./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/s3liff.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 678e0110
Calling Ultimate with: /usr/bin/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/AutomizerReach.xml -i ../sv-benchmarks/c/array-fpi/s3liff.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aafa53e8bc448dd2e5457504125331636c182449
...................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
--- Real Ultimate output ---
This is Ultimate 0.1.24-678e011
[2019-11-19 20:50:15,896 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-19 20:50:15,899 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-19 20:50:15,917 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-19 20:50:15,918 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-19 20:50:15,920 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-19 20:50:15,921 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-19 20:50:15,923 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-19 20:50:15,925 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-19 20:50:15,926 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-19 20:50:15,927 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-19 20:50:15,928 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-19 20:50:15,929 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-19 20:50:15,930 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-19 20:50:15,931 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-19 20:50:15,932 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-19 20:50:15,933 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-19 20:50:15,934 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-19 20:50:15,936 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-19 20:50:15,938 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-19 20:50:15,940 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-19 20:50:15,941 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-19 20:50:15,942 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-19 20:50:15,943 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-19 20:50:15,945 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-19 20:50:15,946 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-19 20:50:15,946 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-19 20:50:15,947 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-19 20:50:15,947 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-19 20:50:15,948 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-19 20:50:15,949 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-19 20:50:15,949 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-19 20:50:15,950 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-19 20:50:15,951 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-19 20:50:15,952 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-19 20:50:15,952 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-19 20:50:15,953 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-19 20:50:15,953 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-19 20:50:15,954 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-19 20:50:15,955 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-19 20:50:15,955 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-19 20:50:15,956 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2019-11-19 20:50:15,980 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-19 20:50:15,981 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-19 20:50:15,982 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-19 20:50:15,983 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-19 20:50:15,983 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-19 20:50:15,983 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-19 20:50:15,984 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-19 20:50:15,984 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-19 20:50:15,984 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-19 20:50:15,985 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-19 20:50:15,985 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-19 20:50:15,985 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-19 20:50:15,985 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-19 20:50:15,986 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-19 20:50:15,986 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-19 20:50:15,986 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-19 20:50:15,987 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-19 20:50:15,987 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-19 20:50:15,987 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-19 20:50:15,987 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-19 20:50:15,988 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-19 20:50:15,988 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-19 20:50:15,988 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-19 20:50:15,989 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-19 20:50:15,989 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-19 20:50:15,989 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-19 20:50:15,989 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-19 20:50:15,990 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-19 20:50:15,990 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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 ! call(__VERIFIER_error())) )


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 -> aafa53e8bc448dd2e5457504125331636c182449
[2019-11-19 20:50:16,313 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-19 20:50:16,327 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-19 20:50:16,330 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-19 20:50:16,332 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-19 20:50:16,333 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-19 20:50:16,333 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/s3liff.c
[2019-11-19 20:50:16,394 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e6d92c70/46f72949777a4096b7046f4168cd1ef8/FLAG371fb3cf1
[2019-11-19 20:50:16,873 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-19 20:50:16,875 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/s3liff.c
[2019-11-19 20:50:16,881 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e6d92c70/46f72949777a4096b7046f4168cd1ef8/FLAG371fb3cf1
[2019-11-19 20:50:17,208 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e6d92c70/46f72949777a4096b7046f4168cd1ef8
[2019-11-19 20:50:17,212 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-19 20:50:17,214 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2019-11-19 20:50:17,215 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-19 20:50:17,215 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-19 20:50:17,219 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-19 20:50:17,220 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:50:17" (1/1) ...
[2019-11-19 20:50:17,223 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7085391e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:50:17, skipping insertion in model container
[2019-11-19 20:50:17,223 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:50:17" (1/1) ...
[2019-11-19 20:50:17,231 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-19 20:50:17,249 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-11-19 20:50:17,467 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-19 20:50:17,477 INFO  L188         MainTranslator]: Completed pre-run
[2019-11-19 20:50:17,531 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-19 20:50:17,636 INFO  L192         MainTranslator]: Completed translation
[2019-11-19 20:50:17,638 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:50:17 WrapperNode
[2019-11-19 20:50:17,638 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-19 20:50:17,639 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-19 20:50:17,639 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-19 20:50:17,639 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-19 20:50:17,649 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:50:17" (1/1) ...
[2019-11-19 20:50:17,673 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:50:17" (1/1) ...
[2019-11-19 20:50:17,708 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-19 20:50:17,710 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-19 20:50:17,711 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-19 20:50:17,711 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-19 20:50:17,722 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:50:17" (1/1) ...
[2019-11-19 20:50:17,723 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:50:17" (1/1) ...
[2019-11-19 20:50:17,727 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:50:17" (1/1) ...
[2019-11-19 20:50:17,727 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:50:17" (1/1) ...
[2019-11-19 20:50:17,749 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:50:17" (1/1) ...
[2019-11-19 20:50:17,757 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:50:17" (1/1) ...
[2019-11-19 20:50:17,765 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:50:17" (1/1) ...
[2019-11-19 20:50:17,771 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-19 20:50:17,775 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-19 20:50:17,776 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-11-19 20:50:17,776 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-11-19 20:50:17,777 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:50:17" (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
[2019-11-19 20:50:17,849 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-11-19 20:50:17,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-11-19 20:50:17,850 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-11-19 20:50:17,850 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-19 20:50:17,852 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-19 20:50:17,852 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-11-19 20:50:17,852 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-11-19 20:50:18,162 INFO  L280             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-19 20:50:18,162 INFO  L285             CfgBuilder]: Removed 9 assume(true) statements.
[2019-11-19 20:50:18,164 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:50:18 BoogieIcfgContainer
[2019-11-19 20:50:18,164 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-19 20:50:18,165 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-11-19 20:50:18,166 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-11-19 20:50:18,169 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-11-19 20:50:18,169 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:50:17" (1/3) ...
[2019-11-19 20:50:18,170 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e70c68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:50:18, skipping insertion in model container
[2019-11-19 20:50:18,170 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:50:17" (2/3) ...
[2019-11-19 20:50:18,171 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e70c68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:50:18, skipping insertion in model container
[2019-11-19 20:50:18,171 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:50:18" (3/3) ...
[2019-11-19 20:50:18,173 INFO  L109   eAbstractionObserver]: Analyzing ICFG s3liff.c
[2019-11-19 20:50:18,199 INFO  L153   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-11-19 20:50:18,209 INFO  L165   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-11-19 20:50:18,229 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-11-19 20:50:18,252 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-11-19 20:50:18,252 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-11-19 20:50:18,252 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-11-19 20:50:18,253 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-11-19 20:50:18,253 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-11-19 20:50:18,253 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-11-19 20:50:18,253 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-11-19 20:50:18,253 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-11-19 20:50:18,266 INFO  L276                IsEmpty]: Start isEmpty. Operand 20 states.
[2019-11-19 20:50:18,272 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2019-11-19 20:50:18,272 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-19 20:50:18,273 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-19 20:50:18,274 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-19 20:50:18,280 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 20:50:18,280 INFO  L82        PathProgramCache]: Analyzing trace with hash 1306593900, now seen corresponding path program 1 times
[2019-11-19 20:50:18,289 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 20:50:18,289 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252551048]
[2019-11-19 20:50:18,290 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 20:50:18,387 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-19 20:50:18,434 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-19 20:50:18,437 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252551048]
[2019-11-19 20:50:18,438 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-19 20:50:18,439 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2019-11-19 20:50:18,440 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679246347]
[2019-11-19 20:50:18,444 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-11-19 20:50:18,444 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-19 20:50:18,455 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-11-19 20:50:18,455 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-11-19 20:50:18,458 INFO  L87              Difference]: Start difference. First operand 20 states. Second operand 2 states.
[2019-11-19 20:50:18,473 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-19 20:50:18,474 INFO  L93              Difference]: Finished difference Result 35 states and 48 transitions.
[2019-11-19 20:50:18,474 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2019-11-19 20:50:18,475 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 11
[2019-11-19 20:50:18,475 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-19 20:50:18,483 INFO  L225             Difference]: With dead ends: 35
[2019-11-19 20:50:18,483 INFO  L226             Difference]: Without dead ends: 16
[2019-11-19 20:50:18,486 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-11-19 20:50:18,506 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2019-11-19 20:50:18,521 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2019-11-19 20:50:18,523 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2019-11-19 20:50:18,523 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions.
[2019-11-19 20:50:18,525 INFO  L78                 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 11
[2019-11-19 20:50:18,525 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-19 20:50:18,528 INFO  L462      AbstractCegarLoop]: Abstraction has 16 states and 19 transitions.
[2019-11-19 20:50:18,528 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-11-19 20:50:18,529 INFO  L276                IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions.
[2019-11-19 20:50:18,529 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2019-11-19 20:50:18,530 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-19 20:50:18,530 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-19 20:50:18,531 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-19 20:50:18,531 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 20:50:18,532 INFO  L82        PathProgramCache]: Analyzing trace with hash -875432925, now seen corresponding path program 1 times
[2019-11-19 20:50:18,532 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 20:50:18,532 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477468840]
[2019-11-19 20:50:18,533 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 20:50:18,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-19 20:50:18,623 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-19 20:50:18,624 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477468840]
[2019-11-19 20:50:18,624 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-19 20:50:18,624 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-11-19 20:50:18,625 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263129784]
[2019-11-19 20:50:18,627 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-19 20:50:18,627 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-19 20:50:18,627 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-19 20:50:18,628 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-19 20:50:18,628 INFO  L87              Difference]: Start difference. First operand 16 states and 19 transitions. Second operand 3 states.
[2019-11-19 20:50:18,687 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-19 20:50:18,687 INFO  L93              Difference]: Finished difference Result 29 states and 35 transitions.
[2019-11-19 20:50:18,687 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-19 20:50:18,687 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 11
[2019-11-19 20:50:18,688 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-19 20:50:18,688 INFO  L225             Difference]: With dead ends: 29
[2019-11-19 20:50:18,688 INFO  L226             Difference]: Without dead ends: 18
[2019-11-19 20:50:18,689 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-19 20:50:18,690 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2019-11-19 20:50:18,693 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17.
[2019-11-19 20:50:18,693 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 17 states.
[2019-11-19 20:50:18,694 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions.
[2019-11-19 20:50:18,694 INFO  L78                 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 11
[2019-11-19 20:50:18,695 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-19 20:50:18,695 INFO  L462      AbstractCegarLoop]: Abstraction has 17 states and 20 transitions.
[2019-11-19 20:50:18,695 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-19 20:50:18,695 INFO  L276                IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions.
[2019-11-19 20:50:18,695 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2019-11-19 20:50:18,696 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-19 20:50:18,696 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-19 20:50:18,696 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-19 20:50:18,696 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 20:50:18,696 INFO  L82        PathProgramCache]: Analyzing trace with hash -100050171, now seen corresponding path program 1 times
[2019-11-19 20:50:18,697 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 20:50:18,697 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356720838]
[2019-11-19 20:50:18,697 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 20:50:18,728 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-19 20:50:18,788 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2019-11-19 20:50:18,788 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356720838]
[2019-11-19 20:50:18,788 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-19 20:50:18,788 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-11-19 20:50:18,789 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435674799]
[2019-11-19 20:50:18,789 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-11-19 20:50:18,790 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-19 20:50:18,790 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-11-19 20:50:18,790 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2019-11-19 20:50:18,790 INFO  L87              Difference]: Start difference. First operand 17 states and 20 transitions. Second operand 4 states.
[2019-11-19 20:50:18,875 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-19 20:50:18,875 INFO  L93              Difference]: Finished difference Result 30 states and 36 transitions.
[2019-11-19 20:50:18,875 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2019-11-19 20:50:18,876 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 13
[2019-11-19 20:50:18,876 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-19 20:50:18,876 INFO  L225             Difference]: With dead ends: 30
[2019-11-19 20:50:18,876 INFO  L226             Difference]: Without dead ends: 23
[2019-11-19 20:50:18,878 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2019-11-19 20:50:18,878 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2019-11-19 20:50:18,882 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 19.
[2019-11-19 20:50:18,882 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 19 states.
[2019-11-19 20:50:18,883 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions.
[2019-11-19 20:50:18,883 INFO  L78                 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 13
[2019-11-19 20:50:18,884 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-19 20:50:18,884 INFO  L462      AbstractCegarLoop]: Abstraction has 19 states and 22 transitions.
[2019-11-19 20:50:18,884 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-11-19 20:50:18,884 INFO  L276                IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions.
[2019-11-19 20:50:18,885 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2019-11-19 20:50:18,885 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-19 20:50:18,886 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-19 20:50:18,886 INFO  L410      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-19 20:50:18,886 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 20:50:18,886 INFO  L82        PathProgramCache]: Analyzing trace with hash 1777901324, now seen corresponding path program 1 times
[2019-11-19 20:50:18,887 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 20:50:18,887 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353219926]
[2019-11-19 20:50:18,887 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 20:50:18,921 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 20:50:18,959 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 20:50:18,987 INFO  L174   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-11-19 20:50:18,987 INFO  L475         BasicCegarLoop]: Counterexample might be feasible
[2019-11-19 20:50:19,029 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:50:19 BoogieIcfgContainer
[2019-11-19 20:50:19,029 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-11-19 20:50:19,029 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2019-11-19 20:50:19,029 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2019-11-19 20:50:19,030 INFO  L275        PluginConnector]: Witness Printer initialized
[2019-11-19 20:50:19,030 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:50:18" (3/4) ...
[2019-11-19 20:50:19,032 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2019-11-19 20:50:19,088 INFO  L141         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2019-11-19 20:50:19,088 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2019-11-19 20:50:19,090 INFO  L168              Benchmark]: Toolchain (without parser) took 1876.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 963.1 MB in the beginning and 1.0 GB in the end (delta: -83.4 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB.
[2019-11-19 20:50:19,091 INFO  L168              Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-11-19 20:50:19,092 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 423.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB.
[2019-11-19 20:50:19,092 INFO  L168              Benchmark]: Boogie Procedure Inliner took 70.97 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.
[2019-11-19 20:50:19,093 INFO  L168              Benchmark]: Boogie Preprocessor took 64.39 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.
[2019-11-19 20:50:19,093 INFO  L168              Benchmark]: RCFGBuilder took 388.76 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: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB.
[2019-11-19 20:50:19,094 INFO  L168              Benchmark]: TraceAbstraction took 863.52 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: 41.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB.
[2019-11-19 20:50:19,095 INFO  L168              Benchmark]: Witness Printer took 58.69 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB.
[2019-11-19 20:50:19,099 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * CACSL2BoogieTranslator took 423.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB.
 * Boogie Procedure Inliner took 70.97 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.
 * Boogie Preprocessor took 64.39 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.
 * RCFGBuilder took 388.76 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: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB.
 * TraceAbstraction took 863.52 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: 41.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB.
 * Witness Printer took 58.69 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L14]              int N;
       VAL         [N=0]
[L18]              N = __VERIFIER_nondet_int()
[L19]  COND FALSE  !(N <= 0)
[L22]              int i;
[L23]              long long sum[1];
[L24]              int *a = malloc(sizeof(int)*N);
[L26]              sum[0] = N
[L27]              i=0
       VAL         [N=1]
[L27]  COND TRUE   i<N
[L29]              a[i] = 1
       VAL         [N=1]
[L27]              i++
       VAL         [N=1]
[L27]  COND FALSE  !(i<N)
       VAL         [N=1]
[L32]              i=0
       VAL         [N=1]
[L32]  COND TRUE   i<N
[L34]  EXPR        a[i]
       VAL         [N=1]
[L34]  COND TRUE   a[i] == 1
[L35]  EXPR        a[i]
[L35]              a[i] = a[i] + 3
[L32]              i++
       VAL         [N=1]
[L32]  COND FALSE  !(i<N)
       VAL         [N=1]
[L41]              i=0
       VAL         [N=1]
[L41]  COND TRUE   i<N
[L43]  EXPR        sum[0]
[L43]  EXPR        a[i]
[L43]              sum[0] = sum[0] + a[i]
[L41]              i++
       VAL         [N=1]
[L41]  COND FALSE  !(i<N)
       VAL         [N=1]
[L46]              sum[0]
[L10]  COND TRUE   !(cond)
       VAL         [N=1]
[L10]              __VERIFIER_error()
       VAL         [N=1]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 20 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 48 SDtfs, 23 SDslu, 4 SDs, 0 SdLazy, 44 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 572 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...