./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-2.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_1685f799-6e7c-4611-9fc0-a57c94561bad/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1685f799-6e7c-4611-9fc0-a57c94561bad/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_1685f799-6e7c-4611-9fc0-a57c94561bad/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1685f799-6e7c-4611-9fc0-a57c94561bad/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1685f799-6e7c-4611-9fc0-a57c94561bad/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_1685f799-6e7c-4611-9fc0-a57c94561bad/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 f7047f55ac2887c2060382be67f6b237af9da492
..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 06:44:12,817 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-13 06:44:12,819 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-13 06:44:12,850 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-13 06:44:12,850 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-13 06:44:12,852 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-13 06:44:12,854 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-13 06:44:12,856 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-13 06:44:12,859 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-13 06:44:12,860 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-13 06:44:12,861 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-13 06:44:12,863 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-13 06:44:12,864 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-13 06:44:12,865 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-13 06:44:12,867 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-13 06:44:12,869 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-13 06:44:12,870 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-13 06:44:12,872 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-13 06:44:12,875 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-13 06:44:12,877 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-13 06:44:12,880 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-13 06:44:12,881 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-13 06:44:12,883 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-13 06:44:12,884 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-13 06:44:12,888 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-13 06:44:12,889 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-13 06:44:12,889 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-13 06:44:12,891 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-13 06:44:12,892 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-13 06:44:12,893 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-13 06:44:12,894 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-13 06:44:12,895 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-13 06:44:12,896 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-13 06:44:12,897 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-13 06:44:12,899 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-13 06:44:12,899 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-13 06:44:12,900 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-13 06:44:12,901 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-13 06:44:12,901 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-13 06:44:12,902 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-13 06:44:12,903 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-13 06:44:12,904 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1685f799-6e7c-4611-9fc0-a57c94561bad/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf
[2021-10-13 06:44:12,929 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-13 06:44:12,930 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-13 06:44:12,931 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-10-13 06:44:12,931 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2021-10-13 06:44:12,931 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2021-10-13 06:44:12,931 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2021-10-13 06:44:12,932 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2021-10-13 06:44:12,932 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2021-10-13 06:44:12,932 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2021-10-13 06:44:12,933 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2021-10-13 06:44:12,933 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2021-10-13 06:44:12,933 INFO  L138        SettingsManager]:  * Interval Domain=false
[2021-10-13 06:44:12,934 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2021-10-13 06:44:12,934 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2021-10-13 06:44:12,934 INFO  L138        SettingsManager]:  * Simplification Technique=SIMPLIFY_QUICK
[2021-10-13 06:44:12,935 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-13 06:44:12,935 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-13 06:44:12,936 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-13 06:44:12,936 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-13 06:44:12,936 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-13 06:44:12,936 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-13 06:44:12,937 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-13 06:44:12,937 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-13 06:44:12,937 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2021-10-13 06:44:12,938 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-13 06:44:12,938 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-13 06:44:12,938 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-13 06:44:12,938 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-13 06:44:12,939 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-13 06:44:12,939 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-13 06:44:12,939 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 06:44:12,940 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-13 06:44:12,940 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-13 06:44:12,940 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-13 06:44:12,941 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2021-10-13 06:44:12,941 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-13 06:44:12,941 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-13 06:44:12,942 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-13 06:44:12,942 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-13 06:44:12,942 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_1685f799-6e7c-4611-9fc0-a57c94561bad/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_1685f799-6e7c-4611-9fc0-a57c94561bad/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 -> f7047f55ac2887c2060382be67f6b237af9da492
[2021-10-13 06:44:13,193 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-13 06:44:13,215 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-13 06:44:13,217 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-13 06:44:13,219 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-13 06:44:13,221 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-13 06:44:13,222 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1685f799-6e7c-4611-9fc0-a57c94561bad/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-2.c
[2021-10-13 06:44:13,299 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1685f799-6e7c-4611-9fc0-a57c94561bad/bin/utaipan-q2qaUkNPG8/data/c1c334ffa/3ec78bbab331461b9ca695ed993d8c5a/FLAG34f54b278
[2021-10-13 06:44:13,763 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-13 06:44:13,764 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1685f799-6e7c-4611-9fc0-a57c94561bad/sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-2.c
[2021-10-13 06:44:13,781 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1685f799-6e7c-4611-9fc0-a57c94561bad/bin/utaipan-q2qaUkNPG8/data/c1c334ffa/3ec78bbab331461b9ca695ed993d8c5a/FLAG34f54b278
[2021-10-13 06:44:14,116 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1685f799-6e7c-4611-9fc0-a57c94561bad/bin/utaipan-q2qaUkNPG8/data/c1c334ffa/3ec78bbab331461b9ca695ed993d8c5a
[2021-10-13 06:44:14,119 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-13 06:44:14,120 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-13 06:44:14,122 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-13 06:44:14,122 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-13 06:44:14,127 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-13 06:44:14,128 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:14" (1/1) ...
[2021-10-13 06:44:14,129 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13da6d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:14, skipping insertion in model container
[2021-10-13 06:44:14,129 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:14" (1/1) ...
[2021-10-13 06:44:14,136 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-13 06:44:14,172 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-13 06:44:14,442 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_1685f799-6e7c-4611-9fc0-a57c94561bad/sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-2.c[42399,42412]
[2021-10-13 06:44:14,450 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 06:44:14,467 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-13 06:44:14,531 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_1685f799-6e7c-4611-9fc0-a57c94561bad/sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-2.c[42399,42412]
[2021-10-13 06:44:14,550 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 06:44:14,564 INFO  L208         MainTranslator]: Completed translation
[2021-10-13 06:44:14,564 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:14 WrapperNode
[2021-10-13 06:44:14,565 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-13 06:44:14,566 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-13 06:44:14,566 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-13 06:44:14,566 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-13 06:44:14,574 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:14" (1/1) ...
[2021-10-13 06:44:14,586 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:14" (1/1) ...
[2021-10-13 06:44:14,629 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-13 06:44:14,630 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-13 06:44:14,631 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-13 06:44:14,631 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-13 06:44:14,640 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:14" (1/1) ...
[2021-10-13 06:44:14,640 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:14" (1/1) ...
[2021-10-13 06:44:14,651 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:14" (1/1) ...
[2021-10-13 06:44:14,651 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:14" (1/1) ...
[2021-10-13 06:44:14,668 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:14" (1/1) ...
[2021-10-13 06:44:14,698 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:14" (1/1) ...
[2021-10-13 06:44:14,703 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:14" (1/1) ...
[2021-10-13 06:44:14,714 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-13 06:44:14,718 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-13 06:44:14,719 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-13 06:44:14,719 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-13 06:44:14,720 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:14" (1/1) ...
[2021-10-13 06:44:14,738 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 06:44:14,761 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1685f799-6e7c-4611-9fc0-a57c94561bad/bin/utaipan-q2qaUkNPG8/z3
[2021-10-13 06:44:14,773 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1685f799-6e7c-4611-9fc0-a57c94561bad/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-13 06:44:14,785 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1685f799-6e7c-4611-9fc0-a57c94561bad/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-13 06:44:14,812 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-13 06:44:14,813 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-13 06:44:14,813 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-13 06:44:14,813 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-13 06:44:14,927 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-10-13 06:44:15,385 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false;
[2021-10-13 06:44:15,386 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false;
[2021-10-13 06:44:15,705 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-13 06:44:15,705 INFO  L299             CfgBuilder]: Removed 7 assume(true) statements.
[2021-10-13 06:44:15,708 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:15 BoogieIcfgContainer
[2021-10-13 06:44:15,709 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-13 06:44:15,713 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-13 06:44:15,713 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-13 06:44:15,718 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-13 06:44:15,718 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:44:14" (1/3) ...
[2021-10-13 06:44:15,720 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348e2570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:44:15, skipping insertion in model container
[2021-10-13 06:44:15,720 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:14" (2/3) ...
[2021-10-13 06:44:15,720 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348e2570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:44:15, skipping insertion in model container
[2021-10-13 06:44:15,721 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:15" (3/3) ...
[2021-10-13 06:44:15,722 INFO  L111   eAbstractionObserver]: Analyzing ICFG s3_srvr_2.cil-2.c
[2021-10-13 06:44:15,731 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-13 06:44:15,732 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-13 06:44:15,799 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-13 06:44:15,809 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 06:44:15,809 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-13 06:44:15,836 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 106 states, 104 states have (on average 1.7692307692307692) internal successors, (184), 105 states have internal predecessors, (184), 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 06:44:15,847 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2021-10-13 06:44:15,848 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 06:44:15,848 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]
[2021-10-13 06:44:15,849 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 06:44:15,892 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 06:44:15,894 INFO  L82        PathProgramCache]: Analyzing trace with hash 1080438681, now seen corresponding path program 1 times
[2021-10-13 06:44:15,904 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-10-13 06:44:15,905 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136339128]
[2021-10-13 06:44:15,905 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 06:44:15,906 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 06:44:16,067 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 06:44:16,172 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 06:44:16,172 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-10-13 06:44:16,173 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136339128]
[2021-10-13 06:44:16,174 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136339128] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 06:44:16,174 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 06:44:16,175 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-13 06:44:16,177 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248234435]
[2021-10-13 06:44:16,182 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-13 06:44:16,183 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-10-13 06:44:16,201 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-13 06:44:16,202 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-13 06:44:16,205 INFO  L87              Difference]: Start difference. First operand  has 106 states, 104 states have (on average 1.7692307692307692) internal successors, (184), 105 states have internal predecessors, (184), 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 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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 06:44:16,455 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 06:44:16,456 INFO  L93              Difference]: Finished difference Result 231 states and 400 transitions.
[2021-10-13 06:44:16,457 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-13 06:44:16,458 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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 39
[2021-10-13 06:44:16,459 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-13 06:44:16,473 INFO  L225             Difference]: With dead ends: 231
[2021-10-13 06:44:16,473 INFO  L226             Difference]: Without dead ends: 121
[2021-10-13 06:44:16,477 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 06:44:16,495 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2021-10-13 06:44:16,534 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119.
[2021-10-13 06:44:16,537 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 119 states, 118 states have (on average 1.4745762711864407) internal successors, (174), 118 states have internal predecessors, (174), 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 06:44:16,543 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions.
[2021-10-13 06:44:16,544 INFO  L78                 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 39
[2021-10-13 06:44:16,545 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-13 06:44:16,545 INFO  L470      AbstractCegarLoop]: Abstraction has 119 states and 174 transitions.
[2021-10-13 06:44:16,545 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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 06:44:16,546 INFO  L276                IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions.
[2021-10-13 06:44:16,550 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2021-10-13 06:44:16,550 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 06:44:16,551 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]
[2021-10-13 06:44:16,551 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-13 06:44:16,551 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 06:44:16,554 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 06:44:16,554 INFO  L82        PathProgramCache]: Analyzing trace with hash 553561807, now seen corresponding path program 1 times
[2021-10-13 06:44:16,555 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-10-13 06:44:16,555 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678642242]
[2021-10-13 06:44:16,555 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 06:44:16,556 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 06:44:16,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 06:44:16,672 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 06:44:16,672 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-10-13 06:44:16,673 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678642242]
[2021-10-13 06:44:16,673 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678642242] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 06:44:16,673 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 06:44:16,673 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-13 06:44:16,674 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819512813]
[2021-10-13 06:44:16,675 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-13 06:44:16,675 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-10-13 06:44:16,676 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-13 06:44:16,676 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-13 06:44:16,676 INFO  L87              Difference]: Start difference. First operand 119 states and 174 transitions. Second operand  has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 06:44:16,814 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 06:44:16,815 INFO  L93              Difference]: Finished difference Result 257 states and 382 transitions.
[2021-10-13 06:44:16,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-13 06:44:16,841 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 53
[2021-10-13 06:44:16,841 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-13 06:44:16,843 INFO  L225             Difference]: With dead ends: 257
[2021-10-13 06:44:16,843 INFO  L226             Difference]: Without dead ends: 140
[2021-10-13 06:44:16,844 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 06:44:16,853 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 140 states.
[2021-10-13 06:44:16,863 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138.
[2021-10-13 06:44:16,863 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 138 states, 137 states have (on average 1.4306569343065694) internal successors, (196), 137 states have internal predecessors, (196), 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 06:44:16,864 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 196 transitions.
[2021-10-13 06:44:16,864 INFO  L78                 Accepts]: Start accepts. Automaton has 138 states and 196 transitions. Word has length 53
[2021-10-13 06:44:16,864 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-13 06:44:16,864 INFO  L470      AbstractCegarLoop]: Abstraction has 138 states and 196 transitions.
[2021-10-13 06:44:16,865 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 06:44:16,865 INFO  L276                IsEmpty]: Start isEmpty. Operand 138 states and 196 transitions.
[2021-10-13 06:44:16,868 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2021-10-13 06:44:16,868 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 06:44:16,868 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]
[2021-10-13 06:44:16,868 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-13 06:44:16,869 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 06:44:16,869 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 06:44:16,869 INFO  L82        PathProgramCache]: Analyzing trace with hash -570388588, now seen corresponding path program 1 times
[2021-10-13 06:44:16,870 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-10-13 06:44:16,870 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315183986]
[2021-10-13 06:44:16,870 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 06:44:16,870 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 06:44:16,901 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 06:44:17,010 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 06:44:17,011 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-10-13 06:44:17,011 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315183986]
[2021-10-13 06:44:17,011 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315183986] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 06:44:17,012 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 06:44:17,012 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-13 06:44:17,012 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583848417]
[2021-10-13 06:44:17,013 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-13 06:44:17,013 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-10-13 06:44:17,014 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-13 06:44:17,014 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-13 06:44:17,015 INFO  L87              Difference]: Start difference. First operand 138 states and 196 transitions. Second operand  has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 06:44:17,222 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 06:44:17,222 INFO  L93              Difference]: Finished difference Result 319 states and 470 transitions.
[2021-10-13 06:44:17,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 06:44:17,223 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 70
[2021-10-13 06:44:17,224 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-13 06:44:17,226 INFO  L225             Difference]: With dead ends: 319
[2021-10-13 06:44:17,226 INFO  L226             Difference]: Without dead ends: 183
[2021-10-13 06:44:17,227 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-13 06:44:17,228 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 183 states.
[2021-10-13 06:44:17,241 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 176.
[2021-10-13 06:44:17,241 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 176 states, 175 states have (on average 1.36) internal successors, (238), 175 states have internal predecessors, (238), 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 06:44:17,243 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 238 transitions.
[2021-10-13 06:44:17,243 INFO  L78                 Accepts]: Start accepts. Automaton has 176 states and 238 transitions. Word has length 70
[2021-10-13 06:44:17,244 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-13 06:44:17,244 INFO  L470      AbstractCegarLoop]: Abstraction has 176 states and 238 transitions.
[2021-10-13 06:44:17,244 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 06:44:17,245 INFO  L276                IsEmpty]: Start isEmpty. Operand 176 states and 238 transitions.
[2021-10-13 06:44:17,248 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2021-10-13 06:44:17,249 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 06:44:17,249 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]
[2021-10-13 06:44:17,250 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-13 06:44:17,250 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 06:44:17,250 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 06:44:17,251 INFO  L82        PathProgramCache]: Analyzing trace with hash -1195988722, now seen corresponding path program 1 times
[2021-10-13 06:44:17,251 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-10-13 06:44:17,251 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816446615]
[2021-10-13 06:44:17,252 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 06:44:17,252 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 06:44:17,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 06:44:17,369 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 06:44:17,370 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-10-13 06:44:17,370 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816446615]
[2021-10-13 06:44:17,370 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816446615] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 06:44:17,371 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 06:44:17,371 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-13 06:44:17,371 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227762386]
[2021-10-13 06:44:17,372 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-13 06:44:17,372 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-10-13 06:44:17,373 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-13 06:44:17,373 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-13 06:44:17,373 INFO  L87              Difference]: Start difference. First operand 176 states and 238 transitions. Second operand  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 06:44:17,560 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 06:44:17,561 INFO  L93              Difference]: Finished difference Result 383 states and 532 transitions.
[2021-10-13 06:44:17,561 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-13 06:44:17,561 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 90
[2021-10-13 06:44:17,563 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-13 06:44:17,567 INFO  L225             Difference]: With dead ends: 383
[2021-10-13 06:44:17,567 INFO  L226             Difference]: Without dead ends: 209
[2021-10-13 06:44:17,573 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-13 06:44:17,575 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 209 states.
[2021-10-13 06:44:17,594 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 199.
[2021-10-13 06:44:17,600 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 199 states, 198 states have (on average 1.3333333333333333) internal successors, (264), 198 states have internal predecessors, (264), 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 06:44:17,601 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 264 transitions.
[2021-10-13 06:44:17,601 INFO  L78                 Accepts]: Start accepts. Automaton has 199 states and 264 transitions. Word has length 90
[2021-10-13 06:44:17,605 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-13 06:44:17,605 INFO  L470      AbstractCegarLoop]: Abstraction has 199 states and 264 transitions.
[2021-10-13 06:44:17,605 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 06:44:17,606 INFO  L276                IsEmpty]: Start isEmpty. Operand 199 states and 264 transitions.
[2021-10-13 06:44:17,610 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2021-10-13 06:44:17,610 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 06:44:17,611 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]
[2021-10-13 06:44:17,611 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-13 06:44:17,611 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 06:44:17,612 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 06:44:17,612 INFO  L82        PathProgramCache]: Analyzing trace with hash 494293362, now seen corresponding path program 1 times
[2021-10-13 06:44:17,613 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-10-13 06:44:17,613 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296604097]
[2021-10-13 06:44:17,613 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 06:44:17,614 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 06:44:17,691 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 06:44:17,693 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-13 06:44:17,768 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 06:44:17,873 INFO  L133   FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2021-10-13 06:44:17,874 INFO  L626         BasicCegarLoop]: Counterexample is feasible
[2021-10-13 06:44:17,875 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-13 06:44:17,877 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-13 06:44:17,884 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-13 06:44:18,005 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:44:18 BoogieIcfgContainer
[2021-10-13 06:44:18,005 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-13 06:44:18,006 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-13 06:44:18,006 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-13 06:44:18,006 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-13 06:44:18,007 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:15" (3/4) ...
[2021-10-13 06:44:18,009 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-13 06:44:18,116 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1685f799-6e7c-4611-9fc0-a57c94561bad/bin/utaipan-q2qaUkNPG8/witness.graphml
[2021-10-13 06:44:18,116 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-13 06:44:18,118 INFO  L168              Benchmark]: Toolchain (without parser) took 3997.07 ms. Allocated memory was 83.9 MB in the beginning and 165.7 MB in the end (delta: 81.8 MB). Free memory was 48.3 MB in the beginning and 107.0 MB in the end (delta: -58.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB.
[2021-10-13 06:44:18,118 INFO  L168              Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 55.5 MB in the beginning and 55.5 MB in the end (delta: 22.5 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-13 06:44:18,119 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 443.23 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 48.0 MB in the beginning and 86.6 MB in the end (delta: -38.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB.
[2021-10-13 06:44:18,119 INFO  L168              Benchmark]: Boogie Procedure Inliner took 64.20 ms. Allocated memory is still 115.3 MB. Free memory was 86.6 MB in the beginning and 83.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-13 06:44:18,120 INFO  L168              Benchmark]: Boogie Preprocessor took 87.28 ms. Allocated memory is still 115.3 MB. Free memory was 83.9 MB in the beginning and 81.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-13 06:44:18,120 INFO  L168              Benchmark]: RCFGBuilder took 990.48 ms. Allocated memory is still 115.3 MB. Free memory was 81.7 MB in the beginning and 61.0 MB in the end (delta: 20.8 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB.
[2021-10-13 06:44:18,121 INFO  L168              Benchmark]: TraceAbstraction took 2292.91 ms. Allocated memory was 115.3 MB in the beginning and 165.7 MB in the end (delta: 50.3 MB). Free memory was 60.5 MB in the beginning and 120.6 MB in the end (delta: -60.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB.
[2021-10-13 06:44:18,121 INFO  L168              Benchmark]: Witness Printer took 110.58 ms. Allocated memory is still 165.7 MB. Free memory was 120.6 MB in the beginning and 107.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-10-13 06:44:18,124 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 55.5 MB in the beginning and 55.5 MB in the end (delta: 22.5 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 443.23 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 48.0 MB in the beginning and 86.6 MB in the end (delta: -38.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 64.20 ms. Allocated memory is still 115.3 MB. Free memory was 86.6 MB in the beginning and 83.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 87.28 ms. Allocated memory is still 115.3 MB. Free memory was 83.9 MB in the beginning and 81.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 990.48 ms. Allocated memory is still 115.3 MB. Free memory was 81.7 MB in the beginning and 61.0 MB in the end (delta: 20.8 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 2292.91 ms. Allocated memory was 115.3 MB in the beginning and 165.7 MB in the end (delta: 50.3 MB). Free memory was 60.5 MB in the beginning and 120.6 MB in the end (delta: -60.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB.
 * Witness Printer took 110.58 ms. Allocated memory is still 165.7 MB. Free memory was 120.6 MB in the beginning and 107.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 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: 609]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L614]              int s ;
[L615]              int tmp ;
[L619]              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 ;
[L44]               unsigned long l ;
[L45]               unsigned long Time ;
[L46]               unsigned long tmp ;
[L47]               int cb ;
[L48]               long num1 = __VERIFIER_nondet_long() ;
[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 = __VERIFIER_nondet_int() ;
[L57]               int tmp___4 = __VERIFIER_nondet_int() ;
[L58]               int tmp___5 = __VERIFIER_nondet_int() ;
[L59]               int tmp___6 = __VERIFIER_nondet_int() ;
[L60]               int tmp___7 ;
[L61]               long tmp___8 = __VERIFIER_nondet_long() ;
[L62]               int tmp___9 = __VERIFIER_nondet_int() ;
[L63]               int tmp___10 = __VERIFIER_nondet_int() ;
[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]               tmp = __VERIFIER_nondet_int()
[L78]               Time = tmp
[L79]               cb = 0
[L80]               ret = -1
[L81]               skip = 0
[L82]               got_new_session = 0
[L83]   COND TRUE   s__info_callback != 0
[L84]               cb = s__info_callback
[L90]               s__in_handshake ++
[L91]   COND FALSE  !(tmp___1 + 12288)
[L96]   COND FALSE  !(s__cert == 0)
[L100]  COND TRUE   1
[L102]              state = s__state
[L103]  COND FALSE  !(s__state == 12292)
[L106]  COND FALSE  !(s__state == 16384)
[L109]  COND FALSE  !(s__state == 8192)
[L112]  COND FALSE  !(s__state == 24576)
[L115]  COND FALSE  !(s__state == 8195)
[L118]  COND FALSE  !(s__state == 8480)
[L121]  COND FALSE  !(s__state == 8481)
[L124]  COND FALSE  !(s__state == 8482)
[L127]  COND TRUE   s__state == 8464
[L273]              s__shutdown = 0
[L274]              ret = __VERIFIER_nondet_int()
[L275]  COND TRUE   blastFlag == 0
[L276]              blastFlag = 1
[L278]  COND FALSE  !(ret <= 0)
[L281]              got_new_session = 1
[L282]              s__state = 8496
[L283]              s__init_num = 0
[L581]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L598]              skip = 0
[L100]  COND TRUE   1
[L102]              state = s__state
[L103]  COND FALSE  !(s__state == 12292)
[L106]  COND FALSE  !(s__state == 16384)
[L109]  COND FALSE  !(s__state == 8192)
[L112]  COND FALSE  !(s__state == 24576)
[L115]  COND FALSE  !(s__state == 8195)
[L118]  COND FALSE  !(s__state == 8480)
[L121]  COND FALSE  !(s__state == 8481)
[L124]  COND FALSE  !(s__state == 8482)
[L127]  COND FALSE  !(s__state == 8464)
[L130]  COND FALSE  !(s__state == 8465)
[L133]  COND FALSE  !(s__state == 8466)
[L136]  COND TRUE   s__state == 8496
[L287]              ret = __VERIFIER_nondet_int()
[L288]  COND TRUE   blastFlag == 1
[L289]              blastFlag = 2
[L295]  COND FALSE  !(ret <= 0)
[L298]  COND TRUE   \read(s__hit)
[L299]              s__state = 8656
[L303]              s__init_num = 0
[L581]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L598]              skip = 0
[L100]  COND TRUE   1
[L102]              state = s__state
[L103]  COND FALSE  !(s__state == 12292)
[L106]  COND FALSE  !(s__state == 16384)
[L109]  COND FALSE  !(s__state == 8192)
[L112]  COND FALSE  !(s__state == 24576)
[L115]  COND FALSE  !(s__state == 8195)
[L118]  COND FALSE  !(s__state == 8480)
[L121]  COND FALSE  !(s__state == 8481)
[L124]  COND FALSE  !(s__state == 8482)
[L127]  COND FALSE  !(s__state == 8464)
[L130]  COND FALSE  !(s__state == 8465)
[L133]  COND FALSE  !(s__state == 8466)
[L136]  COND FALSE  !(s__state == 8496)
[L139]  COND FALSE  !(s__state == 8497)
[L142]  COND FALSE  !(s__state == 8512)
[L145]  COND FALSE  !(s__state == 8513)
[L148]  COND FALSE  !(s__state == 8528)
[L151]  COND FALSE  !(s__state == 8529)
[L154]  COND FALSE  !(s__state == 8544)
[L157]  COND FALSE  !(s__state == 8545)
[L160]  COND FALSE  !(s__state == 8560)
[L163]  COND FALSE  !(s__state == 8561)
[L166]  COND FALSE  !(s__state == 8448)
[L169]  COND FALSE  !(s__state == 8576)
[L172]  COND FALSE  !(s__state == 8577)
[L175]  COND FALSE  !(s__state == 8592)
[L178]  COND FALSE  !(s__state == 8593)
[L181]  COND FALSE  !(s__state == 8608)
[L184]  COND FALSE  !(s__state == 8609)
[L187]  COND FALSE  !(s__state == 8640)
[L190]  COND FALSE  !(s__state == 8641)
[L193]  COND TRUE   s__state == 8656
[L492]              s__session__cipher = s__s3__tmp__new_cipher
[L493]  COND FALSE  !(! tmp___9)
[L497]              ret = __VERIFIER_nondet_int()
[L498]  COND TRUE   blastFlag == 2
[L499]              blastFlag = 3
[L501]  COND FALSE  !(ret <= 0)
[L504]              s__state = 8672
[L505]              s__init_num = 0
[L506]  COND FALSE  !(! tmp___10)
[L581]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L598]              skip = 0
[L100]  COND TRUE   1
[L102]              state = s__state
[L103]  COND FALSE  !(s__state == 12292)
[L106]  COND FALSE  !(s__state == 16384)
[L109]  COND FALSE  !(s__state == 8192)
[L112]  COND FALSE  !(s__state == 24576)
[L115]  COND FALSE  !(s__state == 8195)
[L118]  COND FALSE  !(s__state == 8480)
[L121]  COND FALSE  !(s__state == 8481)
[L124]  COND FALSE  !(s__state == 8482)
[L127]  COND FALSE  !(s__state == 8464)
[L130]  COND FALSE  !(s__state == 8465)
[L133]  COND FALSE  !(s__state == 8466)
[L136]  COND FALSE  !(s__state == 8496)
[L139]  COND FALSE  !(s__state == 8497)
[L142]  COND FALSE  !(s__state == 8512)
[L145]  COND FALSE  !(s__state == 8513)
[L148]  COND FALSE  !(s__state == 8528)
[L151]  COND FALSE  !(s__state == 8529)
[L154]  COND FALSE  !(s__state == 8544)
[L157]  COND FALSE  !(s__state == 8545)
[L160]  COND FALSE  !(s__state == 8560)
[L163]  COND FALSE  !(s__state == 8561)
[L166]  COND FALSE  !(s__state == 8448)
[L169]  COND FALSE  !(s__state == 8576)
[L172]  COND FALSE  !(s__state == 8577)
[L175]  COND FALSE  !(s__state == 8592)
[L178]  COND FALSE  !(s__state == 8593)
[L181]  COND FALSE  !(s__state == 8608)
[L184]  COND FALSE  !(s__state == 8609)
[L187]  COND FALSE  !(s__state == 8640)
[L190]  COND FALSE  !(s__state == 8641)
[L193]  COND FALSE  !(s__state == 8656)
[L196]  COND FALSE  !(s__state == 8657)
[L199]  COND TRUE   s__state == 8672
[L513]              ret = __VERIFIER_nondet_int()
[L514]  COND TRUE   blastFlag == 3
[L609]              reach_error()

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2085.1ms, OverallIterations: 5, TraceHistogramMax: 4, EmptinessCheckTime: 33.7ms, AutomataDifference: 875.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 635 SDtfs, 79 SDslu, 292 SDs, 0 SdLazy, 449 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 476.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred 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: 106.7ms AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 44.6ms SsaConstructionTime, 232.4ms SatisfiabilityAnalysisTime, 350.7ms InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 474 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 06:44:18,173 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1685f799-6e7c-4611-9fc0-a57c94561bad/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...