java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-read.c
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This is Ultimate 0.1.23-666feb3-m
[2018-04-11 11:22:38,545 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-04-11 11:22:38,547 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-04-11 11:22:38,559 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-04-11 11:22:38,559 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-04-11 11:22:38,560 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-04-11 11:22:38,561 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-04-11 11:22:38,562 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-04-11 11:22:38,564 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-04-11 11:22:38,565 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-04-11 11:22:38,565 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-04-11 11:22:38,566 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-04-11 11:22:38,566 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-04-11 11:22:38,567 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-04-11 11:22:38,568 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-04-11 11:22:38,570 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-04-11 11:22:38,571 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-04-11 11:22:38,573 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-04-11 11:22:38,574 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-04-11 11:22:38,575 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-04-11 11:22:38,576 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-04-11 11:22:38,577 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-04-11 11:22:38,577 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-04-11 11:22:38,578 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-04-11 11:22:38,578 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-04-11 11:22:38,579 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-04-11 11:22:38,579 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-04-11 11:22:38,580 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-04-11 11:22:38,580 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-04-11 11:22:38,581 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-04-11 11:22:38,581 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-04-11 11:22:38,581 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf
[2018-04-11 11:22:38,600 INFO L110 SettingsManager]: Loading preferences was successful
[2018-04-11 11:22:38,600 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-04-11 11:22:38,601 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-04-11 11:22:38,602 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-04-11 11:22:38,602 INFO L133 SettingsManager]: * Use SBE=true
[2018-04-11 11:22:38,602 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-04-11 11:22:38,602 INFO L133 SettingsManager]: * sizeof long=4
[2018-04-11 11:22:38,602 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-04-11 11:22:38,602 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-04-11 11:22:38,602 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-04-11 11:22:38,602 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-04-11 11:22:38,602 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-04-11 11:22:38,603 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-04-11 11:22:38,603 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-04-11 11:22:38,603 INFO L133 SettingsManager]: * sizeof long double=12
[2018-04-11 11:22:38,603 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-04-11 11:22:38,603 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-04-11 11:22:38,603 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-04-11 11:22:38,603 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-04-11 11:22:38,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-04-11 11:22:38,603 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-04-11 11:22:38,603 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK
[2018-04-11 11:22:38,604 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-04-11 11:22:38,604 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false
[2018-04-11 11:22:38,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-04-11 11:22:38,644 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized
[2018-04-11 11:22:38,647 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-04-11 11:22:38,648 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-04-11 11:22:38,649 INFO L276 PluginConnector]: CDTParser initialized
[2018-04-11 11:22:38,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-read.c
[2018-04-11 11:22:38,972 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGac2cc279e
[2018-04-11 11:22:39,067 INFO L287 CDTParser]: IsIndexed: true
[2018-04-11 11:22:39,067 INFO L288 CDTParser]: Found 1 translation units.
[2018-04-11 11:22:39,067 INFO L168 CDTParser]: Scanning ArraysOfVariableLength2_false-valid-deref-read.c
[2018-04-11 11:22:39,068 INFO L210 ultiparseSymbolTable]: Include resolver:
[2018-04-11 11:22:39,068 INFO L215 ultiparseSymbolTable]: <empty include resolver>
[2018-04-11 11:22:39,068 INFO L218 ultiparseSymbolTable]: Function table:
[2018-04-11 11:22:39,068 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__bar ('bar') in ArraysOfVariableLength2_false-valid-deref-read.c
[2018-04-11 11:22:39,068 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__foo ('foo') in ArraysOfVariableLength2_false-valid-deref-read.c
[2018-04-11 11:22:39,068 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in ArraysOfVariableLength2_false-valid-deref-read.c
[2018-04-11 11:22:39,068 INFO L227 ultiparseSymbolTable]: Global variable table:
[2018-04-11 11:22:39,068 INFO L233 ultiparseSymbolTable]: <empty global variable table>
[2018-04-11 11:22:39,080 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGac2cc279e
[2018-04-11 11:22:39,084 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-04-11 11:22:39,085 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-04-11 11:22:39,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-04-11 11:22:39,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-04-11 11:22:39,091 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-04-11 11:22:39,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 11:22:39" (1/1) ...
[2018-04-11 11:22:39,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654c699b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:39, skipping insertion in model container
[2018-04-11 11:22:39,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 11:22:39" (1/1) ...
[2018-04-11 11:22:39,106 INFO L167 Dispatcher]: Using SV-COMP mode
[2018-04-11 11:22:39,117 INFO L167 Dispatcher]: Using SV-COMP mode
[2018-04-11 11:22:39,229 INFO L175 PostProcessor]: Settings: Checked method=main
[2018-04-11 11:22:39,245 INFO L175 PostProcessor]: Settings: Checked method=main
[2018-04-11 11:22:39,249 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 10 non ball SCCs. Number of states in SCCs 10.
[2018-04-11 11:22:39,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:39 WrapperNode
[2018-04-11 11:22:39,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-04-11 11:22:39,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-04-11 11:22:39,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-04-11 11:22:39,256 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-04-11 11:22:39,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:39" (1/1) ...
[2018-04-11 11:22:39,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:39" (1/1) ...
[2018-04-11 11:22:39,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:39" (1/1) ...
[2018-04-11 11:22:39,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:39" (1/1) ...
[2018-04-11 11:22:39,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:39" (1/1) ...
[2018-04-11 11:22:39,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:39" (1/1) ...
[2018-04-11 11:22:39,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:39" (1/1) ...
[2018-04-11 11:22:39,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-04-11 11:22:39,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-04-11 11:22:39,276 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-04-11 11:22:39,276 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-04-11 11:22:39,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:39" (1/1) ...
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-04-11 11:22:39,312 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-04-11 11:22:39,312 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-04-11 11:22:39,312 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__bar
[2018-04-11 11:22:39,312 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__foo
[2018-04-11 11:22:39,312 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-04-11 11:22:39,313 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__bar
[2018-04-11 11:22:39,313 INFO L128 BoogieDeclarations]: Found specification of procedure read~int
[2018-04-11 11:22:39,313 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__foo
[2018-04-11 11:22:39,313 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-04-11 11:22:39,313 INFO L128 BoogieDeclarations]: Found specification of procedure write~int
[2018-04-11 11:22:39,313 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-04-11 11:22:39,313 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-04-11 11:22:39,313 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-04-11 11:22:39,313 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-04-11 11:22:39,313 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2018-04-11 11:22:39,566 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-04-11 11:22:39,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 11:22:39 BoogieIcfgContainer
[2018-04-11 11:22:39,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-04-11 11:22:39,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-04-11 11:22:39,567 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-04-11 11:22:39,569 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-04-11 11:22:39,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 11:22:39" (1/3) ...
[2018-04-11 11:22:39,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e25f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 11:22:39, skipping insertion in model container
[2018-04-11 11:22:39,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:39" (2/3) ...
[2018-04-11 11:22:39,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e25f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 11:22:39, skipping insertion in model container
[2018-04-11 11:22:39,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 11:22:39" (3/3) ...
[2018-04-11 11:22:39,572 INFO L107 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength2_false-valid-deref-read.c
[2018-04-11 11:22:39,579 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-04-11 11:22:39,584 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations.
[2018-04-11 11:22:39,610 INFO L128 ementStrategyFactory]: Using default assertion order modulation
[2018-04-11 11:22:39,611 INFO L369 AbstractCegarLoop]: Interprodecural is true
[2018-04-11 11:22:39,611 INFO L370 AbstractCegarLoop]: Hoare is false
[2018-04-11 11:22:39,612 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-04-11 11:22:39,612 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK
[2018-04-11 11:22:39,612 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-04-11 11:22:39,612 INFO L374 AbstractCegarLoop]: Difference is false
[2018-04-11 11:22:39,612 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-04-11 11:22:39,612 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-04-11 11:22:39,613 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-04-11 11:22:39,626 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states.
[2018-04-11 11:22:39,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2018-04-11 11:22:39,634 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-11 11:22:39,635 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-11 11:22:39,635 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__barErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__barErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr3RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr1RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]===
[2018-04-11 11:22:39,638 INFO L82 PathProgramCache]: Analyzing trace with hash -2016169232, now seen corresponding path program 1 times
[2018-04-11 11:22:39,639 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-04-11 11:22:39,639 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-04-11 11:22:39,673 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-04-11 11:22:39,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-04-11 11:22:39,673 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-04-11 11:22:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-11 11:22:39,707 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-04-11 11:22:39,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-11 11:22:39,727 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-04-11 11:22:39,727 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-04-11 11:22:39,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states
[2018-04-11 11:22:39,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2018-04-11 11:22:39,739 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-04-11 11:22:39,740 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 2 states.
[2018-04-11 11:22:39,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-11 11:22:39,752 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions.
[2018-04-11 11:22:39,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2018-04-11 11:22:39,753 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13
[2018-04-11 11:22:39,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-11 11:22:39,759 INFO L225 Difference]: With dead ends: 68
[2018-04-11 11:22:39,759 INFO L226 Difference]: Without dead ends: 65
[2018-04-11 11:22:39,761 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-04-11 11:22:39,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states.
[2018-04-11 11:22:39,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65.
[2018-04-11 11:22:39,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states.
[2018-04-11 11:22:39,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions.
[2018-04-11 11:22:39,785 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 13
[2018-04-11 11:22:39,785 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-11 11:22:39,785 INFO L459 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions.
[2018-04-11 11:22:39,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2018-04-11 11:22:39,785 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions.
[2018-04-11 11:22:39,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-04-11 11:22:39,786 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-11 11:22:39,786 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-11 11:22:39,786 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__barErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__barErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr3RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr1RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]===
[2018-04-11 11:22:39,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1480772723, now seen corresponding path program 1 times
[2018-04-11 11:22:39,786 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-04-11 11:22:39,786 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-04-11 11:22:39,787 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-04-11 11:22:39,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-04-11 11:22:39,787 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-04-11 11:22:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-11 11:22:39,800 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-04-11 11:22:39,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-11 11:22:39,828 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-04-11 11:22:39,828 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-04-11 11:22:39,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-04-11 11:22:39,829 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-04-11 11:22:39,829 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-04-11 11:22:39,829 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 3 states.
[2018-04-11 11:22:39,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-11 11:22:39,880 INFO L93 Difference]: Finished difference Result 71 states and 76 transitions.
[2018-04-11 11:22:39,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2018-04-11 11:22:39,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14
[2018-04-11 11:22:39,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-11 11:22:39,883 INFO L225 Difference]: With dead ends: 71
[2018-04-11 11:22:39,883 INFO L226 Difference]: Without dead ends: 71
[2018-04-11 11:22:39,884 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-04-11 11:22:39,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2018-04-11 11:22:39,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 64.
[2018-04-11 11:22:39,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states.
[2018-04-11 11:22:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions.
[2018-04-11 11:22:39,893 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 14
[2018-04-11 11:22:39,893 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-11 11:22:39,893 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions.
[2018-04-11 11:22:39,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-04-11 11:22:39,893 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions.
[2018-04-11 11:22:39,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2018-04-11 11:22:39,894 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-11 11:22:39,894 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-11 11:22:39,894 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__barErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__barErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr3RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr1RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]===
[2018-04-11 11:22:39,894 INFO L82 PathProgramCache]: Analyzing trace with hash -759595471, now seen corresponding path program 1 times
[2018-04-11 11:22:39,894 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-04-11 11:22:39,894 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-04-11 11:22:39,895 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-04-11 11:22:39,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-04-11 11:22:39,895 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-04-11 11:22:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-11 11:22:39,911 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-04-11 11:22:39,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-11 11:22:39,967 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-04-11 11:22:39,967 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2018-04-11 11:22:39,968 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-04-11 11:22:39,968 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-04-11 11:22:39,968 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2018-04-11 11:22:39,968 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 6 states.
[2018-04-11 11:22:40,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-11 11:22:40,043 INFO L93 Difference]: Finished difference Result 85 states and 91 transitions.
[2018-04-11 11:22:40,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2018-04-11 11:22:40,043 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17
[2018-04-11 11:22:40,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-11 11:22:40,044 INFO L225 Difference]: With dead ends: 85
[2018-04-11 11:22:40,044 INFO L226 Difference]: Without dead ends: 85
[2018-04-11 11:22:40,045 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2018-04-11 11:22:40,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2018-04-11 11:22:40,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 79.
[2018-04-11 11:22:40,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states.
[2018-04-11 11:22:40,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 85 transitions.
[2018-04-11 11:22:40,049 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 85 transitions. Word has length 17
[2018-04-11 11:22:40,049 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-11 11:22:40,049 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 85 transitions.
[2018-04-11 11:22:40,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-04-11 11:22:40,049 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions.
[2018-04-11 11:22:40,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2018-04-11 11:22:40,049 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-11 11:22:40,049 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-11 11:22:40,049 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__barErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__barErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr3RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr1RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]===
[2018-04-11 11:22:40,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1050708377, now seen corresponding path program 1 times
[2018-04-11 11:22:40,050 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-04-11 11:22:40,050 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-04-11 11:22:40,050 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-04-11 11:22:40,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-04-11 11:22:40,050 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-04-11 11:22:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-11 11:22:40,063 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-04-11 11:22:40,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-11 11:22:40,093 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-04-11 11:22:40,093 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-04-11 11:22:40,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-04-11 11:22:40,093 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-04-11 11:22:40,093 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2018-04-11 11:22:40,094 INFO L87 Difference]: Start difference. First operand 79 states and 85 transitions. Second operand 5 states.
[2018-04-11 11:22:40,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-11 11:22:40,162 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions.
[2018-04-11 11:22:40,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-04-11 11:22:40,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21
[2018-04-11 11:22:40,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-11 11:22:40,164 INFO L225 Difference]: With dead ends: 77
[2018-04-11 11:22:40,164 INFO L226 Difference]: Without dead ends: 77
[2018-04-11 11:22:40,165 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2018-04-11 11:22:40,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states.
[2018-04-11 11:22:40,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77.
[2018-04-11 11:22:40,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states.
[2018-04-11 11:22:40,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 83 transitions.
[2018-04-11 11:22:40,170 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 83 transitions. Word has length 21
[2018-04-11 11:22:40,171 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-11 11:22:40,171 INFO L459 AbstractCegarLoop]: Abstraction has 77 states and 83 transitions.
[2018-04-11 11:22:40,171 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-04-11 11:22:40,171 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions.
[2018-04-11 11:22:40,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2018-04-11 11:22:40,171 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-11 11:22:40,172 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-11 11:22:40,172 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__barErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__barErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr3RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__fooErr1RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]===
[2018-04-11 11:22:40,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1050708376, now seen corresponding path program 1 times
[2018-04-11 11:22:40,172 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-04-11 11:22:40,172 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-04-11 11:22:40,173 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-04-11 11:22:40,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-04-11 11:22:40,173 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-04-11 11:22:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-04-11 11:22:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-04-11 11:22:40,216 INFO L421 BasicCegarLoop]: Counterexample might be feasible
[2018-04-11 11:22:40,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 11:22:40 BoogieIcfgContainer
[2018-04-11 11:22:40,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-04-11 11:22:40,236 INFO L168 Benchmark]: Toolchain (without parser) took 1151.65 ms. Allocated memory was 403.7 MB in the beginning and 601.9 MB in the end (delta: 198.2 MB). Free memory was 341.7 MB in the beginning and 492.6 MB in the end (delta: -150.9 MB). Peak memory consumption was 47.3 MB. Max. memory is 5.3 GB.
[2018-04-11 11:22:40,237 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 403.7 MB. Free memory is still 364.0 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-04-11 11:22:40,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.07 ms. Allocated memory is still 403.7 MB. Free memory was 341.7 MB in the beginning and 331.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB.
[2018-04-11 11:22:40,238 INFO L168 Benchmark]: Boogie Preprocessor took 19.89 ms. Allocated memory is still 403.7 MB. Free memory was 331.1 MB in the beginning and 329.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
[2018-04-11 11:22:40,238 INFO L168 Benchmark]: RCFGBuilder took 290.87 ms. Allocated memory was 403.7 MB in the beginning and 601.9 MB in the end (delta: 198.2 MB). Free memory was 329.8 MB in the beginning and 562.5 MB in the end (delta: -232.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 5.3 GB.
[2018-04-11 11:22:40,239 INFO L168 Benchmark]: TraceAbstraction took 668.15 ms. Allocated memory is still 601.9 MB. Free memory was 561.2 MB in the beginning and 492.6 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 5.3 GB.
[2018-04-11 11:22:40,240 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 403.7 MB. Free memory is still 364.0 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 170.07 ms. Allocated memory is still 403.7 MB. Free memory was 341.7 MB in the beginning and 331.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 19.89 ms. Allocated memory is still 403.7 MB. Free memory was 331.1 MB in the beginning and 329.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 290.87 ms. Allocated memory was 403.7 MB in the beginning and 601.9 MB in the end (delta: 198.2 MB). Free memory was 329.8 MB in the beginning and 562.5 MB in the end (delta: -232.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 668.15 ms. Allocated memory is still 601.9 MB. Free memory was 561.2 MB in the beginning and 492.6 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 5.3 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 14]: pointer dereference may fail
pointer dereference may fail
We found a FailurePath:
[L32] int i, b[100];
[L32] FCALL int i, b[100];
VAL [b={402:0}]
[L33] i = 0
VAL [b={402:0}, i=0]
[L33] COND TRUE i < 100
VAL [b={402:0}, i=0]
[L34] CALL foo(i, b, i)
VAL [\old(n)=0, \old(size)=0, b={402:0}]
[L21] FCALL int a[n], i;
VAL [\old(n)=0, \old(size)=0, a={404:0}, b={402:0}, b={402:0}, n=0, size=0]
[L21] int a[n], i;
[L22] i = 0
VAL [\old(n)=0, \old(size)=0, a={404:0}, b={402:0}, b={402:0}, i=0, n=0, size=0]
[L22] COND FALSE !(i < size)
VAL [\old(n)=0, \old(size)=0, a={404:0}, b={402:0}, b={402:0}, i=0, n=0, size=0]
[L25] CALL bar(a, size + 1)
VAL [\old(size)=1, b={404:0}]
[L12] int res = 0, i;
[L12] int res = 0, i;
[L13] i = 0
VAL [\old(size)=1, b={404:0}, b={404:0}, i=0, res=0, size=1]
[L13] COND TRUE i < size
VAL [\old(size)=1, b={404:0}, b={404:0}, i=0, res=0, size=1]
[L14] FCALL b[i]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 68 locations, 11 error locations. UNSAFE Result, 0.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 239 SDtfs, 94 SDslu, 306 SDs, 0 SdLazy, 125 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=3, 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, 4 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 2045 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_11-22-40-246.csv
Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_11-22-40-246.csv
Received shutdown request...