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_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memsetNonZero3_false-valid-deref-write.c
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This is Ultimate 0.1.23-1cceb4a
[2018-01-29 23:52:28,902 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-01-29 23:52:28,904 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-01-29 23:52:28,918 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-01-29 23:52:28,918 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-01-29 23:52:28,919 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-01-29 23:52:28,920 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-01-29 23:52:28,922 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-01-29 23:52:28,923 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-01-29 23:52:28,924 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-01-29 23:52:28,925 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-01-29 23:52:28,925 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-01-29 23:52:28,926 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-01-29 23:52:28,927 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-01-29 23:52:28,928 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-01-29 23:52:28,930 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-01-29 23:52:28,932 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-01-29 23:52:28,934 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-01-29 23:52:28,935 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-01-29 23:52:28,937 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-01-29 23:52:28,939 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-01-29 23:52:28,939 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-01-29 23:52:28,939 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-01-29 23:52:28,940 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-01-29 23:52:28,941 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-01-29 23:52:28,942 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-01-29 23:52:28,943 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-01-29 23:52:28,943 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring...
[2018-01-29 23:52:28,943 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-01-29 23:52:28,944 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-01-29 23:52:28,944 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-01-29 23:52:28,944 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf
[2018-01-29 23:52:28,954 INFO L110 SettingsManager]: Loading preferences was successful
[2018-01-29 23:52:28,954 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-01-29 23:52:28,955 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-01-29 23:52:28,955 INFO L133 SettingsManager]: * to procedures, called more than once=true
[2018-01-29 23:52:28,956 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-01-29 23:52:28,956 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain
[2018-01-29 23:52:28,956 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2018-01-29 23:52:28,957 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-01-29 23:52:28,957 INFO L133 SettingsManager]: * sizeof long=4
[2018-01-29 23:52:28,957 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-01-29 23:52:28,957 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-01-29 23:52:28,958 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-01-29 23:52:28,958 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-01-29 23:52:28,958 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-01-29 23:52:28,958 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-01-29 23:52:28,958 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-01-29 23:52:28,959 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-01-29 23:52:28,959 INFO L133 SettingsManager]: * sizeof long double=12
[2018-01-29 23:52:28,959 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-01-29 23:52:28,959 INFO L133 SettingsManager]: * Size of a code block=SingleStatement
[2018-01-29 23:52:28,959 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-01-29 23:52:28,960 INFO L133 SettingsManager]: * Add additional assume for each assert=false
[2018-01-29 23:52:28,960 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-01-29 23:52:28,960 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-01-29 23:52:28,960 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-01-29 23:52:28,960 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK
[2018-01-29 23:52:28,961 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-01-29 23:52:28,961 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-01-29 23:52:28,961 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL
[2018-01-29 23:52:28,961 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2018-01-29 23:52:28,961 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-01-29 23:52:28,962 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-01-29 23:52:28,962 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2018-01-29 23:52:28,963 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR
[2018-01-29 23:52:28,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-01-29 23:52:29,011 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-01-29 23:52:29,015 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-01-29 23:52:29,017 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-01-29 23:52:29,017 INFO L276 PluginConnector]: CDTParser initialized
[2018-01-29 23:52:29,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memsetNonZero3_false-valid-deref-write.c
[2018-01-29 23:52:29,150 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-01-29 23:52:29,158 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-01-29 23:52:29,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-01-29 23:52:29,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-01-29 23:52:29,167 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-01-29 23:52:29,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:52:29" (1/1) ...
[2018-01-29 23:52:29,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7229ac5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:52:29, skipping insertion in model container
[2018-01-29 23:52:29,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:52:29" (1/1) ...
[2018-01-29 23:52:29,189 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-01-29 23:52:29,209 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-01-29 23:52:29,321 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-01-29 23:52:29,334 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-01-29 23:52:29,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:52:29 WrapperNode
[2018-01-29 23:52:29,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-01-29 23:52:29,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-01-29 23:52:29,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-01-29 23:52:29,339 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-01-29 23:52:29,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:52:29" (1/1) ...
[2018-01-29 23:52:29,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:52:29" (1/1) ...
[2018-01-29 23:52:29,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:52:29" (1/1) ...
[2018-01-29 23:52:29,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:52:29" (1/1) ...
[2018-01-29 23:52:29,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:52:29" (1/1) ...
[2018-01-29 23:52:29,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:52:29" (1/1) ...
[2018-01-29 23:52:29,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:52:29" (1/1) ...
[2018-01-29 23:52:29,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-01-29 23:52:29,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-01-29 23:52:29,370 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-01-29 23:52:29,370 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-01-29 23:52:29,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:52:29" (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
[2018-01-29 23:52:29,421 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-01-29 23:52:29,422 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-01-29 23:52:29,422 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-01-29 23:52:29,422 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-01-29 23:52:29,422 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-01-29 23:52:29,422 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-01-29 23:52:29,422 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2018-01-29 23:52:29,423 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2018-01-29 23:52:29,423 INFO L128 BoogieDeclarations]: Found specification of procedure memset
[2018-01-29 23:52:29,423 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-01-29 23:52:29,423 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-01-29 23:52:29,423 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-01-29 23:52:29,498 WARN L455 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2018-01-29 23:52:29,564 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-01-29 23:52:29,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:52:29 BoogieIcfgContainer
[2018-01-29 23:52:29,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-01-29 23:52:29,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-01-29 23:52:29,565 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-01-29 23:52:29,568 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-01-29 23:52:29,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 11:52:29" (1/3) ...
[2018-01-29 23:52:29,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff0bace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:52:29, skipping insertion in model container
[2018-01-29 23:52:29,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:52:29" (2/3) ...
[2018-01-29 23:52:29,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff0bace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:52:29, skipping insertion in model container
[2018-01-29 23:52:29,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:52:29" (3/3) ...
[2018-01-29 23:52:29,572 INFO L107 eAbstractionObserver]: Analyzing ICFG memsetNonZero3_false-valid-deref-write.c
[2018-01-29 23:52:29,583 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-01-29 23:52:29,593 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations.
[2018-01-29 23:52:29,635 INFO L322 AbstractCegarLoop]: Interprodecural is true
[2018-01-29 23:52:29,636 INFO L323 AbstractCegarLoop]: Hoare is true
[2018-01-29 23:52:29,636 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-01-29 23:52:29,636 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK
[2018-01-29 23:52:29,636 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-01-29 23:52:29,636 INFO L327 AbstractCegarLoop]: Difference is false
[2018-01-29 23:52:29,636 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-01-29 23:52:29,637 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-01-29 23:52:29,637 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-01-29 23:52:29,657 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states.
[2018-01-29 23:52:29,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2018-01-29 23:52:29,665 INFO L342 BasicCegarLoop]: Found error trace
[2018-01-29 23:52:29,666 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-29 23:52:29,666 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]===
[2018-01-29 23:52:29,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1204970025, now seen corresponding path program 1 times
[2018-01-29 23:52:29,675 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-29 23:52:29,676 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-29 23:52:29,728 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-29 23:52:29,728 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-29 23:52:29,728 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-29 23:52:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-01-29 23:52:29,785 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-01-29 23:52:29,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-01-29 23:52:29,861 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-01-29 23:52:29,861 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-01-29 23:52:29,862 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-01-29 23:52:29,873 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-01-29 23:52:29,873 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2018-01-29 23:52:29,875 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states.
[2018-01-29 23:52:29,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-01-29 23:52:29,948 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions.
[2018-01-29 23:52:29,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2018-01-29 23:52:29,950 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10
[2018-01-29 23:52:29,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-01-29 23:52:29,958 INFO L225 Difference]: With dead ends: 28
[2018-01-29 23:52:29,959 INFO L226 Difference]: Without dead ends: 24
[2018-01-29 23:52:29,961 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2018-01-29 23:52:30,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2018-01-29 23:52:30,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2018-01-29 23:52:30,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states.
[2018-01-29 23:52:30,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions.
[2018-01-29 23:52:30,051 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 10
[2018-01-29 23:52:30,052 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-01-29 23:52:30,052 INFO L432 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions.
[2018-01-29 23:52:30,052 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-01-29 23:52:30,052 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions.
[2018-01-29 23:52:30,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2018-01-29 23:52:30,053 INFO L342 BasicCegarLoop]: Found error trace
[2018-01-29 23:52:30,053 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-29 23:52:30,053 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]===
[2018-01-29 23:52:30,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1204970026, now seen corresponding path program 1 times
[2018-01-29 23:52:30,053 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-29 23:52:30,053 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-29 23:52:30,054 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-29 23:52:30,054 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-29 23:52:30,054 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-29 23:52:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-01-29 23:52:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-01-29 23:52:30,096 INFO L409 BasicCegarLoop]: Counterexample might be feasible
[2018-01-29 23:52:30,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 11:52:30 BoogieIcfgContainer
[2018-01-29 23:52:30,111 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-01-29 23:52:30,112 INFO L168 Benchmark]: Toolchain (without parser) took 960.64 ms. Allocated memory was 308.8 MB in the beginning and 470.3 MB in the end (delta: 161.5 MB). Free memory was 269.7 MB in the beginning and 440.7 MB in the end (delta: -171.0 MB). There was no memory consumed. Max. memory is 5.3 GB.
[2018-01-29 23:52:30,113 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 308.8 MB. Free memory is still 274.7 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-01-29 23:52:30,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 179.70 ms. Allocated memory is still 308.8 MB. Free memory was 268.7 MB in the beginning and 260.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 5.3 GB.
[2018-01-29 23:52:30,113 INFO L168 Benchmark]: Boogie Preprocessor took 30.59 ms. Allocated memory is still 308.8 MB. Free memory was 260.6 MB in the beginning and 259.6 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB.
[2018-01-29 23:52:30,114 INFO L168 Benchmark]: RCFGBuilder took 194.71 ms. Allocated memory is still 308.8 MB. Free memory was 259.6 MB in the beginning and 246.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 5.3 GB.
[2018-01-29 23:52:30,114 INFO L168 Benchmark]: TraceAbstraction took 545.87 ms. Allocated memory was 308.8 MB in the beginning and 470.3 MB in the end (delta: 161.5 MB). Free memory was 245.4 MB in the beginning and 440.7 MB in the end (delta: -195.3 MB). There was no memory consumed. Max. memory is 5.3 GB.
[2018-01-29 23:52:30,116 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.18 ms. Allocated memory is still 308.8 MB. Free memory is still 274.7 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 179.70 ms. Allocated memory is still 308.8 MB. Free memory was 268.7 MB in the beginning and 260.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 30.59 ms. Allocated memory is still 308.8 MB. Free memory was 260.6 MB in the beginning and 259.6 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB.
* RCFGBuilder took 194.71 ms. Allocated memory is still 308.8 MB. Free memory was 259.6 MB in the beginning and 246.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 545.87 ms. Allocated memory was 308.8 MB in the beginning and 470.3 MB in the end (delta: 161.5 MB). Free memory was 245.4 MB in the beginning and 440.7 MB in the end (delta: -195.3 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]: pointer dereference may fail
pointer dereference may fail
We found a FailurePath:
[L26] FCALL struct ppp_comp_stats cstats ;
VAL [cstats={82:0}]
[L27] void *point;
VAL [cstats={82:0}]
[L28] point = (void *)(& cstats)
VAL [cstats={82:0}, point={82:0}]
[L29] FCALL memset(point, 10, 81UL)
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 28 locations, 3 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 24 SDtfs, 7 SDslu, 27 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 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 /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero3_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-29_23-52-30-124.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero3_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-29_23-52-30-124.csv
Received shutdown request...