java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/ldv-memsafety-bitfields/test-bitfields-1_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 14:24:05,610 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 14:24:05,611 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 14:24:05,622 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 14:24:05,622 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 14:24:05,623 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 14:24:05,624 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 14:24:05,625 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 14:24:05,627 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 14:24:05,628 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 14:24:05,629 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 14:24:05,629 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 14:24:05,630 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 14:24:05,630 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 14:24:05,631 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 14:24:05,633 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 14:24:05,634 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 14:24:05,636 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 14:24:05,637 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 14:24:05,638 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 14:24:05,640 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 14:24:05,640 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 14:24:05,640 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 14:24:05,641 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 14:24:05,642 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 14:24:05,643 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 14:24:05,643 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 14:24:05,643 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 14:24:05,644 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 14:24:05,644 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 14:24:05,645 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 14:24:05,645 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-11 14:24:05,665 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 14:24:05,665 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 14:24:05,666 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 14:24:05,666 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 14:24:05,666 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 14:24:05,666 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 14:24:05,666 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 14:24:05,666 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 14:24:05,667 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 14:24:05,667 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 14:24:05,667 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 14:24:05,667 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 14:24:05,667 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 14:24:05,667 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 14:24:05,667 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 14:24:05,667 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 14:24:05,667 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 14:24:05,667 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 14:24:05,667 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 14:24:05,668 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 14:24:05,668 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 14:24:05,668 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 14:24:05,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 14:24:05,704 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 14:24:05,706 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 14:24:05,708 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 14:24:05,708 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 14:24:05,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety-bitfields/test-bitfields-1_false-valid-deref.i [2018-04-11 14:24:06,048 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG9ed0b4e99 [2018-04-11 14:24:06,131 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 14:24:06,131 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 14:24:06,132 INFO L168 CDTParser]: Scanning test-bitfields-1_false-valid-deref.i [2018-04-11 14:24:06,133 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 14:24:06,133 INFO L215 ultiparseSymbolTable]: [2018-04-11 14:24:06,133 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 14:24:06,133 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-bitfields-1_false-valid-deref.i [2018-04-11 14:24:06,133 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 14:24:06,133 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_bitfields___false_valid_deref_i__size_t in test-bitfields-1_false-valid-deref.i [2018-04-11 14:24:06,145 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG9ed0b4e99 [2018-04-11 14:24:06,148 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 14:24:06,150 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 14:24:06,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 14:24:06,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 14:24:06,154 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 14:24:06,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 02:24:06" (1/1) ... [2018-04-11 14:24:06,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14352530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:24:06, skipping insertion in model container [2018-04-11 14:24:06,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 02:24:06" (1/1) ... [2018-04-11 14:24:06,166 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 14:24:06,173 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 14:24:06,258 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 14:24:06,276 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 14:24:06,279 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 11 non ball SCCs. Number of states in SCCs 11. [2018-04-11 14:24:06,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:24:06 WrapperNode [2018-04-11 14:24:06,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 14:24:06,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 14:24:06,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 14:24:06,288 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 14:24:06,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:24:06" (1/1) ... [2018-04-11 14:24:06,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:24:06" (1/1) ... [2018-04-11 14:24:06,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:24:06" (1/1) ... [2018-04-11 14:24:06,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:24:06" (1/1) ... [2018-04-11 14:24:06,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:24:06" (1/1) ... [2018-04-11 14:24:06,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:24:06" (1/1) ... [2018-04-11 14:24:06,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:24:06" (1/1) ... [2018-04-11 14:24:06,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 14:24:06,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 14:24:06,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 14:24:06,313 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 14:24:06,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:24:06" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-04-11 14:24:06,346 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 14:24:06,346 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 14:24:06,347 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 14:24:06,347 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-04-11 14:24:06,347 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 14:24:06,347 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 14:24:06,347 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 14:24:06,347 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 14:24:06,347 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 14:24:06,347 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 14:24:06,347 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 14:24:06,347 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 14:24:06,347 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 14:24:06,347 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 14:24:06,583 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 14:24:06,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 02:24:06 BoogieIcfgContainer [2018-04-11 14:24:06,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 14:24:06,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 14:24:06,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 14:24:06,587 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 14:24:06,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 02:24:06" (1/3) ... [2018-04-11 14:24:06,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5667f4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 02:24:06, skipping insertion in model container [2018-04-11 14:24:06,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:24:06" (2/3) ... [2018-04-11 14:24:06,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5667f4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 02:24:06, skipping insertion in model container [2018-04-11 14:24:06,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 02:24:06" (3/3) ... [2018-04-11 14:24:06,590 INFO L107 eAbstractionObserver]: Analyzing ICFG test-bitfields-1_false-valid-deref.i [2018-04-11 14:24:06,595 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 14:24:06,601 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 27 error locations. [2018-04-11 14:24:06,625 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 14:24:06,625 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 14:24:06,626 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 14:24:06,626 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-11 14:24:06,626 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 14:24:06,626 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 14:24:06,626 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 14:24:06,626 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 14:24:06,626 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 14:24:06,627 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 14:24:06,639 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2018-04-11 14:24:06,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-11 14:24:06,647 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:24:06,648 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:24:06,648 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr10AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr4AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 14:24:06,652 INFO L82 PathProgramCache]: Analyzing trace with hash -815339273, now seen corresponding path program 1 times [2018-04-11 14:24:06,684 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:24:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:24:06,714 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:24:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:24:06,767 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:24:06,767 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 14:24:06,768 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:24:06,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:24:06,768 INFO L182 omatonBuilderFactory]: Interpolants [69#true, 70#false, 71#(= 1 (select |#valid| |main_#t~malloc0.base|)), 72#(= 1 (select |#valid| main_~p~0.base))] [2018-04-11 14:24:06,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:24:06,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 14:24:06,781 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 14:24:06,782 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 14:24:06,783 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 4 states. [2018-04-11 14:24:06,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:24:06,943 INFO L93 Difference]: Finished difference Result 96 states and 102 transitions. [2018-04-11 14:24:06,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 14:24:06,945 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-04-11 14:24:06,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:24:06,952 INFO L225 Difference]: With dead ends: 96 [2018-04-11 14:24:06,952 INFO L226 Difference]: Without dead ends: 93 [2018-04-11 14:24:06,954 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 14:24:06,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-04-11 14:24:06,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 59. [2018-04-11 14:24:06,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-11 14:24:06,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2018-04-11 14:24:06,981 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 9 [2018-04-11 14:24:06,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:24:06,981 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2018-04-11 14:24:06,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 14:24:06,981 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2018-04-11 14:24:06,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-11 14:24:06,981 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:24:06,981 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:24:06,982 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr10AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr4AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 14:24:06,982 INFO L82 PathProgramCache]: Analyzing trace with hash -815339272, now seen corresponding path program 1 times [2018-04-11 14:24:06,982 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:24:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:24:06,996 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:24:07,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:24:07,035 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:24:07,035 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 14:24:07,035 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:24:07,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:24:07,036 INFO L182 omatonBuilderFactory]: Interpolants [230#true, 231#false, 232#(and (= 2 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 233#(and (= 2 (select |#length| main_~p~0.base)) (= main_~p~0.offset 0))] [2018-04-11 14:24:07,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:24:07,037 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 14:24:07,037 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 14:24:07,037 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 14:24:07,037 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. Second operand 4 states. [2018-04-11 14:24:07,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:24:07,072 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2018-04-11 14:24:07,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 14:24:07,072 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-04-11 14:24:07,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:24:07,073 INFO L225 Difference]: With dead ends: 26 [2018-04-11 14:24:07,073 INFO L226 Difference]: Without dead ends: 26 [2018-04-11 14:24:07,073 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 14:24:07,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-04-11 14:24:07,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-04-11 14:24:07,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-04-11 14:24:07,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2018-04-11 14:24:07,076 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 9 [2018-04-11 14:24:07,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:24:07,076 INFO L459 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2018-04-11 14:24:07,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 14:24:07,076 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-04-11 14:24:07,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 14:24:07,077 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:24:07,077 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:24:07,077 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr10AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr4AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 14:24:07,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1182458942, now seen corresponding path program 1 times [2018-04-11 14:24:07,078 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:24:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:24:07,092 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:24:07,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:24:07,123 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:24:07,123 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 14:24:07,123 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:24:07,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:24:07,124 INFO L182 omatonBuilderFactory]: Interpolants [288#true, 289#false, 290#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 291#(= |main_#t~mem1| 1)] [2018-04-11 14:24:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:24:07,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 14:24:07,124 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 14:24:07,124 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 14:24:07,125 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 4 states. [2018-04-11 14:24:07,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:24:07,149 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-04-11 14:24:07,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 14:24:07,149 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-04-11 14:24:07,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:24:07,150 INFO L225 Difference]: With dead ends: 21 [2018-04-11 14:24:07,150 INFO L226 Difference]: Without dead ends: 21 [2018-04-11 14:24:07,151 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 14:24:07,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-04-11 14:24:07,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-04-11 14:24:07,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-04-11 14:24:07,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-04-11 14:24:07,153 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2018-04-11 14:24:07,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:24:07,153 INFO L459 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-04-11 14:24:07,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 14:24:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-04-11 14:24:07,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 14:24:07,154 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:24:07,154 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:24:07,154 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr10AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr4AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 14:24:07,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1175777463, now seen corresponding path program 1 times [2018-04-11 14:24:07,155 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:24:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 14:24:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 14:24:07,191 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 14:24:07,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 02:24:07 BoogieIcfgContainer [2018-04-11 14:24:07,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 14:24:07,204 INFO L168 Benchmark]: Toolchain (without parser) took 1055.16 ms. Allocated memory was 391.6 MB in the beginning and 595.6 MB in the end (delta: 203.9 MB). Free memory was 330.7 MB in the beginning and 484.0 MB in the end (delta: -153.3 MB). Peak memory consumption was 50.6 MB. Max. memory is 5.3 GB. [2018-04-11 14:24:07,205 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 391.6 MB. Free memory is still 351.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 14:24:07,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 136.81 ms. Allocated memory is still 391.6 MB. Free memory was 330.1 MB in the beginning and 319.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-04-11 14:24:07,206 INFO L168 Benchmark]: Boogie Preprocessor took 24.60 ms. Allocated memory is still 391.6 MB. Free memory was 319.5 MB in the beginning and 318.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-11 14:24:07,206 INFO L168 Benchmark]: RCFGBuilder took 271.85 ms. Allocated memory was 391.6 MB in the beginning and 595.6 MB in the end (delta: 203.9 MB). Free memory was 318.1 MB in the beginning and 555.4 MB in the end (delta: -237.2 MB). Peak memory consumption was 25.5 MB. Max. memory is 5.3 GB. [2018-04-11 14:24:07,206 INFO L168 Benchmark]: TraceAbstraction took 618.95 ms. Allocated memory is still 595.6 MB. Free memory was 555.4 MB in the beginning and 484.0 MB in the end (delta: 71.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 5.3 GB. [2018-04-11 14:24:07,208 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 391.6 MB. Free memory is still 351.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 136.81 ms. Allocated memory is still 391.6 MB. Free memory was 330.1 MB in the beginning and 319.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 24.60 ms. Allocated memory is still 391.6 MB. Free memory was 319.5 MB in the beginning and 318.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 271.85 ms. Allocated memory was 391.6 MB in the beginning and 595.6 MB in the end (delta: 203.9 MB). Free memory was 318.1 MB in the beginning and 555.4 MB in the end (delta: -237.2 MB). Peak memory consumption was 25.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 618.95 ms. Allocated memory is still 595.6 MB. Free memory was 555.4 MB in the beginning and 484.0 MB in the end (delta: 71.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 33]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L23] struct A *p; [L24] EXPR, FCALL malloc(2) VAL [malloc(2)={4:0}] [L24] p = malloc(2) VAL [malloc(2)={4:0}, p={4:0}] [L25] FCALL p->a = 1 VAL [malloc(2)={4:0}, p={4:0}] [L26] EXPR, FCALL p->a VAL [malloc(2)={4:0}, p={4:0}, p->a=1] [L26] COND FALSE !(p->a != 1) [L29] FCALL p->b = 2 VAL [malloc(2)={4:0}, p={4:0}] [L30] EXPR, FCALL p->b VAL [malloc(2)={4:0}, p={4:0}, p->b=2] [L30] COND FALSE !(p->b != 2) [L33] FCALL p->c = 3 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 66 locations, 27 error locations. UNSAFE Result, 0.5s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 55 SDtfs, 151 SDslu, 58 SDs, 0 SdLazy, 107 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, 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, 3 MinimizatonAttempts, 34 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 628 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-bitfields-1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_14-24-07-213.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-bitfields-1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_14-24-07-213.csv Received shutdown request...