./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_01_good.i --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version 4e7fbc69
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a920931-0a72-4e43-beb7-aa72c0d4f14c/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a920931-0a72-4e43-beb7-aa72c0d4f14c/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a920931-0a72-4e43-beb7-aa72c0d4f14c/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a920931-0a72-4e43-beb7-aa72c0d4f14c/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_01_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a920931-0a72-4e43-beb7-aa72c0d4f14c/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a920931-0a72-4e43-beb7-aa72c0d4f14c/bin/utaipan-Q6hlc19bkW --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 64bit --witnessprinter.graph.data.programhash 3c387cd962424d7cd3641a60ac93e9960b43f0d65395efc124f87f7b77635567
--- 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-4e7fbc6
[2022-11-23 14:49:21,411 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-23 14:49:21,413 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-23 14:49:21,434 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-23 14:49:21,434 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-23 14:49:21,435 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-23 14:49:21,437 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-23 14:49:21,438 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-23 14:49:21,440 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-23 14:49:21,441 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-23 14:49:21,442 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-23 14:49:21,444 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-23 14:49:21,445 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-23 14:49:21,448 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-23 14:49:21,452 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-23 14:49:21,453 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-23 14:49:21,456 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-23 14:49:21,457 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-23 14:49:21,463 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-23 14:49:21,465 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-23 14:49:21,468 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-23 14:49:21,469 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-23 14:49:21,472 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-23 14:49:21,474 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-23 14:49:21,478 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-23 14:49:21,484 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-23 14:49:21,485 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-23 14:49:21,486 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-23 14:49:21,487 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-23 14:49:21,489 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-23 14:49:21,492 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-23 14:49:21,493 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-23 14:49:21,494 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-23 14:49:21,496 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-23 14:49:21,497 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-23 14:49:21,498 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-23 14:49:21,500 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-23 14:49:21,500 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-23 14:49:21,500 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-23 14:49:21,502 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-23 14:49:21,504 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-23 14:49:21,505 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a920931-0a72-4e43-beb7-aa72c0d4f14c/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf
[2022-11-23 14:49:21,541 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-23 14:49:21,543 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-23 14:49:21,544 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-23 14:49:21,544 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-23 14:49:21,545 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-23 14:49:21,545 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-23 14:49:21,545 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2022-11-23 14:49:21,546 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2022-11-23 14:49:21,546 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2022-11-23 14:49:21,546 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2022-11-23 14:49:21,547 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2022-11-23 14:49:21,547 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2022-11-23 14:49:21,548 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2022-11-23 14:49:21,548 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2022-11-23 14:49:21,548 INFO  L138        SettingsManager]:  * Interval Domain=false
[2022-11-23 14:49:21,548 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2022-11-23 14:49:21,548 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2022-11-23 14:49:21,549 INFO  L138        SettingsManager]:  * Simplification Technique=POLY_PAC
[2022-11-23 14:49:21,549 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-23 14:49:21,550 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-11-23 14:49:21,550 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-23 14:49:21,550 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-23 14:49:21,550 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-23 14:49:21,550 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-23 14:49:21,551 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-23 14:49:21,551 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2022-11-23 14:49:21,551 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-23 14:49:21,551 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-23 14:49:21,552 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-23 14:49:21,552 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-23 14:49:21,552 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-23 14:49:21,552 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-23 14:49:21,553 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-23 14:49:21,553 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
[2022-11-23 14:49:21,553 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-23 14:49:21,553 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-23 14:49:21,554 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2022-11-23 14:49:21,554 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-23 14:49:21,554 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-23 14:49:21,554 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2022-11-23 14:49:21,555 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_1a920931-0a72-4e43-beb7-aa72c0d4f14c/bin/utaipan-Q6hlc19bkW/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_1a920931-0a72-4e43-beb7-aa72c0d4f14c/bin/utaipan-Q6hlc19bkW
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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c387cd962424d7cd3641a60ac93e9960b43f0d65395efc124f87f7b77635567
[2022-11-23 14:49:21,869 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-23 14:49:21,905 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-23 14:49:21,907 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-23 14:49:21,909 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-23 14:49:21,909 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-23 14:49:21,910 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a920931-0a72-4e43-beb7-aa72c0d4f14c/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_01_good.i
[2022-11-23 14:49:25,076 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2022-11-23 14:49:25,458 INFO  L351              CDTParser]: Found 1 translation units.
[2022-11-23 14:49:25,459 INFO  L172              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a920931-0a72-4e43-beb7-aa72c0d4f14c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_01_good.i
[2022-11-23 14:49:25,483 INFO  L394              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a920931-0a72-4e43-beb7-aa72c0d4f14c/bin/utaipan-Q6hlc19bkW/data/4948d8f0c/842700e768a74f24b821821161e1b7c4/FLAG8b2d60980
[2022-11-23 14:49:25,499 INFO  L402              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a920931-0a72-4e43-beb7-aa72c0d4f14c/bin/utaipan-Q6hlc19bkW/data/4948d8f0c/842700e768a74f24b821821161e1b7c4
[2022-11-23 14:49:25,501 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-23 14:49:25,503 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-23 14:49:25,505 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-23 14:49:25,505 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-23 14:49:25,509 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-23 14:49:25,510 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:49:25" (1/1) ...
[2022-11-23 14:49:25,511 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ddbb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:25, skipping insertion in model container
[2022-11-23 14:49:25,511 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:49:25" (1/1) ...
[2022-11-23 14:49:25,519 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-23 14:49:25,569 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-23 14:49:26,020 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2022-11-23 14:49:26,623 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-23 14:49:26,645 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-23 14:49:26,678 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2022-11-23 14:49:26,791 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-23 14:49:27,000 INFO  L208         MainTranslator]: Completed translation
[2022-11-23 14:49:27,001 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27 WrapperNode
[2022-11-23 14:49:27,001 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-23 14:49:27,002 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-23 14:49:27,003 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-23 14:49:27,003 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-23 14:49:27,010 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ...
[2022-11-23 14:49:27,055 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ...
[2022-11-23 14:49:27,092 INFO  L138                Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70
[2022-11-23 14:49:27,092 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-23 14:49:27,093 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-23 14:49:27,093 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-23 14:49:27,094 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-23 14:49:27,104 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ...
[2022-11-23 14:49:27,104 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ...
[2022-11-23 14:49:27,107 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ...
[2022-11-23 14:49:27,108 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ...
[2022-11-23 14:49:27,114 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ...
[2022-11-23 14:49:27,116 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ...
[2022-11-23 14:49:27,118 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ...
[2022-11-23 14:49:27,119 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ...
[2022-11-23 14:49:27,122 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-23 14:49:27,123 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-23 14:49:27,123 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-23 14:49:27,123 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-23 14:49:27,124 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ...
[2022-11-23 14:49:27,132 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-23 14:49:27,144 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a920931-0a72-4e43-beb7-aa72c0d4f14c/bin/utaipan-Q6hlc19bkW/z3
[2022-11-23 14:49:27,160 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a920931-0a72-4e43-beb7-aa72c0d4f14c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-23 14:49:27,195 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a920931-0a72-4e43-beb7-aa72c0d4f14c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-23 14:49:27,216 INFO  L130     BoogieDeclarations]: Found specification of procedure printIntLine
[2022-11-23 14:49:27,217 INFO  L138     BoogieDeclarations]: Found implementation of procedure printIntLine
[2022-11-23 14:49:27,217 INFO  L130     BoogieDeclarations]: Found specification of procedure printLine
[2022-11-23 14:49:27,217 INFO  L138     BoogieDeclarations]: Found implementation of procedure printLine
[2022-11-23 14:49:27,218 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-23 14:49:27,218 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-23 14:49:27,218 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-23 14:49:27,218 INFO  L130     BoogieDeclarations]: Found specification of procedure time
[2022-11-23 14:49:27,218 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-23 14:49:27,456 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-23 14:49:27,458 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-23 14:49:27,614 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-23 14:49:27,694 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-23 14:49:27,694 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-23 14:49:27,697 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:27 BoogieIcfgContainer
[2022-11-23 14:49:27,697 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-23 14:49:27,700 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-23 14:49:27,700 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-23 14:49:27,703 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-23 14:49:27,704 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:49:25" (1/3) ...
[2022-11-23 14:49:27,704 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1c8035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:49:27, skipping insertion in model container
[2022-11-23 14:49:27,705 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (2/3) ...
[2022-11-23 14:49:27,705 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1c8035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:49:27, skipping insertion in model container
[2022-11-23 14:49:27,705 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:27" (3/3) ...
[2022-11-23 14:49:27,707 INFO  L112   eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_01_good.i
[2022-11-23 14:49:27,731 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-23 14:49:27,732 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2022-11-23 14:49:27,796 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-23 14:49:27,803 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=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@447aa1bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-23 14:49:27,804 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-11-23 14:49:27,808 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 24 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 17 states have internal predecessors, (17), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5)
[2022-11-23 14:49:27,816 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2022-11-23 14:49:27,816 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-23 14:49:27,817 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2022-11-23 14:49:27,817 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2022-11-23 14:49:27,826 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-23 14:49:27,827 INFO  L85        PathProgramCache]: Analyzing trace with hash -1585099646, now seen corresponding path program 1 times
[2022-11-23 14:49:27,838 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-11-23 14:49:27,838 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113772866]
[2022-11-23 14:49:27,839 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-23 14:49:27,839 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-23 14:49:27,994 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-23 14:49:28,117 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-23 14:49:28,118 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-11-23 14:49:28,118 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113772866]
[2022-11-23 14:49:28,119 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113772866] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-23 14:49:28,119 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-23 14:49:28,120 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-23 14:49:28,121 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894239472]
[2022-11-23 14:49:28,122 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-23 14:49:28,126 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-23 14:49:28,126 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-11-23 14:49:28,156 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-23 14:49:28,157 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-23 14:49:28,159 INFO  L87              Difference]: Start difference. First operand  has 24 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 17 states have internal predecessors, (17), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand  has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-23 14:49:28,209 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-23 14:49:28,210 INFO  L93              Difference]: Finished difference Result 24 states and 27 transitions.
[2022-11-23 14:49:28,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-23 14:49:28,213 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6
[2022-11-23 14:49:28,213 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-23 14:49:28,220 INFO  L225             Difference]: With dead ends: 24
[2022-11-23 14:49:28,221 INFO  L226             Difference]: Without dead ends: 17
[2022-11-23 14:49:28,224 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-23 14:49:28,227 INFO  L413           NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-23 14:49:28,229 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 33 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-23 14:49:28,247 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2022-11-23 14:49:28,263 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2022-11-23 14:49:28,264 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 17 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-11-23 14:49:28,265 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions.
[2022-11-23 14:49:28,267 INFO  L78                 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 6
[2022-11-23 14:49:28,267 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-23 14:49:28,267 INFO  L495      AbstractCegarLoop]: Abstraction has 17 states and 16 transitions.
[2022-11-23 14:49:28,268 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-23 14:49:28,268 INFO  L276                IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions.
[2022-11-23 14:49:28,268 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2022-11-23 14:49:28,268 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-23 14:49:28,269 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-23 14:49:28,269 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-23 14:49:28,269 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2022-11-23 14:49:28,270 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-23 14:49:28,270 INFO  L85        PathProgramCache]: Analyzing trace with hash -1893448722, now seen corresponding path program 1 times
[2022-11-23 14:49:28,270 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-11-23 14:49:28,271 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503925764]
[2022-11-23 14:49:28,271 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-23 14:49:28,271 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-23 14:49:28,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-23 14:49:28,352 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-23 14:49:28,353 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-11-23 14:49:28,353 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503925764]
[2022-11-23 14:49:28,353 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503925764] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-23 14:49:28,353 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-23 14:49:28,353 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-23 14:49:28,354 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322162399]
[2022-11-23 14:49:28,354 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-23 14:49:28,355 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-23 14:49:28,355 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-11-23 14:49:28,356 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-23 14:49:28,356 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-23 14:49:28,356 INFO  L87              Difference]: Start difference. First operand 17 states and 16 transitions. Second operand  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-23 14:49:28,380 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-23 14:49:28,381 INFO  L93              Difference]: Finished difference Result 17 states and 16 transitions.
[2022-11-23 14:49:28,386 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-23 14:49:28,386 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7
[2022-11-23 14:49:28,386 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-23 14:49:28,387 INFO  L225             Difference]: With dead ends: 17
[2022-11-23 14:49:28,387 INFO  L226             Difference]: Without dead ends: 16
[2022-11-23 14:49:28,387 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-23 14:49:28,389 INFO  L413           NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-23 14:49:28,389 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-23 14:49:28,390 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2022-11-23 14:49:28,393 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2022-11-23 14:49:28,395 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 16 states, 10 states have (on average 1.1) internal successors, (11), 11 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-11-23 14:49:28,396 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions.
[2022-11-23 14:49:28,396 INFO  L78                 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 7
[2022-11-23 14:49:28,397 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-23 14:49:28,398 INFO  L495      AbstractCegarLoop]: Abstraction has 16 states and 15 transitions.
[2022-11-23 14:49:28,398 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-23 14:49:28,398 INFO  L276                IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions.
[2022-11-23 14:49:28,400 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2022-11-23 14:49:28,401 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-23 14:49:28,401 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-23 14:49:28,401 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-23 14:49:28,402 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2022-11-23 14:49:28,402 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-23 14:49:28,408 INFO  L85        PathProgramCache]: Analyzing trace with hash -1560902138, now seen corresponding path program 1 times
[2022-11-23 14:49:28,409 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-11-23 14:49:28,409 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355638555]
[2022-11-23 14:49:28,409 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-23 14:49:28,409 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-23 14:49:28,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-23 14:49:28,632 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-23 14:49:28,632 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-11-23 14:49:28,633 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355638555]
[2022-11-23 14:49:28,633 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355638555] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-23 14:49:28,633 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-23 14:49:28,633 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-23 14:49:28,634 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899768273]
[2022-11-23 14:49:28,635 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-23 14:49:28,636 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-23 14:49:28,636 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-11-23 14:49:28,638 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-23 14:49:28,638 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-23 14:49:28,639 INFO  L87              Difference]: Start difference. First operand 16 states and 15 transitions. Second operand  has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2022-11-23 14:49:28,675 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-23 14:49:28,676 INFO  L93              Difference]: Finished difference Result 16 states and 15 transitions.
[2022-11-23 14:49:28,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-23 14:49:28,676 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13
[2022-11-23 14:49:28,677 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-23 14:49:28,677 INFO  L225             Difference]: With dead ends: 16
[2022-11-23 14:49:28,677 INFO  L226             Difference]: Without dead ends: 15
[2022-11-23 14:49:28,678 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-23 14:49:28,679 INFO  L413           NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-23 14:49:28,680 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 15 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-23 14:49:28,681 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2022-11-23 14:49:28,682 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2022-11-23 14:49:28,695 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 15 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-11-23 14:49:28,696 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions.
[2022-11-23 14:49:28,696 INFO  L78                 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 13
[2022-11-23 14:49:28,696 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-23 14:49:28,697 INFO  L495      AbstractCegarLoop]: Abstraction has 15 states and 14 transitions.
[2022-11-23 14:49:28,697 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2022-11-23 14:49:28,697 INFO  L276                IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions.
[2022-11-23 14:49:28,697 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-11-23 14:49:28,697 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-23 14:49:28,697 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-23 14:49:28,698 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-23 14:49:28,698 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2022-11-23 14:49:28,698 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-23 14:49:28,698 INFO  L85        PathProgramCache]: Analyzing trace with hash -1143325957, now seen corresponding path program 1 times
[2022-11-23 14:49:28,698 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-11-23 14:49:28,699 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721574658]
[2022-11-23 14:49:28,699 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-23 14:49:28,699 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-23 14:49:28,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-23 14:49:28,958 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-23 14:49:28,958 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-11-23 14:49:28,959 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721574658]
[2022-11-23 14:49:28,959 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721574658] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-23 14:49:28,960 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-23 14:49:28,960 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-23 14:49:28,960 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615720904]
[2022-11-23 14:49:28,960 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-23 14:49:28,961 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-23 14:49:28,961 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-11-23 14:49:28,962 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-23 14:49:28,962 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-23 14:49:28,962 INFO  L87              Difference]: Start difference. First operand 15 states and 14 transitions. Second operand  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2022-11-23 14:49:29,001 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-23 14:49:29,002 INFO  L93              Difference]: Finished difference Result 15 states and 14 transitions.
[2022-11-23 14:49:29,002 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-23 14:49:29,003 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14
[2022-11-23 14:49:29,003 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-23 14:49:29,003 INFO  L225             Difference]: With dead ends: 15
[2022-11-23 14:49:29,004 INFO  L226             Difference]: Without dead ends: 0
[2022-11-23 14:49:29,005 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-23 14:49:29,017 INFO  L413           NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-23 14:49:29,018 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 21 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-23 14:49:29,020 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-23 14:49:29,022 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-23 14:49:29,022 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)
[2022-11-23 14:49:29,023 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-23 14:49:29,023 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14
[2022-11-23 14:49:29,023 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-23 14:49:29,023 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-23 14:49:29,024 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2022-11-23 14:49:29,024 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-23 14:49:29,024 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-23 14:49:29,027 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2022-11-23 14:49:29,027 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2022-11-23 14:49:29,028 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2022-11-23 14:49:29,028 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2022-11-23 14:49:29,028 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-23 14:49:29,030 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-23 14:49:29,049 INFO  L902   garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true
[2022-11-23 14:49:29,049 INFO  L899   garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed.
[2022-11-23 14:49:29,050 INFO  L899   garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed.
[2022-11-23 14:49:29,050 INFO  L902   garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true
[2022-11-23 14:49:29,050 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1554) no Hoare annotation was computed.
[2022-11-23 14:49:29,050 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-23 14:49:29,050 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed.
[2022-11-23 14:49:29,051 INFO  L902   garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: true
[2022-11-23 14:49:29,051 INFO  L899   garLoopResultBuilder]: For program point L1572-1(lines 1559 1574) no Hoare annotation was computed.
[2022-11-23 14:49:29,051 INFO  L902   garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: true
[2022-11-23 14:49:29,051 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1554) no Hoare annotation was computed.
[2022-11-23 14:49:29,052 INFO  L899   garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed.
[2022-11-23 14:49:29,052 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed.
[2022-11-23 14:49:29,052 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-23 14:49:29,052 INFO  L899   garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed.
[2022-11-23 14:49:29,052 INFO  L899   garLoopResultBuilder]: For program point L1564(lines 1564 1573) no Hoare annotation was computed.
[2022-11-23 14:49:29,053 INFO  L902   garLoopResultBuilder]: At program point L1556(line 1556) the Hoare annotation is: true
[2022-11-23 14:49:29,053 INFO  L899   garLoopResultBuilder]: For program point L1556-1(lines 1548 1558) no Hoare annotation was computed.
[2022-11-23 14:49:29,053 INFO  L899   garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed.
[2022-11-23 14:49:29,053 INFO  L899   garLoopResultBuilder]: For program point L1554-1(line 1554) no Hoare annotation was computed.
[2022-11-23 14:49:29,054 INFO  L902   garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: true
[2022-11-23 14:49:29,054 INFO  L902   garLoopResultBuilder]: At program point L1585-1(line 1585) the Hoare annotation is: true
[2022-11-23 14:49:29,055 INFO  L902   garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: true
[2022-11-23 14:49:29,055 INFO  L899   garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed.
[2022-11-23 14:49:29,065 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2022-11-23 14:49:29,068 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-11-23 14:49:29,082 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:49:29 BoogieIcfgContainer
[2022-11-23 14:49:29,082 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-23 14:49:29,083 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-23 14:49:29,084 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-23 14:49:29,084 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-23 14:49:29,084 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:27" (3/4) ...
[2022-11-23 14:49:29,088 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-11-23 14:49:29,101 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2022-11-23 14:49:29,102 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2022-11-23 14:49:29,108 INFO  L915   BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges
[2022-11-23 14:49:29,109 INFO  L915   BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2022-11-23 14:49:29,109 INFO  L915   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2022-11-23 14:49:29,109 INFO  L915   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-23 14:49:29,162 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a920931-0a72-4e43-beb7-aa72c0d4f14c/bin/utaipan-Q6hlc19bkW/witness.graphml
[2022-11-23 14:49:29,163 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-23 14:49:29,164 INFO  L158              Benchmark]: Toolchain (without parser) took 3660.42ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 104.0MB in the beginning and 132.4MB in the end (delta: -28.4MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB.
[2022-11-23 14:49:29,164 INFO  L158              Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-23 14:49:29,164 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1496.86ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 104.0MB in the beginning and 145.3MB in the end (delta: -41.3MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB.
[2022-11-23 14:49:29,165 INFO  L158              Benchmark]: Boogie Procedure Inliner took 90.34ms. Allocated memory is still 195.0MB. Free memory was 145.3MB in the beginning and 142.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-23 14:49:29,165 INFO  L158              Benchmark]: Boogie Preprocessor took 29.08ms. Allocated memory is still 195.0MB. Free memory was 142.2MB in the beginning and 141.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-23 14:49:29,166 INFO  L158              Benchmark]: RCFGBuilder took 574.56ms. Allocated memory is still 195.0MB. Free memory was 141.1MB in the beginning and 121.2MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2022-11-23 14:49:29,166 INFO  L158              Benchmark]: TraceAbstraction took 1382.32ms. Allocated memory is still 195.0MB. Free memory was 121.2MB in the beginning and 135.6MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-23 14:49:29,166 INFO  L158              Benchmark]: Witness Printer took 79.41ms. Allocated memory is still 195.0MB. Free memory was 135.6MB in the beginning and 132.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-23 14:49:29,169 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1496.86ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 104.0MB in the beginning and 145.3MB in the end (delta: -41.3MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 90.34ms. Allocated memory is still 195.0MB. Free memory was 145.3MB in the beginning and 142.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 29.08ms. Allocated memory is still 195.0MB. Free memory was 142.2MB in the beginning and 141.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 574.56ms. Allocated memory is still 195.0MB. Free memory was 141.1MB in the beginning and 121.2MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1382.32ms. Allocated memory is still 195.0MB. Free memory was 121.2MB in the beginning and 135.6MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 79.41ms. Allocated memory is still 195.0MB. Free memory was 135.6MB in the beginning and 132.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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: 1554]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1554]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1566]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1566]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 86 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 41 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 8 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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
    4 specifications checked. All of them hold
  - InvariantResult [Line: 1585]: Loop Invariant
    Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2022-11-23 14:49:29,188 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a920931-0a72-4e43-beb7-aa72c0d4f14c/bin/utaipan-Q6hlc19bkW/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