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/array-memsafety/bubblesort_unsafe_false-valid-deref.i
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This is Ultimate 0.1.23-666feb3-m
[2018-04-11 15:02:42,492 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-04-11 15:02:42,493 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-04-11 15:02:42,503 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-04-11 15:02:42,504 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-04-11 15:02:42,504 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-04-11 15:02:42,505 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-04-11 15:02:42,507 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-04-11 15:02:42,509 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-04-11 15:02:42,509 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-04-11 15:02:42,510 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-04-11 15:02:42,510 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-04-11 15:02:42,511 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-04-11 15:02:42,512 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-04-11 15:02:42,513 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-04-11 15:02:42,514 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-04-11 15:02:42,516 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-04-11 15:02:42,517 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-04-11 15:02:42,518 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-04-11 15:02:42,519 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-04-11 15:02:42,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-04-11 15:02:42,521 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-04-11 15:02:42,521 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-04-11 15:02:42,522 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-04-11 15:02:42,523 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-04-11 15:02:42,524 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-04-11 15:02:42,524 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-04-11 15:02:42,524 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-04-11 15:02:42,525 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-04-11 15:02:42,525 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-04-11 15:02:42,526 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-04-11 15:02:42,526 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 15:02:42,561 INFO L110 SettingsManager]: Loading preferences was successful
[2018-04-11 15:02:42,561 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-04-11 15:02:42,562 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-04-11 15:02:42,563 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-04-11 15:02:42,563 INFO L133 SettingsManager]: * Use SBE=true
[2018-04-11 15:02:42,563 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-04-11 15:02:42,563 INFO L133 SettingsManager]: * sizeof long=4
[2018-04-11 15:02:42,563 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-04-11 15:02:42,563 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-04-11 15:02:42,563 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-04-11 15:02:42,564 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-04-11 15:02:42,564 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-04-11 15:02:42,564 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-04-11 15:02:42,564 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-04-11 15:02:42,564 INFO L133 SettingsManager]: * sizeof long double=12
[2018-04-11 15:02:42,564 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-04-11 15:02:42,564 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-04-11 15:02:42,565 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-04-11 15:02:42,565 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-04-11 15:02:42,565 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-04-11 15:02:42,565 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-04-11 15:02:42,565 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK
[2018-04-11 15:02:42,565 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-04-11 15:02:42,566 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 15:02:42,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-04-11 15:02:42,603 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized
[2018-04-11 15:02:42,606 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-04-11 15:02:42,607 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-04-11 15:02:42,608 INFO L276 PluginConnector]: CDTParser initialized
[2018-04-11 15:02:42,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/bubblesort_unsafe_false-valid-deref.i
[2018-04-11 15:02:42,912 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG82e687186
[2018-04-11 15:02:43,000 INFO L287 CDTParser]: IsIndexed: true
[2018-04-11 15:02:43,000 INFO L288 CDTParser]: Found 1 translation units.
[2018-04-11 15:02:43,000 INFO L168 CDTParser]: Scanning bubblesort_unsafe_false-valid-deref.i
[2018-04-11 15:02:43,001 INFO L210 ultiparseSymbolTable]: Include resolver:
[2018-04-11 15:02:43,001 INFO L215 ultiparseSymbolTable]: <empty include resolver>
[2018-04-11 15:02:43,001 INFO L218 ultiparseSymbolTable]: Function table:
[2018-04-11 15:02:43,001 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in bubblesort_unsafe_false-valid-deref.i
[2018-04-11 15:02:43,001 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSort ('bubbleSort') in bubblesort_unsafe_false-valid-deref.i
[2018-04-11 15:02:43,001 INFO L227 ultiparseSymbolTable]: Global variable table:
[2018-04-11 15:02:43,001 INFO L233 ultiparseSymbolTable]: <empty global variable table>
[2018-04-11 15:02:43,012 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG82e687186
[2018-04-11 15:02:43,014 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-04-11 15:02:43,015 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-04-11 15:02:43,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-04-11 15:02:43,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-04-11 15:02:43,019 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-04-11 15:02:43,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:02:43" (1/1) ...
[2018-04-11 15:02:43,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7798103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:43, skipping insertion in model container
[2018-04-11 15:02:43,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:02:43" (1/1) ...
[2018-04-11 15:02:43,032 INFO L167 Dispatcher]: Using SV-COMP mode
[2018-04-11 15:02:43,042 INFO L167 Dispatcher]: Using SV-COMP mode
[2018-04-11 15:02:43,144 INFO L175 PostProcessor]: Settings: Checked method=main
[2018-04-11 15:02:43,166 INFO L175 PostProcessor]: Settings: Checked method=main
[2018-04-11 15:02:43,169 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9.
[2018-04-11 15:02:43,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:43 WrapperNode
[2018-04-11 15:02:43,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-04-11 15:02:43,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-04-11 15:02:43,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-04-11 15:02:43,176 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-04-11 15:02:43,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:43" (1/1) ...
[2018-04-11 15:02:43,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:43" (1/1) ...
[2018-04-11 15:02:43,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:43" (1/1) ...
[2018-04-11 15:02:43,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:43" (1/1) ...
[2018-04-11 15:02:43,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:43" (1/1) ...
[2018-04-11 15:02:43,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:43" (1/1) ...
[2018-04-11 15:02:43,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:43" (1/1) ...
[2018-04-11 15:02:43,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-04-11 15:02:43,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-04-11 15:02:43,198 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-04-11 15:02:43,198 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-04-11 15:02:43,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:43" (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 15:02:43,231 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-04-11 15:02:43,231 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-04-11 15:02:43,232 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSort
[2018-04-11 15:02:43,232 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-04-11 15:02:43,232 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-04-11 15:02:43,232 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSort
[2018-04-11 15:02:43,232 INFO L128 BoogieDeclarations]: Found specification of procedure read~int
[2018-04-11 15:02:43,232 INFO L128 BoogieDeclarations]: Found specification of procedure write~int
[2018-04-11 15:02:43,232 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-04-11 15:02:43,232 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-04-11 15:02:43,232 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-04-11 15:02:43,232 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2018-04-11 15:02:43,232 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-04-11 15:02:43,423 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-04-11 15:02:43,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:02:43 BoogieIcfgContainer
[2018-04-11 15:02:43,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-04-11 15:02:43,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-04-11 15:02:43,424 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-04-11 15:02:43,426 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-04-11 15:02:43,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 03:02:43" (1/3) ...
[2018-04-11 15:02:43,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b98aaaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:02:43, skipping insertion in model container
[2018-04-11 15:02:43,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:43" (2/3) ...
[2018-04-11 15:02:43,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b98aaaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:02:43, skipping insertion in model container
[2018-04-11 15:02:43,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:02:43" (3/3) ...
[2018-04-11 15:02:43,430 INFO L107 eAbstractionObserver]: Analyzing ICFG bubblesort_unsafe_false-valid-deref.i
[2018-04-11 15:02:43,439 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-04-11 15:02:43,444 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations.
[2018-04-11 15:02:43,470 INFO L128 ementStrategyFactory]: Using default assertion order modulation
[2018-04-11 15:02:43,471 INFO L369 AbstractCegarLoop]: Interprodecural is true
[2018-04-11 15:02:43,471 INFO L370 AbstractCegarLoop]: Hoare is false
[2018-04-11 15:02:43,471 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-04-11 15:02:43,472 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK
[2018-04-11 15:02:43,472 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-04-11 15:02:43,472 INFO L374 AbstractCegarLoop]: Difference is false
[2018-04-11 15:02:43,472 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-04-11 15:02:43,472 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-04-11 15:02:43,473 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-04-11 15:02:43,485 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states.
[2018-04-11 15:02:43,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2018-04-11 15:02:43,492 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-11 15:02:43,493 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-11 15:02:43,493 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr9RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr7RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr10RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr2RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr5RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr3RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr4RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr11RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr8RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr1RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr0RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr6RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]===
[2018-04-11 15:02:43,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1618604079, now seen corresponding path program 1 times
[2018-04-11 15:02:43,499 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-04-11 15:02:43,500 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-04-11 15:02:43,533 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-04-11 15:02:43,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-04-11 15:02:43,533 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-04-11 15:02:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-11 15:02:43,576 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-04-11 15:02:43,593 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 15:02:43,595 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-04-11 15:02:43,595 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-04-11 15:02:43,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states
[2018-04-11 15:02:43,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2018-04-11 15:02:43,605 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-04-11 15:02:43,606 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states.
[2018-04-11 15:02:43,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-11 15:02:43,620 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions.
[2018-04-11 15:02:43,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2018-04-11 15:02:43,622 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13
[2018-04-11 15:02:43,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-11 15:02:43,630 INFO L225 Difference]: With dead ends: 42
[2018-04-11 15:02:43,631 INFO L226 Difference]: Without dead ends: 35
[2018-04-11 15:02:43,632 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-04-11 15:02:43,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states.
[2018-04-11 15:02:43,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35.
[2018-04-11 15:02:43,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states.
[2018-04-11 15:02:43,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions.
[2018-04-11 15:02:43,657 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 13
[2018-04-11 15:02:43,658 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-11 15:02:43,658 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions.
[2018-04-11 15:02:43,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2018-04-11 15:02:43,658 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions.
[2018-04-11 15:02:43,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2018-04-11 15:02:43,658 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-11 15:02:43,658 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-11 15:02:43,659 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr9RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr7RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr10RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr2RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr5RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr3RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr4RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr11RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr8RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr1RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr0RequiresViolation, __U_MULTI_fbubblesort_unsafe_false_valid_deref_i__bubbleSortErr6RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]===
[2018-04-11 15:02:43,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1573832596, now seen corresponding path program 1 times
[2018-04-11 15:02:43,659 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-04-11 15:02:43,659 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-04-11 15:02:43,660 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-04-11 15:02:43,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-04-11 15:02:43,660 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-04-11 15:02:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-04-11 15:02:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-04-11 15:02:43,702 INFO L421 BasicCegarLoop]: Counterexample might be feasible
[2018-04-11 15:02:43,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 03:02:43 BoogieIcfgContainer
[2018-04-11 15:02:43,715 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-04-11 15:02:43,716 INFO L168 Benchmark]: Toolchain (without parser) took 701.60 ms. Allocated memory was 401.6 MB in the beginning and 585.6 MB in the end (delta: 184.0 MB). Free memory was 337.9 MB in the beginning and 527.3 MB in the end (delta: -189.4 MB). There was no memory consumed. Max. memory is 5.3 GB.
[2018-04-11 15:02:43,717 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 401.6 MB. Free memory is still 357.7 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-04-11 15:02:43,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.31 ms. Allocated memory is still 401.6 MB. Free memory was 337.9 MB in the beginning and 330.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 5.3 GB.
[2018-04-11 15:02:43,718 INFO L168 Benchmark]: Boogie Preprocessor took 21.87 ms. Allocated memory is still 401.6 MB. Free memory was 330.0 MB in the beginning and 327.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB.
[2018-04-11 15:02:43,718 INFO L168 Benchmark]: RCFGBuilder took 225.68 ms. Allocated memory was 401.6 MB in the beginning and 585.6 MB in the end (delta: 184.0 MB). Free memory was 327.3 MB in the beginning and 552.9 MB in the end (delta: -225.6 MB). Peak memory consumption was 28.4 MB. Max. memory is 5.3 GB.
[2018-04-11 15:02:43,719 INFO L168 Benchmark]: TraceAbstraction took 291.31 ms. Allocated memory is still 585.6 MB. Free memory was 550.9 MB in the beginning and 527.3 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 5.3 GB.
[2018-04-11 15:02:43,721 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.13 ms. Allocated memory is still 401.6 MB. Free memory is still 357.7 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 160.31 ms. Allocated memory is still 401.6 MB. Free memory was 337.9 MB in the beginning and 330.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 21.87 ms. Allocated memory is still 401.6 MB. Free memory was 330.0 MB in the beginning and 327.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 225.68 ms. Allocated memory was 401.6 MB in the beginning and 585.6 MB in the end (delta: 184.0 MB). Free memory was 327.3 MB in the beginning and 552.9 MB in the end (delta: -225.6 MB). Peak memory consumption was 28.4 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 291.31 ms. Allocated memory is still 585.6 MB. Free memory was 550.9 MB in the beginning and 527.3 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 5.3 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 7]: pointer dereference may fail
pointer dereference may fail
We found a FailurePath:
[L16] int* numbers;
[L17] int array_size = __VERIFIER_nondet_int();
[L18] CALL bubbleSort(numbers, array_size)
VAL [\old(array_size)=2, numbers={4:3}]
[L4] int i, j, temp;
[L5] i = (array_size - 1)
VAL [\old(array_size)=2, array_size=2, i=1, numbers={4:3}, numbers={4:3}]
[L5] COND TRUE i >= 0
[L6] j = 1
VAL [\old(array_size)=2, array_size=2, i=1, j=1, numbers={4:3}, numbers={4:3}]
[L6] COND TRUE j <= i
VAL [\old(array_size)=2, array_size=2, i=1, j=1, numbers={4:3}, numbers={4:3}]
[L7] FCALL numbers[j-1]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 43 locations, 13 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 44 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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/bubblesort_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_15-02-43-728.csv
Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/bubblesort_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_15-02-43-728.csv
Received shutdown request...