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/array-memsafety/openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i
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This is Ultimate 0.1.23-1cceb4a
[2018-01-29 22:42:54,312 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-01-29 22:42:54,313 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-01-29 22:42:54,329 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-01-29 22:42:54,329 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-01-29 22:42:54,330 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-01-29 22:42:54,331 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-01-29 22:42:54,333 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-01-29 22:42:54,335 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-01-29 22:42:54,336 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-01-29 22:42:54,337 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-01-29 22:42:54,337 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-01-29 22:42:54,338 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-01-29 22:42:54,339 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-01-29 22:42:54,340 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-01-29 22:42:54,342 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-01-29 22:42:54,344 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-01-29 22:42:54,347 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-01-29 22:42:54,348 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-01-29 22:42:54,349 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-01-29 22:42:54,351 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-01-29 22:42:54,352 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-01-29 22:42:54,352 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-01-29 22:42:54,353 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-01-29 22:42:54,354 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-01-29 22:42:54,355 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-01-29 22:42:54,355 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-01-29 22:42:54,356 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring...
[2018-01-29 22:42:54,356 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-01-29 22:42:54,357 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-01-29 22:42:54,357 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-01-29 22:42:54,358 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 22:42:54,366 INFO L110 SettingsManager]: Loading preferences was successful
[2018-01-29 22:42:54,366 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-01-29 22:42:54,367 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-01-29 22:42:54,367 INFO L133 SettingsManager]: * to procedures, called more than once=true
[2018-01-29 22:42:54,367 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-01-29 22:42:54,367 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain
[2018-01-29 22:42:54,367 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2018-01-29 22:42:54,368 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-01-29 22:42:54,368 INFO L133 SettingsManager]: * sizeof long=4
[2018-01-29 22:42:54,368 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-01-29 22:42:54,368 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-01-29 22:42:54,368 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-01-29 22:42:54,369 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-01-29 22:42:54,369 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-01-29 22:42:54,369 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-01-29 22:42:54,369 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-01-29 22:42:54,369 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-01-29 22:42:54,369 INFO L133 SettingsManager]: * sizeof long double=12
[2018-01-29 22:42:54,369 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-01-29 22:42:54,370 INFO L133 SettingsManager]: * Size of a code block=SingleStatement
[2018-01-29 22:42:54,370 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-01-29 22:42:54,370 INFO L133 SettingsManager]: * Add additional assume for each assert=false
[2018-01-29 22:42:54,370 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-01-29 22:42:54,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-01-29 22:42:54,371 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-01-29 22:42:54,371 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK
[2018-01-29 22:42:54,371 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-01-29 22:42:54,371 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-01-29 22:42:54,371 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL
[2018-01-29 22:42:54,371 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2018-01-29 22:42:54,371 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-01-29 22:42:54,372 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-01-29 22:42:54,372 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2018-01-29 22:42:54,372 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR
[2018-01-29 22:42:54,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-01-29 22:42:54,415 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-01-29 22:42:54,418 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-01-29 22:42:54,419 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-01-29 22:42:54,420 INFO L276 PluginConnector]: CDTParser initialized
[2018-01-29 22:42:54,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i
[2018-01-29 22:42:54,573 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-01-29 22:42:54,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-01-29 22:42:54,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-01-29 22:42:54,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-01-29 22:42:54,584 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-01-29 22:42:54,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:42:54" (1/1) ...
[2018-01-29 22:42:54,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76bfa5b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:42:54, skipping insertion in model container
[2018-01-29 22:42:54,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:42:54" (1/1) ...
[2018-01-29 22:42:54,600 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-01-29 22:42:54,638 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-01-29 22:42:54,765 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-01-29 22:42:54,783 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-01-29 22:42:54,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:42:54 WrapperNode
[2018-01-29 22:42:54,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-01-29 22:42:54,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-01-29 22:42:54,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-01-29 22:42:54,793 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-01-29 22:42:54,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:42:54" (1/1) ...
[2018-01-29 22:42:54,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:42:54" (1/1) ...
[2018-01-29 22:42:54,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:42:54" (1/1) ...
[2018-01-29 22:42:54,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:42:54" (1/1) ...
[2018-01-29 22:42:54,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:42:54" (1/1) ...
[2018-01-29 22:42:54,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:42:54" (1/1) ...
[2018-01-29 22:42:54,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:42:54" (1/1) ...
[2018-01-29 22:42:54,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-01-29 22:42:54,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-01-29 22:42:54,831 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-01-29 22:42:54,832 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-01-29 22:42:54,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:42:54" (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 22:42:54,884 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-01-29 22:42:54,884 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-01-29 22:42:54,884 INFO L136 BoogieDeclarations]: Found implementation of procedure cmemchr
[2018-01-29 22:42:54,884 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-01-29 22:42:54,884 INFO L128 BoogieDeclarations]: Found specification of procedure write~int
[2018-01-29 22:42:54,884 INFO L128 BoogieDeclarations]: Found specification of procedure read~int
[2018-01-29 22:42:54,884 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-01-29 22:42:54,884 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-01-29 22:42:54,885 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-01-29 22:42:54,885 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-01-29 22:42:54,885 INFO L128 BoogieDeclarations]: Found specification of procedure cmemchr
[2018-01-29 22:42:54,885 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-01-29 22:42:54,885 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-01-29 22:42:54,885 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-01-29 22:42:55,082 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-01-29 22:42:55,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:42:55 BoogieIcfgContainer
[2018-01-29 22:42:55,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-01-29 22:42:55,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-01-29 22:42:55,084 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-01-29 22:42:55,087 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-01-29 22:42:55,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:42:54" (1/3) ...
[2018-01-29 22:42:55,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700d33ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:42:55, skipping insertion in model container
[2018-01-29 22:42:55,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:42:54" (2/3) ...
[2018-01-29 22:42:55,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700d33ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:42:55, skipping insertion in model container
[2018-01-29 22:42:55,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:42:55" (3/3) ...
[2018-01-29 22:42:55,090 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i
[2018-01-29 22:42:55,097 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-01-29 22:42:55,104 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations.
[2018-01-29 22:42:55,158 INFO L322 AbstractCegarLoop]: Interprodecural is true
[2018-01-29 22:42:55,159 INFO L323 AbstractCegarLoop]: Hoare is true
[2018-01-29 22:42:55,159 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-01-29 22:42:55,159 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK
[2018-01-29 22:42:55,159 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-01-29 22:42:55,159 INFO L327 AbstractCegarLoop]: Difference is false
[2018-01-29 22:42:55,159 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-01-29 22:42:55,160 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-01-29 22:42:55,161 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-01-29 22:42:55,181 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states.
[2018-01-29 22:42:55,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2018-01-29 22:42:55,189 INFO L342 BasicCegarLoop]: Found error trace
[2018-01-29 22:42:55,190 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-29 22:42:55,190 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cmemchrErr1RequiresViolation, cmemchrErr0RequiresViolation, mainErr0EnsuresViolation]===
[2018-01-29 22:42:55,196 INFO L82 PathProgramCache]: Analyzing trace with hash -453553776, now seen corresponding path program 1 times
[2018-01-29 22:42:55,199 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-29 22:42:55,200 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-29 22:42:55,258 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-29 22:42:55,258 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-29 22:42:55,258 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-29 22:42:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-01-29 22:42:55,321 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-01-29 22:42:55,550 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 22:42:55,553 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-01-29 22:42:55,554 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2018-01-29 22:42:55,556 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states
[2018-01-29 22:42:55,571 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2018-01-29 22:42:55,572 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2018-01-29 22:42:55,575 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 8 states.
[2018-01-29 22:42:55,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-01-29 22:42:55,880 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions.
[2018-01-29 22:42:55,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2018-01-29 22:42:55,881 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29
[2018-01-29 22:42:55,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-01-29 22:42:55,893 INFO L225 Difference]: With dead ends: 71
[2018-01-29 22:42:55,893 INFO L226 Difference]: Without dead ends: 55
[2018-01-29 22:42:55,896 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132
[2018-01-29 22:42:55,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states.
[2018-01-29 22:42:55,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52.
[2018-01-29 22:42:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states.
[2018-01-29 22:42:55,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions.
[2018-01-29 22:42:55,929 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 29
[2018-01-29 22:42:55,930 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-01-29 22:42:55,930 INFO L432 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions.
[2018-01-29 22:42:55,930 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2018-01-29 22:42:55,930 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions.
[2018-01-29 22:42:55,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2018-01-29 22:42:55,931 INFO L342 BasicCegarLoop]: Found error trace
[2018-01-29 22:42:55,931 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-29 22:42:55,931 INFO L371 AbstractCegarLoop]: === Iteration 2 === [cmemchrErr1RequiresViolation, cmemchrErr0RequiresViolation, mainErr0EnsuresViolation]===
[2018-01-29 22:42:55,932 INFO L82 PathProgramCache]: Analyzing trace with hash -453553775, now seen corresponding path program 1 times
[2018-01-29 22:42:55,932 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-29 22:42:55,932 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-29 22:42:55,933 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-29 22:42:55,933 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-29 22:42:55,933 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-29 22:42:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-01-29 22:42:55,960 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-01-29 22:42:56,155 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 22:42:56,155 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-01-29 22:42:56,155 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2018-01-29 22:42:56,158 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states
[2018-01-29 22:42:56,158 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2018-01-29 22:42:56,159 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2018-01-29 22:42:56,159 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand 9 states.
[2018-01-29 22:42:56,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-01-29 22:42:56,338 INFO L93 Difference]: Finished difference Result 60 states and 65 transitions.
[2018-01-29 22:42:56,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2018-01-29 22:42:56,338 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29
[2018-01-29 22:42:56,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-01-29 22:42:56,340 INFO L225 Difference]: With dead ends: 60
[2018-01-29 22:42:56,340 INFO L226 Difference]: Without dead ends: 59
[2018-01-29 22:42:56,341 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182
[2018-01-29 22:42:56,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2018-01-29 22:42:56,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 56.
[2018-01-29 22:42:56,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states.
[2018-01-29 22:42:56,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions.
[2018-01-29 22:42:56,350 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 29
[2018-01-29 22:42:56,350 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-01-29 22:42:56,350 INFO L432 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions.
[2018-01-29 22:42:56,350 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2018-01-29 22:42:56,350 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions.
[2018-01-29 22:42:56,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2018-01-29 22:42:56,352 INFO L342 BasicCegarLoop]: Found error trace
[2018-01-29 22:42:56,352 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-29 22:42:56,352 INFO L371 AbstractCegarLoop]: === Iteration 3 === [cmemchrErr1RequiresViolation, cmemchrErr0RequiresViolation, mainErr0EnsuresViolation]===
[2018-01-29 22:42:56,352 INFO L82 PathProgramCache]: Analyzing trace with hash 234120788, now seen corresponding path program 1 times
[2018-01-29 22:42:56,352 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-29 22:42:56,353 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-29 22:42:56,354 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-29 22:42:56,354 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-29 22:42:56,354 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-29 22:42:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-01-29 22:42:56,375 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-01-29 22:42:56,448 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 22:42:56,449 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-01-29 22:42:56,449 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-01-29 22:42:56,449 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-01-29 22:42:56,450 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-01-29 22:42:56,450 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2018-01-29 22:42:56,450 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 4 states.
[2018-01-29 22:42:56,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-01-29 22:42:56,543 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions.
[2018-01-29 22:42:56,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-01-29 22:42:56,544 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32
[2018-01-29 22:42:56,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-01-29 22:42:56,545 INFO L225 Difference]: With dead ends: 56
[2018-01-29 22:42:56,545 INFO L226 Difference]: Without dead ends: 43
[2018-01-29 22:42:56,546 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 22:42:56,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2018-01-29 22:42:56,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43.
[2018-01-29 22:42:56,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states.
[2018-01-29 22:42:56,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions.
[2018-01-29 22:42:56,553 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 32
[2018-01-29 22:42:56,554 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-01-29 22:42:56,554 INFO L432 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions.
[2018-01-29 22:42:56,554 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-01-29 22:42:56,554 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions.
[2018-01-29 22:42:56,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2018-01-29 22:42:56,555 INFO L342 BasicCegarLoop]: Found error trace
[2018-01-29 22:42:56,556 INFO L350 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-29 22:42:56,556 INFO L371 AbstractCegarLoop]: === Iteration 4 === [cmemchrErr1RequiresViolation, cmemchrErr0RequiresViolation, mainErr0EnsuresViolation]===
[2018-01-29 22:42:56,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1405293010, now seen corresponding path program 1 times
[2018-01-29 22:42:56,556 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-29 22:42:56,556 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-29 22:42:56,557 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-29 22:42:56,558 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-29 22:42:56,558 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-29 22:42:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-01-29 22:42:56,582 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-01-29 22:42:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-01-29 22:42:56,915 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-01-29 22:42:56,915 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2018-01-29 22:42:56,922 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-29 22:42:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-01-29 22:42:56,970 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-01-29 22:42:57,027 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
[2018-01-29 22:42:57,030 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-01-29 22:42:57,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-01-29 22:42:57,040 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9
[2018-01-29 22:42:57,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-01-29 22:42:57,375 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-01-29 22:42:57,400 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 26
[2018-01-29 22:42:57,401 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states
[2018-01-29 22:42:57,401 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2018-01-29 22:42:57,401 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=641, Unknown=0, NotChecked=0, Total=702
[2018-01-29 22:42:57,401 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 27 states.
[2018-01-29 22:42:58,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-01-29 22:42:58,108 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions.
[2018-01-29 22:42:58,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2018-01-29 22:42:58,109 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 40
[2018-01-29 22:42:58,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-01-29 22:42:58,110 INFO L225 Difference]: With dead ends: 57
[2018-01-29 22:42:58,110 INFO L226 Difference]: Without dead ends: 56
[2018-01-29 22:42:58,111 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=224, Invalid=1416, Unknown=0, NotChecked=0, Total=1640
[2018-01-29 22:42:58,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2018-01-29 22:42:58,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54.
[2018-01-29 22:42:58,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states.
[2018-01-29 22:42:58,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions.
[2018-01-29 22:42:58,118 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 40
[2018-01-29 22:42:58,118 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-01-29 22:42:58,118 INFO L432 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions.
[2018-01-29 22:42:58,119 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states.
[2018-01-29 22:42:58,119 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions.
[2018-01-29 22:42:58,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2018-01-29 22:42:58,120 INFO L342 BasicCegarLoop]: Found error trace
[2018-01-29 22:42:58,120 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-29 22:42:58,121 INFO L371 AbstractCegarLoop]: === Iteration 5 === [cmemchrErr1RequiresViolation, cmemchrErr0RequiresViolation, mainErr0EnsuresViolation]===
[2018-01-29 22:42:58,121 INFO L82 PathProgramCache]: Analyzing trace with hash 277888369, now seen corresponding path program 2 times
[2018-01-29 22:42:58,121 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-29 22:42:58,121 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-29 22:42:58,122 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-29 22:42:58,122 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-29 22:42:58,122 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-29 22:42:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-01-29 22:42:58,147 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-01-29 22:42:58,497 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-01-29 22:42:58,497 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-01-29 22:42:58,497 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2018-01-29 22:42:58,509 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1
[2018-01-29 22:42:58,527 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command
[2018-01-29 22:42:58,533 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command
[2018-01-29 22:42:58,536 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat
[2018-01-29 22:42:58,539 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-01-29 22:42:58,542 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
[2018-01-29 22:42:58,543 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-01-29 22:42:58,547 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-01-29 22:42:58,547 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9
[2018-01-29 22:42:58,863 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-01-29 22:42:58,884 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-01-29 22:42:58,884 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 26
[2018-01-29 22:42:58,884 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states
[2018-01-29 22:42:58,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2018-01-29 22:42:58,885 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702
[2018-01-29 22:42:58,885 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 27 states.
[2018-01-29 22:43:00,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-01-29 22:43:00,003 INFO L93 Difference]: Finished difference Result 67 states and 70 transitions.
[2018-01-29 22:43:00,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states.
[2018-01-29 22:43:00,004 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 51
[2018-01-29 22:43:00,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-01-29 22:43:00,004 INFO L225 Difference]: With dead ends: 67
[2018-01-29 22:43:00,004 INFO L226 Difference]: Without dead ends: 0
[2018-01-29 22:43:00,005 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=314, Invalid=2338, Unknown=0, NotChecked=0, Total=2652
[2018-01-29 22:43:00,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2018-01-29 22:43:00,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2018-01-29 22:43:00,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2018-01-29 22:43:00,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2018-01-29 22:43:00,006 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51
[2018-01-29 22:43:00,007 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-01-29 22:43:00,007 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2018-01-29 22:43:00,007 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states.
[2018-01-29 22:43:00,007 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2018-01-29 22:43:00,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2018-01-29 22:43:00,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2018-01-29 22:43:00,259 WARN L146 SmtUtils]: Spent 165ms on a formula simplification. DAG size of input: 84 DAG size of output 56
[2018-01-29 22:43:00,271 INFO L399 ceAbstractionStarter]: For program point L546''''''(line 546) no Hoare annotation was computed.
[2018-01-29 22:43:00,271 INFO L399 ceAbstractionStarter]: For program point L540(lines 540 551) no Hoare annotation was computed.
[2018-01-29 22:43:00,271 INFO L399 ceAbstractionStarter]: For program point cmemchrEXIT(lines 540 551) no Hoare annotation was computed.
[2018-01-29 22:43:00,272 INFO L399 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed.
[2018-01-29 22:43:00,272 INFO L399 ceAbstractionStarter]: For program point L545(lines 545 548) no Hoare annotation was computed.
[2018-01-29 22:43:00,272 INFO L399 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed.
[2018-01-29 22:43:00,272 INFO L399 ceAbstractionStarter]: For program point cmemchrFINAL(lines 540 551) no Hoare annotation was computed.
[2018-01-29 22:43:00,272 INFO L399 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed.
[2018-01-29 22:43:00,272 INFO L399 ceAbstractionStarter]: For program point L546'''''(line 546) no Hoare annotation was computed.
[2018-01-29 22:43:00,272 INFO L399 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed.
[2018-01-29 22:43:00,272 INFO L399 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed.
[2018-01-29 22:43:00,272 INFO L402 ceAbstractionStarter]: At program point cmemchrENTRY(lines 540 551) the Hoare annotation is: true
[2018-01-29 22:43:00,272 INFO L399 ceAbstractionStarter]: For program point L546'(line 546) no Hoare annotation was computed.
[2018-01-29 22:43:00,272 INFO L399 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed.
[2018-01-29 22:43:00,272 INFO L399 ceAbstractionStarter]: For program point cmemchrErr1RequiresViolation(lines 1 565) no Hoare annotation was computed.
[2018-01-29 22:43:00,273 INFO L399 ceAbstractionStarter]: For program point L546''''(line 546) no Hoare annotation was computed.
[2018-01-29 22:43:00,273 INFO L395 ceAbstractionStarter]: At program point L545'''(lines 545 548) the Hoare annotation is: (let ((.cse8 (select |#length| cmemchr_~s.base))) (let ((.cse3 (select |#length| cmemchr_~p~3.base)) (.cse0 (= 1 (select |#valid| cmemchr_~p~3.base))) (.cse1 (= 0 cmemchr_~s.offset)) (.cse4 (= .cse8 |cmemchr_#in~n|)) (.cse5 (= 1 (select |#valid| cmemchr_~s.base))) (.cse7 (select |#length| |cmemchr_#in~s.base|))) (or (let ((.cse2 (+ cmemchr_~p~3.offset cmemchr_~n))) (and (<= 2 cmemchr_~p~3.offset) .cse0 .cse1 (<= .cse2 .cse3) (<= .cse3 .cse2) .cse4 .cse5 (<= 1 cmemchr_~n))) (let ((.cse6 (+ cmemchr_~n 1))) (and (<= .cse6 .cse3) (= cmemchr_~p~3.offset 1) .cse0 .cse1 (not (= (mod (+ .cse3 4294967295) 4294967296) 0)) .cse4 .cse5 (<= 1 .cse3) (<= .cse3 .cse6))) (< |cmemchr_#in~n| .cse7) (and (= cmemchr_~n .cse3) .cse0 .cse1 (= cmemchr_~n .cse8) .cse4 .cse5 (= cmemchr_~p~3.offset 0)) (not (= 0 |cmemchr_#in~s.offset|)) (< .cse7 |cmemchr_#in~n|) (not (= (select |#valid| |cmemchr_#in~s.base|) 1)) (< .cse7 1))))
[2018-01-29 22:43:00,273 INFO L399 ceAbstractionStarter]: For program point L540'(lines 540 551) no Hoare annotation was computed.
[2018-01-29 22:43:00,273 INFO L399 ceAbstractionStarter]: For program point L546'''''''(line 546) no Hoare annotation was computed.
[2018-01-29 22:43:00,273 INFO L399 ceAbstractionStarter]: For program point cmemchrErr0RequiresViolation(lines 1 565) no Hoare annotation was computed.
[2018-01-29 22:43:00,273 INFO L399 ceAbstractionStarter]: For program point L546''(line 546) no Hoare annotation was computed.
[2018-01-29 22:43:00,273 INFO L399 ceAbstractionStarter]: For program point L543'(lines 543 549) no Hoare annotation was computed.
[2018-01-29 22:43:00,273 INFO L399 ceAbstractionStarter]: For program point L545'(lines 545 548) no Hoare annotation was computed.
[2018-01-29 22:43:00,273 INFO L399 ceAbstractionStarter]: For program point L546'''(line 546) no Hoare annotation was computed.
[2018-01-29 22:43:00,273 INFO L399 ceAbstractionStarter]: For program point L548''(line 548) no Hoare annotation was computed.
[2018-01-29 22:43:00,274 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 565) no Hoare annotation was computed.
[2018-01-29 22:43:00,274 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 565) no Hoare annotation was computed.
[2018-01-29 22:43:00,274 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 565) the Hoare annotation is: (= |#valid| |old(#valid)|)
[2018-01-29 22:43:00,274 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 565) no Hoare annotation was computed.
[2018-01-29 22:43:00,274 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 565) the Hoare annotation is: true
[2018-01-29 22:43:00,274 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 565) no Hoare annotation was computed.
[2018-01-29 22:43:00,274 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 565) the Hoare annotation is: true
[2018-01-29 22:43:00,274 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 565) no Hoare annotation was computed.
[2018-01-29 22:43:00,274 INFO L399 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed.
[2018-01-29 22:43:00,275 INFO L399 ceAbstractionStarter]: For program point L564(line 564) no Hoare annotation was computed.
[2018-01-29 22:43:00,275 INFO L395 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (and (= main_~n~5 (select |#length| main_~nondetArea~5.base)) (= 0 |main_#t~malloc6.offset|) (<= 1 main_~n~5) (= main_~n~5 (select |#length| |main_#t~malloc6.base|)) (= 0 main_~nondetArea~5.offset) (= 1 (select |#valid| |main_#t~malloc6.base|)) (= 1 (select |#valid| main_~nondetArea~5.base)) (= (store |#valid| |main_#t~malloc6.base| 0) |old(#valid)|))
[2018-01-29 22:43:00,275 INFO L399 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed.
[2018-01-29 22:43:00,275 INFO L399 ceAbstractionStarter]: For program point L563'(line 563) no Hoare annotation was computed.
[2018-01-29 22:43:00,275 INFO L399 ceAbstractionStarter]: For program point L553'(line 553) no Hoare annotation was computed.
[2018-01-29 22:43:00,275 INFO L399 ceAbstractionStarter]: For program point L554'(line 554) no Hoare annotation was computed.
[2018-01-29 22:43:00,275 INFO L399 ceAbstractionStarter]: For program point L554''(line 554) no Hoare annotation was computed.
[2018-01-29 22:43:00,276 INFO L399 ceAbstractionStarter]: For program point L555''(line 555) no Hoare annotation was computed.
[2018-01-29 22:43:00,276 INFO L399 ceAbstractionStarter]: For program point L556''(lines 556 558) no Hoare annotation was computed.
[2018-01-29 22:43:00,276 INFO L399 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 552 565) no Hoare annotation was computed.
[2018-01-29 22:43:00,276 INFO L399 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed.
[2018-01-29 22:43:00,276 INFO L399 ceAbstractionStarter]: For program point L562'(line 562) no Hoare annotation was computed.
[2018-01-29 22:43:00,276 INFO L399 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed.
[2018-01-29 22:43:00,276 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 552 565) no Hoare annotation was computed.
[2018-01-29 22:43:00,276 INFO L399 ceAbstractionStarter]: For program point L556(lines 556 558) no Hoare annotation was computed.
[2018-01-29 22:43:00,277 INFO L399 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed.
[2018-01-29 22:43:00,277 INFO L399 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed.
[2018-01-29 22:43:00,277 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 552 565) no Hoare annotation was computed.
[2018-01-29 22:43:00,277 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 552 565) the Hoare annotation is: (= |#valid| |old(#valid)|)
[2018-01-29 22:43:00,277 INFO L399 ceAbstractionStarter]: For program point L562''(line 562) no Hoare annotation was computed.
[2018-01-29 22:43:00,277 INFO L399 ceAbstractionStarter]: For program point L555'(line 555) no Hoare annotation was computed.
[2018-01-29 22:43:00,277 INFO L399 ceAbstractionStarter]: For program point L559'(lines 559 561) no Hoare annotation was computed.
[2018-01-29 22:43:00,286 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,287 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,287 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,288 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,288 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,288 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,288 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,289 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,289 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,289 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,289 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,289 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,289 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,290 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,295 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,296 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,296 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,296 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,296 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,297 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,297 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,297 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,297 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,298 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,298 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,298 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,298 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,299 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 10:43:00 BoogieIcfgContainer
[2018-01-29 22:43:00,302 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-01-29 22:43:00,303 INFO L168 Benchmark]: Toolchain (without parser) took 5729.33 ms. Allocated memory was 303.0 MB in the beginning and 542.6 MB in the end (delta: 239.6 MB). Free memory was 263.1 MB in the beginning and 502.8 MB in the end (delta: -239.7 MB). Peak memory consumption was 188.8 MB. Max. memory is 5.3 GB.
[2018-01-29 22:43:00,304 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 303.0 MB. Free memory is still 269.1 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-01-29 22:43:00,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 212.88 ms. Allocated memory is still 303.0 MB. Free memory was 262.1 MB in the beginning and 252.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB.
[2018-01-29 22:43:00,305 INFO L168 Benchmark]: Boogie Preprocessor took 38.72 ms. Allocated memory is still 303.0 MB. Free memory was 252.0 MB in the beginning and 250.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB.
[2018-01-29 22:43:00,305 INFO L168 Benchmark]: RCFGBuilder took 252.08 ms. Allocated memory is still 303.0 MB. Free memory was 250.0 MB in the beginning and 233.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB.
[2018-01-29 22:43:00,305 INFO L168 Benchmark]: TraceAbstraction took 5217.85 ms. Allocated memory was 303.0 MB in the beginning and 542.6 MB in the end (delta: 239.6 MB). Free memory was 233.4 MB in the beginning and 502.8 MB in the end (delta: -269.4 MB). Peak memory consumption was 159.1 MB. Max. memory is 5.3 GB.
[2018-01-29 22:43:00,307 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 303.0 MB. Free memory is still 269.1 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 212.88 ms. Allocated memory is still 303.0 MB. Free memory was 262.1 MB in the beginning and 252.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 38.72 ms. Allocated memory is still 303.0 MB. Free memory was 252.0 MB in the beginning and 250.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 252.08 ms. Allocated memory is still 303.0 MB. Free memory was 250.0 MB in the beginning and 233.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 5217.85 ms. Allocated memory was 303.0 MB in the beginning and 542.6 MB in the end (delta: 239.6 MB). Free memory was 233.4 MB in the beginning and 502.8 MB in the end (delta: -269.4 MB). Peak memory consumption was 159.1 MB. Max. memory is 5.3 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: 1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: 552]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- AllSpecificationsHoldResult: All specifications hold
3 specifications checked. All of them hold
- InvariantResult [Line: 545]: Loop Invariant
[2018-01-29 22:43:00,313 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,313 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,314 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,314 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,314 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,314 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,314 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,315 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,315 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,315 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,315 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,315 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,316 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,316 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,320 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,320 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,320 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,321 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,321 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,321 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,321 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,322 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,322 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,322 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,322 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,322 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,323 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-01-29 22:43:00,323 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
Derived loop invariant: (((((((((((((2 <= p && 1 == \valid[p]) && 0 == s) && p + n <= unknown-#length-unknown[p]) && unknown-#length-unknown[p] <= p + n) && unknown-#length-unknown[s] == \old(n)) && 1 == \valid[s]) && 1 <= n) || ((((((((n + 1 <= unknown-#length-unknown[p] && p == 1) && 1 == \valid[p]) && 0 == s) && !((unknown-#length-unknown[p] + 4294967295) % 4294967296 == 0)) && unknown-#length-unknown[s] == \old(n)) && 1 == \valid[s]) && 1 <= unknown-#length-unknown[p]) && unknown-#length-unknown[p] <= n + 1)) || \old(n) < unknown-#length-unknown[s]) || ((((((n == unknown-#length-unknown[p] && 1 == \valid[p]) && 0 == s) && n == unknown-#length-unknown[s]) && unknown-#length-unknown[s] == \old(n)) && 1 == \valid[s]) && p == 0)) || !(0 == s)) || unknown-#length-unknown[s] < \old(n)) || !(\valid[s] == 1)) || unknown-#length-unknown[s] < 1
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 56 locations, 3 error locations. SAFE Result, 5.1s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 215 SDtfs, 467 SDslu, 1556 SDs, 0 SdLazy, 835 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 70 SyntacticMatches, 4 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 752 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 10 NumberOfFragments, 196 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 390 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 272 NumberOfCodeBlocks, 272 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 265 ConstructedInterpolants, 5 QuantifiedInterpolants, 93763 SizeOfPredicates, 34 NumberOfNonLiveVariables, 244 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 0/46 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-29_22-43-00-327.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-29_22-43-00-327.csv
Received shutdown request...