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_NoArray.epf -i ../../../trunk/examples/svcomp/ldv-memsafety-bitfields/test-bitfields-1_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 17:11:05,552 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 17:11:05,553 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 17:11:05,563 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 17:11:05,563 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 17:11:05,564 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 17:11:05,564 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 17:11:05,566 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 17:11:05,568 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 17:11:05,568 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 17:11:05,569 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 17:11:05,569 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 17:11:05,570 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 17:11:05,571 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 17:11:05,572 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 17:11:05,573 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 17:11:05,575 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 17:11:05,576 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 17:11:05,577 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 17:11:05,577 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 17:11:05,579 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 17:11:05,579 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 17:11:05,579 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 17:11:05,580 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 17:11:05,581 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 17:11:05,582 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 17:11:05,582 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 17:11:05,582 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 17:11:05,583 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 17:11:05,583 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 17:11:05,584 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 17:11:05,584 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_NoArray.epf [2018-04-11 17:11:05,604 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 17:11:05,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 17:11:05,605 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 17:11:05,605 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 17:11:05,605 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 17:11:05,605 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 17:11:05,605 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 17:11:05,605 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 17:11:05,605 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 17:11:05,606 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 17:11:05,606 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 17:11:05,606 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 17:11:05,606 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 17:11:05,606 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 17:11:05,606 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 17:11:05,607 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 17:11:05,607 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 17:11:05,607 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 17:11:05,607 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 17:11:05,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 17:11:05,607 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 17:11:05,607 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 17:11:05,608 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 17:11:05,608 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 17:11:05,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 17:11:05,644 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 17:11:05,647 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 17:11:05,648 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 17:11:05,649 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 17:11:05,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety-bitfields/test-bitfields-1_true-valid-memsafety_true-termination.i [2018-04-11 17:11:05,966 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe514aba9a [2018-04-11 17:11:06,043 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 17:11:06,043 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 17:11:06,044 INFO L168 CDTParser]: Scanning test-bitfields-1_true-valid-memsafety_true-termination.i [2018-04-11 17:11:06,045 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 17:11:06,045 INFO L215 ultiparseSymbolTable]: [2018-04-11 17:11:06,045 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 17:11:06,045 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-bitfields-1_true-valid-memsafety_true-termination.i [2018-04-11 17:11:06,045 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 17:11:06,045 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_bitfields___true_valid_memsafety_true_termination_i__size_t in test-bitfields-1_true-valid-memsafety_true-termination.i [2018-04-11 17:11:06,057 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe514aba9a [2018-04-11 17:11:06,060 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 17:11:06,062 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 17:11:06,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 17:11:06,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 17:11:06,067 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 17:11:06,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 05:11:06" (1/1) ... [2018-04-11 17:11:06,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4328dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 05:11:06, skipping insertion in model container [2018-04-11 17:11:06,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 05:11:06" (1/1) ... [2018-04-11 17:11:06,079 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 17:11:06,085 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 17:11:06,171 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 17:11:06,188 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 17:11:06,193 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 11 non ball SCCs. Number of states in SCCs 11. [2018-04-11 17:11:06,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 05:11:06 WrapperNode [2018-04-11 17:11:06,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 17:11:06,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 17:11:06,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 17:11:06,201 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 17:11:06,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 05:11:06" (1/1) ... [2018-04-11 17:11:06,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 05:11:06" (1/1) ... [2018-04-11 17:11:06,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 05:11:06" (1/1) ... [2018-04-11 17:11:06,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 05:11:06" (1/1) ... [2018-04-11 17:11:06,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 05:11:06" (1/1) ... [2018-04-11 17:11:06,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 05:11:06" (1/1) ... [2018-04-11 17:11:06,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 05:11:06" (1/1) ... [2018-04-11 17:11:06,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 17:11:06,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 17:11:06,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 17:11:06,224 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 17:11:06,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 05:11:06" (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 17:11:06,260 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 17:11:06,260 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 17:11:06,260 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 17:11:06,260 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-04-11 17:11:06,260 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 17:11:06,260 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 17:11:06,260 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 17:11:06,260 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 17:11:06,260 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 17:11:06,260 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 17:11:06,260 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 17:11:06,260 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 17:11:06,261 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 17:11:06,261 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 17:11:06,472 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 17:11:06,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 05:11:06 BoogieIcfgContainer [2018-04-11 17:11:06,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 17:11:06,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 17:11:06,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 17:11:06,475 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 17:11:06,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 05:11:06" (1/3) ... [2018-04-11 17:11:06,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56912d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 05:11:06, skipping insertion in model container [2018-04-11 17:11:06,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 05:11:06" (2/3) ... [2018-04-11 17:11:06,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56912d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 05:11:06, skipping insertion in model container [2018-04-11 17:11:06,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 05:11:06" (3/3) ... [2018-04-11 17:11:06,477 INFO L107 eAbstractionObserver]: Analyzing ICFG test-bitfields-1_true-valid-memsafety_true-termination.i [2018-04-11 17:11:06,482 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 17:11:06,487 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 27 error locations. [2018-04-11 17:11:06,509 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 17:11:06,509 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 17:11:06,509 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 17:11:06,510 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 17:11:06,510 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 17:11:06,510 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 17:11:06,510 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 17:11:06,510 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 17:11:06,510 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 17:11:06,510 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 17:11:06,520 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2018-04-11 17:11:06,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-11 17:11:06,527 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 17:11:06,528 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 17:11:06,528 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 17:11:06,531 INFO L82 PathProgramCache]: Analyzing trace with hash -815339273, now seen corresponding path program 1 times [2018-04-11 17:11:06,532 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 17:11:06,532 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 17:11:06,558 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 17:11:06,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 17:11:06,559 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 17:11:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 17:11:06,590 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 17:11:06,639 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 17:11:06,640 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 17:11:06,640 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 17:11:06,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 17:11:06,649 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 17:11:06,650 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 17:11:06,651 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 4 states. [2018-04-11 17:11:06,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 17:11:06,803 INFO L93 Difference]: Finished difference Result 96 states and 102 transitions. [2018-04-11 17:11:06,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 17:11:06,804 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-04-11 17:11:06,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 17:11:06,810 INFO L225 Difference]: With dead ends: 96 [2018-04-11 17:11:06,810 INFO L226 Difference]: Without dead ends: 93 [2018-04-11 17:11:06,811 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 17:11:06,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-04-11 17:11:06,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 59. [2018-04-11 17:11:06,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-11 17:11:06,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2018-04-11 17:11:06,833 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 9 [2018-04-11 17:11:06,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 17:11:06,833 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2018-04-11 17:11:06,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 17:11:06,833 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2018-04-11 17:11:06,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-11 17:11:06,834 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 17:11:06,834 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 17:11:06,834 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 17:11:06,834 INFO L82 PathProgramCache]: Analyzing trace with hash -815339272, now seen corresponding path program 1 times [2018-04-11 17:11:06,834 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 17:11:06,834 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 17:11:06,835 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 17:11:06,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 17:11:06,835 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 17:11:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 17:11:06,850 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 17:11:06,899 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 17:11:06,899 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 17:11:06,899 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 17:11:06,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 17:11:06,901 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 17:11:06,901 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 17:11:06,901 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. Second operand 4 states. [2018-04-11 17:11:06,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 17:11:06,933 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2018-04-11 17:11:06,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 17:11:06,934 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-04-11 17:11:06,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 17:11:06,934 INFO L225 Difference]: With dead ends: 26 [2018-04-11 17:11:06,935 INFO L226 Difference]: Without dead ends: 26 [2018-04-11 17:11:06,935 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 17:11:06,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-04-11 17:11:06,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-04-11 17:11:06,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-04-11 17:11:06,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2018-04-11 17:11:06,938 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 9 [2018-04-11 17:11:06,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 17:11:06,938 INFO L459 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2018-04-11 17:11:06,938 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 17:11:06,938 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-04-11 17:11:06,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 17:11:06,939 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 17:11:06,939 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 17:11:06,939 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 17:11:06,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1182458942, now seen corresponding path program 1 times [2018-04-11 17:11:06,939 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 17:11:06,939 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 17:11:06,940 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 17:11:06,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 17:11:06,940 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 17:11:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 17:11:06,955 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 17:11:06,998 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 17:11:06,998 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 17:11:06,998 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 17:11:06,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 17:11:06,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 17:11:06,999 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 17:11:06,999 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 4 states. [2018-04-11 17:11:07,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 17:11:07,019 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-04-11 17:11:07,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 17:11:07,020 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-04-11 17:11:07,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 17:11:07,020 INFO L225 Difference]: With dead ends: 21 [2018-04-11 17:11:07,020 INFO L226 Difference]: Without dead ends: 21 [2018-04-11 17:11:07,021 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 17:11:07,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-04-11 17:11:07,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-04-11 17:11:07,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-04-11 17:11:07,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-04-11 17:11:07,023 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2018-04-11 17:11:07,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 17:11:07,023 INFO L459 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-04-11 17:11:07,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 17:11:07,023 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-04-11 17:11:07,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 17:11:07,024 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 17:11:07,024 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 17:11:07,024 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 17:11:07,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1175777463, now seen corresponding path program 1 times [2018-04-11 17:11:07,024 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 17:11:07,025 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 17:11:07,025 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 17:11:07,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 17:11:07,026 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 17:11:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 17:11:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 17:11:07,061 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 17:11:07,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 05:11:07 BoogieIcfgContainer [2018-04-11 17:11:07,077 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 17:11:07,077 INFO L168 Benchmark]: Toolchain (without parser) took 1016.43 ms. Allocated memory was 403.7 MB in the beginning and 593.5 MB in the end (delta: 189.8 MB). Free memory was 340.9 MB in the beginning and 488.5 MB in the end (delta: -147.6 MB). Peak memory consumption was 42.2 MB. Max. memory is 5.3 GB. [2018-04-11 17:11:07,078 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 403.7 MB. Free memory is still 360.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 17:11:07,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.62 ms. Allocated memory is still 403.7 MB. Free memory was 340.9 MB in the beginning and 329.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-04-11 17:11:07,079 INFO L168 Benchmark]: Boogie Preprocessor took 22.76 ms. Allocated memory is still 403.7 MB. Free memory is still 329.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 17:11:07,079 INFO L168 Benchmark]: RCFGBuilder took 248.65 ms. Allocated memory was 403.7 MB in the beginning and 593.5 MB in the end (delta: 189.8 MB). Free memory was 329.0 MB in the beginning and 553.3 MB in the end (delta: -224.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 5.3 GB. [2018-04-11 17:11:07,079 INFO L168 Benchmark]: TraceAbstraction took 603.53 ms. Allocated memory is still 593.5 MB. Free memory was 553.3 MB in the beginning and 488.5 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 5.3 GB. [2018-04-11 17:11:07,081 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 403.7 MB. Free memory is still 360.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 138.62 ms. Allocated memory is still 403.7 MB. Free memory was 340.9 MB in the beginning and 329.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 22.76 ms. Allocated memory is still 403.7 MB. Free memory is still 329.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * RCFGBuilder took 248.65 ms. Allocated memory was 403.7 MB in the beginning and 593.5 MB in the end (delta: 189.8 MB). Free memory was 329.0 MB in the beginning and 553.3 MB in the end (delta: -224.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 603.53 ms. Allocated memory is still 593.5 MB. Free memory was 553.3 MB in the beginning and 488.5 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 32]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L22] struct A *p; [L23] EXPR, FCALL malloc(2) VAL [malloc(2)={4:0}] [L23] p = malloc(2) VAL [malloc(2)={4:0}, p={4:0}] [L24] FCALL p->a = 1 VAL [malloc(2)={4:0}, p={4:0}] [L25] EXPR, FCALL p->a VAL [malloc(2)={4:0}, p={4:0}, p->a=1] [L25] COND FALSE !(p->a != 1) [L28] FCALL p->b = 2 VAL [malloc(2)={4:0}, p={4:0}] [L29] EXPR, FCALL p->b VAL [malloc(2)={4:0}, p={4:0}, p->b=2] [L29] COND FALSE !(p->b != 2) [L32] 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_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_17-11-07-086.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-bitfields-1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_17-11-07-086.csv Received shutdown request...