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 -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/memleaks_test1_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 03:07:35,906 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 03:07:35,907 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 03:07:35,917 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 03:07:35,917 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 03:07:35,918 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 03:07:35,918 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 03:07:35,919 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 03:07:35,921 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 03:07:35,922 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 03:07:35,922 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 03:07:35,922 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 03:07:35,923 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 03:07:35,924 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 03:07:35,925 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 03:07:35,926 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 03:07:35,928 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 03:07:35,929 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 03:07:35,930 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 03:07:35,931 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 03:07:35,933 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 03:07:35,933 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 03:07:35,933 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 03:07:35,934 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 03:07:35,934 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 03:07:35,935 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 03:07:35,935 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 03:07:35,936 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 03:07:35,936 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 03:07:35,936 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 03:07:35,936 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 03:07:35,937 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 [2018-02-04 03:07:35,946 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 03:07:35,947 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 03:07:35,947 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 03:07:35,948 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 03:07:35,948 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 03:07:35,948 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 03:07:35,948 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 03:07:35,948 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 03:07:35,948 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 03:07:35,949 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 03:07:35,949 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 03:07:35,949 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 03:07:35,949 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 03:07:35,949 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 03:07:35,949 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 03:07:35,950 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 03:07:35,950 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 03:07:35,950 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 03:07:35,950 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 03:07:35,950 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 03:07:35,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 03:07:35,951 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 03:07:35,951 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-04 03:07:35,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 03:07:35,987 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 03:07:35,990 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 03:07:35,991 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 03:07:35,992 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 03:07:35,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test1_false-valid-free.i [2018-02-04 03:07:36,126 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 03:07:36,127 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 03:07:36,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 03:07:36,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 03:07:36,134 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 03:07:36,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:07:36" (1/1) ... [2018-02-04 03:07:36,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b089594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:07:36, skipping insertion in model container [2018-02-04 03:07:36,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:07:36" (1/1) ... [2018-02-04 03:07:36,146 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:07:36,180 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:07:36,262 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:07:36,270 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:07:36,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:07:36 WrapperNode [2018-02-04 03:07:36,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 03:07:36,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 03:07:36,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 03:07:36,275 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 03:07:36,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:07:36" (1/1) ... [2018-02-04 03:07:36,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:07:36" (1/1) ... [2018-02-04 03:07:36,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:07:36" (1/1) ... [2018-02-04 03:07:36,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:07:36" (1/1) ... [2018-02-04 03:07:36,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:07:36" (1/1) ... [2018-02-04 03:07:36,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:07:36" (1/1) ... [2018-02-04 03:07:36,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:07:36" (1/1) ... [2018-02-04 03:07:36,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 03:07:36,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 03:07:36,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 03:07:36,296 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 03:07:36,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:07:36" (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 [2018-02-04 03:07:36,342 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 03:07:36,342 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 03:07:36,342 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-02-04 03:07:36,343 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-02-04 03:07:36,343 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 03:07:36,343 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 03:07:36,343 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 03:07:36,343 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 03:07:36,343 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 03:07:36,343 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 03:07:36,343 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 03:07:36,344 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-02-04 03:07:36,344 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-02-04 03:07:36,344 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 03:07:36,344 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 03:07:36,344 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 03:07:36,448 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 03:07:36,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:07:36 BoogieIcfgContainer [2018-02-04 03:07:36,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 03:07:36,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 03:07:36,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 03:07:36,453 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 03:07:36,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 03:07:36" (1/3) ... [2018-02-04 03:07:36,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a64e6af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:07:36, skipping insertion in model container [2018-02-04 03:07:36,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:07:36" (2/3) ... [2018-02-04 03:07:36,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a64e6af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:07:36, skipping insertion in model container [2018-02-04 03:07:36,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:07:36" (3/3) ... [2018-02-04 03:07:36,456 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test1_false-valid-free.i [2018-02-04 03:07:36,464 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 03:07:36,471 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-02-04 03:07:36,523 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 03:07:36,523 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 03:07:36,523 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-04 03:07:36,523 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 03:07:36,523 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 03:07:36,524 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 03:07:36,524 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 03:07:36,524 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 03:07:36,525 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 03:07:36,536 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2018-02-04 03:07:36,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-04 03:07:36,545 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:07:36,546 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:07:36,546 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-04 03:07:36,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1168738877, now seen corresponding path program 1 times [2018-02-04 03:07:36,603 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:07:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:07:36,642 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:07:36,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:07:36,704 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:07:36,704 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:07:36,705 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:07:36,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:07:36,706 INFO L182 omatonBuilderFactory]: Interpolants [32#(= 0 |ldv_malloc_#res.offset|), 33#(= 0 |entry_point_#t~ret2.offset|), 34#(= 0 entry_point_~p~0.offset), 30#true, 31#false] [2018-02-04 03:07:36,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:07:36,707 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:07:36,718 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:07:36,718 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:07:36,720 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 5 states. [2018-02-04 03:07:36,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:07:36,803 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-02-04 03:07:36,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:07:36,804 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-02-04 03:07:36,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:07:36,810 INFO L225 Difference]: With dead ends: 31 [2018-02-04 03:07:36,811 INFO L226 Difference]: Without dead ends: 28 [2018-02-04 03:07:36,812 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:07:36,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-02-04 03:07:36,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2018-02-04 03:07:36,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-02-04 03:07:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-02-04 03:07:36,831 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 13 [2018-02-04 03:07:36,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:07:36,831 INFO L432 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-02-04 03:07:36,831 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:07:36,832 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-02-04 03:07:36,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-04 03:07:36,832 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:07:36,832 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:07:36,832 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-04 03:07:36,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1168738878, now seen corresponding path program 1 times [2018-02-04 03:07:36,833 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:07:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:07:36,842 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:07:36,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:07:36,873 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:07:36,873 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:07:36,873 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:07:36,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:07:36,873 INFO L182 omatonBuilderFactory]: Interpolants [96#(= 0 |entry_point_#t~ret2.base|), 97#(= 0 entry_point_~p~0.base), 93#true, 94#false, 95#(= 0 |ldv_malloc_#res.base|)] [2018-02-04 03:07:36,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:07:36,874 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:07:36,874 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:07:36,874 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:07:36,875 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 5 states. [2018-02-04 03:07:36,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:07:36,889 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2018-02-04 03:07:36,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:07:36,889 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-02-04 03:07:36,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:07:36,891 INFO L225 Difference]: With dead ends: 30 [2018-02-04 03:07:36,891 INFO L226 Difference]: Without dead ends: 30 [2018-02-04 03:07:36,891 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:07:36,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-02-04 03:07:36,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2018-02-04 03:07:36,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-02-04 03:07:36,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2018-02-04 03:07:36,894 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 13 [2018-02-04 03:07:36,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:07:36,894 INFO L432 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2018-02-04 03:07:36,894 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:07:36,894 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2018-02-04 03:07:36,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 03:07:36,894 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:07:36,894 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:07:36,894 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-04 03:07:36,895 INFO L82 PathProgramCache]: Analyzing trace with hash -602021893, now seen corresponding path program 1 times [2018-02-04 03:07:36,896 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:07:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:07:36,905 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:07:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:07:36,942 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:07:36,942 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:07:36,942 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:07:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:07:36,942 INFO L182 omatonBuilderFactory]: Interpolants [160#(= 0 |entry_point_#t~ret2.offset|), 161#(= 0 entry_point_~p~0.offset), 156#true, 157#false, 158#(= 0 |ldv_malloc_#t~malloc1.offset|), 159#(= 0 |ldv_malloc_#res.offset|)] [2018-02-04 03:07:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:07:36,943 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:07:36,943 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:07:36,943 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:07:36,943 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 6 states. [2018-02-04 03:07:36,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:07:36,971 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-02-04 03:07:36,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:07:36,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-02-04 03:07:36,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:07:36,973 INFO L225 Difference]: With dead ends: 27 [2018-02-04 03:07:36,973 INFO L226 Difference]: Without dead ends: 27 [2018-02-04 03:07:36,973 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:07:36,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-02-04 03:07:36,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-02-04 03:07:36,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-02-04 03:07:36,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-02-04 03:07:36,977 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 15 [2018-02-04 03:07:36,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:07:36,977 INFO L432 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-02-04 03:07:36,977 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:07:36,977 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-02-04 03:07:36,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 03:07:36,978 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:07:36,978 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:07:36,978 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-04 03:07:36,978 INFO L82 PathProgramCache]: Analyzing trace with hash -602021892, now seen corresponding path program 1 times [2018-02-04 03:07:36,980 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:07:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:07:36,991 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:07:37,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:07:37,033 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:07:37,033 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:07:37,033 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:07:37,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:07:37,034 INFO L182 omatonBuilderFactory]: Interpolants [218#true, 219#false, 220#(= 1 (select |#valid| |ldv_malloc_#t~malloc1.base|)), 221#(= 1 (select |#valid| |ldv_malloc_#res.base|)), 222#(= 1 (select |#valid| |entry_point_#t~ret2.base|)), 223#(= 1 (select |#valid| entry_point_~p~0.base))] [2018-02-04 03:07:37,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:07:37,034 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:07:37,034 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:07:37,034 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:07:37,034 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 6 states. [2018-02-04 03:07:37,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:07:37,068 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-02-04 03:07:37,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:07:37,069 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-02-04 03:07:37,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:07:37,069 INFO L225 Difference]: With dead ends: 26 [2018-02-04 03:07:37,069 INFO L226 Difference]: Without dead ends: 26 [2018-02-04 03:07:37,070 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:07:37,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-02-04 03:07:37,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-02-04 03:07:37,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-02-04 03:07:37,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2018-02-04 03:07:37,073 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 15 [2018-02-04 03:07:37,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:07:37,073 INFO L432 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2018-02-04 03:07:37,073 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:07:37,073 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2018-02-04 03:07:37,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 03:07:37,074 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:07:37,074 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:07:37,074 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-04 03:07:37,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1482809507, now seen corresponding path program 1 times [2018-02-04 03:07:37,075 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:07:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-02-04 03:07:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-02-04 03:07:37,109 INFO L410 BasicCegarLoop]: Counterexample might be feasible [2018-02-04 03:07:37,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 03:07:37 BoogieIcfgContainer [2018-02-04 03:07:37,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 03:07:37,126 INFO L168 Benchmark]: Toolchain (without parser) took 999.59 ms. Allocated memory was 397.9 MB in the beginning and 602.4 MB in the end (delta: 204.5 MB). Free memory was 354.6 MB in the beginning and 531.5 MB in the end (delta: -176.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 5.3 GB. [2018-02-04 03:07:37,127 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 397.9 MB. Free memory is still 361.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 03:07:37,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.66 ms. Allocated memory is still 397.9 MB. Free memory was 354.6 MB in the beginning and 342.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-02-04 03:07:37,128 INFO L168 Benchmark]: Boogie Preprocessor took 20.96 ms. Allocated memory is still 397.9 MB. Free memory was 342.7 MB in the beginning and 340.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 03:07:37,128 INFO L168 Benchmark]: RCFGBuilder took 152.78 ms. Allocated memory is still 397.9 MB. Free memory was 340.1 MB in the beginning and 326.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 5.3 GB. [2018-02-04 03:07:37,128 INFO L168 Benchmark]: TraceAbstraction took 675.99 ms. Allocated memory was 397.9 MB in the beginning and 602.4 MB in the end (delta: 204.5 MB). Free memory was 325.5 MB in the beginning and 531.5 MB in the end (delta: -206.1 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 03:07:37,130 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 397.9 MB. Free memory is still 361.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 146.66 ms. Allocated memory is still 397.9 MB. Free memory was 354.6 MB in the beginning and 342.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 20.96 ms. Allocated memory is still 397.9 MB. Free memory was 342.7 MB in the beginning and 340.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 152.78 ms. Allocated memory is still 397.9 MB. Free memory was 340.1 MB in the beginning and 326.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 675.99 ms. Allocated memory was 397.9 MB in the beginning and 602.4 MB in the end (delta: 204.5 MB). Free memory was 325.5 MB in the beginning and 531.5 MB in the end (delta: -206.1 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L1441] CALL entry_point() [L1435] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) VAL [\old(size)=4, malloc(size)={6:0}, size=4] [L1074] RET return malloc(size); VAL [\old(size)=4, \result={6:0}, malloc(size)={6:0}, size=4] [L1435] EXPR ldv_malloc(sizeof(int)) VAL [ldv_malloc(sizeof(int))={6:0}] [L1435] int *p = (int *)ldv_malloc(sizeof(int)); [L1436] FCALL free(p) VAL [p={6:0}] [L1437] FCALL free(p) VAL [p={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 27 locations, 5 error locations. UNSAFE Result, 0.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 85 SDtfs, 17 SDslu, 245 SDs, 0 SdLazy, 83 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 1292 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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/memleaks_test1_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_03-07-37-136.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test1_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_03-07-37-136.csv Received shutdown request...