./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version 57096758
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1e2636975b74961c8ccae2b8c5a585d0b63b6e0a
.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Using bit-precise analysis
No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs/config using search string *Overflow*32bit*_Bitvector*.epf
No suitable settings file found using Overflow*32bit*_Bitvector
ERROR: UNSUPPORTED PROPERTY
Writing output log to file Ultimate.log
Result:
UNKNOWN: Overapproximated counterexample
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-5709675
[2021-10-16 02:07:12,460 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-16 02:07:12,465 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-16 02:07:12,518 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-16 02:07:12,519 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-16 02:07:12,522 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-16 02:07:12,524 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-16 02:07:12,528 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-16 02:07:12,531 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-16 02:07:12,536 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-16 02:07:12,537 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-16 02:07:12,539 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-16 02:07:12,540 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-16 02:07:12,543 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-16 02:07:12,545 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-16 02:07:12,553 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-16 02:07:12,554 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-16 02:07:12,556 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-16 02:07:12,558 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-16 02:07:12,565 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-16 02:07:12,567 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-16 02:07:12,569 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-16 02:07:12,572 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-16 02:07:12,573 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-16 02:07:12,582 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-16 02:07:12,583 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-16 02:07:12,583 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-16 02:07:12,585 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-16 02:07:12,586 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-16 02:07:12,588 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-16 02:07:12,588 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-16 02:07:12,589 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-16 02:07:12,591 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-16 02:07:12,593 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-16 02:07:12,594 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-16 02:07:12,595 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-16 02:07:12,596 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-16 02:07:12,596 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-16 02:07:12,596 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-16 02:07:12,597 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-16 02:07:12,598 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-16 02:07:12,599 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs/config/svcomp-Overflow-32bit-Taipan_Default.epf
[2021-10-16 02:07:12,643 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-16 02:07:12,643 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-16 02:07:12,645 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-10-16 02:07:12,645 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2021-10-16 02:07:12,645 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2021-10-16 02:07:12,645 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2021-10-16 02:07:12,646 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2021-10-16 02:07:12,646 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2021-10-16 02:07:12,646 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2021-10-16 02:07:12,646 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2021-10-16 02:07:12,647 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2021-10-16 02:07:12,648 INFO  L138        SettingsManager]:  * Interval Domain=false
[2021-10-16 02:07:12,648 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2021-10-16 02:07:12,648 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2021-10-16 02:07:12,648 INFO  L138        SettingsManager]:  * Simplification Technique=SIMPLIFY_QUICK
[2021-10-16 02:07:12,649 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-16 02:07:12,649 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-16 02:07:12,650 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-16 02:07:12,650 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-16 02:07:12,650 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-16 02:07:12,650 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-16 02:07:12,650 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-16 02:07:12,651 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-16 02:07:12,651 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-16 02:07:12,651 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2021-10-16 02:07:12,651 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-16 02:07:12,651 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-16 02:07:12,652 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-16 02:07:12,652 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-16 02:07:12,654 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-16 02:07:12,654 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-16 02:07:12,654 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-16 02:07:12,654 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-16 02:07:12,655 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-16 02:07:12,655 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-16 02:07:12,655 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2021-10-16 02:07:12,655 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-16 02:07:12,656 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-16 02:07:12,656 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-16 02:07:12,656 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-16 02:07:12,656 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_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs/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_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs
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 ! overflow) )


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 -> 1e2636975b74961c8ccae2b8c5a585d0b63b6e0a
[2021-10-16 02:07:12,914 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-16 02:07:12,947 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-16 02:07:12,950 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-16 02:07:12,951 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-16 02:07:12,952 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-16 02:07:12,953 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c
[2021-10-16 02:07:13,062 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs/data/4dd342d07/e7e0e4025fc447f4b8cbdbea1285b3fc/FLAG0caa93121
[2021-10-16 02:07:13,554 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-16 02:07:13,554 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c
[2021-10-16 02:07:13,566 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs/data/4dd342d07/e7e0e4025fc447f4b8cbdbea1285b3fc/FLAG0caa93121
[2021-10-16 02:07:13,924 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs/data/4dd342d07/e7e0e4025fc447f4b8cbdbea1285b3fc
[2021-10-16 02:07:13,929 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-16 02:07:13,931 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-16 02:07:13,942 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-16 02:07:13,942 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-16 02:07:13,945 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-16 02:07:13,946 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:07:13" (1/1) ...
[2021-10-16 02:07:13,947 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40863252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:07:13, skipping insertion in model container
[2021-10-16 02:07:13,947 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:07:13" (1/1) ...
[2021-10-16 02:07:13,954 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-16 02:07:13,996 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-16 02:07:14,220 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_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c[37592,37605]
[2021-10-16 02:07:14,226 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-16 02:07:14,234 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-16 02:07:14,302 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_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c[37592,37605]
[2021-10-16 02:07:14,305 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-16 02:07:14,334 INFO  L208         MainTranslator]: Completed translation
[2021-10-16 02:07:14,335 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:07:14 WrapperNode
[2021-10-16 02:07:14,335 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-16 02:07:14,336 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-16 02:07:14,338 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-16 02:07:14,339 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-16 02:07:14,346 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:07:14" (1/1) ...
[2021-10-16 02:07:14,359 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:07:14" (1/1) ...
[2021-10-16 02:07:14,413 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-16 02:07:14,413 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-16 02:07:14,414 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-16 02:07:14,414 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-16 02:07:14,427 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:07:14" (1/1) ...
[2021-10-16 02:07:14,428 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:07:14" (1/1) ...
[2021-10-16 02:07:14,444 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:07:14" (1/1) ...
[2021-10-16 02:07:14,445 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:07:14" (1/1) ...
[2021-10-16 02:07:14,471 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:07:14" (1/1) ...
[2021-10-16 02:07:14,478 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:07:14" (1/1) ...
[2021-10-16 02:07:14,497 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:07:14" (1/1) ...
[2021-10-16 02:07:14,502 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-16 02:07:14,503 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-16 02:07:14,503 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-16 02:07:14,503 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-16 02:07:14,509 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:07:14" (1/1) ...
[2021-10-16 02:07:14,529 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-16 02:07:14,544 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs/z3
[2021-10-16 02:07:14,563 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-16 02:07:14,593 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-16 02:07:14,612 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-16 02:07:14,613 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-16 02:07:14,614 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-16 02:07:14,614 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-16 02:07:14,748 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-10-16 02:07:15,296 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false;
[2021-10-16 02:07:15,296 INFO  L758   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false;
[2021-10-16 02:07:15,739 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-16 02:07:15,742 INFO  L299             CfgBuilder]: Removed 7 assume(true) statements.
[2021-10-16 02:07:15,745 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:07:15 BoogieIcfgContainer
[2021-10-16 02:07:15,746 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-16 02:07:15,748 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-16 02:07:15,748 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-16 02:07:15,752 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-16 02:07:15,752 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:07:13" (1/3) ...
[2021-10-16 02:07:15,753 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b0b281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:07:15, skipping insertion in model container
[2021-10-16 02:07:15,753 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:07:14" (2/3) ...
[2021-10-16 02:07:15,754 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b0b281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:07:15, skipping insertion in model container
[2021-10-16 02:07:15,754 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:07:15" (3/3) ...
[2021-10-16 02:07:15,756 INFO  L111   eAbstractionObserver]: Analyzing ICFG s3_clnt_1.BV.c.cil-1a.c
[2021-10-16 02:07:15,762 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-16 02:07:15,762 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations.
[2021-10-16 02:07:15,826 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-16 02:07:15,832 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
[2021-10-16 02:07:15,832 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 18 error locations.
[2021-10-16 02:07:15,851 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 127 states, 108 states have (on average 1.787037037037037) internal successors, (193), 126 states have internal predecessors, (193), 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)
[2021-10-16 02:07:15,856 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-10-16 02:07:15,856 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-16 02:07:15,857 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-16 02:07:15,858 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2021-10-16 02:07:15,863 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-16 02:07:15,863 INFO  L82        PathProgramCache]: Analyzing trace with hash -1320234330, now seen corresponding path program 1 times
[2021-10-16 02:07:15,873 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-10-16 02:07:15,874 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344394482]
[2021-10-16 02:07:15,874 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-16 02:07:15,875 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-16 02:07:15,970 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-16 02:07:16,041 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-16 02:07:16,042 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-10-16 02:07:16,042 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344394482]
[2021-10-16 02:07:16,043 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344394482] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-16 02:07:16,043 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-16 02:07:16,043 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-16 02:07:16,045 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535372183]
[2021-10-16 02:07:16,050 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-16 02:07:16,050 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-10-16 02:07:16,063 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-16 02:07:16,064 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-16 02:07:16,066 INFO  L87              Difference]: Start difference. First operand  has 127 states, 108 states have (on average 1.787037037037037) internal successors, (193), 126 states have internal predecessors, (193), 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 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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)
[2021-10-16 02:07:16,204 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-16 02:07:16,204 INFO  L93              Difference]: Finished difference Result 255 states and 389 transitions.
[2021-10-16 02:07:16,205 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-16 02:07:16,206 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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 13
[2021-10-16 02:07:16,207 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-16 02:07:16,217 INFO  L225             Difference]: With dead ends: 255
[2021-10-16 02:07:16,217 INFO  L226             Difference]: Without dead ends: 126
[2021-10-16 02:07:16,221 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-16 02:07:16,237 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 126 states.
[2021-10-16 02:07:16,258 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126.
[2021-10-16 02:07:16,260 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 126 states, 108 states have (on average 1.5462962962962963) internal successors, (167), 125 states have internal predecessors, (167), 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)
[2021-10-16 02:07:16,262 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 167 transitions.
[2021-10-16 02:07:16,263 INFO  L78                 Accepts]: Start accepts. Automaton has 126 states and 167 transitions. Word has length 13
[2021-10-16 02:07:16,263 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-16 02:07:16,264 INFO  L470      AbstractCegarLoop]: Abstraction has 126 states and 167 transitions.
[2021-10-16 02:07:16,264 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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)
[2021-10-16 02:07:16,264 INFO  L276                IsEmpty]: Start isEmpty. Operand 126 states and 167 transitions.
[2021-10-16 02:07:16,265 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2021-10-16 02:07:16,265 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-16 02:07:16,266 INFO  L512         BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-16 02:07:16,266 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-16 02:07:16,266 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2021-10-16 02:07:16,267 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-16 02:07:16,267 INFO  L82        PathProgramCache]: Analyzing trace with hash 727088826, now seen corresponding path program 1 times
[2021-10-16 02:07:16,267 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-10-16 02:07:16,268 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631791421]
[2021-10-16 02:07:16,268 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-16 02:07:16,268 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-16 02:07:16,316 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-16 02:07:16,386 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-16 02:07:16,387 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-10-16 02:07:16,387 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631791421]
[2021-10-16 02:07:16,387 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631791421] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-16 02:07:16,387 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-16 02:07:16,388 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-16 02:07:16,388 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582571874]
[2021-10-16 02:07:16,389 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-16 02:07:16,390 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-10-16 02:07:16,390 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-16 02:07:16,391 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-16 02:07:16,391 INFO  L87              Difference]: Start difference. First operand 126 states and 167 transitions. Second operand  has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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)
[2021-10-16 02:07:16,506 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-16 02:07:16,506 INFO  L93              Difference]: Finished difference Result 264 states and 355 transitions.
[2021-10-16 02:07:16,507 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-16 02:07:16,507 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 23
[2021-10-16 02:07:16,508 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-16 02:07:16,509 INFO  L225             Difference]: With dead ends: 264
[2021-10-16 02:07:16,509 INFO  L226             Difference]: Without dead ends: 141
[2021-10-16 02:07:16,511 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-16 02:07:16,511 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 141 states.
[2021-10-16 02:07:16,521 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139.
[2021-10-16 02:07:16,521 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 139 states, 121 states have (on average 1.512396694214876) internal successors, (183), 138 states have internal predecessors, (183), 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)
[2021-10-16 02:07:16,523 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions.
[2021-10-16 02:07:16,523 INFO  L78                 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 23
[2021-10-16 02:07:16,523 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-16 02:07:16,523 INFO  L470      AbstractCegarLoop]: Abstraction has 139 states and 183 transitions.
[2021-10-16 02:07:16,524 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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)
[2021-10-16 02:07:16,524 INFO  L276                IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions.
[2021-10-16 02:07:16,525 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2021-10-16 02:07:16,525 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-16 02:07:16,525 INFO  L512         BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-16 02:07:16,526 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-16 02:07:16,526 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2021-10-16 02:07:16,527 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-16 02:07:16,527 INFO  L82        PathProgramCache]: Analyzing trace with hash 749200524, now seen corresponding path program 1 times
[2021-10-16 02:07:16,527 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-10-16 02:07:16,527 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335251328]
[2021-10-16 02:07:16,527 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-16 02:07:16,528 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-16 02:07:16,553 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-16 02:07:16,592 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-10-16 02:07:16,592 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-10-16 02:07:16,593 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335251328]
[2021-10-16 02:07:16,593 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335251328] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-16 02:07:16,593 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-16 02:07:16,593 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-16 02:07:16,594 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129418028]
[2021-10-16 02:07:16,594 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-16 02:07:16,594 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-10-16 02:07:16,595 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-16 02:07:16,595 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-16 02:07:16,596 INFO  L87              Difference]: Start difference. First operand 139 states and 183 transitions. Second operand  has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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)
[2021-10-16 02:07:16,724 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-16 02:07:16,724 INFO  L93              Difference]: Finished difference Result 292 states and 391 transitions.
[2021-10-16 02:07:16,725 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-16 02:07:16,725 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 34
[2021-10-16 02:07:16,725 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-16 02:07:16,727 INFO  L225             Difference]: With dead ends: 292
[2021-10-16 02:07:16,727 INFO  L226             Difference]: Without dead ends: 156
[2021-10-16 02:07:16,728 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
[2021-10-16 02:07:16,729 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 156 states.
[2021-10-16 02:07:16,737 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154.
[2021-10-16 02:07:16,738 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 154 states, 136 states have (on average 1.4779411764705883) internal successors, (201), 153 states have internal predecessors, (201), 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)
[2021-10-16 02:07:16,739 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 201 transitions.
[2021-10-16 02:07:16,739 INFO  L78                 Accepts]: Start accepts. Automaton has 154 states and 201 transitions. Word has length 34
[2021-10-16 02:07:16,739 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-16 02:07:16,740 INFO  L470      AbstractCegarLoop]: Abstraction has 154 states and 201 transitions.
[2021-10-16 02:07:16,740 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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)
[2021-10-16 02:07:16,740 INFO  L276                IsEmpty]: Start isEmpty. Operand 154 states and 201 transitions.
[2021-10-16 02:07:16,742 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2021-10-16 02:07:16,742 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-16 02:07:16,742 INFO  L512         BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-16 02:07:16,742 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-16 02:07:16,743 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2021-10-16 02:07:16,743 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-16 02:07:16,743 INFO  L82        PathProgramCache]: Analyzing trace with hash 741414213, now seen corresponding path program 1 times
[2021-10-16 02:07:16,744 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-10-16 02:07:16,744 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059019442]
[2021-10-16 02:07:16,744 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-16 02:07:16,744 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-16 02:07:16,778 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-16 02:07:16,863 INFO  L134       CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2021-10-16 02:07:16,863 INFO  L139   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2021-10-16 02:07:16,864 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059019442]
[2021-10-16 02:07:16,867 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059019442] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-16 02:07:16,868 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-16 02:07:16,868 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-10-16 02:07:16,868 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403409583]
[2021-10-16 02:07:16,869 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-16 02:07:16,869 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2021-10-16 02:07:16,870 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-16 02:07:16,871 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-16 02:07:16,872 INFO  L87              Difference]: Start difference. First operand 154 states and 201 transitions. Second operand  has 3 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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)
[2021-10-16 02:07:16,885 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-16 02:07:16,885 INFO  L93              Difference]: Finished difference Result 154 states and 201 transitions.
[2021-10-16 02:07:16,886 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-16 02:07:16,886 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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 47
[2021-10-16 02:07:16,887 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-16 02:07:16,889 INFO  L225             Difference]: With dead ends: 154
[2021-10-16 02:07:16,890 INFO  L226             Difference]: Without dead ends: 153
[2021-10-16 02:07:16,891 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-16 02:07:16,892 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 153 states.
[2021-10-16 02:07:16,910 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153.
[2021-10-16 02:07:16,911 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 153 states, 136 states have (on average 1.4705882352941178) internal successors, (200), 152 states have internal predecessors, (200), 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)
[2021-10-16 02:07:16,912 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 200 transitions.
[2021-10-16 02:07:16,914 INFO  L78                 Accepts]: Start accepts. Automaton has 153 states and 200 transitions. Word has length 47
[2021-10-16 02:07:16,915 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-16 02:07:16,915 INFO  L470      AbstractCegarLoop]: Abstraction has 153 states and 200 transitions.
[2021-10-16 02:07:16,915 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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)
[2021-10-16 02:07:16,915 INFO  L276                IsEmpty]: Start isEmpty. Operand 153 states and 200 transitions.
[2021-10-16 02:07:16,919 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2021-10-16 02:07:16,919 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-16 02:07:16,920 INFO  L512         BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-16 02:07:16,920 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-16 02:07:16,921 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2021-10-16 02:07:16,922 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-16 02:07:16,922 INFO  L82        PathProgramCache]: Analyzing trace with hash 1509004441, now seen corresponding path program 1 times
[2021-10-16 02:07:16,922 INFO  L121   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2021-10-16 02:07:16,923 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484550915]
[2021-10-16 02:07:16,923 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-16 02:07:16,923 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-16 02:07:16,995 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-16 02:07:16,995 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-16 02:07:17,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-16 02:07:17,091 INFO  L133   FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2021-10-16 02:07:17,091 INFO  L626         BasicCegarLoop]: Counterexample is feasible
[2021-10-16 02:07:17,092 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,094 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,094 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,095 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,095 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,095 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,095 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,096 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,096 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,096 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,096 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,097 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,097 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,097 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,097 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,098 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,098 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,098 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-16 02:07:17,099 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-16 02:07:17,105 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-16 02:07:17,181 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:07:17 BoogieIcfgContainer
[2021-10-16 02:07:17,186 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-16 02:07:17,186 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-16 02:07:17,187 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-16 02:07:17,187 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-16 02:07:17,187 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:07:15" (3/4) ...
[2021-10-16 02:07:17,191 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2021-10-16 02:07:17,195 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-16 02:07:17,197 INFO  L168              Benchmark]: Toolchain (without parser) took 3265.75 ms. Allocated memory is still 134.2 MB. Free memory was 101.3 MB in the beginning and 58.5 MB in the end (delta: 42.8 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB.
[2021-10-16 02:07:17,199 INFO  L168              Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory is still 42.1 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-16 02:07:17,199 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 394.08 ms. Allocated memory is still 134.2 MB. Free memory was 101.3 MB in the beginning and 107.4 MB in the end (delta: -6.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-16 02:07:17,202 INFO  L168              Benchmark]: Boogie Procedure Inliner took 76.44 ms. Allocated memory is still 134.2 MB. Free memory was 107.0 MB in the beginning and 104.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-16 02:07:17,203 INFO  L168              Benchmark]: Boogie Preprocessor took 88.91 ms. Allocated memory is still 134.2 MB. Free memory was 104.4 MB in the beginning and 102.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-16 02:07:17,206 INFO  L168              Benchmark]: RCFGBuilder took 1243.45 ms. Allocated memory is still 134.2 MB. Free memory was 102.3 MB in the beginning and 93.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB.
[2021-10-16 02:07:17,206 INFO  L168              Benchmark]: TraceAbstraction took 1437.96 ms. Allocated memory is still 134.2 MB. Free memory was 92.6 MB in the beginning and 59.0 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB.
[2021-10-16 02:07:17,207 INFO  L168              Benchmark]: Witness Printer took 8.94 ms. Allocated memory is still 134.2 MB. Free memory was 59.0 MB in the beginning and 58.5 MB in the end (delta: 517.0 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-16 02:07:17,209 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 86.0 MB. Free memory is still 42.1 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 394.08 ms. Allocated memory is still 134.2 MB. Free memory was 101.3 MB in the beginning and 107.4 MB in the end (delta: -6.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 76.44 ms. Allocated memory is still 134.2 MB. Free memory was 107.0 MB in the beginning and 104.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 88.91 ms. Allocated memory is still 134.2 MB. Free memory was 104.4 MB in the beginning and 102.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 1243.45 ms. Allocated memory is still 134.2 MB. Free memory was 102.3 MB in the beginning and 93.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 1437.96 ms. Allocated memory is still 134.2 MB. Free memory was 92.6 MB in the beginning and 59.0 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB.
 * Witness Printer took 8.94 ms. Allocated memory is still 134.2 MB. Free memory was 59.0 MB in the beginning and 58.5 MB in the end (delta: 517.0 kB). There was no memory consumed. 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
  - UnprovableResult [Line: 309]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: overapproximation of bitwiseAnd at line 221. 
Possible FailurePath: 
[L631]              int __retres1 ;
[L11]               int s__info_callback  = __VERIFIER_nondet_int();
[L12]               unsigned int s__in_handshake  = __VERIFIER_nondet_uint();
[L13]               int s__state ;
[L14]               int s__new_session ;
[L15]               int s__server ;
[L16]               int s__version  = __VERIFIER_nondet_int();
[L17]               int s__type ;
[L18]               int s__init_num ;
[L19]               int s__bbio  = __VERIFIER_nondet_int();
[L20]               int s__wbio  = __VERIFIER_nondet_int();
[L21]               int s__hit  = __VERIFIER_nondet_int();
[L22]               int s__rwstate ;
[L23]               int s__init_buf___0 ;
[L24]               int s__debug  = __VERIFIER_nondet_int();
[L25]               int s__shutdown ;
[L26]               int s__ctx__info_callback  = __VERIFIER_nondet_int();
[L27]               unsigned int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_uint();
[L28]               unsigned int s__ctx__stats__sess_connect ;
[L29]               int s__ctx__stats__sess_hit  = __VERIFIER_nondet_int();
[L30]               int s__ctx__stats__sess_connect_good  = __VERIFIER_nondet_int();
[L31]               int s__s3__change_cipher_spec ;
[L32]               int s__s3__flags ;
[L33]               int s__s3__delay_buf_pop_ret ;
[L34]               int s__s3__tmp__cert_req  = __VERIFIER_nondet_int();
[L35]               int s__s3__tmp__new_compression  = __VERIFIER_nondet_int();
[L36]               int s__s3__tmp__reuse_message  = __VERIFIER_nondet_int();
[L37]               int s__s3__tmp__new_cipher  = __VERIFIER_nondet_int();
[L38]               int s__s3__tmp__new_cipher__algorithms  = __VERIFIER_nondet_int();
[L39]               int s__s3__tmp__next_state___0 ;
[L40]               int s__s3__tmp__new_compression__id  = __VERIFIER_nondet_int();
[L41]               int s__session__cipher ;
[L42]               int s__session__compress_meth ;
[L43]               int buf ;
[L44]               unsigned long tmp ;
[L45]               unsigned long l ;
[L46]               int num1 ;
[L47]               int cb ;
[L48]               int ret ;
[L49]               int new_state ;
[L50]               int state ;
[L51]               int skip ;
[L52]               int tmp___0 ;
[L53]               int tmp___1 ;
[L54]               int tmp___2 ;
[L55]               int tmp___3 ;
[L56]               int tmp___4 ;
[L57]               int tmp___5 ;
[L58]               int tmp___6  = __VERIFIER_nondet_int();
[L59]               int tmp___7  = __VERIFIER_nondet_int();
[L60]               int tmp___8  = __VERIFIER_nondet_int();
[L61]               int tmp___9  = __VERIFIER_nondet_int();
[L62]               int blastFlag ;
[L63]               int ag_X ;
[L64]               int ag_Y ;
[L65]               int ag_Z ;
[L66]               unsigned int ag_V ;
[L67]               unsigned int ag_W ;
[L68]               int __retres62 ;
[L71]               ag_V = 2U
[L72]               ag_W = 5U
[L73]               s__state = 12292
[L74]               blastFlag = 0
[L75]               tmp = __VERIFIER_nondet_int()
[L76]               cb = 0
[L77]               ret = -1
[L78]               skip = 0
[L79]               tmp___0 = 0
[L80]   COND TRUE   s__info_callback != 0
[L81]               cb = s__info_callback
[L89]               s__in_handshake = s__in_handshake + 1
[L90]               tmp___1 = __VERIFIER_nondet_int()
[L91]   COND FALSE  !(tmp___1 & 12288)
[L102]  COND TRUE   1
[L104]              state = s__state
[L105]  COND TRUE   s__state == 12292
[L208]              s__new_session = 1
[L209]              s__state = 4096
[L210]              s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1
[L215]              s__server = 0
[L216]  COND TRUE   cb != 0
[L221]  COND FALSE  !((s__version & 65280) != 768)
[L227]              s__type = 4096
[L228]  COND FALSE  !(s__init_buf___0 == 0)
[L247]              tmp___4 = __VERIFIER_nondet_int()
[L248]  COND FALSE  !(! tmp___4)
[L254]              tmp___5 = __VERIFIER_nondet_int()
[L255]  COND FALSE  !(! tmp___5)
[L261]              s__state = 4368
[L262]              s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1
[L263]              s__init_num = 0
[L580]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L609]              skip = 0
[L102]  COND TRUE   1
[L104]              state = s__state
[L105]  COND FALSE  !(s__state == 12292)
[L108]  COND FALSE  !(s__state == 16384)
[L111]  COND FALSE  !(s__state == 4096)
[L114]  COND FALSE  !(s__state == 20480)
[L117]  COND FALSE  !(s__state == 4099)
[L120]  COND TRUE   s__state == 4368
[L267]              s__shutdown = 0
[L268]              ret = __VERIFIER_nondet_int()
[L269]  COND TRUE   blastFlag == 0
[L270]              blastFlag = 1
[L274]  COND FALSE  !(ret <= 0)
[L279]              s__state = 4384
[L280]              s__init_num = 0
[L281]  COND FALSE  !(s__bbio != s__wbio)
[L580]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L609]              skip = 0
[L102]  COND TRUE   1
[L104]              state = s__state
[L105]  COND FALSE  !(s__state == 12292)
[L108]  COND FALSE  !(s__state == 16384)
[L111]  COND FALSE  !(s__state == 4096)
[L114]  COND FALSE  !(s__state == 20480)
[L117]  COND FALSE  !(s__state == 4099)
[L120]  COND FALSE  !(s__state == 4368)
[L123]  COND FALSE  !(s__state == 4369)
[L126]  COND TRUE   s__state == 4384
[L289]              ret = __VERIFIER_nondet_int()
[L290]  COND TRUE   blastFlag == 1
[L291]              blastFlag = 2
[L295]  COND FALSE  !(ret <= 0)
[L300]  COND FALSE  !(\read(s__hit))
[L303]              s__state = 4400
[L305]              s__init_num = 0
[L580]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L609]              skip = 0
[L102]  COND TRUE   1
[L104]              state = s__state
[L105]  COND FALSE  !(s__state == 12292)
[L108]  COND FALSE  !(s__state == 16384)
[L111]  COND FALSE  !(s__state == 4096)
[L114]  COND FALSE  !(s__state == 20480)
[L117]  COND FALSE  !(s__state == 4099)
[L120]  COND FALSE  !(s__state == 4368)
[L123]  COND FALSE  !(s__state == 4369)
[L126]  COND FALSE  !(s__state == 4384)
[L129]  COND FALSE  !(s__state == 4385)
[L132]  COND TRUE   s__state == 4400
[L309]              s__s3__tmp__new_cipher__algorithms - 256

  - UnprovableResult [Line: 309]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 468]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 468]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 471]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 471]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 473]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 473]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 520]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 520]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 528]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 528]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 533]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 533]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 127 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 1278.7ms, OverallIterations: 5, TraceHistogramMax: 4, EmptinessCheckTime: 18.3ms, AutomataDifference: 445.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 675 SDtfs, 153 SDslu, 268 SDs, 0 SdLazy, 274 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 234.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 71.9ms AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 24.3ms SsaConstructionTime, 189.1ms SatisfiabilityAnalysisTime, 258.9ms InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 249 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 50/50 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 could not prove your program: unable to determine feasibility of some traces
[2021-10-16 02:07:17,289 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2a8f9-2689-4e42-b4a3-923ab50c390a/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...