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/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memset_false-valid-deref-write.c
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This is Ultimate 0.1.23-4cf2d92
[2018-03-28 13:09:40,551 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-03-28 13:09:40,554 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-03-28 13:09:40,578 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-03-28 13:09:40,578 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-03-28 13:09:40,579 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-03-28 13:09:40,582 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-03-28 13:09:40,585 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-03-28 13:09:40,588 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-03-28 13:09:40,590 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-03-28 13:09:40,591 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-03-28 13:09:40,591 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-03-28 13:09:40,593 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-03-28 13:09:40,595 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-03-28 13:09:40,596 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-03-28 13:09:40,599 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-03-28 13:09:40,602 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-03-28 13:09:40,604 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-03-28 13:09:40,606 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-03-28 13:09:40,607 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-03-28 13:09:40,610 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-03-28 13:09:40,611 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-03-28 13:09:40,611 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-03-28 13:09:40,612 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-03-28 13:09:40,613 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-03-28 13:09:40,615 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-03-28 13:09:40,615 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-03-28 13:09:40,616 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-03-28 13:09:40,617 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-03-28 13:09:40,618 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-03-28 13:09:40,619 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-03-28 13:09:40,619 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf
[2018-03-28 13:09:40,657 INFO L110 SettingsManager]: Loading preferences was successful
[2018-03-28 13:09:40,657 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-03-28 13:09:40,657 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2018-03-28 13:09:40,658 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG;
[2018-03-28 13:09:40,658 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-03-28 13:09:40,659 INFO L133 SettingsManager]: * to procedures, called more than once=true
[2018-03-28 13:09:40,659 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-03-28 13:09:40,659 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain
[2018-03-28 13:09:40,659 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2018-03-28 13:09:40,660 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults:
[2018-03-28 13:09:40,660 INFO L133 SettingsManager]: * Property to check=[] a
a: x > 42
[2018-03-28 13:09:40,660 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-03-28 13:09:40,660 INFO L133 SettingsManager]: * sizeof long=4
[2018-03-28 13:09:40,661 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-03-28 13:09:40,661 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-03-28 13:09:40,661 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-03-28 13:09:40,661 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-03-28 13:09:40,662 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-03-28 13:09:40,662 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-03-28 13:09:40,662 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-03-28 13:09:40,662 INFO L133 SettingsManager]: * sizeof long double=12
[2018-03-28 13:09:40,662 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-03-28 13:09:40,663 INFO L133 SettingsManager]: * Size of a code block=SingleStatement
[2018-03-28 13:09:40,663 INFO L133 SettingsManager]: * Add additional assume for each assert=false
[2018-03-28 13:09:40,663 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-03-28 13:09:40,663 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-03-28 13:09:40,664 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-03-28 13:09:40,664 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK
[2018-03-28 13:09:40,664 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-03-28 13:09:40,664 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-03-28 13:09:40,664 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2018-03-28 13:09:40,665 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-03-28 13:09:40,665 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-03-28 13:09:40,666 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2018-03-28 13:09:40,666 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR
[2018-03-28 13:09:40,666 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults:
[2018-03-28 13:09:40,666 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\
[2018-03-28 13:09:40,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-03-28 13:09:40,725 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized
[2018-03-28 13:09:40,730 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-03-28 13:09:40,732 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-03-28 13:09:40,733 INFO L276 PluginConnector]: CDTParser initialized
[2018-03-28 13:09:40,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memset_false-valid-deref-write.c
[2018-03-28 13:09:41,066 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG6c0188024
[2018-03-28 13:09:41,233 INFO L291 CDTParser]: IsIndexed: true
[2018-03-28 13:09:41,233 INFO L292 CDTParser]: Found 1 translation units.
[2018-03-28 13:09:41,233 INFO L171 CDTParser]: Scanning memset_false-valid-deref-write.c
[2018-03-28 13:09:41,235 INFO L210 ultiparseSymbolTable]: Include resolver:
[2018-03-28 13:09:41,235 INFO L215 ultiparseSymbolTable]: <empty include resolver>
[2018-03-28 13:09:41,235 INFO L218 ultiparseSymbolTable]: Function table:
[2018-03-28 13:09:41,235 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in memset_false-valid-deref-write.c
[2018-03-28 13:09:41,235 INFO L227 ultiparseSymbolTable]: Global variable table:
[2018-03-28 13:09:41,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset_false_valid_deref_write_c__size_t in memset_false-valid-deref-write.c
[2018-03-28 13:09:41,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset_false_valid_deref_write_c____kernel_size_t in memset_false-valid-deref-write.c
[2018-03-28 13:09:41,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset_false_valid_deref_write_c____u32 in memset_false-valid-deref-write.c
[2018-03-28 13:09:41,292 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG6c0188024
[2018-03-28 13:09:41,297 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-03-28 13:09:41,300 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-03-28 13:09:41,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-03-28 13:09:41,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-03-28 13:09:41,306 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-03-28 13:09:41,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 01:09:41" (1/1) ...
[2018-03-28 13:09:41,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14024b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:09:41, skipping insertion in model container
[2018-03-28 13:09:41,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 01:09:41" (1/1) ...
[2018-03-28 13:09:41,323 INFO L167 Dispatcher]: Using SV-COMP mode
[2018-03-28 13:09:41,335 INFO L167 Dispatcher]: Using SV-COMP mode
[2018-03-28 13:09:41,458 INFO L175 PostProcessor]: Settings: Checked method=main
[2018-03-28 13:09:41,481 INFO L175 PostProcessor]: Settings: Checked method=main
[2018-03-28 13:09:41,485 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7.
[2018-03-28 13:09:41,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:09:41 WrapperNode
[2018-03-28 13:09:41,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-03-28 13:09:41,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-03-28 13:09:41,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-03-28 13:09:41,493 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-03-28 13:09:41,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:09:41" (1/1) ...
[2018-03-28 13:09:41,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:09:41" (1/1) ...
[2018-03-28 13:09:41,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:09:41" (1/1) ...
[2018-03-28 13:09:41,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:09:41" (1/1) ...
[2018-03-28 13:09:41,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:09:41" (1/1) ...
[2018-03-28 13:09:41,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:09:41" (1/1) ...
[2018-03-28 13:09:41,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:09:41" (1/1) ...
[2018-03-28 13:09:41,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-03-28 13:09:41,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-03-28 13:09:41,520 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-03-28 13:09:41,520 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-03-28 13:09:41,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:09:41" (1/1) ...
No working directory specified, using /storage/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
[2018-03-28 13:09:41,568 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-03-28 13:09:41,568 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-03-28 13:09:41,568 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-03-28 13:09:41,569 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2018-03-28 13:09:41,569 INFO L128 BoogieDeclarations]: Found specification of procedure memset
[2018-03-28 13:09:41,569 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-03-28 13:09:41,569 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-03-28 13:09:41,569 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2018-03-28 13:09:41,569 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-03-28 13:09:41,570 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-03-28 13:09:41,570 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-03-28 13:09:41,726 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2018-03-28 13:09:41,774 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-03-28 13:09:41,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 01:09:41 BoogieIcfgContainer
[2018-03-28 13:09:41,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-03-28 13:09:41,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-03-28 13:09:41,776 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-03-28 13:09:41,778 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-03-28 13:09:41,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 01:09:41" (1/3) ...
[2018-03-28 13:09:41,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42530078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 01:09:41, skipping insertion in model container
[2018-03-28 13:09:41,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:09:41" (2/3) ...
[2018-03-28 13:09:41,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42530078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 01:09:41, skipping insertion in model container
[2018-03-28 13:09:41,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 01:09:41" (3/3) ...
[2018-03-28 13:09:41,781 INFO L107 eAbstractionObserver]: Analyzing ICFG memset_false-valid-deref-write.c
[2018-03-28 13:09:41,788 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-03-28 13:09:41,795 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations.
[2018-03-28 13:09:41,835 INFO L128 ementStrategyFactory]: Using default assertion order modulation
[2018-03-28 13:09:41,836 INFO L369 AbstractCegarLoop]: Interprodecural is true
[2018-03-28 13:09:41,836 INFO L370 AbstractCegarLoop]: Hoare is true
[2018-03-28 13:09:41,837 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-03-28 13:09:41,837 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK
[2018-03-28 13:09:41,837 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-03-28 13:09:41,837 INFO L374 AbstractCegarLoop]: Difference is false
[2018-03-28 13:09:41,837 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-03-28 13:09:41,838 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-03-28 13:09:41,838 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-03-28 13:09:41,856 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states.
[2018-03-28 13:09:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2018-03-28 13:09:41,862 INFO L347 BasicCegarLoop]: Found error trace
[2018-03-28 13:09:41,863 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2018-03-28 13:09:41,863 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]===
[2018-03-28 13:09:41,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1964876918, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-03-28 13:09:41,881 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-03-28 13:09:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-28 13:09:41,916 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-03-28 13:09:41,955 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-03-28 13:09:41,957 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-03-28 13:09:41,966 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-03-28 13:09:41,967 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5
[2018-03-28 13:09:41,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-28 13:09:41,984 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-03-28 13:09:41,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-28 13:09:42,015 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-03-28 13:09:42,015 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2018-03-28 13:09:42,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-03-28 13:09:42,027 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-03-28 13:09:42,027 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-03-28 13:09:42,029 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states.
[2018-03-28 13:09:42,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-03-28 13:09:42,074 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions.
[2018-03-28 13:09:42,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2018-03-28 13:09:42,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8
[2018-03-28 13:09:42,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-03-28 13:09:42,087 INFO L225 Difference]: With dead ends: 26
[2018-03-28 13:09:42,088 INFO L226 Difference]: Without dead ends: 22
[2018-03-28 13:09:42,091 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-03-28 13:09:42,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2018-03-28 13:09:42,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2018-03-28 13:09:42,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states.
[2018-03-28 13:09:42,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions.
[2018-03-28 13:09:42,121 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 8
[2018-03-28 13:09:42,121 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-03-28 13:09:42,121 INFO L459 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions.
[2018-03-28 13:09:42,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-03-28 13:09:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions.
[2018-03-28 13:09:42,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2018-03-28 13:09:42,122 INFO L347 BasicCegarLoop]: Found error trace
[2018-03-28 13:09:42,122 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2018-03-28 13:09:42,123 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]===
[2018-03-28 13:09:42,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1964876917, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-03-28 13:09:42,145 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-03-28 13:09:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-03-28 13:09:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-03-28 13:09:42,204 INFO L421 BasicCegarLoop]: Counterexample might be feasible
[2018-03-28 13:09:42,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 01:09:42 BoogieIcfgContainer
[2018-03-28 13:09:42,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-03-28 13:09:42,221 INFO L168 Benchmark]: Toolchain (without parser) took 924.17 ms. Allocated memory was 298.8 MB in the beginning and 453.5 MB in the end (delta: 154.7 MB). Free memory was 241.5 MB in the beginning and 393.2 MB in the end (delta: -151.6 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB.
[2018-03-28 13:09:42,223 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 298.8 MB. Free memory is still 261.2 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-03-28 13:09:42,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.62 ms. Allocated memory is still 298.8 MB. Free memory was 241.5 MB in the beginning and 231.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB.
[2018-03-28 13:09:42,223 INFO L168 Benchmark]: Boogie Preprocessor took 26.67 ms. Allocated memory is still 298.8 MB. Free memory was 231.4 MB in the beginning and 230.4 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 5.3 GB.
[2018-03-28 13:09:42,224 INFO L168 Benchmark]: RCFGBuilder took 255.18 ms. Allocated memory was 298.8 MB in the beginning and 453.5 MB in the end (delta: 154.7 MB). Free memory was 230.4 MB in the beginning and 424.4 MB in the end (delta: -193.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 5.3 GB.
[2018-03-28 13:09:42,224 INFO L168 Benchmark]: TraceAbstraction took 444.78 ms. Allocated memory is still 453.5 MB. Free memory was 424.4 MB in the beginning and 393.2 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 5.3 GB.
[2018-03-28 13:09:42,227 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 298.8 MB. Free memory is still 261.2 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 191.62 ms. Allocated memory is still 298.8 MB. Free memory was 241.5 MB in the beginning and 231.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 26.67 ms. Allocated memory is still 298.8 MB. Free memory was 231.4 MB in the beginning and 230.4 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 5.3 GB.
* RCFGBuilder took 255.18 ms. Allocated memory was 298.8 MB in the beginning and 453.5 MB in the end (delta: 154.7 MB). Free memory was 230.4 MB in the beginning and 424.4 MB in the end (delta: -193.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 444.78 ms. Allocated memory is still 453.5 MB. Free memory was 424.4 MB in the beginning and 393.2 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 5.3 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 27]: pointer dereference may fail
pointer dereference may fail
We found a FailurePath:
[L26] FCALL struct ppp_comp_stats cstats ;
VAL [cstats={6:0}]
[L27] FCALL memset((void *)(& cstats), 0, 81UL)
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 26 locations, 3 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 3 SDslu, 13 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-28_13-09-42-236.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-28_13-09-42-236.csv
Received shutdown request...