./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test19_false-valid-free.i --full-output --architecture 32bit


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


Checking for memory safety (deref-memtrack)
Using default analysis
Version 635dfa2a
Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fbcfcb8e-19b3-40d2-b766-4cc9e021f308/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fbcfcb8e-19b3-40d2-b766-4cc9e021f308/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fbcfcb8e-19b3-40d2-b766-4cc9e021f308/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fbcfcb8e-19b3-40d2-b766-4cc9e021f308/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test19_false-valid-free.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fbcfcb8e-19b3-40d2-b766-4cc9e021f308/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fbcfcb8e-19b3-40d2-b766-4cc9e021f308/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 927b64548732fdfa523149393b95aeee194275ea
.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(valid-free)
--- Real Ultimate output ---
This is Ultimate 0.1.23-635dfa2
[2018-12-01 13:33:19,469 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-12-01 13:33:19,470 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
[2018-12-01 13:33:19,476 INFO  L177        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-12-01 13:33:19,476 INFO  L174        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-12-01 13:33:19,477 INFO  L174        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-12-01 13:33:19,477 INFO  L174        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-12-01 13:33:19,478 INFO  L174        SettingsManager]: Resetting LassoRanker preferences to default values
[2018-12-01 13:33:19,479 INFO  L174        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-12-01 13:33:19,479 INFO  L174        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-12-01 13:33:19,480 INFO  L177        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-12-01 13:33:19,480 INFO  L174        SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-12-01 13:33:19,480 INFO  L174        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-12-01 13:33:19,481 INFO  L174        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-12-01 13:33:19,481 INFO  L174        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-12-01 13:33:19,482 INFO  L174        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-12-01 13:33:19,482 INFO  L174        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-12-01 13:33:19,483 INFO  L174        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-12-01 13:33:19,484 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
[2018-12-01 13:33:19,485 INFO  L174        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-12-01 13:33:19,485 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-12-01 13:33:19,486 INFO  L174        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-12-01 13:33:19,487 INFO  L177        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-12-01 13:33:19,487 INFO  L177        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-12-01 13:33:19,487 INFO  L174        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-12-01 13:33:19,488 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-12-01 13:33:19,488 INFO  L174        SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-12-01 13:33:19,488 INFO  L174        SettingsManager]: Resetting ReqPrinter preferences to default values
[2018-12-01 13:33:19,489 INFO  L174        SettingsManager]: Resetting Witness Printer preferences to default values
[2018-12-01 13:33:19,489 INFO  L177        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-12-01 13:33:19,490 INFO  L174        SettingsManager]: Resetting CDTParser preferences to default values
[2018-12-01 13:33:19,490 INFO  L177        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-12-01 13:33:19,490 INFO  L177        SettingsManager]: ReqParser provides no preferences, ignoring...
[2018-12-01 13:33:19,490 INFO  L174        SettingsManager]: Resetting SmtParser preferences to default values
[2018-12-01 13:33:19,491 INFO  L174        SettingsManager]: Resetting Witness Parser preferences to default values
[2018-12-01 13:33:19,491 INFO  L181        SettingsManager]: Finished resetting all preferences to default values...
[2018-12-01 13:33:19,491 INFO  L98         SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fbcfcb8e-19b3-40d2-b766-4cc9e021f308/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf
[2018-12-01 13:33:19,498 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-12-01 13:33:19,498 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-12-01 13:33:19,499 INFO  L131        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-12-01 13:33:19,499 INFO  L133        SettingsManager]:  * Create parallel compositions if possible=false
[2018-12-01 13:33:19,499 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-12-01 13:33:19,499 INFO  L133        SettingsManager]:  * sizeof long=4
[2018-12-01 13:33:19,499 INFO  L133        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2018-12-01 13:33:19,499 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-12-01 13:33:19,499 INFO  L133        SettingsManager]:  * sizeof POINTER=4
[2018-12-01 13:33:19,500 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-12-01 13:33:19,500 INFO  L133        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2018-12-01 13:33:19,500 INFO  L133        SettingsManager]:  * Bitprecise bitfields=true
[2018-12-01 13:33:19,500 INFO  L133        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2018-12-01 13:33:19,500 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-12-01 13:33:19,500 INFO  L133        SettingsManager]:  * sizeof long double=12
[2018-12-01 13:33:19,500 INFO  L133        SettingsManager]:  * Use constant arrays=true
[2018-12-01 13:33:19,500 INFO  L131        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2018-12-01 13:33:19,500 INFO  L133        SettingsManager]:  * Timeout in seconds=1000000
[2018-12-01 13:33:19,500 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-12-01 13:33:19,500 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-12-01 13:33:19,500 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2018-12-01 13:33:19,501 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-12-01 13:33:19,501 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-12-01 13:33:19,501 INFO  L133        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2018-12-01 13:33:19,501 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2018-12-01 13:33:19,501 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_fbcfcb8e-19b3-40d2-b766-4cc9e021f308/bin-2019/ukojak
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 -> Kojak
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 -> 927b64548732fdfa523149393b95aeee194275ea
[2018-12-01 13:33:19,518 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-12-01 13:33:19,527 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-12-01 13:33:19,530 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-12-01 13:33:19,531 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-12-01 13:33:19,531 INFO  L276        PluginConnector]: CDTParser initialized
[2018-12-01 13:33:19,531 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fbcfcb8e-19b3-40d2-b766-4cc9e021f308/bin-2019/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test19_false-valid-free.i
[2018-12-01 13:33:19,574 INFO  L221              CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fbcfcb8e-19b3-40d2-b766-4cc9e021f308/bin-2019/ukojak/data/98a0070ce/c5f50d122c764693ab319c2293854137/FLAG918b42c7c
[2018-12-01 13:33:19,948 INFO  L307              CDTParser]: Found 1 translation units.
[2018-12-01 13:33:19,948 INFO  L161              CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fbcfcb8e-19b3-40d2-b766-4cc9e021f308/sv-benchmarks/c/ldv-memsafety/memleaks_test19_false-valid-free.i
[2018-12-01 13:33:19,955 INFO  L355              CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fbcfcb8e-19b3-40d2-b766-4cc9e021f308/bin-2019/ukojak/data/98a0070ce/c5f50d122c764693ab319c2293854137/FLAG918b42c7c
[2018-12-01 13:33:19,963 INFO  L363              CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fbcfcb8e-19b3-40d2-b766-4cc9e021f308/bin-2019/ukojak/data/98a0070ce/c5f50d122c764693ab319c2293854137
[2018-12-01 13:33:19,965 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-12-01 13:33:19,966 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2018-12-01 13:33:19,966 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-12-01 13:33:19,966 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-12-01 13:33:19,968 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-12-01 13:33:19,969 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:33:19" (1/1) ...
[2018-12-01 13:33:19,970 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142c46d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:33:19, skipping insertion in model container
[2018-12-01 13:33:19,970 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:33:19" (1/1) ...
[2018-12-01 13:33:19,974 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2018-12-01 13:33:19,996 INFO  L176         MainTranslator]: Built tables and reachable declarations
[2018-12-01 13:33:20,218 INFO  L203          PostProcessor]: Analyzing one entry point: main
[2018-12-01 13:33:20,229 INFO  L191         MainTranslator]: Completed pre-run
[2018-12-01 13:33:20,265 INFO  L203          PostProcessor]: Analyzing one entry point: main
[2018-12-01 13:33:20,305 INFO  L195         MainTranslator]: Completed translation
[2018-12-01 13:33:20,305 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:33:20 WrapperNode
[2018-12-01 13:33:20,305 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-12-01 13:33:20,306 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-12-01 13:33:20,306 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-12-01 13:33:20,306 INFO  L276        PluginConnector]: Boogie Procedure Inliner initialized
[2018-12-01 13:33:20,312 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:33:20" (1/1) ...
[2018-12-01 13:33:20,327 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:33:20" (1/1) ...
[2018-12-01 13:33:20,346 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-12-01 13:33:20,346 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-12-01 13:33:20,346 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-12-01 13:33:20,346 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-12-01 13:33:20,352 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:33:20" (1/1) ...
[2018-12-01 13:33:20,352 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:33:20" (1/1) ...
[2018-12-01 13:33:20,354 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:33:20" (1/1) ...
[2018-12-01 13:33:20,354 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:33:20" (1/1) ...
[2018-12-01 13:33:20,359 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:33:20" (1/1) ...
[2018-12-01 13:33:20,360 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:33:20" (1/1) ...
[2018-12-01 13:33:20,361 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:33:20" (1/1) ...
[2018-12-01 13:33:20,363 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-12-01 13:33:20,363 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-12-01 13:33:20,363 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-12-01 13:33:20,363 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-12-01 13:33:20,364 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:33:20" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbcfcb8e-19b3-40d2-b766-4cc9e021f308/bin-2019/ukojak/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000
[2018-12-01 13:33:20,395 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-12-01 13:33:20,396 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2018-12-01 13:33:20,396 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2018-12-01 13:33:20,396 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-12-01 13:33:20,396 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2018-12-01 13:33:20,396 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-12-01 13:33:20,396 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-12-01 13:33:20,659 INFO  L275             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-12-01 13:33:20,659 INFO  L280             CfgBuilder]: Removed 22 assue(true) statements.
[2018-12-01 13:33:20,659 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:33:20 BoogieIcfgContainer
[2018-12-01 13:33:20,659 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-12-01 13:33:20,660 INFO  L113        PluginConnector]: ------------------------CodeCheck----------------------------
[2018-12-01 13:33:20,660 INFO  L271        PluginConnector]: Initializing CodeCheck...
[2018-12-01 13:33:20,666 INFO  L276        PluginConnector]: CodeCheck initialized
[2018-12-01 13:33:20,666 INFO  L185        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:33:20" (1/1) ...
[2018-12-01 13:33:20,673 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-01 13:33:20,690 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:20,694 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 51 states and 54 transitions.
[2018-12-01 13:33:20,694 INFO  L276                IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions.
[2018-12-01 13:33:20,696 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2018-12-01 13:33:20,696 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:20,750 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:20,788 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:20,805 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:20,805 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 50 states and 53 transitions.
[2018-12-01 13:33:20,805 INFO  L276                IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions.
[2018-12-01 13:33:20,806 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2018-12-01 13:33:20,806 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:20,821 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:20,845 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:20,897 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:20,897 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 49 states and 52 transitions.
[2018-12-01 13:33:20,897 INFO  L276                IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions.
[2018-12-01 13:33:20,898 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2018-12-01 13:33:20,898 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:20,908 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:20,967 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:20,993 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:20,994 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 48 states and 51 transitions.
[2018-12-01 13:33:20,994 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions.
[2018-12-01 13:33:20,994 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2018-12-01 13:33:20,994 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:21,001 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:21,009 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:21,049 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:21,050 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions.
[2018-12-01 13:33:21,050 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions.
[2018-12-01 13:33:21,050 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2018-12-01 13:33:21,050 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:21,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:21,078 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:21,098 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:21,098 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions.
[2018-12-01 13:33:21,098 INFO  L276                IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions.
[2018-12-01 13:33:21,098 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2018-12-01 13:33:21,098 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:21,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:21,164 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:21,362 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:21,362 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 45 states and 48 transitions.
[2018-12-01 13:33:21,362 INFO  L276                IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions.
[2018-12-01 13:33:21,362 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2018-12-01 13:33:21,362 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:21,368 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:21,384 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:21,391 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:21,392 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions.
[2018-12-01 13:33:21,392 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions.
[2018-12-01 13:33:21,392 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2018-12-01 13:33:21,392 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:21,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:21,448 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:21,573 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:21,574 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 43 states and 46 transitions.
[2018-12-01 13:33:21,574 INFO  L276                IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions.
[2018-12-01 13:33:21,574 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2018-12-01 13:33:21,574 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:21,580 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:21,659 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:22,139 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:22,140 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 47 states and 53 transitions.
[2018-12-01 13:33:22,140 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions.
[2018-12-01 13:33:22,141 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2018-12-01 13:33:22,141 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:22,154 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:22,240 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:22,822 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:22,823 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions.
[2018-12-01 13:33:22,823 INFO  L276                IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions.
[2018-12-01 13:33:22,823 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2018-12-01 13:33:22,823 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:22,829 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:22,901 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:23,200 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:23,201 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 51 states and 59 transitions.
[2018-12-01 13:33:23,201 INFO  L276                IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions.
[2018-12-01 13:33:23,201 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2018-12-01 13:33:23,201 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:23,207 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:23,366 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:24,150 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:24,150 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 52 states and 60 transitions.
[2018-12-01 13:33:24,150 INFO  L276                IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions.
[2018-12-01 13:33:24,150 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2018-12-01 13:33:24,150 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:24,155 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:24,475 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:27,309 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:27,309 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 57 states and 68 transitions.
[2018-12-01 13:33:27,310 INFO  L276                IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions.
[2018-12-01 13:33:27,310 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2018-12-01 13:33:27,310 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:27,316 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:27,411 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:27,473 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:27,474 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 56 states and 67 transitions.
[2018-12-01 13:33:27,474 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions.
[2018-12-01 13:33:27,474 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2018-12-01 13:33:27,474 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:27,481 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:27,720 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:29,355 WARN  L180               SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36
[2018-12-01 13:33:31,096 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:31,097 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 66 transitions.
[2018-12-01 13:33:31,097 INFO  L276                IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions.
[2018-12-01 13:33:31,097 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2018-12-01 13:33:31,097 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:31,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:31,865 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:34,575 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:34,576 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 57 states and 68 transitions.
[2018-12-01 13:33:34,576 INFO  L276                IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions.
[2018-12-01 13:33:34,578 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2018-12-01 13:33:34,578 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:34,583 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:34,967 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:37,063 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:37,063 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 56 states and 67 transitions.
[2018-12-01 13:33:37,063 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions.
[2018-12-01 13:33:37,063 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2018-12-01 13:33:37,063 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:37,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:38,171 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:42,832 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:42,833 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 59 states and 74 transitions.
[2018-12-01 13:33:42,833 INFO  L276                IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions.
[2018-12-01 13:33:42,833 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2018-12-01 13:33:42,833 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:42,838 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:43,053 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:46,276 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:46,277 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 59 states and 73 transitions.
[2018-12-01 13:33:46,277 INFO  L276                IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions.
[2018-12-01 13:33:46,277 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2018-12-01 13:33:46,277 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:46,283 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:47,902 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:33:57,587 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:33:57,587 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions.
[2018-12-01 13:33:57,587 INFO  L276                IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions.
[2018-12-01 13:33:57,588 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2018-12-01 13:33:57,588 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:33:57,591 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:33:58,359 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:34:01,179 WARN  L180               SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 48
[2018-12-01 13:34:04,530 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:34:04,530 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions.
[2018-12-01 13:34:04,530 INFO  L276                IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions.
[2018-12-01 13:34:04,530 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2018-12-01 13:34:04,530 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:34:04,534 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:34:04,815 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:34:08,360 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:34:08,361 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions.
[2018-12-01 13:34:08,361 INFO  L276                IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions.
[2018-12-01 13:34:08,362 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2018-12-01 13:34:08,362 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:34:08,382 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:34:10,862 WARN  L180               SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 22
[2018-12-01 13:34:13,581 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:34:17,415 WARN  L180               SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51
[2018-12-01 13:34:25,994 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:34:25,994 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 85 transitions.
[2018-12-01 13:34:25,994 INFO  L276                IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions.
[2018-12-01 13:34:25,995 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2018-12-01 13:34:25,995 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:34:25,999 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:34:27,306 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:34:30,729 WARN  L180               SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44
[2018-12-01 13:34:36,548 WARN  L180               SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41
[2018-12-01 13:34:39,523 WARN  L180               SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47
[2018-12-01 13:34:46,822 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:34:46,822 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions.
[2018-12-01 13:34:46,822 INFO  L276                IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions.
[2018-12-01 13:34:46,822 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2018-12-01 13:34:46,822 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:34:46,827 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:34:48,272 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:34:55,167 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:34:55,168 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions.
[2018-12-01 13:34:55,168 INFO  L276                IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions.
[2018-12-01 13:34:55,168 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2018-12-01 13:34:55,168 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:34:55,174 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:34:57,840 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:35:01,109 WARN  L180               SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50
[2018-12-01 13:35:15,440 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:35:15,441 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 68 states and 86 transitions.
[2018-12-01 13:35:15,441 INFO  L276                IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions.
[2018-12-01 13:35:15,441 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2018-12-01 13:35:15,441 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:35:15,444 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:35:15,575 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:35:19,369 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:35:19,369 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 83 transitions.
[2018-12-01 13:35:19,370 INFO  L276                IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions.
[2018-12-01 13:35:19,370 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-12-01 13:35:19,370 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:35:19,377 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:35:21,753 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:35:25,323 WARN  L180               SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58
[2018-12-01 13:35:33,345 WARN  L180               SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44
[2018-12-01 13:35:42,320 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:35:42,321 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 71 states and 91 transitions.
[2018-12-01 13:35:42,321 INFO  L276                IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions.
[2018-12-01 13:35:42,321 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-12-01 13:35:42,321 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:35:42,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:35:43,149 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:35:47,842 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:35:47,843 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 74 states and 94 transitions.
[2018-12-01 13:35:47,843 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions.
[2018-12-01 13:35:47,843 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-12-01 13:35:47,843 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:35:47,847 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:35:51,134 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:35:53,323 WARN  L180               SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55
[2018-12-01 13:36:09,089 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:36:09,089 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 70 states and 86 transitions.
[2018-12-01 13:36:09,089 INFO  L276                IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions.
[2018-12-01 13:36:09,089 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-12-01 13:36:09,089 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:36:09,092 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:36:09,475 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:36:18,012 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:36:18,013 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions.
[2018-12-01 13:36:18,013 INFO  L276                IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions.
[2018-12-01 13:36:18,014 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-12-01 13:36:18,014 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:36:18,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:36:18,259 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:36:25,906 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:36:25,907 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 79 states and 95 transitions.
[2018-12-01 13:36:25,907 INFO  L276                IsEmpty]: Start isEmpty. Operand 79 states and 95 transitions.
[2018-12-01 13:36:25,908 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2018-12-01 13:36:25,908 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:36:25,917 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:36:29,306 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:36:49,466 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:36:49,466 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions.
[2018-12-01 13:36:49,467 INFO  L276                IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions.
[2018-12-01 13:36:49,467 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2018-12-01 13:36:49,467 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:36:49,470 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:36:56,603 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:37:11,067 WARN  L180               SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75
[2018-12-01 13:37:32,612 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:37:32,612 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 92 states and 111 transitions.
[2018-12-01 13:37:32,612 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions.
[2018-12-01 13:37:32,613 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2018-12-01 13:37:32,613 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:37:32,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:37:32,891 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:37:38,713 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:37:38,713 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 95 states and 114 transitions.
[2018-12-01 13:37:38,713 INFO  L276                IsEmpty]: Start isEmpty. Operand 95 states and 114 transitions.
[2018-12-01 13:37:38,713 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2018-12-01 13:37:38,713 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:37:38,718 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:37:38,965 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:37:41,601 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:37:41,601 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 97 states and 115 transitions.
[2018-12-01 13:37:41,601 INFO  L276                IsEmpty]: Start isEmpty. Operand 97 states and 115 transitions.
[2018-12-01 13:37:41,601 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2018-12-01 13:37:41,601 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:37:41,606 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:37:48,345 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:37:52,464 WARN  L180               SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83
[2018-12-01 13:37:59,173 WARN  L180               SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39
[2018-12-01 13:38:09,999 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:38:09,999 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 105 states and 124 transitions.
[2018-12-01 13:38:09,999 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions.
[2018-12-01 13:38:10,000 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2018-12-01 13:38:10,000 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:38:10,008 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:38:24,576 WARN  L180               SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 48
[2018-12-01 13:38:34,436 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:38:41,772 WARN  L180               SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76
[2018-12-01 13:38:46,321 WARN  L180               SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 97
[2018-12-01 13:38:47,887 WARN  L180               SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96
[2018-12-01 13:38:50,258 WARN  L180               SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 97
[2018-12-01 13:38:54,143 WARN  L180               SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82
[2018-12-01 13:39:21,398 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:39:21,399 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 113 states and 136 transitions.
[2018-12-01 13:39:21,400 INFO  L276                IsEmpty]: Start isEmpty. Operand 113 states and 136 transitions.
[2018-12-01 13:39:21,401 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2018-12-01 13:39:21,401 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:39:21,416 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:39:26,509 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:39:30,970 WARN  L180               SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76
[2018-12-01 13:39:32,251 WARN  L180               SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98
[2018-12-01 13:39:56,778 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:39:56,778 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 108 states and 130 transitions.
[2018-12-01 13:39:56,779 INFO  L276                IsEmpty]: Start isEmpty. Operand 108 states and 130 transitions.
[2018-12-01 13:39:56,779 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2018-12-01 13:39:56,779 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:39:56,787 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:39:56,930 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:40:09,851 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:40:09,852 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 101 states and 115 transitions.
[2018-12-01 13:40:09,852 INFO  L276                IsEmpty]: Start isEmpty. Operand 101 states and 115 transitions.
[2018-12-01 13:40:09,852 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2018-12-01 13:40:09,852 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:40:09,855 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:40:10,108 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:40:18,331 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:40:18,331 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions.
[2018-12-01 13:40:18,331 INFO  L276                IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions.
[2018-12-01 13:40:18,332 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2018-12-01 13:40:18,332 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:40:18,338 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 13:40:19,128 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 13:40:31,569 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-01 13:40:31,570 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 82 states and 90 transitions.
[2018-12-01 13:40:31,570 INFO  L276                IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions.
[2018-12-01 13:40:31,570 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2018-12-01 13:40:31,571 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-01 13:40:31,585 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-01 13:40:31,594 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-01 13:40:31,632 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-01 13:40:31,641 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-01 13:40:31,657 WARN  L497      CodeCheckObserver]: This program is UNSAFE, Check terminated with 43 iterations.
[2018-12-01 13:40:31,689 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 01:40:31 ImpRootNode
[2018-12-01 13:40:31,690 INFO  L132        PluginConnector]: ------------------------ END CodeCheck----------------------------
[2018-12-01 13:40:31,690 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2018-12-01 13:40:31,690 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2018-12-01 13:40:31,690 INFO  L276        PluginConnector]: Witness Printer initialized
[2018-12-01 13:40:31,691 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:33:20" (3/4) ...
[2018-12-01 13:40:31,692 INFO  L138         WitnessPrinter]: Generating witness for reachability counterexample
[2018-12-01 13:40:31,741 INFO  L145         WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fbcfcb8e-19b3-40d2-b766-4cc9e021f308/bin-2019/ukojak/witness.graphml
[2018-12-01 13:40:31,741 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2018-12-01 13:40:31,741 INFO  L168              Benchmark]: Toolchain (without parser) took 431776.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 950.6 MB in the beginning and 810.0 MB in the end (delta: 140.7 MB). Peak memory consumption was 250.8 MB. Max. memory is 11.5 GB.
[2018-12-01 13:40:31,742 INFO  L168              Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-12-01 13:40:31,742 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 339.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB.
[2018-12-01 13:40:31,743 INFO  L168              Benchmark]: Boogie Procedure Inliner took 40.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-12-01 13:40:31,743 INFO  L168              Benchmark]: Boogie Preprocessor took 16.69 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB.
[2018-12-01 13:40:31,744 INFO  L168              Benchmark]: RCFGBuilder took 296.42 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: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 11.5 GB.
[2018-12-01 13:40:31,744 INFO  L168              Benchmark]: CodeCheck took 431029.99 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -18.4 MB). Free memory was 1.1 GB in the beginning and 816.5 MB in the end (delta: 233.7 MB). Peak memory consumption was 215.3 MB. Max. memory is 11.5 GB.
[2018-12-01 13:40:31,744 INFO  L168              Benchmark]: Witness Printer took 50.85 ms. Allocated memory is still 1.1 GB. Free memory was 816.5 MB in the beginning and 810.0 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB.
[2018-12-01 13:40:31,746 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck:
  - StatisticsResult: Ultimate CodeCheck benchmark data
    CFG has 1 procedures, 63 locations, 25 error locations. UNSAFE Result, 430.9s OverallTime, 43 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -662736704 SDslu, 151036476 SDs, 0 SdLazy, 498261492 SolverSat, 2027509776 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4908 GetRequests, 3657 SyntacticMatches, 119 SemanticMatches, 1132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630175 ImplicationChecksByTransitivity, 427.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 72.7s InterpolantComputationTime, 485 NumberOfCodeBlocks, 485 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 423 ConstructedInterpolants, 0 QuantifiedInterpolants, 103843 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 42 InterpolantComputations, 42 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
  - CounterExampleResult [Line: 1478]: free of unallocated memory possible
    free of unallocated memory possible
We found a FailurePath: 
[L1135]              struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) };
[L1483]              struct A19 a19;
[L1455]              int ret = - -3;
[L1073]  COND TRUE   __VERIFIER_nondet_int()
[L1074]              return malloc(size);
[L1457]              a->q = (int *)ldv_malloc(sizeof(int))
[L1458]  EXPR        a->q
         VAL         [ldv_global_msg_list={10:0}]
[L1458]  COND FALSE  !(!a->q)
[L1073]  COND TRUE   __VERIFIER_nondet_int()
[L1074]              return malloc(size);
[L1440]              a->p = (int *)ldv_malloc(sizeof(int))
[L1441]              a->p
[L1441]  COND TRUE   a->p
[L1442]              return 0;
[L1460]              ret = f19(a)
[L1461]  COND FALSE  !(\read(ret))
[L1451]              return __VERIFIER_nondet_int();
[L1464]  COND TRUE   !g19()
[L1447]  EXPR        a->p
         VAL         [ldv_global_msg_list={10:0}]
[L1447]              free(a->p)
         VAL         [ldv_global_msg_list={10:0}]
[L1447]              free(a->p)
[L1472]  EXPR        a->q
         VAL         [ldv_global_msg_list={10:0}]
[L1472]              free(a->q)
         VAL         [ldv_global_msg_list={10:0}]
[L1472]              free(a->q)
[L1474]              return ret;
         VAL         [ldv_global_msg_list={10:0}]
[L1484]              int ret = probe_unsafe_19(&a19);
[L1486]  COND TRUE   ret==0
[L1478]  EXPR        a->q
         VAL         [ldv_global_msg_list={10:0}]
[L1478]              free(a->q)
         VAL         [ldv_global_msg_list={10:0}]
[L1478]              free(a->q)
         VAL         [ldv_global_msg_list={10:0}]

 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * CACSL2BoogieTranslator took 339.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB.
 * Boogie Procedure Inliner took 40.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB.
 * Boogie Preprocessor took 16.69 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB.
 * RCFGBuilder took 296.42 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: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 11.5 GB.
 * CodeCheck took 431029.99 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -18.4 MB). Free memory was 1.1 GB in the beginning and 816.5 MB in the end (delta: 233.7 MB). Peak memory consumption was 215.3 MB. Max. memory is 11.5 GB.
 * Witness Printer took 50.85 ms. Allocated memory is still 1.1 GB. Free memory was 816.5 MB in the beginning and 810.0 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB.
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...