsigned int __cil_tmp56 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L110] unsigned int __cil_tmp57 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L111] unsigned int __cil_tmp58 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L112] struct list_head *__cil_tmp59 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L113] unsigned int __cil_tmp60 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L114] int __cil_tmp61 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L115] unsigned int __cil_tmp62 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L116] unsigned int __cil_tmp63 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L117] struct list_head const *__cil_tmp64 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L118] unsigned int __cil_tmp65 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L119] unsigned int __cil_tmp66 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L120] unsigned int __cil_tmp67 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L121] unsigned int __cil_tmp68 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L122] struct list_head *__cil_tmp69 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L123] unsigned int __cil_tmp70 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L124] int __cil_tmp71 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L125] struct node const *__cil_tmp72 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L126] unsigned int __cil_tmp73 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L127] unsigned int __cil_tmp74 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L128] int __cil_tmp75 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L129] unsigned int __cil_tmp76 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L130] unsigned int __cil_tmp77 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L131] struct list_head const *__cil_tmp78 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L132] struct node const *__cil_tmp79 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L133] unsigned int __cil_tmp80 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L134] unsigned int __cil_tmp81 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L135] int __cil_tmp82 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L136] int const *__cil_tmp83 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L137] struct node const *__cil_tmp84 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L138] unsigned int __cil_tmp85 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L139] unsigned int __cil_tmp86 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L140] int __cil_tmp87 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L141] unsigned int __cil_tmp88 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L142] unsigned int __cil_tmp89 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L143] struct list_head *__cil_tmp90 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L144] unsigned int __cil_tmp91 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L145] unsigned int __cil_tmp92 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L146] struct list_head *__cil_tmp93 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L147] unsigned int __cil_tmp94 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L148] unsigned int __cil_tmp95 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L149] int __cil_tmp96 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L150] unsigned int __cil_tmp97 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L151] unsigned int __cil_tmp98 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L152] unsigned int __cil_tmp99 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L153] struct list_head *__cil_tmp100 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L154] struct list_head *__cil_tmp101 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L155] unsigned int __cil_tmp102 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L156] unsigned int __cil_tmp103 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L157] int __cil_tmp104 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L158] struct list_head *__cil_tmp105 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L159] unsigned int __cil_tmp106 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L160] unsigned int __cil_tmp107 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L161] unsigned int __cil_tmp108 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L162] struct list_head const *__cil_tmp109 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L163] unsigned int __cil_tmp110 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L164] struct list_head *__cil_tmp111 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L165] unsigned int __cil_tmp112 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L166] struct node *__cil_tmp113 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L167] unsigned int __cil_tmp114 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L168] unsigned int __cil_tmp115 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L169] struct list_head *__cil_tmp116 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L170] unsigned long __cil_tmp117 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L171] char *__cil_tmp118 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L172] char *__cil_tmp119 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L173] struct node *__cil_tmp120 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L174] unsigned int __cil_tmp121 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L175] int __cil_tmp122 ; VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L179] COND TRUE 1 VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L181] COND FALSE !(! head) VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L192] COND TRUE 1 VAL [gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L195] __cil_tmp3 = (unsigned int )head VAL [__cil_tmp3=4294967287, gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L196] EXPR \read(*head) VAL [\read(*head)={0:-9}, __cil_tmp3=4294967287, gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L196] __cil_tmp4 = *((struct list_head * const *)head) VAL [\read(*head)={0:-9}, __cil_tmp3=4294967287, __cil_tmp4={0:-9}, gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L197] __cil_tmp5 = (unsigned int )__cil_tmp4 VAL [__cil_tmp3=4294967287, __cil_tmp4={0:-9}, __cil_tmp5=4294967287, gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L198] __cil_tmp6 = __cil_tmp5 != __cil_tmp3 VAL [__cil_tmp3=4294967287, __cil_tmp4={0:-9}, __cil_tmp5=4294967287, __cil_tmp6=0, gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L199] COND TRUE ! __cil_tmp6 VAL [__cil_tmp3=4294967287, __cil_tmp4={0:-9}, __cil_tmp5=4294967287, __cil_tmp6=0, gl_list={4294967287:0}, head={4294967287:0}, head={4294967287:0}] [L201] CALL fail() VAL [gl_list={4294967287:0}] [L46] reach_error() VAL [gl_list={4294967287:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 16 procedures, 586 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1065 SDtfs, 4640 SDslu, 241 SDs, 0 SdLazy, 1926 SolverSat, 335 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=845occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 2 MinimizatonAttempts, 88 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 614 NumberOfCodeBlocks, 614 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 193455 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...