java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/bubble_sort_false-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8c3fbe1 [2018-10-22 15:36:00,326 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-22 15:36:00,329 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-22 15:36:00,341 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-22 15:36:00,341 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-22 15:36:00,343 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-22 15:36:00,344 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-22 15:36:00,346 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-22 15:36:00,348 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-22 15:36:00,349 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-22 15:36:00,352 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-22 15:36:00,352 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-22 15:36:00,354 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-22 15:36:00,357 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-22 15:36:00,358 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-22 15:36:00,359 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-22 15:36:00,360 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-22 15:36:00,362 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-22 15:36:00,366 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-22 15:36:00,369 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-22 15:36:00,372 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-22 15:36:00,374 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-22 15:36:00,378 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-22 15:36:00,379 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-22 15:36:00,379 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-22 15:36:00,381 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-22 15:36:00,383 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-22 15:36:00,386 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-22 15:36:00,387 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-22 15:36:00,390 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-22 15:36:00,390 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-22 15:36:00,391 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-22 15:36:00,391 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-22 15:36:00,391 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-22 15:36:00,393 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-22 15:36:00,394 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-22 15:36:00,395 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-22 15:36:00,424 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-22 15:36:00,425 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-22 15:36:00,426 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-22 15:36:00,429 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-22 15:36:00,430 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-22 15:36:00,431 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-22 15:36:00,432 INFO L133 SettingsManager]: * Use SBE=true [2018-10-22 15:36:00,432 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-22 15:36:00,432 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-22 15:36:00,432 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-22 15:36:00,432 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-22 15:36:00,433 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-22 15:36:00,433 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-22 15:36:00,433 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-22 15:36:00,433 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-22 15:36:00,433 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-22 15:36:00,435 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-22 15:36:00,435 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-22 15:36:00,435 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-22 15:36:00,436 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-22 15:36:00,436 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-22 15:36:00,436 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-22 15:36:00,436 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-22 15:36:00,437 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-22 15:36:00,437 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-22 15:36:00,437 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-22 15:36:00,437 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-22 15:36:00,438 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-22 15:36:00,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-22 15:36:00,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-22 15:36:00,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-22 15:36:00,529 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-22 15:36:00,529 INFO L276 PluginConnector]: CDTParser initialized [2018-10-22 15:36:00,530 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/bubble_sort_false-unreach-call.i [2018-10-22 15:36:00,592 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/cf74a2b02/e7dc525d7c184300a8004ec884b848e9/FLAG380ad9a0a [2018-10-22 15:36:01,092 INFO L298 CDTParser]: Found 1 translation units. [2018-10-22 15:36:01,093 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort_false-unreach-call.i [2018-10-22 15:36:01,106 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/cf74a2b02/e7dc525d7c184300a8004ec884b848e9/FLAG380ad9a0a [2018-10-22 15:36:01,121 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/cf74a2b02/e7dc525d7c184300a8004ec884b848e9 [2018-10-22 15:36:01,130 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-22 15:36:01,132 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-22 15:36:01,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-22 15:36:01,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-22 15:36:01,138 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-22 15:36:01,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:36:01" (1/1) ... [2018-10-22 15:36:01,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7582ad45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:01, skipping insertion in model container [2018-10-22 15:36:01,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:36:01" (1/1) ... [2018-10-22 15:36:01,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-22 15:36:01,216 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-22 15:36:01,683 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 15:36:01,700 INFO L189 MainTranslator]: Completed pre-run [2018-10-22 15:36:01,790 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 15:36:01,814 INFO L193 MainTranslator]: Completed translation [2018-10-22 15:36:01,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:01 WrapperNode [2018-10-22 15:36:01,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-22 15:36:01,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-22 15:36:01,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-22 15:36:01,816 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-22 15:36:01,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:01" (1/1) ... [2018-10-22 15:36:01,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:01" (1/1) ... [2018-10-22 15:36:01,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-22 15:36:01,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-22 15:36:01,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-22 15:36:01,970 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-22 15:36:01,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:01" (1/1) ... [2018-10-22 15:36:01,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:01" (1/1) ... [2018-10-22 15:36:01,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:01" (1/1) ... [2018-10-22 15:36:01,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:01" (1/1) ... [2018-10-22 15:36:02,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:01" (1/1) ... [2018-10-22 15:36:02,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:01" (1/1) ... [2018-10-22 15:36:02,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:01" (1/1) ... [2018-10-22 15:36:02,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-22 15:36:02,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-22 15:36:02,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-22 15:36:02,079 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-22 15:36:02,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-22 15:36:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-10-22 15:36:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-22 15:36:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-10-22 15:36:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2018-10-22 15:36:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-10-22 15:36:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2018-10-22 15:36:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2018-10-22 15:36:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2018-10-22 15:36:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2018-10-22 15:36:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-22 15:36:02,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-22 15:36:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2018-10-22 15:36:02,141 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2018-10-22 15:36:03,643 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-22 15:36:03,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:36:03 BoogieIcfgContainer [2018-10-22 15:36:03,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-22 15:36:03,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-22 15:36:03,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-22 15:36:03,649 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-22 15:36:03,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 03:36:01" (1/3) ... [2018-10-22 15:36:03,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367291d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:36:03, skipping insertion in model container [2018-10-22 15:36:03,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:01" (2/3) ... [2018-10-22 15:36:03,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367291d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:36:03, skipping insertion in model container [2018-10-22 15:36:03,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:36:03" (3/3) ... [2018-10-22 15:36:03,654 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_false-unreach-call.i [2018-10-22 15:36:03,667 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-22 15:36:03,681 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-22 15:36:03,702 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-22 15:36:03,746 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-22 15:36:03,747 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-22 15:36:03,747 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-22 15:36:03,748 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-22 15:36:03,748 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-22 15:36:03,748 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-22 15:36:03,748 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-22 15:36:03,748 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-22 15:36:03,749 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-22 15:36:03,778 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states. [2018-10-22 15:36:03,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-22 15:36:03,785 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:36:03,786 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:36:03,789 INFO L424 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:36:03,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:36:03,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1336106659, now seen corresponding path program 1 times [2018-10-22 15:36:03,798 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:36:03,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:36:03,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:03,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:03,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:03,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:36:03,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-22 15:36:03,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-22 15:36:03,980 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-22 15:36:03,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-22 15:36:04,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-22 15:36:04,005 INFO L87 Difference]: Start difference. First operand 210 states. Second operand 2 states. [2018-10-22 15:36:04,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:36:04,123 INFO L93 Difference]: Finished difference Result 410 states and 557 transitions. [2018-10-22 15:36:04,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-22 15:36:04,125 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-10-22 15:36:04,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:36:04,138 INFO L225 Difference]: With dead ends: 410 [2018-10-22 15:36:04,138 INFO L226 Difference]: Without dead ends: 193 [2018-10-22 15:36:04,146 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-22 15:36:04,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-10-22 15:36:04,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-10-22 15:36:04,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-10-22 15:36:04,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 216 transitions. [2018-10-22 15:36:04,210 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 216 transitions. Word has length 17 [2018-10-22 15:36:04,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:36:04,210 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 216 transitions. [2018-10-22 15:36:04,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-22 15:36:04,211 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 216 transitions. [2018-10-22 15:36:04,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-22 15:36:04,213 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:36:04,214 INFO L375 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] [2018-10-22 15:36:04,214 INFO L424 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:36:04,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:36:04,215 INFO L82 PathProgramCache]: Analyzing trace with hash -120072381, now seen corresponding path program 1 times [2018-10-22 15:36:04,215 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:36:04,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:36:04,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:04,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:04,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:04,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:36:04,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-22 15:36:04,587 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-22 15:36:04,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-22 15:36:04,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-22 15:36:04,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-22 15:36:04,590 INFO L87 Difference]: Start difference. First operand 193 states and 216 transitions. Second operand 6 states. [2018-10-22 15:36:05,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:36:05,132 INFO L93 Difference]: Finished difference Result 316 states and 355 transitions. [2018-10-22 15:36:05,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-22 15:36:05,133 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-10-22 15:36:05,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:36:05,138 INFO L225 Difference]: With dead ends: 316 [2018-10-22 15:36:05,138 INFO L226 Difference]: Without dead ends: 311 [2018-10-22 15:36:05,140 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-10-22 15:36:05,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-10-22 15:36:05,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 295. [2018-10-22 15:36:05,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-10-22 15:36:05,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 334 transitions. [2018-10-22 15:36:05,184 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 334 transitions. Word has length 43 [2018-10-22 15:36:05,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:36:05,186 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 334 transitions. [2018-10-22 15:36:05,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-22 15:36:05,186 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 334 transitions. [2018-10-22 15:36:05,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-22 15:36:05,188 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:36:05,188 INFO L375 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] [2018-10-22 15:36:05,188 INFO L424 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:36:05,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:36:05,189 INFO L82 PathProgramCache]: Analyzing trace with hash -893147218, now seen corresponding path program 1 times [2018-10-22 15:36:05,189 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:36:05,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:36:05,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:05,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:05,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-22 15:36:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-22 15:36:05,542 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-22 15:36:05,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 03:36:05 BoogieIcfgContainer [2018-10-22 15:36:05,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-22 15:36:05,674 INFO L168 Benchmark]: Toolchain (without parser) took 4542.83 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.5 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -620.6 MB). Peak memory consumption was 113.9 MB. Max. memory is 7.1 GB. [2018-10-22 15:36:05,676 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-22 15:36:05,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-22 15:36:05,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -817.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. [2018-10-22 15:36:05,678 INFO L168 Benchmark]: Boogie Preprocessor took 107.81 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2018-10-22 15:36:05,679 INFO L168 Benchmark]: RCFGBuilder took 1565.95 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 81.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2018-10-22 15:36:05,680 INFO L168 Benchmark]: TraceAbstraction took 2028.05 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. [2018-10-22 15:36:05,686 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 680.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 154.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -817.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.81 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1565.95 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 81.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2028.05 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 35]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L35] FCALL "0" VAL ["0"={4294967308:0}] [L35] FCALL "test-0180.c" VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}] [L41] FCALL struct list_head gl_list = {& gl_list, & gl_list}; VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L824] struct list_head const *__cil_tmp1 ; [L825] struct list_head const *__cil_tmp2 ; [L828] CALL gl_read() [L665] int tmp ; [L666] int tmp___0 ; VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L669] COND TRUE 1 VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L672] tmp = __VERIFIER_nondet_int() [L673] CALL gl_insert(tmp) [L611] struct node *node ; [L612] void *tmp ; [L613] unsigned int __cil_tmp4 ; [L614] unsigned int __cil_tmp5 ; [L615] unsigned int __cil_tmp6 ; [L616] struct list_head *__cil_tmp7 ; [L617] unsigned int __cil_tmp8 ; [L618] unsigned int __cil_tmp9 ; [L619] unsigned int __cil_tmp10 ; [L620] unsigned int __cil_tmp11 ; [L621] unsigned int __cil_tmp12 ; [L622] unsigned int __cil_tmp13 ; [L623] unsigned int __cil_tmp14 ; [L624] unsigned int __cil_tmp15 ; [L627] __cil_tmp4 = (unsigned int )20UL VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L628] EXPR, FCALL malloc(__cil_tmp4) VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L628] tmp = malloc(__cil_tmp4) [L629] node = (struct node *)tmp VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L631] COND FALSE !(! node) VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L638] CALL *((int *)node) = value [L638] RET *((int *)node) = value [L639] __cil_tmp5 = (unsigned int )node [L640] __cil_tmp6 = __cil_tmp5 + 4 [L641] __cil_tmp7 = (struct list_head *)__cil_tmp6 VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L642] CALL list_add(__cil_tmp7, & gl_list) VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L584] struct list_head *__cil_tmp3 ; VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L587] EXPR, FCALL \read(*head) VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L587] __cil_tmp3 = *((struct list_head **)head) [L588] CALL __list_add(new, head, __cil_tmp3) [L556] unsigned int __cil_tmp4 ; [L557] unsigned int __cil_tmp5 ; [L558] unsigned int __cil_tmp6 ; [L559] unsigned int __cil_tmp7 ; [L561] __cil_tmp4 = (unsigned int )next [L562] __cil_tmp5 = __cil_tmp4 + 4 VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L563] FCALL *((struct list_head **)__cil_tmp5) = new VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L564] FCALL *((struct list_head **)new) = next VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L565] __cil_tmp6 = (unsigned int )new [L566] __cil_tmp7 = __cil_tmp6 + 4 VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L567] FCALL *((struct list_head **)__cil_tmp7) = prev VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L568] RET, FCALL *((struct list_head **)prev) = new VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L588] RET __list_add(new, head, __cil_tmp3) [L642] list_add(__cil_tmp7, & gl_list) VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L645] COND TRUE 1 VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L647] __cil_tmp8 = (unsigned int )node [L648] __cil_tmp9 = __cil_tmp8 + 12 [L649] __cil_tmp10 = (unsigned int )node [L650] __cil_tmp11 = __cil_tmp10 + 12 VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L651] FCALL *((struct list_head **)__cil_tmp9) = (struct list_head *)__cil_tmp11 VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L652] __cil_tmp12 = (unsigned int )node [L653] __cil_tmp13 = __cil_tmp12 + 12 [L654] __cil_tmp14 = (unsigned int )node [L655] __cil_tmp15 = __cil_tmp14 + 12 VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L656] RET, FCALL *((struct list_head **)__cil_tmp13) = (struct list_head *)__cil_tmp15 VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L673] gl_insert(tmp) [L674] tmp___0 = __VERIFIER_nondet_int() [L676] COND FALSE, RET !(\read(tmp___0)) VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L828] gl_read() [L829] __cil_tmp1 = (struct list_head const *)(& gl_list) VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L830] CALL inspect(__cil_tmp1) VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}, head={4294967307:0}] [L44] struct node const *node ; [L45] unsigned int __cil_tmp3 ; [L46] struct list_head *__cil_tmp4 ; [L47] unsigned int __cil_tmp5 ; [L48] int __cil_tmp6 ; [L49] unsigned int __cil_tmp7 ; [L50] unsigned int __cil_tmp8 ; [L51] unsigned int __cil_tmp9 ; [L52] struct list_head *__cil_tmp10 ; [L53] unsigned int __cil_tmp11 ; [L54] int __cil_tmp12 ; [L55] unsigned int __cil_tmp13 ; [L56] unsigned int __cil_tmp14 ; [L57] struct list_head *__cil_tmp15 ; [L58] unsigned int __cil_tmp16 ; [L59] struct list_head *__cil_tmp17 ; [L60] unsigned int __cil_tmp18 ; [L61] int __cil_tmp19 ; [L62] unsigned int __cil_tmp20 ; [L63] unsigned int __cil_tmp21 ; [L64] unsigned int __cil_tmp22 ; [L65] struct list_head *__cil_tmp23 ; [L66] unsigned int __cil_tmp24 ; [L67] int __cil_tmp25 ; [L68] struct node *__cil_tmp26 ; [L69] unsigned int __cil_tmp27 ; [L70] unsigned int __cil_tmp28 ; [L71] struct list_head *__cil_tmp29 ; [L72] unsigned long __cil_tmp30 ; [L73] char *__cil_tmp31 ; [L74] char *__cil_tmp32 ; [L75] struct node *__cil_tmp33 ; [L76] unsigned int __cil_tmp34 ; [L77] unsigned int __cil_tmp35 ; [L78] struct list_head const *__cil_tmp36 ; [L79] unsigned int __cil_tmp37 ; [L80] unsigned int __cil_tmp38 ; [L81] unsigned int __cil_tmp39 ; [L82] struct list_head *__cil_tmp40 ; [L83] unsigned int __cil_tmp41 ; [L84] int __cil_tmp42 ; [L85] unsigned int __cil_tmp43 ; [L86] unsigned int __cil_tmp44 ; [L87] struct list_head const *__cil_tmp45 ; [L88] unsigned int __cil_tmp46 ; [L89] unsigned int __cil_tmp47 ; [L90] unsigned int __cil_tmp48 ; [L91] unsigned int __cil_tmp49 ; [L92] struct list_head *__cil_tmp50 ; [L93] unsigned int __cil_tmp51 ; [L94] int __cil_tmp52 ; [L95] unsigned int __cil_tmp53 ; [L96] unsigned int __cil_tmp54 ; [L97] struct list_head const *__cil_tmp55 ; [L98] unsigned int __cil_tmp56 ; [L99] unsigned int __cil_tmp57 ; [L100] unsigned int __cil_tmp58 ; [L101] struct list_head *__cil_tmp59 ; [L102] unsigned int __cil_tmp60 ; [L103] int __cil_tmp61 ; [L104] unsigned int __cil_tmp62 ; [L105] unsigned int __cil_tmp63 ; [L106] struct list_head const *__cil_tmp64 ; [L107] unsigned int __cil_tmp65 ; [L108] unsigned int __cil_tmp66 ; [L109] unsigned int __cil_tmp67 ; [L110] unsigned int __cil_tmp68 ; [L111] struct list_head *__cil_tmp69 ; [L112] unsigned int __cil_tmp70 ; [L113] int __cil_tmp71 ; [L114] struct node const *__cil_tmp72 ; [L115] unsigned int __cil_tmp73 ; [L116] unsigned int __cil_tmp74 ; [L117] int __cil_tmp75 ; [L118] unsigned int __cil_tmp76 ; [L119] unsigned int __cil_tmp77 ; [L120] struct list_head const *__cil_tmp78 ; [L121] struct node const *__cil_tmp79 ; [L122] unsigned int __cil_tmp80 ; [L123] unsigned int __cil_tmp81 ; [L124] int __cil_tmp82 ; [L125] int const *__cil_tmp83 ; [L126] struct node const *__cil_tmp84 ; [L127] unsigned int __cil_tmp85 ; [L128] unsigned int __cil_tmp86 ; [L129] int __cil_tmp87 ; [L130] unsigned int __cil_tmp88 ; [L131] unsigned int __cil_tmp89 ; [L132] struct list_head *__cil_tmp90 ; [L133] unsigned int __cil_tmp91 ; [L134] unsigned int __cil_tmp92 ; [L135] struct list_head *__cil_tmp93 ; [L136] unsigned int __cil_tmp94 ; [L137] unsigned int __cil_tmp95 ; [L138] int __cil_tmp96 ; [L139] unsigned int __cil_tmp97 ; [L140] unsigned int __cil_tmp98 ; [L141] unsigned int __cil_tmp99 ; [L142] struct list_head *__cil_tmp100 ; [L143] struct list_head *__cil_tmp101 ; [L144] unsigned int __cil_tmp102 ; [L145] unsigned int __cil_tmp103 ; [L146] int __cil_tmp104 ; [L147] struct list_head *__cil_tmp105 ; [L148] unsigned int __cil_tmp106 ; [L149] unsigned int __cil_tmp107 ; [L150] unsigned int __cil_tmp108 ; [L151] struct list_head const *__cil_tmp109 ; [L152] unsigned int __cil_tmp110 ; [L153] struct list_head *__cil_tmp111 ; [L154] unsigned int __cil_tmp112 ; [L155] struct node *__cil_tmp113 ; [L156] unsigned int __cil_tmp114 ; [L157] unsigned int __cil_tmp115 ; [L158] struct list_head *__cil_tmp116 ; [L159] unsigned long __cil_tmp117 ; [L160] char *__cil_tmp118 ; [L161] char *__cil_tmp119 ; [L162] struct node *__cil_tmp120 ; [L163] unsigned int __cil_tmp121 ; [L164] int __cil_tmp122 ; VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}, head={4294967307:0}, head={4294967307:0}] [L168] COND TRUE 1 VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}, head={4294967307:0}, head={4294967307:0}] [L170] COND FALSE !(! head) VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}, head={4294967307:0}, head={4294967307:0}] [L181] COND TRUE 1 VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}, head={4294967307:0}, head={4294967307:0}] [L184] __cil_tmp3 = (unsigned int )head VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, __cil_tmp3=11, gl_list={4294967307:0}, head={4294967307:0}, head={4294967307:0}] [L185] EXPR, FCALL \read(*head) VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, \read(*head)={0:11}, __cil_tmp3=11, gl_list={4294967307:0}, head={4294967307:0}, head={4294967307:0}] [L185] __cil_tmp4 = *((struct list_head * const *)head) [L186] __cil_tmp5 = (unsigned int )__cil_tmp4 [L187] __cil_tmp6 = __cil_tmp5 != __cil_tmp3 VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, __cil_tmp3=11, __cil_tmp4={0:11}, __cil_tmp5=11, __cil_tmp6=0, gl_list={4294967307:0}, head={4294967307:0}, head={4294967307:0}] [L188] COND TRUE ! __cil_tmp6 VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, __cil_tmp3=11, __cil_tmp4={0:11}, __cil_tmp5=11, __cil_tmp6=0, gl_list={4294967307:0}, head={4294967307:0}, head={4294967307:0}] [L190] CALL fail() VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] [L35] __VERIFIER_error() VAL ["0"={4294967308:0}, "test-0180.c"={4294967309:0}, gl_list={4294967307:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 212 locations, 1 error locations. UNSAFE Result, 1.9s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 432 SDtfs, 472 SDslu, 563 SDs, 0 SdLazy, 70 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=295occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 5170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...