./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c --full-output --architecture 32bit


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


Checking for memory safety (deref-memtrack)
Using default analysis
Version 2329fc70
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0afd1e-cba9-40cd-ae62-66730eef405a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0afd1e-cba9-40cd-ae62-66730eef405a/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0afd1e-cba9-40cd-ae62-66730eef405a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0afd1e-cba9-40cd-ae62-66730eef405a/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0afd1e-cba9-40cd-ae62-66730eef405a/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0afd1e-cba9-40cd-ae62-66730eef405a/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )

 --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9e57556025294612a4983c83f08462039130a71f3900642f3b13b79e1ecf173
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-2329fc7
[2022-12-14 05:01:54,370 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-12-14 05:01:54,372 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-12-14 05:01:54,389 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-12-14 05:01:54,390 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-12-14 05:01:54,390 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-12-14 05:01:54,392 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-12-14 05:01:54,393 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-12-14 05:01:54,394 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-12-14 05:01:54,395 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-12-14 05:01:54,396 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-12-14 05:01:54,397 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-12-14 05:01:54,397 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-12-14 05:01:54,398 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-12-14 05:01:54,399 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-12-14 05:01:54,400 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-12-14 05:01:54,401 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-12-14 05:01:54,402 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-12-14 05:01:54,403 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-12-14 05:01:54,405 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-12-14 05:01:54,406 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-12-14 05:01:54,407 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-12-14 05:01:54,408 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-12-14 05:01:54,409 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-12-14 05:01:54,412 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-12-14 05:01:54,413 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-12-14 05:01:54,413 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-12-14 05:01:54,414 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-12-14 05:01:54,414 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-12-14 05:01:54,415 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-12-14 05:01:54,415 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-12-14 05:01:54,416 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-12-14 05:01:54,417 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-12-14 05:01:54,417 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-12-14 05:01:54,418 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-12-14 05:01:54,418 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-12-14 05:01:54,419 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-12-14 05:01:54,419 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-12-14 05:01:54,419 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-12-14 05:01:54,420 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-12-14 05:01:54,420 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-12-14 05:01:54,421 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0afd1e-cba9-40cd-ae62-66730eef405a/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf
[2022-12-14 05:01:54,440 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-12-14 05:01:54,440 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-12-14 05:01:54,440 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-12-14 05:01:54,441 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-12-14 05:01:54,441 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-12-14 05:01:54,441 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-12-14 05:01:54,442 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2022-12-14 05:01:54,442 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2022-12-14 05:01:54,442 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2022-12-14 05:01:54,442 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2022-12-14 05:01:54,442 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2022-12-14 05:01:54,443 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2022-12-14 05:01:54,443 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2022-12-14 05:01:54,443 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2022-12-14 05:01:54,443 INFO  L138        SettingsManager]:  * Interval Domain=false
[2022-12-14 05:01:54,443 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2022-12-14 05:01:54,443 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2022-12-14 05:01:54,444 INFO  L138        SettingsManager]:  * Simplification Technique=POLY_PAC
[2022-12-14 05:01:54,444 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-12-14 05:01:54,444 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-12-14 05:01:54,444 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-12-14 05:01:54,445 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-12-14 05:01:54,445 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-12-14 05:01:54,445 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-12-14 05:01:54,445 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-12-14 05:01:54,445 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-12-14 05:01:54,445 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2022-12-14 05:01:54,446 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2022-12-14 05:01:54,446 INFO  L138        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2022-12-14 05:01:54,446 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-12-14 05:01:54,446 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2022-12-14 05:01:54,446 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-12-14 05:01:54,446 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-12-14 05:01:54,446 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-12-14 05:01:54,447 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-12-14 05:01:54,447 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-14 05:01:54,447 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-12-14 05:01:54,447 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
[2022-12-14 05:01:54,447 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-12-14 05:01:54,447 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2022-12-14 05:01:54,448 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-12-14 05:01:54,448 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2022-12-14 05:01:54,448 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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_ff0afd1e-cba9-40cd-ae62-66730eef405a/bin/utaipan-gh47qXpMRh/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_ff0afd1e-cba9-40cd-ae62-66730eef405a/bin/utaipan-gh47qXpMRh
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 valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )


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 -> a9e57556025294612a4983c83f08462039130a71f3900642f3b13b79e1ecf173
[2022-12-14 05:01:54,621 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-12-14 05:01:54,638 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-12-14 05:01:54,640 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-12-14 05:01:54,641 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-12-14 05:01:54,641 INFO  L275        PluginConnector]: CDTParser initialized
[2022-12-14 05:01:54,642 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0afd1e-cba9-40cd-ae62-66730eef405a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c
[2022-12-14 05:01:57,170 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2022-12-14 05:01:57,329 INFO  L351              CDTParser]: Found 1 translation units.
[2022-12-14 05:01:57,329 INFO  L172              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0afd1e-cba9-40cd-ae62-66730eef405a/sv-benchmarks/c/ldv-memsafety/StructInitialization2.c
[2022-12-14 05:01:57,335 INFO  L394              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0afd1e-cba9-40cd-ae62-66730eef405a/bin/utaipan-gh47qXpMRh/data/91f54b53b/741be05655274e6f942a39fd76b2b0ad/FLAGd1f42dc7d
[2022-12-14 05:01:57,747 INFO  L402              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0afd1e-cba9-40cd-ae62-66730eef405a/bin/utaipan-gh47qXpMRh/data/91f54b53b/741be05655274e6f942a39fd76b2b0ad
[2022-12-14 05:01:57,750 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-12-14 05:01:57,751 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-12-14 05:01:57,753 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-12-14 05:01:57,753 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-12-14 05:01:57,756 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-12-14 05:01:57,757 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:01:57" (1/1) ...
[2022-12-14 05:01:57,758 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c680c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:57, skipping insertion in model container
[2022-12-14 05:01:57,758 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:01:57" (1/1) ...
[2022-12-14 05:01:57,764 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-12-14 05:01:57,780 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-12-14 05:01:57,902 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-12-14 05:01:57,918 INFO  L203         MainTranslator]: Completed pre-run
[2022-12-14 05:01:57,937 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-12-14 05:01:57,961 INFO  L208         MainTranslator]: Completed translation
[2022-12-14 05:01:57,961 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:57 WrapperNode
[2022-12-14 05:01:57,961 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-12-14 05:01:57,962 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-12-14 05:01:57,962 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-12-14 05:01:57,962 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-12-14 05:01:57,968 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:57" (1/1) ...
[2022-12-14 05:01:57,975 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:57" (1/1) ...
[2022-12-14 05:01:57,995 INFO  L138                Inliner]: procedures = 11, calls = 82, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 220
[2022-12-14 05:01:57,995 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-12-14 05:01:57,995 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-12-14 05:01:57,995 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-12-14 05:01:57,995 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-12-14 05:01:58,003 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:57" (1/1) ...
[2022-12-14 05:01:58,003 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:57" (1/1) ...
[2022-12-14 05:01:58,006 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:57" (1/1) ...
[2022-12-14 05:01:58,006 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:57" (1/1) ...
[2022-12-14 05:01:58,016 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:57" (1/1) ...
[2022-12-14 05:01:58,017 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:57" (1/1) ...
[2022-12-14 05:01:58,018 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:57" (1/1) ...
[2022-12-14 05:01:58,019 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:57" (1/1) ...
[2022-12-14 05:01:58,021 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-12-14 05:01:58,022 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-12-14 05:01:58,022 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-12-14 05:01:58,022 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-12-14 05:01:58,023 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:57" (1/1) ...
[2022-12-14 05:01:58,028 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-14 05:01:58,037 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0afd1e-cba9-40cd-ae62-66730eef405a/bin/utaipan-gh47qXpMRh/z3
[2022-12-14 05:01:58,048 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0afd1e-cba9-40cd-ae62-66730eef405a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-12-14 05:01:58,050 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0afd1e-cba9-40cd-ae62-66730eef405a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-12-14 05:01:58,084 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2022-12-14 05:01:58,084 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2022-12-14 05:01:58,084 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-12-14 05:01:58,085 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-12-14 05:01:58,085 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-12-14 05:01:58,085 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-12-14 05:01:58,085 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-12-14 05:01:58,177 INFO  L235             CfgBuilder]: Building ICFG
[2022-12-14 05:01:58,179 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-12-14 05:01:58,567 INFO  L276             CfgBuilder]: Performing block encoding
[2022-12-14 05:01:58,598 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-12-14 05:01:58,598 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-12-14 05:01:58,600 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:01:58 BoogieIcfgContainer
[2022-12-14 05:01:58,600 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-12-14 05:01:58,602 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-12-14 05:01:58,602 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-12-14 05:01:58,604 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-12-14 05:01:58,604 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:01:57" (1/3) ...
[2022-12-14 05:01:58,605 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ed5163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:01:58, skipping insertion in model container
[2022-12-14 05:01:58,605 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:57" (2/3) ...
[2022-12-14 05:01:58,605 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ed5163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:01:58, skipping insertion in model container
[2022-12-14 05:01:58,605 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:01:58" (3/3) ...
[2022-12-14 05:01:58,606 INFO  L112   eAbstractionObserver]: Analyzing ICFG StructInitialization2.c
[2022-12-14 05:01:58,620 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-12-14 05:01:58,620 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations.
[2022-12-14 05:01:58,653 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-12-14 05:01:58,658 INFO  L357      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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4125390, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-12-14 05:01:58,658 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 81 error locations.
[2022-12-14 05:01:58,661 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 124 states, 42 states have (on average 2.9285714285714284) internal successors, (123), 123 states have internal predecessors, (123), 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)
[2022-12-14 05:01:58,665 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2022-12-14 05:01:58,665 INFO  L187           NwaCegarLoop]: Found error trace
[2022-12-14 05:01:58,666 INFO  L195           NwaCegarLoop]: trace histogram [1, 1]
[2022-12-14 05:01:58,666 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 78 more)] ===
[2022-12-14 05:01:58,669 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-14 05:01:58,669 INFO  L85        PathProgramCache]: Analyzing trace with hash 5956, now seen corresponding path program 1 times
[2022-12-14 05:01:58,676 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-12-14 05:01:58,676 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49020934]
[2022-12-14 05:01:58,676 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-14 05:01:58,677 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-14 05:01:58,764 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-14 05:01:58,897 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-14 05:01:58,897 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-12-14 05:01:58,897 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49020934]
[2022-12-14 05:01:58,898 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49020934] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-14 05:01:58,898 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-14 05:01:58,898 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-12-14 05:01:58,899 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973898109]
[2022-12-14 05:01:58,900 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-14 05:01:58,903 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-14 05:01:58,903 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-12-14 05:01:58,923 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-14 05:01:58,924 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-14 05:01:58,925 INFO  L87              Difference]: Start difference. First operand  has 124 states, 42 states have (on average 2.9285714285714284) internal successors, (123), 123 states have internal predecessors, (123), 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, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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)
[2022-12-14 05:01:59,087 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-14 05:01:59,088 INFO  L93              Difference]: Finished difference Result 84 states and 83 transitions.
[2022-12-14 05:01:59,089 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-12-14 05:01:59,090 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2
[2022-12-14 05:01:59,090 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-14 05:01:59,095 INFO  L225             Difference]: With dead ends: 84
[2022-12-14 05:01:59,096 INFO  L226             Difference]: Without dead ends: 83
[2022-12-14 05:01:59,097 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-14 05:01:59,099 INFO  L413           NwaCegarLoop]: 0 mSDtfsCounter, 82 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-12-14 05:01:59,100 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 0 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-12-14 05:01:59,118 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 83 states.
[2022-12-14 05:01:59,132 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83.
[2022-12-14 05:01:59,133 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 83 states, 42 states have (on average 1.9523809523809523) internal successors, (82), 82 states have internal predecessors, (82), 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)
[2022-12-14 05:01:59,134 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 82 transitions.
[2022-12-14 05:01:59,136 INFO  L78                 Accepts]: Start accepts. Automaton has 83 states and 82 transitions. Word has length 2
[2022-12-14 05:01:59,136 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-12-14 05:01:59,136 INFO  L495      AbstractCegarLoop]: Abstraction has 83 states and 82 transitions.
[2022-12-14 05:01:59,136 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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)
[2022-12-14 05:01:59,136 INFO  L276                IsEmpty]: Start isEmpty. Operand 83 states and 82 transitions.
[2022-12-14 05:01:59,137 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2022-12-14 05:01:59,137 INFO  L187           NwaCegarLoop]: Found error trace
[2022-12-14 05:01:59,137 INFO  L195           NwaCegarLoop]: trace histogram [1, 1]
[2022-12-14 05:01:59,137 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-12-14 05:01:59,137 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 78 more)] ===
[2022-12-14 05:01:59,138 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-14 05:01:59,138 INFO  L85        PathProgramCache]: Analyzing trace with hash 5957, now seen corresponding path program 1 times
[2022-12-14 05:01:59,139 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-12-14 05:01:59,139 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447402020]
[2022-12-14 05:01:59,139 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-14 05:01:59,139 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-14 05:01:59,165 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-14 05:01:59,276 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-14 05:01:59,277 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-12-14 05:01:59,277 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447402020]
[2022-12-14 05:01:59,277 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447402020] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-14 05:01:59,277 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-14 05:01:59,277 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-12-14 05:01:59,278 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436125311]
[2022-12-14 05:01:59,278 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-14 05:01:59,279 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-14 05:01:59,279 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-12-14 05:01:59,279 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-14 05:01:59,279 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-14 05:01:59,280 INFO  L87              Difference]: Start difference. First operand 83 states and 82 transitions. Second operand  has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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)
[2022-12-14 05:01:59,381 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-14 05:01:59,381 INFO  L93              Difference]: Finished difference Result 43 states and 42 transitions.
[2022-12-14 05:01:59,381 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-12-14 05:01:59,381 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2
[2022-12-14 05:01:59,381 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-14 05:01:59,382 INFO  L225             Difference]: With dead ends: 43
[2022-12-14 05:01:59,382 INFO  L226             Difference]: Without dead ends: 43
[2022-12-14 05:01:59,382 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-14 05:01:59,383 INFO  L413           NwaCegarLoop]: 1 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-12-14 05:01:59,383 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 1 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-12-14 05:01:59,384 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2022-12-14 05:01:59,385 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43.
[2022-12-14 05:01:59,386 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 43 states, 42 states have (on average 1.0) internal successors, (42), 42 states have internal predecessors, (42), 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)
[2022-12-14 05:01:59,386 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions.
[2022-12-14 05:01:59,386 INFO  L78                 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 2
[2022-12-14 05:01:59,386 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-12-14 05:01:59,387 INFO  L495      AbstractCegarLoop]: Abstraction has 43 states and 42 transitions.
[2022-12-14 05:01:59,387 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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)
[2022-12-14 05:01:59,387 INFO  L276                IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions.
[2022-12-14 05:01:59,388 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2022-12-14 05:01:59,388 INFO  L187           NwaCegarLoop]: Found error trace
[2022-12-14 05:01:59,388 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-14 05:01:59,388 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-12-14 05:01:59,389 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 78 more)] ===
[2022-12-14 05:01:59,389 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-14 05:01:59,389 INFO  L85        PathProgramCache]: Analyzing trace with hash 583292792, now seen corresponding path program 1 times
[2022-12-14 05:01:59,389 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-12-14 05:01:59,390 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216616490]
[2022-12-14 05:01:59,390 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-14 05:01:59,390 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-14 05:01:59,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-14 05:01:59,492 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-14 05:01:59,492 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-12-14 05:01:59,493 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216616490]
[2022-12-14 05:01:59,493 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216616490] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-14 05:01:59,493 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-14 05:01:59,493 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-12-14 05:01:59,493 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033451080]
[2022-12-14 05:01:59,493 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-14 05:01:59,494 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-14 05:01:59,494 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-12-14 05:01:59,495 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-14 05:01:59,495 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-14 05:01:59,495 INFO  L87              Difference]: Start difference. First operand 43 states and 42 transitions. Second operand  has 3 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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)
[2022-12-14 05:01:59,551 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-14 05:01:59,551 INFO  L93              Difference]: Finished difference Result 42 states and 41 transitions.
[2022-12-14 05:01:59,551 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-12-14 05:01:59,551 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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 42
[2022-12-14 05:01:59,552 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-14 05:01:59,552 INFO  L225             Difference]: With dead ends: 42
[2022-12-14 05:01:59,552 INFO  L226             Difference]: Without dead ends: 0
[2022-12-14 05:01:59,552 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-14 05:01:59,554 INFO  L413           NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-12-14 05:01:59,554 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-12-14 05:01:59,555 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-12-14 05:01:59,555 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-12-14 05:01:59,555 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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)
[2022-12-14 05:01:59,555 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-12-14 05:01:59,555 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42
[2022-12-14 05:01:59,555 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-12-14 05:01:59,555 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-12-14 05:01:59,555 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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)
[2022-12-14 05:01:59,555 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-12-14 05:01:59,555 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-12-14 05:01:59,557 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 81 remaining)
[2022-12-14 05:01:59,558 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 81 remaining)
[2022-12-14 05:01:59,558 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 81 remaining)
[2022-12-14 05:01:59,558 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 81 remaining)
[2022-12-14 05:01:59,558 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 81 remaining)
[2022-12-14 05:01:59,558 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 81 remaining)
[2022-12-14 05:01:59,558 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 81 remaining)
[2022-12-14 05:01:59,558 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 81 remaining)
[2022-12-14 05:01:59,559 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 81 remaining)
[2022-12-14 05:01:59,559 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 81 remaining)
[2022-12-14 05:01:59,559 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 81 remaining)
[2022-12-14 05:01:59,559 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 81 remaining)
[2022-12-14 05:01:59,559 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 81 remaining)
[2022-12-14 05:01:59,559 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 81 remaining)
[2022-12-14 05:01:59,559 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 81 remaining)
[2022-12-14 05:01:59,559 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 81 remaining)
[2022-12-14 05:01:59,559 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 81 remaining)
[2022-12-14 05:01:59,560 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 81 remaining)
[2022-12-14 05:01:59,560 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 81 remaining)
[2022-12-14 05:01:59,560 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 81 remaining)
[2022-12-14 05:01:59,560 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 81 remaining)
[2022-12-14 05:01:59,560 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 81 remaining)
[2022-12-14 05:01:59,560 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 81 remaining)
[2022-12-14 05:01:59,560 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 81 remaining)
[2022-12-14 05:01:59,560 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 81 remaining)
[2022-12-14 05:01:59,560 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 81 remaining)
[2022-12-14 05:01:59,560 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 81 remaining)
[2022-12-14 05:01:59,561 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 81 remaining)
[2022-12-14 05:01:59,561 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 81 remaining)
[2022-12-14 05:01:59,561 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 81 remaining)
[2022-12-14 05:01:59,561 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 81 remaining)
[2022-12-14 05:01:59,561 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 81 remaining)
[2022-12-14 05:01:59,561 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 81 remaining)
[2022-12-14 05:01:59,561 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 81 remaining)
[2022-12-14 05:01:59,561 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 81 remaining)
[2022-12-14 05:01:59,561 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 81 remaining)
[2022-12-14 05:01:59,562 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 81 remaining)
[2022-12-14 05:01:59,562 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 81 remaining)
[2022-12-14 05:01:59,562 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 81 remaining)
[2022-12-14 05:01:59,562 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 81 remaining)
[2022-12-14 05:01:59,562 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 81 remaining)
[2022-12-14 05:01:59,562 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 81 remaining)
[2022-12-14 05:01:59,562 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 81 remaining)
[2022-12-14 05:01:59,562 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 81 remaining)
[2022-12-14 05:01:59,562 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 81 remaining)
[2022-12-14 05:01:59,563 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 81 remaining)
[2022-12-14 05:01:59,563 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 81 remaining)
[2022-12-14 05:01:59,563 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 81 remaining)
[2022-12-14 05:01:59,563 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 81 remaining)
[2022-12-14 05:01:59,563 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 81 remaining)
[2022-12-14 05:01:59,563 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 81 remaining)
[2022-12-14 05:01:59,563 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 81 remaining)
[2022-12-14 05:01:59,563 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 81 remaining)
[2022-12-14 05:01:59,563 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 81 remaining)
[2022-12-14 05:01:59,564 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 81 remaining)
[2022-12-14 05:01:59,564 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 81 remaining)
[2022-12-14 05:01:59,564 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 81 remaining)
[2022-12-14 05:01:59,564 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 81 remaining)
[2022-12-14 05:01:59,564 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 81 remaining)
[2022-12-14 05:01:59,564 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 81 remaining)
[2022-12-14 05:01:59,564 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 81 remaining)
[2022-12-14 05:01:59,564 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 81 remaining)
[2022-12-14 05:01:59,564 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 81 remaining)
[2022-12-14 05:01:59,564 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 81 remaining)
[2022-12-14 05:01:59,564 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 81 remaining)
[2022-12-14 05:01:59,565 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 81 remaining)
[2022-12-14 05:01:59,565 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 81 remaining)
[2022-12-14 05:01:59,565 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 81 remaining)
[2022-12-14 05:01:59,565 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 81 remaining)
[2022-12-14 05:01:59,565 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 81 remaining)
[2022-12-14 05:01:59,565 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 81 remaining)
[2022-12-14 05:01:59,565 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 81 remaining)
[2022-12-14 05:01:59,565 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 81 remaining)
[2022-12-14 05:01:59,565 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 81 remaining)
[2022-12-14 05:01:59,565 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 81 remaining)
[2022-12-14 05:01:59,566 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 81 remaining)
[2022-12-14 05:01:59,566 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 81 remaining)
[2022-12-14 05:01:59,566 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 81 remaining)
[2022-12-14 05:01:59,566 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 81 remaining)
[2022-12-14 05:01:59,566 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 81 remaining)
[2022-12-14 05:01:59,566 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK (0 of 81 remaining)
[2022-12-14 05:01:59,566 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-12-14 05:01:59,569 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2022-12-14 05:01:59,571 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-12-14 05:01:59,573 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:01:59 BoogieIcfgContainer
[2022-12-14 05:01:59,573 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-12-14 05:01:59,573 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-12-14 05:01:59,573 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-12-14 05:01:59,574 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-12-14 05:01:59,574 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:01:58" (3/4) ...
[2022-12-14 05:01:59,576 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-12-14 05:01:59,585 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges
[2022-12-14 05:01:59,586 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2022-12-14 05:01:59,586 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2022-12-14 05:01:59,586 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-12-14 05:01:59,627 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0afd1e-cba9-40cd-ae62-66730eef405a/bin/utaipan-gh47qXpMRh/witness.graphml
[2022-12-14 05:01:59,627 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-12-14 05:01:59,628 INFO  L158              Benchmark]: Toolchain (without parser) took 1876.83ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 112.0MB in the beginning and 74.6MB in the end (delta: 37.4MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB.
[2022-12-14 05:01:59,628 INFO  L158              Benchmark]: CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-12-14 05:01:59,628 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 209.15ms. Allocated memory is still 146.8MB. Free memory was 112.0MB in the beginning and 99.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-12-14 05:01:59,628 INFO  L158              Benchmark]: Boogie Procedure Inliner took 32.63ms. Allocated memory is still 146.8MB. Free memory was 99.4MB in the beginning and 96.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-14 05:01:59,628 INFO  L158              Benchmark]: Boogie Preprocessor took 26.02ms. Allocated memory is still 146.8MB. Free memory was 96.9MB in the beginning and 93.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-12-14 05:01:59,629 INFO  L158              Benchmark]: RCFGBuilder took 578.58ms. Allocated memory is still 146.8MB. Free memory was 93.6MB in the beginning and 102.1MB in the end (delta: -8.5MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB.
[2022-12-14 05:01:59,629 INFO  L158              Benchmark]: TraceAbstraction took 971.20ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 100.8MB in the beginning and 80.9MB in the end (delta: 19.9MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB.
[2022-12-14 05:01:59,629 INFO  L158              Benchmark]: Witness Printer took 54.02ms. Allocated memory is still 176.2MB. Free memory was 80.9MB in the beginning and 74.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2022-12-14 05:01:59,630 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 209.15ms. Allocated memory is still 146.8MB. Free memory was 112.0MB in the beginning and 99.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 32.63ms. Allocated memory is still 146.8MB. Free memory was 99.4MB in the beginning and 96.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 26.02ms. Allocated memory is still 146.8MB. Free memory was 96.9MB in the beginning and 93.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * RCFGBuilder took 578.58ms. Allocated memory is still 146.8MB. Free memory was 93.6MB in the beginning and 102.1MB in the end (delta: -8.5MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 971.20ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 100.8MB in the beginning and 80.9MB in the end (delta: 19.9MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB.
 * Witness Printer took 54.02ms. Allocated memory is still 176.2MB. Free memory was 80.9MB in the beginning and 74.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: -1]: pointer dereference always succeeds
    For all program executions holds that pointer dereference always succeeds at this location
  - PositiveResult [Line: 128]: all allocated memory was freed
    For all program executions holds that all allocated memory was freed at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 124 locations, 81 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 165 IncrementalHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 1 mSDtfsCounter, 165 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 148 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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
  - AllSpecificationsHoldResult: All specifications hold
    81 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-12-14 05:01:59,647 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0afd1e-cba9-40cd-ae62-66730eef405a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE