./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_clnt_1.cil-2.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version f470102c
Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a3209bc2-4d57-4ea0-bbb4-7794029ab1cd/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a3209bc2-4d57-4ea0-bbb4-7794029ab1cd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a3209bc2-4d57-4ea0-bbb4-7794029ab1cd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a3209bc2-4d57-4ea0-bbb4-7794029ab1cd/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_clnt_1.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a3209bc2-4d57-4ea0-bbb4-7794029ab1cd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a3209bc2-4d57-4ea0-bbb4-7794029ab1cd/bin/uautomizer --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 bdbeb15a4b6276d844a5889cd53cbf9564381e20
...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 0.1.25-f470102
[2019-12-07 10:36:26,894 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-12-07 10:36:26,896 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-12-07 10:36:26,903 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-12-07 10:36:26,903 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-12-07 10:36:26,904 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-12-07 10:36:26,905 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-12-07 10:36:26,906 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-12-07 10:36:26,908 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-12-07 10:36:26,908 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-12-07 10:36:26,909 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-12-07 10:36:26,910 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-12-07 10:36:26,910 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-12-07 10:36:26,910 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-12-07 10:36:26,911 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-12-07 10:36:26,912 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-12-07 10:36:26,912 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-12-07 10:36:26,913 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-12-07 10:36:26,914 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-12-07 10:36:26,916 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-12-07 10:36:26,917 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-12-07 10:36:26,918 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-12-07 10:36:26,919 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-12-07 10:36:26,919 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-12-07 10:36:26,921 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-12-07 10:36:26,921 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-12-07 10:36:26,921 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-12-07 10:36:26,922 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-12-07 10:36:26,922 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-12-07 10:36:26,923 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-12-07 10:36:26,923 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-12-07 10:36:26,923 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-12-07 10:36:26,924 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-12-07 10:36:26,924 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-12-07 10:36:26,925 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-12-07 10:36:26,925 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-12-07 10:36:26,925 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-12-07 10:36:26,925 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-12-07 10:36:26,925 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-12-07 10:36:26,926 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-12-07 10:36:26,926 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-12-07 10:36:26,927 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a3209bc2-4d57-4ea0-bbb4-7794029ab1cd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf
[2019-12-07 10:36:26,936 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-12-07 10:36:26,936 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-12-07 10:36:26,937 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-12-07 10:36:26,937 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-12-07 10:36:26,937 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-12-07 10:36:26,937 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-12-07 10:36:26,937 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-12-07 10:36:26,937 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-12-07 10:36:26,937 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-12-07 10:36:26,937 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-12-07 10:36:26,938 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-12-07 10:36:26,938 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-12-07 10:36:26,938 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-12-07 10:36:26,938 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-12-07 10:36:26,938 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-12-07 10:36:26,938 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-12-07 10:36:26,938 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-12-07 10:36:26,938 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-12-07 10:36:26,938 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-12-07 10:36:26,938 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-12-07 10:36:26,939 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-12-07 10:36:26,939 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-12-07 10:36:26,939 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-12-07 10:36:26,939 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-12-07 10:36:26,939 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-12-07 10:36:26,939 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-12-07 10:36:26,939 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-12-07 10:36:26,939 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-12-07 10:36:26,939 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2019-12-07 10:36:26,940 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_a3209bc2-4d57-4ea0-bbb4-7794029ab1cd/bin/uautomizer
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 -> bdbeb15a4b6276d844a5889cd53cbf9564381e20
[2019-12-07 10:36:27,043 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-12-07 10:36:27,053 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-12-07 10:36:27,056 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-12-07 10:36:27,057 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-12-07 10:36:27,058 INFO  L275        PluginConnector]: CDTParser initialized
[2019-12-07 10:36:27,058 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a3209bc2-4d57-4ea0-bbb4-7794029ab1cd/bin/uautomizer/../../sv-benchmarks/c/ssh-simplified/s3_clnt_1.cil-2.c
[2019-12-07 10:36:27,100 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a3209bc2-4d57-4ea0-bbb4-7794029ab1cd/bin/uautomizer/data/26442d68f/23908d33395b48a0a6beedc035527ab9/FLAGc7f80781e
[2019-12-07 10:36:27,566 INFO  L306              CDTParser]: Found 1 translation units.
[2019-12-07 10:36:27,567 INFO  L160              CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a3209bc2-4d57-4ea0-bbb4-7794029ab1cd/sv-benchmarks/c/ssh-simplified/s3_clnt_1.cil-2.c
[2019-12-07 10:36:27,573 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a3209bc2-4d57-4ea0-bbb4-7794029ab1cd/bin/uautomizer/data/26442d68f/23908d33395b48a0a6beedc035527ab9/FLAGc7f80781e
[2019-12-07 10:36:27,583 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a3209bc2-4d57-4ea0-bbb4-7794029ab1cd/bin/uautomizer/data/26442d68f/23908d33395b48a0a6beedc035527ab9
[2019-12-07 10:36:27,585 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-12-07 10:36:27,586 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2019-12-07 10:36:27,587 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-12-07 10:36:27,587 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-12-07 10:36:27,589 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-12-07 10:36:27,590 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:36:27" (1/1) ...
[2019-12-07 10:36:27,591 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d5c602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:27, skipping insertion in model container
[2019-12-07 10:36:27,591 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:36:27" (1/1) ...
[2019-12-07 10:36:27,596 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-12-07 10:36:27,621 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2019-12-07 10:36:27,793 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-12-07 10:36:27,796 INFO  L203         MainTranslator]: Completed pre-run
[2019-12-07 10:36:27,834 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-12-07 10:36:27,843 INFO  L208         MainTranslator]: Completed translation
[2019-12-07 10:36:27,843 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:27 WrapperNode
[2019-12-07 10:36:27,843 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-12-07 10:36:27,844 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-12-07 10:36:27,844 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-12-07 10:36:27,844 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-12-07 10:36:27,849 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:27" (1/1) ...
[2019-12-07 10:36:27,855 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:27" (1/1) ...
[2019-12-07 10:36:27,879 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-12-07 10:36:27,879 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-12-07 10:36:27,879 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-12-07 10:36:27,879 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-12-07 10:36:27,887 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:27" (1/1) ...
[2019-12-07 10:36:27,887 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:27" (1/1) ...
[2019-12-07 10:36:27,889 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:27" (1/1) ...
[2019-12-07 10:36:27,889 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:27" (1/1) ...
[2019-12-07 10:36:27,894 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:27" (1/1) ...
[2019-12-07 10:36:27,900 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:27" (1/1) ...
[2019-12-07 10:36:27,902 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:27" (1/1) ...
[2019-12-07 10:36:27,904 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-12-07 10:36:27,904 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-12-07 10:36:27,905 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-12-07 10:36:27,905 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-12-07 10:36:27,905 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:27" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3209bc2-4d57-4ea0-bbb4-7794029ab1cd/bin/uautomizer/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
[2019-12-07 10:36:27,945 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-12-07 10:36:27,945 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-12-07 10:36:28,020 WARN  L738   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-12-07 10:36:28,301 INFO  L691   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false;
[2019-12-07 10:36:28,301 INFO  L691   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false;
[2019-12-07 10:36:28,302 INFO  L282             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-12-07 10:36:28,302 INFO  L287             CfgBuilder]: Removed 7 assume(true) statements.
[2019-12-07 10:36:28,303 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:36:28 BoogieIcfgContainer
[2019-12-07 10:36:28,303 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-12-07 10:36:28,304 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-12-07 10:36:28,304 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-12-07 10:36:28,306 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-12-07 10:36:28,306 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:36:27" (1/3) ...
[2019-12-07 10:36:28,306 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d89478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:36:28, skipping insertion in model container
[2019-12-07 10:36:28,306 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:27" (2/3) ...
[2019-12-07 10:36:28,307 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d89478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:36:28, skipping insertion in model container
[2019-12-07 10:36:28,307 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:36:28" (3/3) ...
[2019-12-07 10:36:28,308 INFO  L109   eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-2.c
[2019-12-07 10:36:28,314 INFO  L156   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-12-07 10:36:28,319 INFO  L168   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-12-07 10:36:28,326 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-12-07 10:36:28,342 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-12-07 10:36:28,342 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-12-07 10:36:28,342 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-12-07 10:36:28,342 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-12-07 10:36:28,342 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-12-07 10:36:28,342 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-12-07 10:36:28,342 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-12-07 10:36:28,342 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-12-07 10:36:28,354 INFO  L276                IsEmpty]: Start isEmpty. Operand 126 states.
[2019-12-07 10:36:28,358 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2019-12-07 10:36:28,359 INFO  L402         BasicCegarLoop]: Found error trace
[2019-12-07 10:36:28,359 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-12-07 10:36:28,359 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-12-07 10:36:28,363 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-12-07 10:36:28,363 INFO  L82        PathProgramCache]: Analyzing trace with hash -1449582913, now seen corresponding path program 1 times
[2019-12-07 10:36:28,369 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-12-07 10:36:28,369 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773089871]
[2019-12-07 10:36:28,369 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-12-07 10:36:28,438 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-12-07 10:36:28,485 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-12-07 10:36:28,486 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773089871]
[2019-12-07 10:36:28,487 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-12-07 10:36:28,487 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2019-12-07 10:36:28,488 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559604850]
[2019-12-07 10:36:28,491 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-12-07 10:36:28,491 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-12-07 10:36:28,499 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-12-07 10:36:28,500 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-12-07 10:36:28,501 INFO  L87              Difference]: Start difference. First operand 126 states. Second operand 3 states.
[2019-12-07 10:36:28,609 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-12-07 10:36:28,609 INFO  L93              Difference]: Finished difference Result 249 states and 424 transitions.
[2019-12-07 10:36:28,609 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-12-07 10:36:28,610 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 23
[2019-12-07 10:36:28,610 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-12-07 10:36:28,618 INFO  L225             Difference]: With dead ends: 249
[2019-12-07 10:36:28,619 INFO  L226             Difference]: Without dead ends: 113
[2019-12-07 10:36:28,622 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-12-07 10:36:28,637 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2019-12-07 10:36:28,652 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113.
[2019-12-07 10:36:28,652 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 113 states.
[2019-12-07 10:36:28,654 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 170 transitions.
[2019-12-07 10:36:28,654 INFO  L78                 Accepts]: Start accepts. Automaton has 113 states and 170 transitions. Word has length 23
[2019-12-07 10:36:28,655 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-12-07 10:36:28,655 INFO  L462      AbstractCegarLoop]: Abstraction has 113 states and 170 transitions.
[2019-12-07 10:36:28,655 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-12-07 10:36:28,655 INFO  L276                IsEmpty]: Start isEmpty. Operand 113 states and 170 transitions.
[2019-12-07 10:36:28,656 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2019-12-07 10:36:28,656 INFO  L402         BasicCegarLoop]: Found error trace
[2019-12-07 10:36:28,656 INFO  L410         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-12-07 10:36:28,657 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-12-07 10:36:28,657 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-12-07 10:36:28,657 INFO  L82        PathProgramCache]: Analyzing trace with hash 1395164605, now seen corresponding path program 1 times
[2019-12-07 10:36:28,657 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-12-07 10:36:28,657 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519348237]
[2019-12-07 10:36:28,657 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-12-07 10:36:28,680 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-12-07 10:36:28,705 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-12-07 10:36:28,705 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519348237]
[2019-12-07 10:36:28,705 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-12-07 10:36:28,705 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-12-07 10:36:28,705 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502627767]
[2019-12-07 10:36:28,706 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-12-07 10:36:28,706 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-12-07 10:36:28,707 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-12-07 10:36:28,707 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-12-07 10:36:28,707 INFO  L87              Difference]: Start difference. First operand 113 states and 170 transitions. Second operand 3 states.
[2019-12-07 10:36:28,792 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-12-07 10:36:28,792 INFO  L93              Difference]: Finished difference Result 235 states and 357 transitions.
[2019-12-07 10:36:28,793 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-12-07 10:36:28,793 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 36
[2019-12-07 10:36:28,793 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-12-07 10:36:28,794 INFO  L225             Difference]: With dead ends: 235
[2019-12-07 10:36:28,795 INFO  L226             Difference]: Without dead ends: 131
[2019-12-07 10:36:28,796 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
[2019-12-07 10:36:28,796 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2019-12-07 10:36:28,805 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128.
[2019-12-07 10:36:28,805 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 128 states.
[2019-12-07 10:36:28,806 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 190 transitions.
[2019-12-07 10:36:28,806 INFO  L78                 Accepts]: Start accepts. Automaton has 128 states and 190 transitions. Word has length 36
[2019-12-07 10:36:28,807 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-12-07 10:36:28,807 INFO  L462      AbstractCegarLoop]: Abstraction has 128 states and 190 transitions.
[2019-12-07 10:36:28,807 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-12-07 10:36:28,807 INFO  L276                IsEmpty]: Start isEmpty. Operand 128 states and 190 transitions.
[2019-12-07 10:36:28,808 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2019-12-07 10:36:28,809 INFO  L402         BasicCegarLoop]: Found error trace
[2019-12-07 10:36:28,809 INFO  L410         BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-12-07 10:36:28,809 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-12-07 10:36:28,809 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-12-07 10:36:28,809 INFO  L82        PathProgramCache]: Analyzing trace with hash -462629210, now seen corresponding path program 1 times
[2019-12-07 10:36:28,809 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-12-07 10:36:28,809 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842656055]
[2019-12-07 10:36:28,810 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-12-07 10:36:28,830 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-12-07 10:36:28,863 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-12-07 10:36:28,864 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842656055]
[2019-12-07 10:36:28,864 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-12-07 10:36:28,864 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-12-07 10:36:28,864 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307444549]
[2019-12-07 10:36:28,864 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-12-07 10:36:28,864 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-12-07 10:36:28,865 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-12-07 10:36:28,865 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-12-07 10:36:28,865 INFO  L87              Difference]: Start difference. First operand 128 states and 190 transitions. Second operand 3 states.
[2019-12-07 10:36:28,947 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-12-07 10:36:28,948 INFO  L93              Difference]: Finished difference Result 268 states and 403 transitions.
[2019-12-07 10:36:28,948 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-12-07 10:36:28,948 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 50
[2019-12-07 10:36:28,948 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-12-07 10:36:28,949 INFO  L225             Difference]: With dead ends: 268
[2019-12-07 10:36:28,949 INFO  L226             Difference]: Without dead ends: 149
[2019-12-07 10:36:28,950 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
[2019-12-07 10:36:28,950 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 149 states.
[2019-12-07 10:36:28,956 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 145.
[2019-12-07 10:36:28,956 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 145 states.
[2019-12-07 10:36:28,957 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 212 transitions.
[2019-12-07 10:36:28,957 INFO  L78                 Accepts]: Start accepts. Automaton has 145 states and 212 transitions. Word has length 50
[2019-12-07 10:36:28,957 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-12-07 10:36:28,957 INFO  L462      AbstractCegarLoop]: Abstraction has 145 states and 212 transitions.
[2019-12-07 10:36:28,957 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-12-07 10:36:28,957 INFO  L276                IsEmpty]: Start isEmpty. Operand 145 states and 212 transitions.
[2019-12-07 10:36:28,959 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2019-12-07 10:36:28,959 INFO  L402         BasicCegarLoop]: Found error trace
[2019-12-07 10:36:28,959 INFO  L410         BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-12-07 10:36:28,959 INFO  L410      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-12-07 10:36:28,959 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-12-07 10:36:28,959 INFO  L82        PathProgramCache]: Analyzing trace with hash -1168372140, now seen corresponding path program 1 times
[2019-12-07 10:36:28,960 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-12-07 10:36:28,960 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72809234]
[2019-12-07 10:36:28,960 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-12-07 10:36:28,973 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-12-07 10:36:29,002 INFO  L134       CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2019-12-07 10:36:29,003 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72809234]
[2019-12-07 10:36:29,003 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-12-07 10:36:29,003 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-12-07 10:36:29,003 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380212867]
[2019-12-07 10:36:29,004 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-12-07 10:36:29,004 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-12-07 10:36:29,004 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-12-07 10:36:29,004 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-12-07 10:36:29,004 INFO  L87              Difference]: Start difference. First operand 145 states and 212 transitions. Second operand 3 states.
[2019-12-07 10:36:29,120 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-12-07 10:36:29,120 INFO  L93              Difference]: Finished difference Result 332 states and 500 transitions.
[2019-12-07 10:36:29,120 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-12-07 10:36:29,120 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 67
[2019-12-07 10:36:29,121 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-12-07 10:36:29,122 INFO  L225             Difference]: With dead ends: 332
[2019-12-07 10:36:29,122 INFO  L226             Difference]: Without dead ends: 195
[2019-12-07 10:36:29,123 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
[2019-12-07 10:36:29,124 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 195 states.
[2019-12-07 10:36:29,130 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 186.
[2019-12-07 10:36:29,130 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 186 states.
[2019-12-07 10:36:29,131 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 262 transitions.
[2019-12-07 10:36:29,131 INFO  L78                 Accepts]: Start accepts. Automaton has 186 states and 262 transitions. Word has length 67
[2019-12-07 10:36:29,131 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-12-07 10:36:29,131 INFO  L462      AbstractCegarLoop]: Abstraction has 186 states and 262 transitions.
[2019-12-07 10:36:29,131 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-12-07 10:36:29,131 INFO  L276                IsEmpty]: Start isEmpty. Operand 186 states and 262 transitions.
[2019-12-07 10:36:29,133 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2019-12-07 10:36:29,133 INFO  L402         BasicCegarLoop]: Found error trace
[2019-12-07 10:36:29,133 INFO  L410         BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-12-07 10:36:29,133 INFO  L410      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-12-07 10:36:29,133 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-12-07 10:36:29,133 INFO  L82        PathProgramCache]: Analyzing trace with hash 1321156822, now seen corresponding path program 1 times
[2019-12-07 10:36:29,133 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-12-07 10:36:29,134 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784469524]
[2019-12-07 10:36:29,134 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-12-07 10:36:29,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-12-07 10:36:29,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2019-12-07 10:36:29,170 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784469524]
[2019-12-07 10:36:29,170 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-12-07 10:36:29,170 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-12-07 10:36:29,170 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184416633]
[2019-12-07 10:36:29,171 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-12-07 10:36:29,171 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-12-07 10:36:29,171 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-12-07 10:36:29,172 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-12-07 10:36:29,172 INFO  L87              Difference]: Start difference. First operand 186 states and 262 transitions. Second operand 3 states.
[2019-12-07 10:36:29,249 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-12-07 10:36:29,250 INFO  L93              Difference]: Finished difference Result 386 states and 551 transitions.
[2019-12-07 10:36:29,250 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-12-07 10:36:29,250 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 67
[2019-12-07 10:36:29,250 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-12-07 10:36:29,251 INFO  L225             Difference]: With dead ends: 386
[2019-12-07 10:36:29,251 INFO  L226             Difference]: Without dead ends: 209
[2019-12-07 10:36:29,252 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
[2019-12-07 10:36:29,253 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 209 states.
[2019-12-07 10:36:29,260 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 205.
[2019-12-07 10:36:29,261 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 205 states.
[2019-12-07 10:36:29,262 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 286 transitions.
[2019-12-07 10:36:29,262 INFO  L78                 Accepts]: Start accepts. Automaton has 205 states and 286 transitions. Word has length 67
[2019-12-07 10:36:29,262 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-12-07 10:36:29,262 INFO  L462      AbstractCegarLoop]: Abstraction has 205 states and 286 transitions.
[2019-12-07 10:36:29,263 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-12-07 10:36:29,263 INFO  L276                IsEmpty]: Start isEmpty. Operand 205 states and 286 transitions.
[2019-12-07 10:36:29,264 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2019-12-07 10:36:29,265 INFO  L402         BasicCegarLoop]: Found error trace
[2019-12-07 10:36:29,265 INFO  L410         BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-12-07 10:36:29,265 INFO  L410      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-12-07 10:36:29,265 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-12-07 10:36:29,265 INFO  L82        PathProgramCache]: Analyzing trace with hash 2047596972, now seen corresponding path program 1 times
[2019-12-07 10:36:29,266 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-12-07 10:36:29,266 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626796148]
[2019-12-07 10:36:29,266 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-12-07 10:36:29,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-12-07 10:36:29,318 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked.
[2019-12-07 10:36:29,318 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626796148]
[2019-12-07 10:36:29,318 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-12-07 10:36:29,318 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-12-07 10:36:29,319 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014066904]
[2019-12-07 10:36:29,319 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-12-07 10:36:29,319 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-12-07 10:36:29,319 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-12-07 10:36:29,320 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-12-07 10:36:29,320 INFO  L87              Difference]: Start difference. First operand 205 states and 286 transitions. Second operand 3 states.
[2019-12-07 10:36:29,387 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-12-07 10:36:29,387 INFO  L93              Difference]: Finished difference Result 425 states and 601 transitions.
[2019-12-07 10:36:29,387 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-12-07 10:36:29,388 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 83
[2019-12-07 10:36:29,388 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-12-07 10:36:29,389 INFO  L225             Difference]: With dead ends: 425
[2019-12-07 10:36:29,389 INFO  L226             Difference]: Without dead ends: 229
[2019-12-07 10:36:29,390 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
[2019-12-07 10:36:29,390 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 229 states.
[2019-12-07 10:36:29,394 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 226.
[2019-12-07 10:36:29,394 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 226 states.
[2019-12-07 10:36:29,395 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 312 transitions.
[2019-12-07 10:36:29,395 INFO  L78                 Accepts]: Start accepts. Automaton has 226 states and 312 transitions. Word has length 83
[2019-12-07 10:36:29,396 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-12-07 10:36:29,396 INFO  L462      AbstractCegarLoop]: Abstraction has 226 states and 312 transitions.
[2019-12-07 10:36:29,396 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-12-07 10:36:29,396 INFO  L276                IsEmpty]: Start isEmpty. Operand 226 states and 312 transitions.
[2019-12-07 10:36:29,397 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2019-12-07 10:36:29,397 INFO  L402         BasicCegarLoop]: Found error trace
[2019-12-07 10:36:29,397 INFO  L410         BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-12-07 10:36:29,397 INFO  L410      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-12-07 10:36:29,397 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-12-07 10:36:29,397 INFO  L82        PathProgramCache]: Analyzing trace with hash -339026460, now seen corresponding path program 1 times
[2019-12-07 10:36:29,398 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-12-07 10:36:29,398 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111437438]
[2019-12-07 10:36:29,398 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-12-07 10:36:29,409 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-12-07 10:36:29,442 INFO  L134       CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2019-12-07 10:36:29,442 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111437438]
[2019-12-07 10:36:29,442 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-12-07 10:36:29,442 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-12-07 10:36:29,443 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097412119]
[2019-12-07 10:36:29,443 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-12-07 10:36:29,443 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-12-07 10:36:29,443 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-12-07 10:36:29,444 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-12-07 10:36:29,444 INFO  L87              Difference]: Start difference. First operand 226 states and 312 transitions. Second operand 3 states.
[2019-12-07 10:36:29,469 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-12-07 10:36:29,470 INFO  L93              Difference]: Finished difference Result 658 states and 909 transitions.
[2019-12-07 10:36:29,470 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-12-07 10:36:29,470 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 103
[2019-12-07 10:36:29,470 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-12-07 10:36:29,472 INFO  L225             Difference]: With dead ends: 658
[2019-12-07 10:36:29,472 INFO  L226             Difference]: Without dead ends: 441
[2019-12-07 10:36:29,473 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
[2019-12-07 10:36:29,473 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 441 states.
[2019-12-07 10:36:29,479 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441.
[2019-12-07 10:36:29,480 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 441 states.
[2019-12-07 10:36:29,481 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 607 transitions.
[2019-12-07 10:36:29,481 INFO  L78                 Accepts]: Start accepts. Automaton has 441 states and 607 transitions. Word has length 103
[2019-12-07 10:36:29,481 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-12-07 10:36:29,481 INFO  L462      AbstractCegarLoop]: Abstraction has 441 states and 607 transitions.
[2019-12-07 10:36:29,481 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-12-07 10:36:29,481 INFO  L276                IsEmpty]: Start isEmpty. Operand 441 states and 607 transitions.
[2019-12-07 10:36:29,482 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2019-12-07 10:36:29,482 INFO  L402         BasicCegarLoop]: Found error trace
[2019-12-07 10:36:29,483 INFO  L410         BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-12-07 10:36:29,483 INFO  L410      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-12-07 10:36:29,483 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-12-07 10:36:29,483 INFO  L82        PathProgramCache]: Analyzing trace with hash 348265998, now seen corresponding path program 1 times
[2019-12-07 10:36:29,483 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-12-07 10:36:29,483 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312210550]
[2019-12-07 10:36:29,483 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-12-07 10:36:29,497 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-12-07 10:36:29,509 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-12-07 10:36:29,548 INFO  L174   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-12-07 10:36:29,548 INFO  L475         BasicCegarLoop]: Counterexample might be feasible
[2019-12-07 10:36:29,595 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:36:29 BoogieIcfgContainer
[2019-12-07 10:36:29,595 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-12-07 10:36:29,595 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2019-12-07 10:36:29,595 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2019-12-07 10:36:29,595 INFO  L275        PluginConnector]: Witness Printer initialized
[2019-12-07 10:36:29,596 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:36:28" (3/4) ...
[2019-12-07 10:36:29,597 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2019-12-07 10:36:29,657 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a3209bc2-4d57-4ea0-bbb4-7794029ab1cd/bin/uautomizer/witness.graphml
[2019-12-07 10:36:29,658 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2019-12-07 10:36:29,659 INFO  L168              Benchmark]: Toolchain (without parser) took 2072.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 940.3 MB in the beginning and 1.0 GB in the end (delta: -80.4 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB.
[2019-12-07 10:36:29,659 INFO  L168              Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-12-07 10:36:29,660 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 256.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB.
[2019-12-07 10:36:29,660 INFO  L168              Benchmark]: Boogie Procedure Inliner took 35.03 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB.
[2019-12-07 10:36:29,660 INFO  L168              Benchmark]: Boogie Preprocessor took 25.38 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB.
[2019-12-07 10:36:29,660 INFO  L168              Benchmark]: RCFGBuilder took 398.78 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: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB.
[2019-12-07 10:36:29,661 INFO  L168              Benchmark]: TraceAbstraction took 1290.98 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: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB.
[2019-12-07 10:36:29,661 INFO  L168              Benchmark]: Witness Printer took 62.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB.
[2019-12-07 10:36:29,662 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * CACSL2BoogieTranslator took 256.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB.
 * Boogie Procedure Inliner took 35.03 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB.
 * Boogie Preprocessor took 25.38 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB.
 * RCFGBuilder took 398.78 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: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB.
 * TraceAbstraction took 1290.98 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: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB.
 * Witness Printer took 62.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 543]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L548]              int s ;
[L552]              s = 12292
[L11]               int s__info_callback = __VERIFIER_nondet_int() ;
[L12]               int s__in_handshake = __VERIFIER_nondet_int() ;
[L13]               int s__state ;
[L14]               int s__new_session ;
[L15]               int s__server ;
[L16]               int s__version = __VERIFIER_nondet_int() ;
[L17]               int s__type ;
[L18]               int s__init_num ;
[L19]               int s__bbio = __VERIFIER_nondet_int() ;
[L20]               int s__wbio = __VERIFIER_nondet_int() ;
[L21]               int s__hit = __VERIFIER_nondet_int() ;
[L22]               int s__rwstate ;
[L23]               int s__init_buf___0 = 1;
[L24]               int s__debug = __VERIFIER_nondet_int() ;
[L25]               int s__shutdown ;
[L26]               int s__ctx__info_callback = __VERIFIER_nondet_int() ;
[L27]               int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ;
[L28]               int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ;
[L29]               int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ;
[L30]               int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ;
[L31]               int s__s3__change_cipher_spec ;
[L32]               int s__s3__flags ;
[L33]               int s__s3__delay_buf_pop_ret ;
[L34]               int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ;
[L35]               int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ;
[L36]               int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ;
[L37]               int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ;
[L38]               int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ;
[L39]               int s__s3__tmp__next_state___0 ;
[L40]               int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ;
[L41]               int s__session__cipher ;
[L42]               int s__session__compress_meth ;
[L43]               int buf ;
[L44]               unsigned long tmp ;
[L45]               unsigned long l ;
[L46]               int num1 ;
[L47]               int cb ;
[L48]               int ret ;
[L49]               int new_state ;
[L50]               int state ;
[L51]               int skip ;
[L52]               int tmp___0 ;
[L53]               int tmp___1 = __VERIFIER_nondet_int() ;
[L54]               int tmp___2 = __VERIFIER_nondet_int() ;
[L55]               int tmp___3 = __VERIFIER_nondet_int() ;
[L56]               int tmp___4 = __VERIFIER_nondet_int() ;
[L57]               int tmp___5 = __VERIFIER_nondet_int() ;
[L58]               int tmp___6 = __VERIFIER_nondet_int() ;
[L59]               int tmp___7 = __VERIFIER_nondet_int() ;
[L60]               int tmp___8 = __VERIFIER_nondet_int() ;
[L61]               int tmp___9 = __VERIFIER_nondet_int() ;
[L62]               int blastFlag ;
[L63]               int __cil_tmp55 ;
[L64]               long __cil_tmp56 ;
[L65]               long __cil_tmp57 ;
[L66]               long __cil_tmp58 ;
[L67]               long __cil_tmp59 ;
[L68]               long __cil_tmp60 ;
[L69]               long __cil_tmp61 ;
[L70]               long __cil_tmp62 ;
[L71]               long __cil_tmp63 ;
[L72]               long __cil_tmp64 ;
[L76]               s__state = initial_state
[L77]               blastFlag = 0
[L78]               tmp = __VERIFIER_nondet_int()
[L79]               cb = 0
[L80]               ret = -1
[L81]               skip = 0
[L82]               tmp___0 = 0
[L83]   COND TRUE   s__info_callback != 0
[L84]               cb = s__info_callback
[L90]               s__in_handshake ++
[L91]   COND FALSE  !(tmp___1 - 12288)
[L97]   COND TRUE   1
[L99]               state = s__state
[L100]  COND TRUE   s__state == 12292
[L202]              s__new_session = 1
[L203]              s__state = 4096
[L204]              s__ctx__stats__sess_connect_renegotiate ++
[L209]              s__server = 0
[L210]  COND TRUE   cb != 0
[L214]              __cil_tmp55 = s__version - 65280
[L215]  COND FALSE  !(__cil_tmp55 != 768)
[L220]              s__type = 4096
[L221]  COND FALSE  !(s__init_buf___0 == 0)
[L233]  COND FALSE  !(! tmp___4)
[L237]  COND FALSE  !(! tmp___5)
[L241]              s__state = 4368
[L242]              s__ctx__stats__sess_connect ++
[L243]              s__init_num = 0
[L515]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L532]              skip = 0
[L97]   COND TRUE   1
[L99]               state = s__state
[L100]  COND FALSE  !(s__state == 12292)
[L103]  COND FALSE  !(s__state == 16384)
[L106]  COND FALSE  !(s__state == 4096)
[L109]  COND FALSE  !(s__state == 20480)
[L112]  COND FALSE  !(s__state == 4099)
[L115]  COND TRUE   s__state == 4368
[L247]              s__shutdown = 0
[L248]              ret = __VERIFIER_nondet_int()
[L249]  COND TRUE   blastFlag == 0
[L250]              blastFlag = 1
[L252]  COND FALSE  !(ret <= 0)
[L255]              s__state = 4384
[L256]              s__init_num = 0
[L257]  COND TRUE   s__bbio != s__wbio
[L515]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L532]              skip = 0
[L97]   COND TRUE   1
[L99]               state = s__state
[L100]  COND FALSE  !(s__state == 12292)
[L103]  COND FALSE  !(s__state == 16384)
[L106]  COND FALSE  !(s__state == 4096)
[L109]  COND FALSE  !(s__state == 20480)
[L112]  COND FALSE  !(s__state == 4099)
[L115]  COND FALSE  !(s__state == 4368)
[L118]  COND FALSE  !(s__state == 4369)
[L121]  COND TRUE   s__state == 4384
[L263]              ret = __VERIFIER_nondet_int()
[L264]  COND TRUE   blastFlag == 1
[L265]              blastFlag = 2
[L267]  COND FALSE  !(ret <= 0)
[L270]  COND FALSE  !(\read(s__hit))
[L273]              s__state = 4400
[L275]              s__init_num = 0
[L515]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L532]              skip = 0
[L97]   COND TRUE   1
[L99]               state = s__state
[L100]  COND FALSE  !(s__state == 12292)
[L103]  COND FALSE  !(s__state == 16384)
[L106]  COND FALSE  !(s__state == 4096)
[L109]  COND FALSE  !(s__state == 20480)
[L112]  COND FALSE  !(s__state == 4099)
[L115]  COND FALSE  !(s__state == 4368)
[L118]  COND FALSE  !(s__state == 4369)
[L121]  COND FALSE  !(s__state == 4384)
[L124]  COND FALSE  !(s__state == 4385)
[L127]  COND TRUE   s__state == 4400
[L279]  COND FALSE  !(s__s3__tmp__new_cipher__algorithms - 256)
[L282]              ret = __VERIFIER_nondet_int()
[L283]  COND TRUE   blastFlag == 2
[L284]              blastFlag = 3
[L286]  COND FALSE  !(ret <= 0)
[L290]              s__state = 4416
[L291]              s__init_num = 0
[L515]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L532]              skip = 0
[L97]   COND TRUE   1
[L99]               state = s__state
[L100]  COND FALSE  !(s__state == 12292)
[L103]  COND FALSE  !(s__state == 16384)
[L106]  COND FALSE  !(s__state == 4096)
[L109]  COND FALSE  !(s__state == 20480)
[L112]  COND FALSE  !(s__state == 4099)
[L115]  COND FALSE  !(s__state == 4368)
[L118]  COND FALSE  !(s__state == 4369)
[L121]  COND FALSE  !(s__state == 4384)
[L124]  COND FALSE  !(s__state == 4385)
[L127]  COND FALSE  !(s__state == 4400)
[L130]  COND FALSE  !(s__state == 4401)
[L133]  COND TRUE   s__state == 4416
[L295]              ret = __VERIFIER_nondet_int()
[L296]  COND TRUE   blastFlag == 3
[L297]              blastFlag = 4
[L299]  COND FALSE  !(ret <= 0)
[L302]              s__state = 4432
[L303]              s__init_num = 0
[L304]  COND FALSE  !(! tmp___6)
[L515]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L532]              skip = 0
[L97]   COND TRUE   1
[L99]               state = s__state
[L100]  COND FALSE  !(s__state == 12292)
[L103]  COND FALSE  !(s__state == 16384)
[L106]  COND FALSE  !(s__state == 4096)
[L109]  COND FALSE  !(s__state == 20480)
[L112]  COND FALSE  !(s__state == 4099)
[L115]  COND FALSE  !(s__state == 4368)
[L118]  COND FALSE  !(s__state == 4369)
[L121]  COND FALSE  !(s__state == 4384)
[L124]  COND FALSE  !(s__state == 4385)
[L127]  COND FALSE  !(s__state == 4400)
[L130]  COND FALSE  !(s__state == 4401)
[L133]  COND FALSE  !(s__state == 4416)
[L136]  COND FALSE  !(s__state == 4417)
[L139]  COND TRUE   s__state == 4432
[L311]              ret = __VERIFIER_nondet_int()
[L312]  COND TRUE   blastFlag == 4
[L543]              __VERIFIER_error()

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 126 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.2s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1216 SDtfs, 252 SDslu, 644 SDs, 0 SdLazy, 617 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=441occurred in iteration=7, 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, 7 MinimizatonAttempts, 23 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 534 NumberOfCodeBlocks, 534 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 422 ConstructedInterpolants, 0 QuantifiedInterpolants, 46848 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 316/316 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...