./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/array-memsafety/knapsack_alloca_unsafe_false-valid-deref.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for memory safety (deref-memtrack)
Using default analysis
Version 91b1670e
Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/array-memsafety/knapsack_alloca_unsafe_false-valid-deref.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e3c371bf2b529b286440432969843cbb456509fe
.........................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(valid-deref)
--- Real Ultimate output ---
This is Ultimate 0.1.24-91b1670
[2018-11-28 22:43:08,383 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-11-28 22:43:08,385 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
[2018-11-28 22:43:08,398 INFO  L177        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-11-28 22:43:08,398 INFO  L174        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-11-28 22:43:08,400 INFO  L174        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-11-28 22:43:08,401 INFO  L174        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-11-28 22:43:08,404 INFO  L174        SettingsManager]: Resetting LassoRanker preferences to default values
[2018-11-28 22:43:08,405 INFO  L174        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-11-28 22:43:08,406 INFO  L174        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-11-28 22:43:08,407 INFO  L177        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-11-28 22:43:08,408 INFO  L174        SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-11-28 22:43:08,409 INFO  L174        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-11-28 22:43:08,411 INFO  L174        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-11-28 22:43:08,412 INFO  L174        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-11-28 22:43:08,413 INFO  L174        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-11-28 22:43:08,414 INFO  L174        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-11-28 22:43:08,416 INFO  L174        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-11-28 22:43:08,419 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
[2018-11-28 22:43:08,421 INFO  L174        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-11-28 22:43:08,422 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-11-28 22:43:08,424 INFO  L174        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-11-28 22:43:08,427 INFO  L177        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-11-28 22:43:08,427 INFO  L177        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-11-28 22:43:08,428 INFO  L174        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-11-28 22:43:08,429 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-11-28 22:43:08,430 INFO  L174        SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-11-28 22:43:08,432 INFO  L174        SettingsManager]: Resetting ReqPrinter preferences to default values
[2018-11-28 22:43:08,432 INFO  L174        SettingsManager]: Resetting Witness Printer preferences to default values
[2018-11-28 22:43:08,434 INFO  L177        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-11-28 22:43:08,435 INFO  L174        SettingsManager]: Resetting CDTParser preferences to default values
[2018-11-28 22:43:08,436 INFO  L177        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-11-28 22:43:08,436 INFO  L177        SettingsManager]: ReqParser provides no preferences, ignoring...
[2018-11-28 22:43:08,436 INFO  L174        SettingsManager]: Resetting SmtParser preferences to default values
[2018-11-28 22:43:08,437 INFO  L174        SettingsManager]: Resetting Witness Parser preferences to default values
[2018-11-28 22:43:08,439 INFO  L181        SettingsManager]: Finished resetting all preferences to default values...
[2018-11-28 22:43:08,439 INFO  L98         SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2018-11-28 22:43:08,455 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-11-28 22:43:08,455 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-11-28 22:43:08,456 INFO  L131        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-11-28 22:43:08,456 INFO  L133        SettingsManager]:  * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS
[2018-11-28 22:43:08,457 INFO  L131        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-11-28 22:43:08,457 INFO  L133        SettingsManager]:  * Create parallel compositions if possible=false
[2018-11-28 22:43:08,458 INFO  L133        SettingsManager]:  * Use SBE=true
[2018-11-28 22:43:08,458 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-11-28 22:43:08,458 INFO  L133        SettingsManager]:  * sizeof long=4
[2018-11-28 22:43:08,458 INFO  L133        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2018-11-28 22:43:08,458 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-11-28 22:43:08,460 INFO  L133        SettingsManager]:  * sizeof POINTER=4
[2018-11-28 22:43:08,460 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-11-28 22:43:08,460 INFO  L133        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2018-11-28 22:43:08,460 INFO  L133        SettingsManager]:  * Bitprecise bitfields=true
[2018-11-28 22:43:08,460 INFO  L133        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2018-11-28 22:43:08,460 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-11-28 22:43:08,461 INFO  L133        SettingsManager]:  * sizeof long double=12
[2018-11-28 22:43:08,461 INFO  L133        SettingsManager]:  * Use constant arrays=true
[2018-11-28 22:43:08,461 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-11-28 22:43:08,461 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2018-11-28 22:43:08,461 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-11-28 22:43:08,463 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2018-11-28 22:43:08,463 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-11-28 22:43:08,463 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-11-28 22:43:08,463 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-11-28 22:43:08,464 INFO  L133        SettingsManager]:  * Trace refinement strategy=CAMEL
[2018-11-28 22:43:08,464 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2018-11-28 22:43:08,464 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3c371bf2b529b286440432969843cbb456509fe
[2018-11-28 22:43:08,505 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-11-28 22:43:08,519 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-11-28 22:43:08,523 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-11-28 22:43:08,525 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-11-28 22:43:08,525 INFO  L276        PluginConnector]: CDTParser initialized
[2018-11-28 22:43:08,526 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-memsafety/knapsack_alloca_unsafe_false-valid-deref.i
[2018-11-28 22:43:08,589 INFO  L221              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454b4a5e8/376e58fae08048fe87c8021070bfa9bc/FLAG5271f70e8
[2018-11-28 22:43:09,148 INFO  L307              CDTParser]: Found 1 translation units.
[2018-11-28 22:43:09,149 INFO  L161              CDTParser]: Scanning /storage/repos/svcomp/c/array-memsafety/knapsack_alloca_unsafe_false-valid-deref.i
[2018-11-28 22:43:09,179 INFO  L355              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454b4a5e8/376e58fae08048fe87c8021070bfa9bc/FLAG5271f70e8
[2018-11-28 22:43:09,409 INFO  L363              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454b4a5e8/376e58fae08048fe87c8021070bfa9bc
[2018-11-28 22:43:09,413 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-11-28 22:43:09,414 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2018-11-28 22:43:09,416 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-11-28 22:43:09,416 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-11-28 22:43:09,422 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-11-28 22:43:09,423 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:43:09" (1/1) ...
[2018-11-28 22:43:09,428 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20664d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:09, skipping insertion in model container
[2018-11-28 22:43:09,430 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:43:09" (1/1) ...
[2018-11-28 22:43:09,437 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2018-11-28 22:43:09,499 INFO  L176         MainTranslator]: Built tables and reachable declarations
[2018-11-28 22:43:09,887 INFO  L203          PostProcessor]: Analyzing one entry point: main
[2018-11-28 22:43:09,898 INFO  L191         MainTranslator]: Completed pre-run
[2018-11-28 22:43:09,963 INFO  L203          PostProcessor]: Analyzing one entry point: main
[2018-11-28 22:43:10,104 INFO  L195         MainTranslator]: Completed translation
[2018-11-28 22:43:10,110 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:10 WrapperNode
[2018-11-28 22:43:10,111 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-11-28 22:43:10,112 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-11-28 22:43:10,112 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-11-28 22:43:10,112 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-11-28 22:43:10,126 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:10" (1/1) ...
[2018-11-28 22:43:10,126 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:10" (1/1) ...
[2018-11-28 22:43:10,143 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:10" (1/1) ...
[2018-11-28 22:43:10,144 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:10" (1/1) ...
[2018-11-28 22:43:10,161 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:10" (1/1) ...
[2018-11-28 22:43:10,167 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:10" (1/1) ...
[2018-11-28 22:43:10,171 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:10" (1/1) ...
[2018-11-28 22:43:10,177 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-11-28 22:43:10,178 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-11-28 22:43:10,178 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-11-28 22:43:10,178 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-11-28 22:43:10,180 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:10" (1/1) ...
No working directory specified, using /storage/repos/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
[2018-11-28 22:43:10,252 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-11-28 22:43:10,252 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-11-28 22:43:10,252 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_32
[2018-11-28 22:43:10,252 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_64
[2018-11-28 22:43:10,253 INFO  L138     BoogieDeclarations]: Found implementation of procedure knapsack
[2018-11-28 22:43:10,253 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2018-11-28 22:43:10,253 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_32
[2018-11-28 22:43:10,253 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_64
[2018-11-28 22:43:10,254 INFO  L130     BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2018-11-28 22:43:10,254 INFO  L130     BoogieDeclarations]: Found specification of procedure atof
[2018-11-28 22:43:10,254 INFO  L130     BoogieDeclarations]: Found specification of procedure atoi
[2018-11-28 22:43:10,254 INFO  L130     BoogieDeclarations]: Found specification of procedure atol
[2018-11-28 22:43:10,256 INFO  L130     BoogieDeclarations]: Found specification of procedure atoll
[2018-11-28 22:43:10,256 INFO  L130     BoogieDeclarations]: Found specification of procedure strtod
[2018-11-28 22:43:10,256 INFO  L130     BoogieDeclarations]: Found specification of procedure strtof
[2018-11-28 22:43:10,256 INFO  L130     BoogieDeclarations]: Found specification of procedure strtold
[2018-11-28 22:43:10,257 INFO  L130     BoogieDeclarations]: Found specification of procedure strtol
[2018-11-28 22:43:10,257 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoul
[2018-11-28 22:43:10,257 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoq
[2018-11-28 22:43:10,257 INFO  L130     BoogieDeclarations]: Found specification of procedure strtouq
[2018-11-28 22:43:10,257 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoll
[2018-11-28 22:43:10,258 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoull
[2018-11-28 22:43:10,258 INFO  L130     BoogieDeclarations]: Found specification of procedure l64a
[2018-11-28 22:43:10,258 INFO  L130     BoogieDeclarations]: Found specification of procedure a64l
[2018-11-28 22:43:10,258 INFO  L130     BoogieDeclarations]: Found specification of procedure select
[2018-11-28 22:43:10,258 INFO  L130     BoogieDeclarations]: Found specification of procedure pselect
[2018-11-28 22:43:10,259 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2018-11-28 22:43:10,259 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2018-11-28 22:43:10,259 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2018-11-28 22:43:10,259 INFO  L130     BoogieDeclarations]: Found specification of procedure random
[2018-11-28 22:43:10,259 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom
[2018-11-28 22:43:10,259 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate
[2018-11-28 22:43:10,259 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate
[2018-11-28 22:43:10,260 INFO  L130     BoogieDeclarations]: Found specification of procedure random_r
[2018-11-28 22:43:10,260 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom_r
[2018-11-28 22:43:10,260 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate_r
[2018-11-28 22:43:10,260 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate_r
[2018-11-28 22:43:10,260 INFO  L130     BoogieDeclarations]: Found specification of procedure rand
[2018-11-28 22:43:10,260 INFO  L130     BoogieDeclarations]: Found specification of procedure srand
[2018-11-28 22:43:10,260 INFO  L130     BoogieDeclarations]: Found specification of procedure rand_r
[2018-11-28 22:43:10,260 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48
[2018-11-28 22:43:10,262 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48
[2018-11-28 22:43:10,262 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48
[2018-11-28 22:43:10,262 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48
[2018-11-28 22:43:10,262 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48
[2018-11-28 22:43:10,263 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48
[2018-11-28 22:43:10,263 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48
[2018-11-28 22:43:10,263 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48
[2018-11-28 22:43:10,263 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48
[2018-11-28 22:43:10,263 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48_r
[2018-11-28 22:43:10,263 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48_r
[2018-11-28 22:43:10,263 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48_r
[2018-11-28 22:43:10,263 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48_r
[2018-11-28 22:43:10,265 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48_r
[2018-11-28 22:43:10,265 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48_r
[2018-11-28 22:43:10,265 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48_r
[2018-11-28 22:43:10,265 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48_r
[2018-11-28 22:43:10,265 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48_r
[2018-11-28 22:43:10,266 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2018-11-28 22:43:10,266 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2018-11-28 22:43:10,266 INFO  L130     BoogieDeclarations]: Found specification of procedure realloc
[2018-11-28 22:43:10,266 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2018-11-28 22:43:10,266 INFO  L130     BoogieDeclarations]: Found specification of procedure cfree
[2018-11-28 22:43:10,266 INFO  L130     BoogieDeclarations]: Found specification of procedure alloca
[2018-11-28 22:43:10,266 INFO  L130     BoogieDeclarations]: Found specification of procedure valloc
[2018-11-28 22:43:10,268 INFO  L130     BoogieDeclarations]: Found specification of procedure posix_memalign
[2018-11-28 22:43:10,268 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2018-11-28 22:43:10,268 INFO  L130     BoogieDeclarations]: Found specification of procedure atexit
[2018-11-28 22:43:10,268 INFO  L130     BoogieDeclarations]: Found specification of procedure on_exit
[2018-11-28 22:43:10,268 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2018-11-28 22:43:10,268 INFO  L130     BoogieDeclarations]: Found specification of procedure _Exit
[2018-11-28 22:43:10,269 INFO  L130     BoogieDeclarations]: Found specification of procedure getenv
[2018-11-28 22:43:10,269 INFO  L130     BoogieDeclarations]: Found specification of procedure putenv
[2018-11-28 22:43:10,269 INFO  L130     BoogieDeclarations]: Found specification of procedure setenv
[2018-11-28 22:43:10,269 INFO  L130     BoogieDeclarations]: Found specification of procedure unsetenv
[2018-11-28 22:43:10,269 INFO  L130     BoogieDeclarations]: Found specification of procedure clearenv
[2018-11-28 22:43:10,269 INFO  L130     BoogieDeclarations]: Found specification of procedure mktemp
[2018-11-28 22:43:10,269 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemp
[2018-11-28 22:43:10,270 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemps
[2018-11-28 22:43:10,271 INFO  L130     BoogieDeclarations]: Found specification of procedure mkdtemp
[2018-11-28 22:43:10,271 INFO  L130     BoogieDeclarations]: Found specification of procedure system
[2018-11-28 22:43:10,271 INFO  L130     BoogieDeclarations]: Found specification of procedure realpath
[2018-11-28 22:43:10,272 INFO  L130     BoogieDeclarations]: Found specification of procedure bsearch
[2018-11-28 22:43:10,272 INFO  L130     BoogieDeclarations]: Found specification of procedure qsort
[2018-11-28 22:43:10,272 INFO  L130     BoogieDeclarations]: Found specification of procedure abs
[2018-11-28 22:43:10,272 INFO  L130     BoogieDeclarations]: Found specification of procedure labs
[2018-11-28 22:43:10,272 INFO  L130     BoogieDeclarations]: Found specification of procedure llabs
[2018-11-28 22:43:10,272 INFO  L130     BoogieDeclarations]: Found specification of procedure div
[2018-11-28 22:43:10,272 INFO  L130     BoogieDeclarations]: Found specification of procedure ldiv
[2018-11-28 22:43:10,273 INFO  L130     BoogieDeclarations]: Found specification of procedure lldiv
[2018-11-28 22:43:10,274 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt
[2018-11-28 22:43:10,274 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt
[2018-11-28 22:43:10,274 INFO  L130     BoogieDeclarations]: Found specification of procedure gcvt
[2018-11-28 22:43:10,274 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt
[2018-11-28 22:43:10,274 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt
[2018-11-28 22:43:10,275 INFO  L130     BoogieDeclarations]: Found specification of procedure qgcvt
[2018-11-28 22:43:10,275 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt_r
[2018-11-28 22:43:10,275 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt_r
[2018-11-28 22:43:10,275 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt_r
[2018-11-28 22:43:10,275 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt_r
[2018-11-28 22:43:10,275 INFO  L130     BoogieDeclarations]: Found specification of procedure mblen
[2018-11-28 22:43:10,275 INFO  L130     BoogieDeclarations]: Found specification of procedure mbtowc
[2018-11-28 22:43:10,275 INFO  L130     BoogieDeclarations]: Found specification of procedure wctomb
[2018-11-28 22:43:10,277 INFO  L130     BoogieDeclarations]: Found specification of procedure mbstowcs
[2018-11-28 22:43:10,277 INFO  L130     BoogieDeclarations]: Found specification of procedure wcstombs
[2018-11-28 22:43:10,277 INFO  L130     BoogieDeclarations]: Found specification of procedure rpmatch
[2018-11-28 22:43:10,277 INFO  L130     BoogieDeclarations]: Found specification of procedure getsubopt
[2018-11-28 22:43:10,278 INFO  L130     BoogieDeclarations]: Found specification of procedure getloadavg
[2018-11-28 22:43:10,278 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-11-28 22:43:10,278 INFO  L130     BoogieDeclarations]: Found specification of procedure knapsack
[2018-11-28 22:43:10,278 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2018-11-28 22:43:10,278 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2018-11-28 22:43:10,278 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2018-11-28 22:43:10,278 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-11-28 22:43:10,278 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-11-28 22:43:10,280 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-11-28 22:43:10,280 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-11-28 22:43:11,033 INFO  L275             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-11-28 22:43:11,033 INFO  L280             CfgBuilder]: Removed 2 assue(true) statements.
[2018-11-28 22:43:11,034 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:43:11 BoogieIcfgContainer
[2018-11-28 22:43:11,034 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-11-28 22:43:11,040 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-11-28 22:43:11,040 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2018-11-28 22:43:11,045 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2018-11-28 22:43:11,045 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:43:09" (1/3) ...
[2018-11-28 22:43:11,046 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72059cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:43:11, skipping insertion in model container
[2018-11-28 22:43:11,046 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:10" (2/3) ...
[2018-11-28 22:43:11,048 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72059cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:43:11, skipping insertion in model container
[2018-11-28 22:43:11,048 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:43:11" (3/3) ...
[2018-11-28 22:43:11,051 INFO  L112   eAbstractionObserver]: Analyzing ICFG knapsack_alloca_unsafe_false-valid-deref.i
[2018-11-28 22:43:11,062 INFO  L156   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-11-28 22:43:11,072 INFO  L168   ceAbstractionStarter]: Appying trace abstraction to program that has 21 error locations.
[2018-11-28 22:43:11,091 INFO  L257      AbstractCegarLoop]: Starting to check reachability of 21 error locations.
[2018-11-28 22:43:11,115 INFO  L133   ementStrategyFactory]: Using default assertion order modulation
[2018-11-28 22:43:11,115 INFO  L382      AbstractCegarLoop]: Interprodecural is true
[2018-11-28 22:43:11,116 INFO  L383      AbstractCegarLoop]: Hoare is false
[2018-11-28 22:43:11,116 INFO  L384      AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-11-28 22:43:11,116 INFO  L385      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2018-11-28 22:43:11,116 INFO  L386      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-11-28 22:43:11,116 INFO  L387      AbstractCegarLoop]: Difference is false
[2018-11-28 22:43:11,116 INFO  L388      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-11-28 22:43:11,116 INFO  L393      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-11-28 22:43:11,133 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states.
[2018-11-28 22:43:11,143 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-11-28 22:43:11,144 INFO  L394         BasicCegarLoop]: Found error trace
[2018-11-28 22:43:11,145 INFO  L402         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-11-28 22:43:11,148 INFO  L423      AbstractCegarLoop]: === Iteration 1 === [knapsackErr13REQUIRES_VIOLATION, knapsackErr3REQUIRES_VIOLATION, knapsackErr14REQUIRES_VIOLATION, knapsackErr4REQUIRES_VIOLATION, knapsackErr15REQUIRES_VIOLATION, knapsackErr0REQUIRES_VIOLATION, knapsackErr11REQUIRES_VIOLATION, knapsackErr1REQUIRES_VIOLATION, knapsackErr12REQUIRES_VIOLATION, knapsackErr2REQUIRES_VIOLATION, knapsackErr8REQUIRES_VIOLATION, knapsackErr19REQUIRES_VIOLATION, knapsackErr9REQUIRES_VIOLATION, knapsackErr10REQUIRES_VIOLATION, knapsackErr5REQUIRES_VIOLATION, knapsackErr16REQUIRES_VIOLATION, knapsackErr6REQUIRES_VIOLATION, knapsackErr17REQUIRES_VIOLATION, knapsackErr7REQUIRES_VIOLATION, knapsackErr18REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]===
[2018-11-28 22:43:11,155 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-28 22:43:11,155 INFO  L82        PathProgramCache]: Analyzing trace with hash -1069516704, now seen corresponding path program 1 times
[2018-11-28 22:43:11,158 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-28 22:43:11,158 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-28 22:43:11,211 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-28 22:43:11,212 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-28 22:43:11,212 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-28 22:43:11,296 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-28 22:43:11,532 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-11-28 22:43:11,535 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-28 22:43:11,536 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-11-28 22:43:11,539 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-11-28 22:43:11,553 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-11-28 22:43:11,553 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2018-11-28 22:43:11,556 INFO  L87              Difference]: Start difference. First operand 56 states. Second operand 5 states.
[2018-11-28 22:43:11,885 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-28 22:43:11,885 INFO  L93              Difference]: Finished difference Result 53 states and 58 transitions.
[2018-11-28 22:43:11,892 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2018-11-28 22:43:11,893 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 14
[2018-11-28 22:43:11,894 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-28 22:43:11,905 INFO  L225             Difference]: With dead ends: 53
[2018-11-28 22:43:11,905 INFO  L226             Difference]: Without dead ends: 50
[2018-11-28 22:43:11,908 INFO  L631         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2018-11-28 22:43:11,928 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2018-11-28 22:43:11,950 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2018-11-28 22:43:11,953 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 50 states.
[2018-11-28 22:43:11,956 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions.
[2018-11-28 22:43:11,957 INFO  L78                 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 14
[2018-11-28 22:43:11,958 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-28 22:43:11,958 INFO  L480      AbstractCegarLoop]: Abstraction has 50 states and 55 transitions.
[2018-11-28 22:43:11,958 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-11-28 22:43:11,959 INFO  L276                IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions.
[2018-11-28 22:43:11,959 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-11-28 22:43:11,959 INFO  L394         BasicCegarLoop]: Found error trace
[2018-11-28 22:43:11,960 INFO  L402         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-11-28 22:43:11,960 INFO  L423      AbstractCegarLoop]: === Iteration 2 === [knapsackErr13REQUIRES_VIOLATION, knapsackErr3REQUIRES_VIOLATION, knapsackErr14REQUIRES_VIOLATION, knapsackErr4REQUIRES_VIOLATION, knapsackErr15REQUIRES_VIOLATION, knapsackErr0REQUIRES_VIOLATION, knapsackErr11REQUIRES_VIOLATION, knapsackErr1REQUIRES_VIOLATION, knapsackErr12REQUIRES_VIOLATION, knapsackErr2REQUIRES_VIOLATION, knapsackErr8REQUIRES_VIOLATION, knapsackErr19REQUIRES_VIOLATION, knapsackErr9REQUIRES_VIOLATION, knapsackErr10REQUIRES_VIOLATION, knapsackErr5REQUIRES_VIOLATION, knapsackErr16REQUIRES_VIOLATION, knapsackErr6REQUIRES_VIOLATION, knapsackErr17REQUIRES_VIOLATION, knapsackErr7REQUIRES_VIOLATION, knapsackErr18REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]===
[2018-11-28 22:43:11,960 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-28 22:43:11,961 INFO  L82        PathProgramCache]: Analyzing trace with hash -1069516703, now seen corresponding path program 1 times
[2018-11-28 22:43:11,962 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-28 22:43:11,962 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-28 22:43:11,964 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-28 22:43:11,964 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-28 22:43:11,964 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-28 22:43:12,016 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-11-28 22:43:12,073 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-11-28 22:43:12,103 INFO  L469         BasicCegarLoop]: Counterexample might be feasible
[2018-11-28 22:43:12,160 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:43:12 BoogieIcfgContainer
[2018-11-28 22:43:12,160 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-11-28 22:43:12,160 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2018-11-28 22:43:12,161 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2018-11-28 22:43:12,161 INFO  L276        PluginConnector]: Witness Printer initialized
[2018-11-28 22:43:12,162 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:43:11" (3/4) ...
[2018-11-28 22:43:12,167 INFO  L138         WitnessPrinter]: Generating witness for reachability counterexample
[2018-11-28 22:43:12,253 INFO  L145         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2018-11-28 22:43:12,254 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2018-11-28 22:43:12,255 INFO  L168              Benchmark]: Toolchain (without parser) took 2841.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -76.4 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB.
[2018-11-28 22:43:12,258 INFO  L168              Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-11-28 22:43:12,259 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 695.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB.
[2018-11-28 22:43:12,261 INFO  L168              Benchmark]: Boogie Preprocessor took 65.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB.
[2018-11-28 22:43:12,267 INFO  L168              Benchmark]: RCFGBuilder took 855.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB.
[2018-11-28 22:43:12,271 INFO  L168              Benchmark]: TraceAbstraction took 1120.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB.
[2018-11-28 22:43:12,271 INFO  L168              Benchmark]: Witness Printer took 93.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-11-28 22:43:12,277 INFO  L336   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 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * CACSL2BoogieTranslator took 695.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB.
 * Boogie Preprocessor took 65.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB.
 * RCFGBuilder took 855.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB.
 * TraceAbstraction took 1120.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB.
 * Witness Printer took 93.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 545]: pointer dereference may fail
    pointer dereference may fail
We found a FailurePath: 
[L555]             int N = __VERIFIER_nondet_int();
[L556]             int M = __VERIFIER_nondet_int();
[L557]  COND TRUE  N < 1
[L558]             N = 1
        VAL        [M=0, N=1]
[L560]  COND TRUE  M < 1
[L561]             M = 1
        VAL        [M=1, N=1]
[L563]             int *size = (int*) __builtin_alloca (N * sizeof(int));
[L564]             int *val = (int*) __builtin_alloca (N * sizeof(int));
[L565]             int *cost = (int*) __builtin_alloca (M * sizeof(int));
[L566]             int *best = (int*) __builtin_alloca (M * sizeof(int));
        VAL        [__builtin_alloca (M * sizeof(int))={9:0}, __builtin_alloca (M * sizeof(int))={7:0}, __builtin_alloca (N * sizeof(int))={6:0}, __builtin_alloca (N * sizeof(int))={8:0}, best={9:0}, cost={7:0}, M=1, N=1, size={6:0}, val={8:0}]
[L567]  CALL       knapsack(size, val, N, cost, best, M)
        VAL        [\old(M)=1, \old(N)=1, best={9:0}, cost={7:0}, size={6:0}, val={8:0}]
[L542]             int i, j;
[L543]             j = 1
        VAL        [\old(M)=1, \old(N)=1, best={9:0}, best={9:0}, cost={7:0}, cost={7:0}, j=1, M=1, N=1, size={6:0}, size={6:0}, val={8:0}, val={8:0}]
[L543]  COND TRUE  j <= N
[L544]             i = 1
        VAL        [\old(M)=1, \old(N)=1, best={9:0}, best={9:0}, cost={7:0}, cost={7:0}, i=1, j=1, M=1, N=1, size={6:0}, size={6:0}, val={8:0}, val={8:0}]
[L544]  COND TRUE  i <= M
        VAL        [\old(M)=1, \old(N)=1, best={9:0}, best={9:0}, cost={7:0}, cost={7:0}, i=1, j=1, M=1, N=1, size={6:0}, size={6:0}, val={8:0}, val={8:0}]
[L545]             size[j]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 6 procedures, 62 locations, 21 error locations. UNSAFE Result, 1.0s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 35 SDtfs, 77 SDslu, 52 SDs, 0 SdLazy, 62 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 429 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...