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/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i
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This is Ultimate 0.1.23-26d9e06-m
[2018-02-02 10:52:21,277 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-02-02 10:52:21,278 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-02-02 10:52:21,289 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-02-02 10:52:21,289 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-02-02 10:52:21,290 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-02-02 10:52:21,291 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-02-02 10:52:21,293 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-02-02 10:52:21,294 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-02-02 10:52:21,295 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-02-02 10:52:21,296 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-02-02 10:52:21,296 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-02-02 10:52:21,297 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-02-02 10:52:21,298 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-02-02 10:52:21,298 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-02-02 10:52:21,300 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-02-02 10:52:21,302 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-02-02 10:52:21,304 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-02-02 10:52:21,305 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-02-02 10:52:21,306 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-02-02 10:52:21,307 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-02-02 10:52:21,308 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-02-02 10:52:21,308 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-02-02 10:52:21,309 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-02-02 10:52:21,310 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-02-02 10:52:21,311 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-02-02 10:52:21,311 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-02-02 10:52:21,312 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring...
[2018-02-02 10:52:21,312 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-02-02 10:52:21,312 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-02-02 10:52:21,313 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-02-02 10:52:21,313 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf
[2018-02-02 10:52:21,323 INFO L110 SettingsManager]: Loading preferences was successful
[2018-02-02 10:52:21,324 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-02-02 10:52:21,325 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-02-02 10:52:21,325 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-02-02 10:52:21,325 INFO L133 SettingsManager]: * Use SBE=true
[2018-02-02 10:52:21,325 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-02-02 10:52:21,325 INFO L133 SettingsManager]: * sizeof long=4
[2018-02-02 10:52:21,326 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-02-02 10:52:21,326 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-02-02 10:52:21,326 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-02-02 10:52:21,326 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-02-02 10:52:21,326 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-02-02 10:52:21,326 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-02-02 10:52:21,327 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-02-02 10:52:21,327 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-02-02 10:52:21,327 INFO L133 SettingsManager]: * sizeof long double=12
[2018-02-02 10:52:21,327 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-02-02 10:52:21,327 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-02-02 10:52:21,327 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-02-02 10:52:21,328 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-02-02 10:52:21,328 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-02 10:52:21,328 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-02-02 10:52:21,328 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation
[2018-02-02 10:52:21,328 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode
[2018-02-02 10:52:21,328 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-02 10:52:21,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-02-02 10:52:21,368 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-02-02 10:52:21,371 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-02-02 10:52:21,372 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-02-02 10:52:21,373 INFO L276 PluginConnector]: CDTParser initialized
[2018-02-02 10:52:21,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i
[2018-02-02 10:52:21,505 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-02-02 10:52:21,506 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-02-02 10:52:21,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-02-02 10:52:21,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-02-02 10:52:21,510 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-02-02 10:52:21,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:52:21" (1/1) ...
[2018-02-02 10:52:21,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fdaeb63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:52:21, skipping insertion in model container
[2018-02-02 10:52:21,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:52:21" (1/1) ...
[2018-02-02 10:52:21,523 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-02 10:52:21,549 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-02 10:52:21,640 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-02 10:52:21,657 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-02 10:52:21,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:52:21 WrapperNode
[2018-02-02 10:52:21,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-02-02 10:52:21,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-02-02 10:52:21,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-02-02 10:52:21,662 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-02-02 10:52:21,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:52:21" (1/1) ...
[2018-02-02 10:52:21,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:52:21" (1/1) ...
[2018-02-02 10:52:21,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:52:21" (1/1) ...
[2018-02-02 10:52:21,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:52:21" (1/1) ...
[2018-02-02 10:52:21,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:52:21" (1/1) ...
[2018-02-02 10:52:21,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:52:21" (1/1) ...
[2018-02-02 10:52:21,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:52:21" (1/1) ...
[2018-02-02 10:52:21,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-02-02 10:52:21,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-02-02 10:52:21,685 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-02-02 10:52:21,685 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-02-02 10:52:21,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:52:21" (1/1) ...
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-02 10:52:21,720 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-02-02 10:52:21,720 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-02-02 10:52:21,720 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrlcpy
[2018-02-02 10:52:21,720 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-02-02 10:52:21,720 INFO L128 BoogieDeclarations]: Found specification of procedure write~int
[2018-02-02 10:52:21,720 INFO L128 BoogieDeclarations]: Found specification of procedure read~int
[2018-02-02 10:52:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-02-02 10:52:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-02-02 10:52:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-02-02 10:52:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-02-02 10:52:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure cstrlcpy
[2018-02-02 10:52:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-02-02 10:52:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-02-02 10:52:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-02-02 10:52:21,879 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-02-02 10:52:21,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:52:21 BoogieIcfgContainer
[2018-02-02 10:52:21,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-02-02 10:52:21,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-02-02 10:52:21,880 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-02-02 10:52:21,882 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-02-02 10:52:21,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 10:52:21" (1/3) ...
[2018-02-02 10:52:21,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9f5009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:52:21, skipping insertion in model container
[2018-02-02 10:52:21,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:52:21" (2/3) ...
[2018-02-02 10:52:21,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9f5009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:52:21, skipping insertion in model container
[2018-02-02 10:52:21,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:52:21" (3/3) ...
[2018-02-02 10:52:21,885 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i
[2018-02-02 10:52:21,890 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2018-02-02 10:52:21,895 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations.
[2018-02-02 10:52:21,927 INFO L322 AbstractCegarLoop]: Interprodecural is true
[2018-02-02 10:52:21,927 INFO L323 AbstractCegarLoop]: Hoare is false
[2018-02-02 10:52:21,928 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2018-02-02 10:52:21,928 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL
[2018-02-02 10:52:21,928 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-02-02 10:52:21,928 INFO L327 AbstractCegarLoop]: Difference is false
[2018-02-02 10:52:21,928 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-02-02 10:52:21,928 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-02-02 10:52:21,929 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-02-02 10:52:21,937 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states.
[2018-02-02 10:52:21,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2018-02-02 10:52:21,945 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-02 10:52:21,945 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:52:21,946 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cstrlcpyErr6RequiresViolation, cstrlcpyErr4RequiresViolation, cstrlcpyErr5RequiresViolation, cstrlcpyErr7RequiresViolation, cstrlcpyErr0RequiresViolation, cstrlcpyErr3RequiresViolation, cstrlcpyErr1RequiresViolation, cstrlcpyErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]===
[2018-02-02 10:52:21,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1536619982, now seen corresponding path program 1 times
No working directory specified, using /home/ultimate/work/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
[2018-02-02 10:52:21,958 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:52:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:52:21,986 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier
[2018-02-02 10:52:21,996 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:52:21,996 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:52:21,996 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:52:21,997 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-02 10:52:22,020 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true
[2018-02-02 10:52:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:52:22,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:52:22,097 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 10:52:22,098 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2018-02-02 10:52:22,099 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-02 10:52:22,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:52:22,100 INFO L182 omatonBuilderFactory]: Interpolants [64#(= 1 (select |#valid| |main_#t~malloc10.base|)), 65#(= 1 (select |#valid| main_~nondetString1~0.base)), 66#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 58#true, 59#false, 63#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp))]
[2018-02-02 10:52:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 10:52:22,101 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-02-02 10:52:22,112 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-02-02 10:52:22,112 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30
[2018-02-02 10:52:22,115 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 6 states.
[2018-02-02 10:52:22,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 10:52:22,329 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions.
[2018-02-02 10:52:22,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2018-02-02 10:52:22,330 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13
[2018-02-02 10:52:22,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 10:52:22,337 INFO L225 Difference]: With dead ends: 68
[2018-02-02 10:52:22,337 INFO L226 Difference]: Without dead ends: 65
[2018-02-02 10:52:22,339 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56
[2018-02-02 10:52:22,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states.
[2018-02-02 10:52:22,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 58.
[2018-02-02 10:52:22,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states.
[2018-02-02 10:52:22,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions.
[2018-02-02 10:52:22,449 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 13
[2018-02-02 10:52:22,450 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-02 10:52:22,450 INFO L432 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions.
[2018-02-02 10:52:22,450 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-02-02 10:52:22,450 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions.
[2018-02-02 10:52:22,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2018-02-02 10:52:22,451 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-02 10:52:22,451 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:52:22,452 INFO L371 AbstractCegarLoop]: === Iteration 2 === [cstrlcpyErr6RequiresViolation, cstrlcpyErr4RequiresViolation, cstrlcpyErr5RequiresViolation, cstrlcpyErr7RequiresViolation, cstrlcpyErr0RequiresViolation, cstrlcpyErr3RequiresViolation, cstrlcpyErr1RequiresViolation, cstrlcpyErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]===
[2018-02-02 10:52:22,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1536619983, now seen corresponding path program 1 times
No working directory specified, using /home/ultimate/work/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
[2018-02-02 10:52:22,456 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:52:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:52:22,491 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
Unsupported proof rule: (let ((a!1 (= (+ |main_#t~nondet9_4|
0
(* (- 1) (select |#length_10| |main_#t~malloc10.base_8|)))
(+ |main_#t~nondet9_4|
(* (- 1) (select |#length_10| |main_#t~malloc10.base_8|))))))
(rewrite a!1))
[2018-02-02 10:52:22,492 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 79 column 269: theory not supported by interpolation or bad proof
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630)
at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64)
at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260)
at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.<init>(NestedInterpolantsBuilder.java:164)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:294)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:196)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:106)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:68)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:115)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
[2018-02-02 10:52:22,494 INFO L168 Benchmark]: Toolchain (without parser) took 989.10 ms. Allocated memory was 398.5 MB in the beginning and 600.8 MB in the end (delta: 202.4 MB). Free memory was 356.7 MB in the beginning and 569.7 MB in the end (delta: -213.0 MB). There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-02 10:52:22,496 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 398.5 MB. Free memory is still 361.9 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-02 10:52:22,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 154.88 ms. Allocated memory is still 398.5 MB. Free memory was 355.3 MB in the beginning and 344.8 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB.
[2018-02-02 10:52:22,496 INFO L168 Benchmark]: Boogie Preprocessor took 23.44 ms. Allocated memory is still 398.5 MB. Free memory was 344.8 MB in the beginning and 343.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
[2018-02-02 10:52:22,497 INFO L168 Benchmark]: RCFGBuilder took 194.25 ms. Allocated memory is still 398.5 MB. Free memory was 343.4 MB in the beginning and 322.7 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 5.3 GB.
[2018-02-02 10:52:22,497 INFO L168 Benchmark]: TraceAbstraction took 614.08 ms. Allocated memory was 398.5 MB in the beginning and 600.8 MB in the end (delta: 202.4 MB). Free memory was 322.7 MB in the beginning and 569.7 MB in the end (delta: -247.0 MB). There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-02 10:52:22,499 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.16 ms. Allocated memory is still 398.5 MB. Free memory is still 361.9 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 154.88 ms. Allocated memory is still 398.5 MB. Free memory was 355.3 MB in the beginning and 344.8 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 23.44 ms. Allocated memory is still 398.5 MB. Free memory was 344.8 MB in the beginning and 343.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 194.25 ms. Allocated memory is still 398.5 MB. Free memory was 343.4 MB in the beginning and 322.7 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 614.08 ms. Allocated memory was 398.5 MB in the beginning and 600.8 MB in the end (delta: 202.4 MB). Free memory was 322.7 MB in the beginning and 569.7 MB in the end (delta: -247.0 MB). There was no memory consumed. Max. memory is 5.3 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: SMTLIBException: line 79 column 269: theory not supported by interpolation or bad proof
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 79 column 269: theory not supported by interpolation or bad proof: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_10-52-22-506.csv
Received shutdown request...