java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-read.c
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This is Ultimate 0.1.23-835382a-m
[2018-04-05 17:42:43,356 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-04-05 17:42:43,358 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
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[2018-04-05 17:42:43,417 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-04-05 17:42:43,418 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-04-05 17:42:43,419 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-04-05 17:42:43,430 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
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[2018-04-05 17:42:43,451 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-04-05 17:42:43,451 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-04-05 17:42:43,452 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-04-05 17:42:43,462 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-04-05 17:42:43,463 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-04-05 17:42:43,475 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-04-05 17:42:43,478 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-04-05 17:42:43,489 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-04-05 17:42:43,490 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-04-05 17:42:43,499 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-04-05 17:42:43,508 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2018-04-05 17:42:43,508 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-04-05 17:42:43,509 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2018-04-05 17:42:43,511 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-04-05 17:42:43,512 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-04-05 17:42:43,512 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-04-05 17:42:43,513 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2018-04-05 17:42:43,514 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-04-05 17:42:43,515 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf
[2018-04-05 17:42:43,593 INFO L110 SettingsManager]: Loading preferences was successful
[2018-04-05 17:42:43,594 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-04-05 17:42:43,595 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2018-04-05 17:42:43,595 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG;
[2018-04-05 17:42:43,600 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-04-05 17:42:43,600 INFO L133 SettingsManager]: * to procedures, called more than once=true
[2018-04-05 17:42:43,601 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-04-05 17:42:43,601 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain
[2018-04-05 17:42:43,601 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2018-04-05 17:42:43,601 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults:
[2018-04-05 17:42:43,602 INFO L133 SettingsManager]: * Property to check=[] a
a: x > 42
[2018-04-05 17:42:43,602 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-04-05 17:42:43,602 INFO L133 SettingsManager]: * sizeof long=4
[2018-04-05 17:42:43,602 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-04-05 17:42:43,602 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-04-05 17:42:43,603 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-04-05 17:42:43,603 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-04-05 17:42:43,603 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-04-05 17:42:43,603 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-04-05 17:42:43,603 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-04-05 17:42:43,604 INFO L133 SettingsManager]: * sizeof long double=12
[2018-04-05 17:42:43,608 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-04-05 17:42:43,609 INFO L133 SettingsManager]: * Size of a code block=SingleStatement
[2018-04-05 17:42:43,609 INFO L133 SettingsManager]: * Add additional assume for each assert=false
[2018-04-05 17:42:43,609 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-04-05 17:42:43,609 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-04-05 17:42:43,610 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-04-05 17:42:43,610 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK
[2018-04-05 17:42:43,610 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-04-05 17:42:43,610 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-04-05 17:42:43,610 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2018-04-05 17:42:43,611 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-05 17:42:43,611 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-04-05 17:42:43,612 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2018-04-05 17:42:43,613 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR
[2018-04-05 17:42:43,613 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults:
[2018-04-05 17:42:43,613 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\
[2018-04-05 17:42:43,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-04-05 17:42:43,748 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized
[2018-04-05 17:42:43,762 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-04-05 17:42:43,767 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-04-05 17:42:43,768 INFO L276 PluginConnector]: CDTParser initialized
[2018-04-05 17:42:43,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-read.c
[2018-04-05 17:42:44,277 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG66582bc48
[2018-04-05 17:42:44,649 INFO L287 CDTParser]: IsIndexed: true
[2018-04-05 17:42:44,649 INFO L288 CDTParser]: Found 1 translation units.
[2018-04-05 17:42:44,650 INFO L168 CDTParser]: Scanning ArraysOfVariableLength2_false-valid-deref-read.c
[2018-04-05 17:42:44,654 INFO L210 ultiparseSymbolTable]: Include resolver:
[2018-04-05 17:42:44,655 INFO L215 ultiparseSymbolTable]: <empty include resolver>
[2018-04-05 17:42:44,655 INFO L218 ultiparseSymbolTable]: Function table:
[2018-04-05 17:42:44,655 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__bar ('bar') in ArraysOfVariableLength2_false-valid-deref-read.c
[2018-04-05 17:42:44,655 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__foo ('foo') in ArraysOfVariableLength2_false-valid-deref-read.c
[2018-04-05 17:42:44,655 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in ArraysOfVariableLength2_false-valid-deref-read.c
[2018-04-05 17:42:44,656 INFO L227 ultiparseSymbolTable]: Global variable table:
[2018-04-05 17:42:44,656 INFO L233 ultiparseSymbolTable]: <empty global variable table>
[2018-04-05 17:42:44,697 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG66582bc48
[2018-04-05 17:42:44,721 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-04-05 17:42:44,723 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-04-05 17:42:44,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-04-05 17:42:44,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-04-05 17:42:44,741 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-04-05 17:42:44,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:42:44" (1/1) ...
[2018-04-05 17:42:44,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2925fae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:42:44, skipping insertion in model container
[2018-04-05 17:42:44,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:42:44" (1/1) ...
[2018-04-05 17:42:44,796 INFO L167 Dispatcher]: Using SV-COMP mode
[2018-04-05 17:42:44,817 INFO L167 Dispatcher]: Using SV-COMP mode
[2018-04-05 17:42:45,147 INFO L175 PostProcessor]: Settings: Checked method=main
[2018-04-05 17:42:45,200 INFO L175 PostProcessor]: Settings: Checked method=main
[2018-04-05 17:42:45,220 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 10 non ball SCCs. Number of states in SCCs 10.
[2018-04-05 17:42:45,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:42:45 WrapperNode
[2018-04-05 17:42:45,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-04-05 17:42:45,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-04-05 17:42:45,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-04-05 17:42:45,243 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-04-05 17:42:45,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:42:45" (1/1) ...
[2018-04-05 17:42:45,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:42:45" (1/1) ...
[2018-04-05 17:42:45,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:42:45" (1/1) ...
[2018-04-05 17:42:45,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:42:45" (1/1) ...
[2018-04-05 17:42:45,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:42:45" (1/1) ...
[2018-04-05 17:42:45,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:42:45" (1/1) ...
[2018-04-05 17:42:45,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:42:45" (1/1) ...
[2018-04-05 17:42:45,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-04-05 17:42:45,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-04-05 17:42:45,347 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-04-05 17:42:45,347 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-04-05 17:42:45,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:42:45" (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
[2018-04-05 17:42:45,485 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-04-05 17:42:45,485 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-04-05 17:42:45,486 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__bar
[2018-04-05 17:42:45,486 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__foo
[2018-04-05 17:42:45,486 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-04-05 17:42:45,486 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__bar
[2018-04-05 17:42:45,487 INFO L128 BoogieDeclarations]: Found specification of procedure read~int
[2018-04-05 17:42:45,487 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fArraysOfVariableLength__false_valid_deref_read_c__foo
[2018-04-05 17:42:45,487 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-04-05 17:42:45,487 INFO L128 BoogieDeclarations]: Found specification of procedure write~int
[2018-04-05 17:42:45,487 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-04-05 17:42:45,487 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-04-05 17:42:45,488 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-04-05 17:42:45,488 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-04-05 17:42:45,488 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2018-04-05 17:42:46,484 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-04-05 17:42:46,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:42:46 BoogieIcfgContainer
[2018-04-05 17:42:46,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-04-05 17:42:46,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-04-05 17:42:46,486 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-04-05 17:42:46,489 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-04-05 17:42:46,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 05:42:44" (1/3) ...
[2018-04-05 17:42:46,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a12b0f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:42:46, skipping insertion in model container
[2018-04-05 17:42:46,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:42:45" (2/3) ...
[2018-04-05 17:42:46,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a12b0f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:42:46, skipping insertion in model container
[2018-04-05 17:42:46,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:42:46" (3/3) ...
[2018-04-05 17:42:46,493 INFO L107 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength2_false-valid-deref-read.c
[2018-04-05 17:42:46,505 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-04-05 17:42:46,533 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations.
[2018-04-05 17:42:46,635 INFO L128 ementStrategyFactory]: Using default assertion order modulation
[2018-04-05 17:42:46,636 INFO L369 AbstractCegarLoop]: Interprodecural is true
[2018-04-05 17:42:46,636 INFO L370 AbstractCegarLoop]: Hoare is true
[2018-04-05 17:42:46,636 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-04-05 17:42:46,636 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK
[2018-04-05 17:42:46,637 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-04-05 17:42:46,637 INFO L374 AbstractCegarLoop]: Difference is false
[2018-04-05 17:42:46,637 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-04-05 17:42:46,637 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-04-05 17:42:46,638 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-04-05 17:42:46,668 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states.
[2018-04-05 17:42:46,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-04-05 17:42:46,686 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-05 17:42:46,687 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-05 17:42:46,687 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]===
[2018-04-05 17:42:46,698 INFO L82 PathProgramCache]: Analyzing trace with hash 598866422, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-05 17:42:46,747 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-05 17:42:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-05 17:42:46,863 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-05 17:42:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:42:46,893 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-05 17:42:46,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:42:47,006 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-04-05 17:42:47,006 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2018-04-05 17:42:47,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states
[2018-04-05 17:42:47,027 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2018-04-05 17:42:47,028 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-04-05 17:42:47,031 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states.
[2018-04-05 17:42:47,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-05 17:42:47,086 INFO L93 Difference]: Finished difference Result 169 states and 189 transitions.
[2018-04-05 17:42:47,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2018-04-05 17:42:47,088 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14
[2018-04-05 17:42:47,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-05 17:42:47,111 INFO L225 Difference]: With dead ends: 169
[2018-04-05 17:42:47,111 INFO L226 Difference]: Without dead ends: 86
[2018-04-05 17:42:47,123 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-04-05 17:42:47,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2018-04-05 17:42:47,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86.
[2018-04-05 17:42:47,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states.
[2018-04-05 17:42:47,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions.
[2018-04-05 17:42:47,211 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 14
[2018-04-05 17:42:47,211 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-05 17:42:47,211 INFO L459 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions.
[2018-04-05 17:42:47,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2018-04-05 17:42:47,213 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions.
[2018-04-05 17:42:47,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2018-04-05 17:42:47,214 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-05 17:42:47,214 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-05 17:42:47,214 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]===
[2018-04-05 17:42:47,215 INFO L82 PathProgramCache]: Analyzing trace with hash 883394078, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-05 17:42:47,231 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-05 17:42:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-05 17:42:47,270 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-05 17:42:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:42:47,339 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-05 17:42:47,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:42:47,469 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-04-05 17:42:47,469 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4
[2018-04-05 17:42:47,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-04-05 17:42:47,471 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-04-05 17:42:47,472 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-04-05 17:42:47,479 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand 4 states.
[2018-04-05 17:42:47,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-05 17:42:47,662 INFO L93 Difference]: Finished difference Result 110 states and 118 transitions.
[2018-04-05 17:42:47,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2018-04-05 17:42:47,663 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15
[2018-04-05 17:42:47,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-05 17:42:47,670 INFO L225 Difference]: With dead ends: 110
[2018-04-05 17:42:47,671 INFO L226 Difference]: Without dead ends: 93
[2018-04-05 17:42:47,672 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-04-05 17:42:47,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2018-04-05 17:42:47,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 85.
[2018-04-05 17:42:47,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states.
[2018-04-05 17:42:47,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 89 transitions.
[2018-04-05 17:42:47,695 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 89 transitions. Word has length 15
[2018-04-05 17:42:47,695 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-05 17:42:47,695 INFO L459 AbstractCegarLoop]: Abstraction has 85 states and 89 transitions.
[2018-04-05 17:42:47,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-04-05 17:42:47,695 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions.
[2018-04-05 17:42:47,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2018-04-05 17:42:47,696 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-05 17:42:47,696 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]
[2018-04-05 17:42:47,696 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]===
[2018-04-05 17:42:47,697 INFO L82 PathProgramCache]: Analyzing trace with hash 43082517, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-05 17:42:47,725 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-05 17:42:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-05 17:42:47,763 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-05 17:42:47,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:42:47,974 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-05 17:42:48,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:42:48,182 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-04-05 17:42:48,182 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 7
[2018-04-05 17:42:48,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states
[2018-04-05 17:42:48,183 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2018-04-05 17:42:48,183 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2018-04-05 17:42:48,184 INFO L87 Difference]: Start difference. First operand 85 states and 89 transitions. Second operand 7 states.
[2018-04-05 17:42:48,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-05 17:42:48,757 INFO L93 Difference]: Finished difference Result 188 states and 200 transitions.
[2018-04-05 17:42:48,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2018-04-05 17:42:48,757 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21
[2018-04-05 17:42:48,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-05 17:42:48,760 INFO L225 Difference]: With dead ends: 188
[2018-04-05 17:42:48,760 INFO L226 Difference]: Without dead ends: 114
[2018-04-05 17:42:48,761 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2018-04-05 17:42:48,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states.
[2018-04-05 17:42:48,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 107.
[2018-04-05 17:42:48,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states.
[2018-04-05 17:42:48,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 113 transitions.
[2018-04-05 17:42:48,781 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 113 transitions. Word has length 21
[2018-04-05 17:42:48,781 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-05 17:42:48,782 INFO L459 AbstractCegarLoop]: Abstraction has 107 states and 113 transitions.
[2018-04-05 17:42:48,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2018-04-05 17:42:48,782 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 113 transitions.
[2018-04-05 17:42:48,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2018-04-05 17:42:48,783 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-05 17:42:48,783 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, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-05 17:42:48,783 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]===
[2018-04-05 17:42:48,784 INFO L82 PathProgramCache]: Analyzing trace with hash 283568854, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-05 17:42:48,826 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-05 17:42:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-05 17:42:48,879 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-05 17:42:48,957 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
[2018-04-05 17:42:48,960 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-04-05 17:42:48,986 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-04-05 17:42:48,987 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5
[2018-04-05 17:42:49,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:42:49,153 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-05 17:42:49,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-05 17:42:49,253 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-04-05 17:42:49,253 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4
[2018-04-05 17:42:49,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-04-05 17:42:49,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-04-05 17:42:49,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2018-04-05 17:42:49,254 INFO L87 Difference]: Start difference. First operand 107 states and 113 transitions. Second operand 5 states.
[2018-04-05 17:42:49,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-05 17:42:49,694 INFO L93 Difference]: Finished difference Result 107 states and 113 transitions.
[2018-04-05 17:42:49,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-04-05 17:42:49,695 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29
[2018-04-05 17:42:49,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-05 17:42:49,702 INFO L225 Difference]: With dead ends: 107
[2018-04-05 17:42:49,702 INFO L226 Difference]: Without dead ends: 105
[2018-04-05 17:42:49,703 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2018-04-05 17:42:49,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states.
[2018-04-05 17:42:49,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105.
[2018-04-05 17:42:49,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states.
[2018-04-05 17:42:49,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 111 transitions.
[2018-04-05 17:42:49,725 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 111 transitions. Word has length 29
[2018-04-05 17:42:49,727 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-05 17:42:49,727 INFO L459 AbstractCegarLoop]: Abstraction has 105 states and 111 transitions.
[2018-04-05 17:42:49,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-04-05 17:42:49,727 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 111 transitions.
[2018-04-05 17:42:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2018-04-05 17:42:49,728 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-05 17:42:49,728 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, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-05 17:42:49,729 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]===
[2018-04-05 17:42:49,729 INFO L82 PathProgramCache]: Analyzing trace with hash 283568855, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-05 17:42:49,737 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-05 17:42:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-04-05 17:42:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-04-05 17:42:49,902 INFO L421 BasicCegarLoop]: Counterexample might be feasible
[2018-04-05 17:42:49,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 05:42:49 BoogieIcfgContainer
[2018-04-05 17:42:49,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-04-05 17:42:49,967 INFO L168 Benchmark]: Toolchain (without parser) took 5245.39 ms. Allocated memory was 309.3 MB in the beginning and 474.5 MB in the end (delta: 165.2 MB). Free memory was 251.9 MB in the beginning and 329.1 MB in the end (delta: -77.2 MB). Peak memory consumption was 87.9 MB. Max. memory is 5.3 GB.
[2018-04-05 17:42:49,968 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 309.3 MB. Free memory is still 270.4 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-04-05 17:42:49,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 518.58 ms. Allocated memory is still 309.3 MB. Free memory was 251.9 MB in the beginning and 241.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB.
[2018-04-05 17:42:49,969 INFO L168 Benchmark]: Boogie Preprocessor took 102.73 ms. Allocated memory is still 309.3 MB. Free memory was 241.9 MB in the beginning and 239.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB.
[2018-04-05 17:42:49,970 INFO L168 Benchmark]: RCFGBuilder took 1138.37 ms. Allocated memory was 309.3 MB in the beginning and 474.5 MB in the end (delta: 165.2 MB). Free memory was 239.9 MB in the beginning and 434.5 MB in the end (delta: -194.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 5.3 GB.
[2018-04-05 17:42:49,971 INFO L168 Benchmark]: TraceAbstraction took 3480.07 ms. Allocated memory is still 474.5 MB. Free memory was 434.5 MB in the beginning and 329.1 MB in the end (delta: 105.4 MB). Peak memory consumption was 105.4 MB. Max. memory is 5.3 GB.
[2018-04-05 17:42:49,974 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 309.3 MB. Free memory is still 270.4 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 518.58 ms. Allocated memory is still 309.3 MB. Free memory was 251.9 MB in the beginning and 241.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 102.73 ms. Allocated memory is still 309.3 MB. Free memory was 241.9 MB in the beginning and 239.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 1138.37 ms. Allocated memory was 309.3 MB in the beginning and 474.5 MB in the end (delta: 165.2 MB). Free memory was 239.9 MB in the beginning and 434.5 MB in the end (delta: -194.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 3480.07 ms. Allocated memory is still 474.5 MB. Free memory was 434.5 MB in the beginning and 329.1 MB in the end (delta: 105.4 MB). Peak memory consumption was 105.4 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={7:0}]
[L33] i = 0
VAL [b={7:0}, i=0]
[L33] COND TRUE i < 100
VAL [b={7:0}, i=0]
[L34] CALL foo(i, b, i)
VAL [\old(n)=0, \old(size)=0, b={7:0}]
[L21] FCALL int a[n], i;
VAL [\old(n)=0, \old(size)=0, a={6:0}, b={7:0}, b={7:0}, n=0, size=0]
[L21] int a[n], i;
VAL [\old(n)=0, \old(size)=0, a={6:0}, b={7:0}, b={7:0}, n=0, size=0]
[L22] i = 0
VAL [\old(n)=0, \old(size)=0, a={6:0}, b={7:0}, b={7:0}, i=0, n=0, size=0]
[L22] COND FALSE !(i < size)
VAL [\old(n)=0, \old(size)=0, a={6:0}, b={7:0}, b={7:0}, i=0, n=0, size=0]
[L25] CALL bar(a, size + 1)
VAL [\old(size)=1, b={6:0}]
[L12] int res = 0, i;
VAL [\old(size)=1, b={6:0}, b={6:0}, res=0, size=1]
[L12] int res = 0, i;
VAL [\old(size)=1, b={6:0}, b={6:0}, res=0, size=1]
[L13] i = 0
VAL [\old(size)=1, b={6:0}, b={6:0}, i=0, res=0, size=1]
[L13] COND TRUE i < size
VAL [\old(size)=1, b={6:0}, b={6:0}, i=0, res=0, size=1]
[L14] FCALL b[i]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 89 locations, 11 error locations. UNSAFE Result, 3.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 323 SDtfs, 167 SDslu, 484 SDs, 0 SdLazy, 155 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 7162 SizeOfPredicates, 5 NumberOfNonLiveVariables, 256 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-05_17-42-49-987.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-05_17-42-49-987.csv
Received shutdown request...