./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_srvr_1.cil-1.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 4e77c044
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_1.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a3bbefcee290f98530e25ab3f5cc4cda5aa0150b
............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 0.2.1-dev-4e77c04
[2021-10-13 07:40:19,946 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-13 07:40:19,948 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-13 07:40:19,977 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-13 07:40:19,978 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-13 07:40:19,979 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-13 07:40:19,981 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-13 07:40:19,983 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-13 07:40:19,985 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-13 07:40:19,986 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-13 07:40:19,987 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-13 07:40:19,989 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-13 07:40:19,989 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-13 07:40:19,991 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-13 07:40:19,992 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-13 07:40:19,993 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-13 07:40:19,994 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-13 07:40:19,995 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-13 07:40:19,998 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-13 07:40:20,000 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-13 07:40:20,002 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-13 07:40:20,003 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-13 07:40:20,005 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-13 07:40:20,005 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-13 07:40:20,009 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-13 07:40:20,009 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-13 07:40:20,010 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-13 07:40:20,011 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-13 07:40:20,012 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-13 07:40:20,013 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-13 07:40:20,013 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-13 07:40:20,014 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-13 07:40:20,015 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-13 07:40:20,016 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-13 07:40:20,017 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-13 07:40:20,018 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-13 07:40:20,019 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-13 07:40:20,019 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-13 07:40:20,019 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-13 07:40:20,020 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-13 07:40:20,021 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-13 07:40:20,022 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf
[2021-10-13 07:40:20,045 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-13 07:40:20,046 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-13 07:40:20,047 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-10-13 07:40:20,050 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2021-10-13 07:40:20,050 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2021-10-13 07:40:20,050 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2021-10-13 07:40:20,050 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2021-10-13 07:40:20,051 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2021-10-13 07:40:20,051 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2021-10-13 07:40:20,051 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2021-10-13 07:40:20,051 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2021-10-13 07:40:20,051 INFO  L138        SettingsManager]:  * Interval Domain=false
[2021-10-13 07:40:20,052 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2021-10-13 07:40:20,052 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2021-10-13 07:40:20,052 INFO  L138        SettingsManager]:  * Simplification Technique=SIMPLIFY_QUICK
[2021-10-13 07:40:20,053 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-13 07:40:20,057 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-13 07:40:20,057 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-13 07:40:20,057 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-13 07:40:20,058 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-13 07:40:20,058 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-13 07:40:20,058 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-13 07:40:20,058 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-13 07:40:20,058 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2021-10-13 07:40:20,059 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-13 07:40:20,059 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-13 07:40:20,059 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-13 07:40:20,059 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-13 07:40:20,060 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-13 07:40:20,060 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-13 07:40:20,060 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 07:40:20,060 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-13 07:40:20,060 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-13 07:40:20,062 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-13 07:40:20,062 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2021-10-13 07:40:20,063 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-13 07:40:20,063 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-13 07:40:20,063 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-13 07:40:20,063 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-13 07:40:20,063 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
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_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8
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(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
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 -> a3bbefcee290f98530e25ab3f5cc4cda5aa0150b
[2021-10-13 07:40:20,302 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-13 07:40:20,331 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-13 07:40:20,334 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-13 07:40:20,335 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-13 07:40:20,335 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-13 07:40:20,336 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/openssl-simplified/s3_srvr_1.cil-1.c
[2021-10-13 07:40:20,407 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8/data/3e5264f5d/8bc6c7752b704990842b976c6446afd9/FLAG19584dfea
[2021-10-13 07:40:20,843 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-13 07:40:20,843 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/sv-benchmarks/c/openssl-simplified/s3_srvr_1.cil-1.c
[2021-10-13 07:40:20,871 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8/data/3e5264f5d/8bc6c7752b704990842b976c6446afd9/FLAG19584dfea
[2021-10-13 07:40:21,202 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8/data/3e5264f5d/8bc6c7752b704990842b976c6446afd9
[2021-10-13 07:40:21,204 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-13 07:40:21,206 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-13 07:40:21,207 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-13 07:40:21,207 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-13 07:40:21,210 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-13 07:40:21,211 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:40:21" (1/1) ...
[2021-10-13 07:40:21,212 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54d26f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:21, skipping insertion in model container
[2021-10-13 07:40:21,212 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:40:21" (1/1) ...
[2021-10-13 07:40:21,227 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-13 07:40:21,274 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-13 07:40:21,475 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/sv-benchmarks/c/openssl-simplified/s3_srvr_1.cil-1.c[42831,42844]
[2021-10-13 07:40:21,482 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 07:40:21,494 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-13 07:40:21,546 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/sv-benchmarks/c/openssl-simplified/s3_srvr_1.cil-1.c[42831,42844]
[2021-10-13 07:40:21,549 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 07:40:21,562 INFO  L208         MainTranslator]: Completed translation
[2021-10-13 07:40:21,562 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:21 WrapperNode
[2021-10-13 07:40:21,562 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-13 07:40:21,563 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-13 07:40:21,564 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-13 07:40:21,564 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-13 07:40:21,580 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:21" (1/1) ...
[2021-10-13 07:40:21,590 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:21" (1/1) ...
[2021-10-13 07:40:21,627 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-13 07:40:21,627 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-13 07:40:21,627 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-13 07:40:21,628 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-13 07:40:21,636 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:21" (1/1) ...
[2021-10-13 07:40:21,637 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:21" (1/1) ...
[2021-10-13 07:40:21,642 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:21" (1/1) ...
[2021-10-13 07:40:21,642 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:21" (1/1) ...
[2021-10-13 07:40:21,652 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:21" (1/1) ...
[2021-10-13 07:40:21,660 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:21" (1/1) ...
[2021-10-13 07:40:21,663 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:21" (1/1) ...
[2021-10-13 07:40:21,668 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-13 07:40:21,669 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-13 07:40:21,669 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-13 07:40:21,669 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-13 07:40:21,670 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:21" (1/1) ...
[2021-10-13 07:40:21,677 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 07:40:21,690 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8/z3
[2021-10-13 07:40:21,716 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-13 07:40:21,746 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-13 07:40:21,764 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-13 07:40:21,765 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-13 07:40:21,765 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-13 07:40:21,765 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-13 07:40:21,865 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-10-13 07:40:22,467 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false;
[2021-10-13 07:40:22,468 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false;
[2021-10-13 07:40:22,761 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-13 07:40:22,761 INFO  L299             CfgBuilder]: Removed 7 assume(true) statements.
[2021-10-13 07:40:22,764 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:40:22 BoogieIcfgContainer
[2021-10-13 07:40:22,764 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-13 07:40:22,766 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-13 07:40:22,766 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-13 07:40:22,770 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-13 07:40:22,770 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:40:21" (1/3) ...
[2021-10-13 07:40:22,771 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea8c015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:40:22, skipping insertion in model container
[2021-10-13 07:40:22,771 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:21" (2/3) ...
[2021-10-13 07:40:22,772 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea8c015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:40:22, skipping insertion in model container
[2021-10-13 07:40:22,772 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:40:22" (3/3) ...
[2021-10-13 07:40:22,773 INFO  L111   eAbstractionObserver]: Analyzing ICFG s3_srvr_1.cil-1.c
[2021-10-13 07:40:22,778 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-13 07:40:22,779 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-13 07:40:22,826 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-13 07:40:22,832 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-13 07:40:22,833 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-13 07:40:22,850 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 107 states, 105 states have (on average 1.7619047619047619) internal successors, (185), 106 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 07:40:22,858 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2021-10-13 07:40:22,858 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 07:40:22,859 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-13 07:40:22,859 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 07:40:22,865 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 07:40:22,865 INFO  L82        PathProgramCache]: Analyzing trace with hash -1039440015, now seen corresponding path program 1 times
[2021-10-13 07:40:22,874 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-10-13 07:40:22,875 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73558804]
[2021-10-13 07:40:22,875 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 07:40:22,876 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 07:40:22,986 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 07:40:23,092 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 07:40:23,092 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-10-13 07:40:23,093 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73558804]
[2021-10-13 07:40:23,094 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73558804] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 07:40:23,094 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 07:40:23,094 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-13 07:40:23,096 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837174760]
[2021-10-13 07:40:23,103 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-13 07:40:23,104 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-10-13 07:40:23,119 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-13 07:40:23,121 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-13 07:40:23,123 INFO  L87              Difference]: Start difference. First operand  has 107 states, 105 states have (on average 1.7619047619047619) internal successors, (185), 106 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 07:40:23,350 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 07:40:23,350 INFO  L93              Difference]: Finished difference Result 233 states and 402 transitions.
[2021-10-13 07:40:23,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-13 07:40:23,353 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40
[2021-10-13 07:40:23,354 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-13 07:40:23,371 INFO  L225             Difference]: With dead ends: 233
[2021-10-13 07:40:23,371 INFO  L226             Difference]: Without dead ends: 122
[2021-10-13 07:40:23,374 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-13 07:40:23,389 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122 states.
[2021-10-13 07:40:23,410 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120.
[2021-10-13 07:40:23,412 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 120 states, 119 states have (on average 1.4789915966386555) internal successors, (176), 119 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 07:40:23,414 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 176 transitions.
[2021-10-13 07:40:23,415 INFO  L78                 Accepts]: Start accepts. Automaton has 120 states and 176 transitions. Word has length 40
[2021-10-13 07:40:23,415 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-13 07:40:23,415 INFO  L470      AbstractCegarLoop]: Abstraction has 120 states and 176 transitions.
[2021-10-13 07:40:23,416 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 07:40:23,416 INFO  L276                IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions.
[2021-10-13 07:40:23,418 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 55
[2021-10-13 07:40:23,419 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 07:40:23,419 INFO  L512         BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1]
[2021-10-13 07:40:23,419 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-13 07:40:23,419 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 07:40:23,420 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 07:40:23,420 INFO  L82        PathProgramCache]: Analyzing trace with hash 841924191, now seen corresponding path program 1 times
[2021-10-13 07:40:23,421 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-10-13 07:40:23,421 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139415779]
[2021-10-13 07:40:23,421 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 07:40:23,421 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 07:40:23,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 07:40:23,547 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 07:40:23,547 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-10-13 07:40:23,547 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139415779]
[2021-10-13 07:40:23,548 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139415779] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 07:40:23,548 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 07:40:23,548 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-13 07:40:23,548 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914199206]
[2021-10-13 07:40:23,550 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-13 07:40:23,550 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-10-13 07:40:23,551 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-13 07:40:23,551 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-13 07:40:23,551 INFO  L87              Difference]: Start difference. First operand 120 states and 176 transitions. Second operand  has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 07:40:23,712 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 07:40:23,712 INFO  L93              Difference]: Finished difference Result 259 states and 386 transitions.
[2021-10-13 07:40:23,712 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-13 07:40:23,713 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54
[2021-10-13 07:40:23,713 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-13 07:40:23,715 INFO  L225             Difference]: With dead ends: 259
[2021-10-13 07:40:23,715 INFO  L226             Difference]: Without dead ends: 141
[2021-10-13 07:40:23,716 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-13 07:40:23,717 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 141 states.
[2021-10-13 07:40:23,728 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139.
[2021-10-13 07:40:23,729 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 139 states, 138 states have (on average 1.434782608695652) internal successors, (198), 138 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 07:40:23,729 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 198 transitions.
[2021-10-13 07:40:23,730 INFO  L78                 Accepts]: Start accepts. Automaton has 139 states and 198 transitions. Word has length 54
[2021-10-13 07:40:23,730 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-13 07:40:23,730 INFO  L470      AbstractCegarLoop]: Abstraction has 139 states and 198 transitions.
[2021-10-13 07:40:23,731 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 07:40:23,731 INFO  L276                IsEmpty]: Start isEmpty. Operand 139 states and 198 transitions.
[2021-10-13 07:40:23,733 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2021-10-13 07:40:23,734 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 07:40:23,734 INFO  L512         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1]
[2021-10-13 07:40:23,734 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-13 07:40:23,735 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 07:40:23,735 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 07:40:23,735 INFO  L82        PathProgramCache]: Analyzing trace with hash 4364799, now seen corresponding path program 1 times
[2021-10-13 07:40:23,736 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-10-13 07:40:23,736 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20796712]
[2021-10-13 07:40:23,736 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 07:40:23,736 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 07:40:23,764 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 07:40:23,831 INFO  L134       CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-10-13 07:40:23,832 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-10-13 07:40:23,832 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20796712]
[2021-10-13 07:40:23,832 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20796712] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 07:40:23,833 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 07:40:23,833 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-13 07:40:23,833 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326395628]
[2021-10-13 07:40:23,834 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-13 07:40:23,834 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-10-13 07:40:23,835 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-13 07:40:23,835 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-13 07:40:23,836 INFO  L87              Difference]: Start difference. First operand 139 states and 198 transitions. Second operand  has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 07:40:24,068 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 07:40:24,068 INFO  L93              Difference]: Finished difference Result 321 states and 474 transitions.
[2021-10-13 07:40:24,068 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 07:40:24,069 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71
[2021-10-13 07:40:24,069 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-13 07:40:24,071 INFO  L225             Difference]: With dead ends: 321
[2021-10-13 07:40:24,071 INFO  L226             Difference]: Without dead ends: 184
[2021-10-13 07:40:24,072 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-13 07:40:24,073 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 184 states.
[2021-10-13 07:40:24,083 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 177.
[2021-10-13 07:40:24,083 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 177 states, 176 states have (on average 1.3636363636363635) internal successors, (240), 176 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 07:40:24,084 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 240 transitions.
[2021-10-13 07:40:24,085 INFO  L78                 Accepts]: Start accepts. Automaton has 177 states and 240 transitions. Word has length 71
[2021-10-13 07:40:24,085 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-13 07:40:24,085 INFO  L470      AbstractCegarLoop]: Abstraction has 177 states and 240 transitions.
[2021-10-13 07:40:24,086 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 07:40:24,086 INFO  L276                IsEmpty]: Start isEmpty. Operand 177 states and 240 transitions.
[2021-10-13 07:40:24,089 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2021-10-13 07:40:24,090 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 07:40:24,090 INFO  L512         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1]
[2021-10-13 07:40:24,090 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-13 07:40:24,090 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 07:40:24,091 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 07:40:24,091 INFO  L82        PathProgramCache]: Analyzing trace with hash -1908131531, now seen corresponding path program 1 times
[2021-10-13 07:40:24,091 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-10-13 07:40:24,092 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77617756]
[2021-10-13 07:40:24,092 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 07:40:24,092 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 07:40:24,118 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 07:40:24,243 INFO  L134       CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2021-10-13 07:40:24,243 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-10-13 07:40:24,243 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77617756]
[2021-10-13 07:40:24,243 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77617756] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 07:40:24,244 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 07:40:24,244 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-13 07:40:24,244 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674941405]
[2021-10-13 07:40:24,245 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-13 07:40:24,245 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-10-13 07:40:24,246 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-13 07:40:24,246 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-13 07:40:24,246 INFO  L87              Difference]: Start difference. First operand 177 states and 240 transitions. Second operand  has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 07:40:24,381 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 07:40:24,382 INFO  L93              Difference]: Finished difference Result 385 states and 536 transitions.
[2021-10-13 07:40:24,382 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-13 07:40:24,383 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91
[2021-10-13 07:40:24,383 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-13 07:40:24,385 INFO  L225             Difference]: With dead ends: 385
[2021-10-13 07:40:24,385 INFO  L226             Difference]: Without dead ends: 210
[2021-10-13 07:40:24,386 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-13 07:40:24,387 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 210 states.
[2021-10-13 07:40:24,395 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 200.
[2021-10-13 07:40:24,396 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 200 states, 199 states have (on average 1.3366834170854272) internal successors, (266), 199 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 07:40:24,397 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 266 transitions.
[2021-10-13 07:40:24,397 INFO  L78                 Accepts]: Start accepts. Automaton has 200 states and 266 transitions. Word has length 91
[2021-10-13 07:40:24,398 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-13 07:40:24,398 INFO  L470      AbstractCegarLoop]: Abstraction has 200 states and 266 transitions.
[2021-10-13 07:40:24,398 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 07:40:24,399 INFO  L276                IsEmpty]: Start isEmpty. Operand 200 states and 266 transitions.
[2021-10-13 07:40:24,403 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 110
[2021-10-13 07:40:24,403 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 07:40:24,403 INFO  L512         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2021-10-13 07:40:24,404 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-13 07:40:24,404 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 07:40:24,404 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 07:40:24,405 INFO  L82        PathProgramCache]: Analyzing trace with hash 888602177, now seen corresponding path program 1 times
[2021-10-13 07:40:24,405 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-10-13 07:40:24,405 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971050874]
[2021-10-13 07:40:24,405 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 07:40:24,406 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 07:40:24,449 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 07:40:24,449 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-13 07:40:24,492 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 07:40:24,569 INFO  L133   FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2021-10-13 07:40:24,570 INFO  L626         BasicCegarLoop]: Counterexample is feasible
[2021-10-13 07:40:24,571 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-13 07:40:24,572 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-13 07:40:24,578 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-13 07:40:24,718 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:40:24 BoogieIcfgContainer
[2021-10-13 07:40:24,718 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-13 07:40:24,719 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-13 07:40:24,719 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-13 07:40:24,719 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-13 07:40:24,720 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:40:22" (3/4) ...
[2021-10-13 07:40:24,722 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-13 07:40:24,872 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8/witness.graphml
[2021-10-13 07:40:24,873 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-13 07:40:24,874 INFO  L168              Benchmark]: Toolchain (without parser) took 3667.43 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 53.8 MB in the beginning and 78.9 MB in the end (delta: -25.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB.
[2021-10-13 07:40:24,875 INFO  L168              Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 94.4 MB. Free memory is still 70.3 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-13 07:40:24,876 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 355.58 ms. Allocated memory is still 94.4 MB. Free memory was 53.6 MB in the beginning and 65.5 MB in the end (delta: -11.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-13 07:40:24,876 INFO  L168              Benchmark]: Boogie Procedure Inliner took 63.35 ms. Allocated memory is still 94.4 MB. Free memory was 65.5 MB in the beginning and 62.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-13 07:40:24,877 INFO  L168              Benchmark]: Boogie Preprocessor took 41.18 ms. Allocated memory is still 94.4 MB. Free memory was 62.4 MB in the beginning and 60.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-13 07:40:24,877 INFO  L168              Benchmark]: RCFGBuilder took 1095.49 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 60.3 MB in the beginning and 66.4 MB in the end (delta: -6.1 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB.
[2021-10-13 07:40:24,877 INFO  L168              Benchmark]: TraceAbstraction took 1951.59 ms. Allocated memory is still 113.2 MB. Free memory was 65.8 MB in the beginning and 46.4 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB.
[2021-10-13 07:40:24,878 INFO  L168              Benchmark]: Witness Printer took 153.88 ms. Allocated memory is still 113.2 MB. Free memory was 46.4 MB in the beginning and 78.9 MB in the end (delta: -32.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB.
[2021-10-13 07:40:24,880 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.21 ms. Allocated memory is still 94.4 MB. Free memory is still 70.3 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 355.58 ms. Allocated memory is still 94.4 MB. Free memory was 53.6 MB in the beginning and 65.5 MB in the end (delta: -11.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 63.35 ms. Allocated memory is still 94.4 MB. Free memory was 65.5 MB in the beginning and 62.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 41.18 ms. Allocated memory is still 94.4 MB. Free memory was 62.4 MB in the beginning and 60.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 1095.49 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 60.3 MB in the beginning and 66.4 MB in the end (delta: -6.1 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 1951.59 ms. Allocated memory is still 113.2 MB. Free memory was 65.8 MB in the beginning and 46.4 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB.
 * Witness Printer took 153.88 ms. Allocated memory is still 113.2 MB. Free memory was 46.4 MB in the beginning and 78.9 MB in the end (delta: -32.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - CounterExampleResult [Line: 613]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L618]              int s ;
[L619]              int tmp ;
[L623]              s = 8464
[L13]               int s__info_callback = __VERIFIER_nondet_int() ;
[L14]               int s__in_handshake = __VERIFIER_nondet_int() ;
[L15]               int s__state ;
[L16]               int s__new_session ;
[L17]               int s__server ;
[L18]               int s__version = __VERIFIER_nondet_int() ;
[L19]               int s__type ;
[L20]               int s__init_num ;
[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__cert = __VERIFIER_nondet_int() ;
[L27]               int s__options = __VERIFIER_nondet_int() ;
[L28]               int s__verify_mode = __VERIFIER_nondet_int() ;
[L29]               int s__session__peer = __VERIFIER_nondet_int() ;
[L30]               int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ;
[L31]               int s__ctx__info_callback = __VERIFIER_nondet_int() ;
[L32]               int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ;
[L33]               int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ;
[L34]               int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ;
[L35]               int s__s3__tmp__cert_request ;
[L36]               int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ;
[L37]               int s__s3__tmp__use_rsa_tmp ;
[L38]               int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ;
[L39]               int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ;
[L40]               int s__s3__tmp__next_state___0 ;
[L41]               int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ;
[L42]               int s__session__cipher ;
[L43]               int buf = __VERIFIER_nondet_int() ;
[L44]               unsigned long l ;
[L45]               unsigned long Time ;
[L46]               unsigned long tmp = __VERIFIER_nondet_long() ;
[L47]               int cb ;
[L48]               long num1 ;
[L49]               int ret ;
[L50]               int new_state ;
[L51]               int state ;
[L52]               int skip ;
[L53]               int got_new_session ;
[L54]               int tmp___1 = __VERIFIER_nondet_int() ;
[L55]               int tmp___2 = __VERIFIER_nondet_int() ;
[L56]               int tmp___3 ;
[L57]               int tmp___4 ;
[L58]               int tmp___5 ;
[L59]               int tmp___6 ;
[L60]               int tmp___7 ;
[L61]               long tmp___8 = __VERIFIER_nondet_long() ;
[L62]               int tmp___9 ;
[L63]               int tmp___10 ;
[L64]               int blastFlag ;
[L65]               int __cil_tmp55 ;
[L66]               unsigned long __cil_tmp56 ;
[L67]               unsigned long __cil_tmp57 ;
[L68]               unsigned long __cil_tmp58 ;
[L69]               unsigned long __cil_tmp59 ;
[L70]               int __cil_tmp60 ;
[L71]               unsigned long __cil_tmp61 ;
[L75]               s__state = initial_state
[L76]               blastFlag = 0
[L77]               Time = tmp
[L78]               cb = 0
[L79]               ret = -1
[L80]               skip = 0
[L81]               got_new_session = 0
[L82]   COND TRUE   s__info_callback != 0
[L83]               cb = s__info_callback
[L89]               s__in_handshake ++
[L90]   COND FALSE  !(tmp___1 + 12288)
[L95]   COND FALSE  !(s__cert == 0)
[L99]   COND TRUE   1
[L101]              state = s__state
[L102]  COND FALSE  !(s__state == 12292)
[L105]  COND FALSE  !(s__state == 16384)
[L108]  COND FALSE  !(s__state == 8192)
[L111]  COND FALSE  !(s__state == 24576)
[L114]  COND FALSE  !(s__state == 8195)
[L117]  COND FALSE  !(s__state == 8480)
[L120]  COND FALSE  !(s__state == 8481)
[L123]  COND FALSE  !(s__state == 8482)
[L126]  COND TRUE   s__state == 8464
[L270]              s__shutdown = 0
[L271]              ret = __VERIFIER_nondet_int()
[L272]  COND TRUE   blastFlag == 0
[L273]              blastFlag = 1
[L275]  COND FALSE  !(ret <= 0)
[L278]              got_new_session = 1
[L279]              s__state = 8496
[L280]              s__init_num = 0
[L585]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L602]              skip = 0
[L99]   COND TRUE   1
[L101]              state = s__state
[L102]  COND FALSE  !(s__state == 12292)
[L105]  COND FALSE  !(s__state == 16384)
[L108]  COND FALSE  !(s__state == 8192)
[L111]  COND FALSE  !(s__state == 24576)
[L114]  COND FALSE  !(s__state == 8195)
[L117]  COND FALSE  !(s__state == 8480)
[L120]  COND FALSE  !(s__state == 8481)
[L123]  COND FALSE  !(s__state == 8482)
[L126]  COND FALSE  !(s__state == 8464)
[L129]  COND FALSE  !(s__state == 8465)
[L132]  COND FALSE  !(s__state == 8466)
[L135]  COND TRUE   s__state == 8496
[L284]              ret = __VERIFIER_nondet_int()
[L285]  COND TRUE   blastFlag == 1
[L286]              blastFlag = 2
[L288]  COND FALSE  !(ret <= 0)
[L291]  COND TRUE   \read(s__hit)
[L292]              s__state = 8656
[L296]              s__init_num = 0
[L585]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L602]              skip = 0
[L99]   COND TRUE   1
[L101]              state = s__state
[L102]  COND FALSE  !(s__state == 12292)
[L105]  COND FALSE  !(s__state == 16384)
[L108]  COND FALSE  !(s__state == 8192)
[L111]  COND FALSE  !(s__state == 24576)
[L114]  COND FALSE  !(s__state == 8195)
[L117]  COND FALSE  !(s__state == 8480)
[L120]  COND FALSE  !(s__state == 8481)
[L123]  COND FALSE  !(s__state == 8482)
[L126]  COND FALSE  !(s__state == 8464)
[L129]  COND FALSE  !(s__state == 8465)
[L132]  COND FALSE  !(s__state == 8466)
[L135]  COND FALSE  !(s__state == 8496)
[L138]  COND FALSE  !(s__state == 8497)
[L141]  COND FALSE  !(s__state == 8512)
[L144]  COND FALSE  !(s__state == 8513)
[L147]  COND FALSE  !(s__state == 8528)
[L150]  COND FALSE  !(s__state == 8529)
[L153]  COND FALSE  !(s__state == 8544)
[L156]  COND FALSE  !(s__state == 8545)
[L159]  COND FALSE  !(s__state == 8560)
[L162]  COND FALSE  !(s__state == 8561)
[L165]  COND FALSE  !(s__state == 8448)
[L168]  COND FALSE  !(s__state == 8576)
[L171]  COND FALSE  !(s__state == 8577)
[L174]  COND FALSE  !(s__state == 8592)
[L177]  COND FALSE  !(s__state == 8593)
[L180]  COND FALSE  !(s__state == 8608)
[L183]  COND FALSE  !(s__state == 8609)
[L186]  COND FALSE  !(s__state == 8640)
[L189]  COND FALSE  !(s__state == 8641)
[L192]  COND TRUE   s__state == 8656
[L490]              s__session__cipher = s__s3__tmp__new_cipher
[L491]              tmp___9 = __VERIFIER_nondet_int()
[L492]  COND FALSE  !(! tmp___9)
[L496]              ret = __VERIFIER_nondet_int()
[L497]  COND TRUE   blastFlag == 2
[L498]              blastFlag = 3
[L500]  COND FALSE  !(ret <= 0)
[L503]              s__state = 8672
[L504]              s__init_num = 0
[L505]              tmp___10 = __VERIFIER_nondet_int()
[L506]  COND FALSE  !(! tmp___10)
[L585]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L602]              skip = 0
[L99]   COND TRUE   1
[L101]              state = s__state
[L102]  COND FALSE  !(s__state == 12292)
[L105]  COND FALSE  !(s__state == 16384)
[L108]  COND FALSE  !(s__state == 8192)
[L111]  COND FALSE  !(s__state == 24576)
[L114]  COND FALSE  !(s__state == 8195)
[L117]  COND FALSE  !(s__state == 8480)
[L120]  COND FALSE  !(s__state == 8481)
[L123]  COND FALSE  !(s__state == 8482)
[L126]  COND FALSE  !(s__state == 8464)
[L129]  COND FALSE  !(s__state == 8465)
[L132]  COND FALSE  !(s__state == 8466)
[L135]  COND FALSE  !(s__state == 8496)
[L138]  COND FALSE  !(s__state == 8497)
[L141]  COND FALSE  !(s__state == 8512)
[L144]  COND FALSE  !(s__state == 8513)
[L147]  COND FALSE  !(s__state == 8528)
[L150]  COND FALSE  !(s__state == 8529)
[L153]  COND FALSE  !(s__state == 8544)
[L156]  COND FALSE  !(s__state == 8545)
[L159]  COND FALSE  !(s__state == 8560)
[L162]  COND FALSE  !(s__state == 8561)
[L165]  COND FALSE  !(s__state == 8448)
[L168]  COND FALSE  !(s__state == 8576)
[L171]  COND FALSE  !(s__state == 8577)
[L174]  COND FALSE  !(s__state == 8592)
[L177]  COND FALSE  !(s__state == 8593)
[L180]  COND FALSE  !(s__state == 8608)
[L183]  COND FALSE  !(s__state == 8609)
[L186]  COND FALSE  !(s__state == 8640)
[L189]  COND FALSE  !(s__state == 8641)
[L192]  COND FALSE  !(s__state == 8656)
[L195]  COND FALSE  !(s__state == 8657)
[L198]  COND TRUE   s__state == 8672
[L513]              ret = __VERIFIER_nondet_int()
[L514]  COND FALSE  !(blastFlag == 4)
[L517]  COND TRUE   blastFlag == 3
[L613]              reach_error()

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1752.3ms, OverallIterations: 5, TraceHistogramMax: 4, EmptinessCheckTime: 25.9ms, AutomataDifference: 815.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 642 SDtfs, 76 SDslu, 361 SDs, 0 SdLazy, 535 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 498.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=4, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 64.1ms AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 28.0ms SsaConstructionTime, 178.5ms SatisfiabilityAnalysisTime, 348.3ms InterpolantComputationTime, 365 NumberOfCodeBlocks, 365 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 478 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 122/122 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2021-10-13 07:40:24,930 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bccc979-f3a9-48e0-9da9-9966207c855e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...