./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_64_good.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 8393723b
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_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_64_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS --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 becfe06896712ef5e692e39aa5571435b0a45725e677c383ad4a9ab7cdc14d06
--- 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-8393723
[2022-11-19 06:36:25,296 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-19 06:36:25,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-19 06:36:25,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-19 06:36:25,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-19 06:36:25,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-19 06:36:25,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-19 06:36:25,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-19 06:36:25,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-19 06:36:25,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-19 06:36:25,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-19 06:36:25,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-19 06:36:25,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-19 06:36:25,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-19 06:36:25,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-19 06:36:25,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-19 06:36:25,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-19 06:36:25,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-19 06:36:25,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-19 06:36:25,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-19 06:36:25,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-19 06:36:25,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-19 06:36:25,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-19 06:36:25,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-19 06:36:25,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-19 06:36:25,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-19 06:36:25,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-19 06:36:25,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-19 06:36:25,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-19 06:36:25,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-19 06:36:25,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-19 06:36:25,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-19 06:36:25,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-19 06:36:25,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-19 06:36:25,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-19 06:36:25,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-19 06:36:25,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-19 06:36:25,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-19 06:36:25,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-19 06:36:25,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-19 06:36:25,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-19 06:36:25,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf
[2022-11-19 06:36:25,481 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-19 06:36:25,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-19 06:36:25,483 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-19 06:36:25,483 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-19 06:36:25,484 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-19 06:36:25,484 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-19 06:36:25,485 INFO L138 SettingsManager]: * User list type=DISABLED
[2022-11-19 06:36:25,485 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2022-11-19 06:36:25,485 INFO L138 SettingsManager]: * Explicit value domain=true
[2022-11-19 06:36:25,485 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2022-11-19 06:36:25,487 INFO L138 SettingsManager]: * Octagon Domain=false
[2022-11-19 06:36:25,487 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain
[2022-11-19 06:36:25,487 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2022-11-19 06:36:25,488 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2022-11-19 06:36:25,488 INFO L138 SettingsManager]: * Interval Domain=false
[2022-11-19 06:36:25,488 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults:
[2022-11-19 06:36:25,489 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer
[2022-11-19 06:36:25,489 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC
[2022-11-19 06:36:25,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-19 06:36:25,490 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-19 06:36:25,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-19 06:36:25,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-19 06:36:25,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-19 06:36:25,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-19 06:36:25,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-19 06:36:25,493 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2022-11-19 06:36:25,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-19 06:36:25,494 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-19 06:36:25,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-19 06:36:25,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-19 06:36:25,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-19 06:36:25,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-19 06:36:25,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-19 06:36:25,496 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
[2022-11-19 06:36:25,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-19 06:36:25,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-19 06:36:25,497 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN
[2022-11-19 06:36:25,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-19 06:36:25,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-19 06:36:25,498 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2022-11-19 06:36:25,498 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_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> becfe06896712ef5e692e39aa5571435b0a45725e677c383ad4a9ab7cdc14d06
[2022-11-19 06:36:25,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-19 06:36:25,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-19 06:36:25,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-19 06:36:25,979 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-19 06:36:25,980 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-19 06:36:25,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_64_good.i
[2022-11-19 06:36:26,080 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS/data/2e31e673f/3e419d53acbf4d4791fb5ed55bb10972/FLAG851a3f625
[2022-11-19 06:36:27,006 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-19 06:36:27,006 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f38b9-ba22-4cf6-a646-99eae7debf50/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_64_good.i
[2022-11-19 06:36:27,035 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS/data/2e31e673f/3e419d53acbf4d4791fb5ed55bb10972/FLAG851a3f625
[2022-11-19 06:36:27,535 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS/data/2e31e673f/3e419d53acbf4d4791fb5ed55bb10972
[2022-11-19 06:36:27,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-19 06:36:27,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-19 06:36:27,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-19 06:36:27,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-19 06:36:27,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-19 06:36:27,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:36:27" (1/1) ...
[2022-11-19 06:36:27,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48dcbcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:27, skipping insertion in model container
[2022-11-19 06:36:27,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:36:27" (1/1) ...
[2022-11-19 06:36:27,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-19 06:36:27,631 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-19 06:36:28,165 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2022-11-19 06:36:28,919 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-19 06:36:28,932 INFO L203 MainTranslator]: Completed pre-run
[2022-11-19 06:36:28,955 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2022-11-19 06:36:29,062 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-19 06:36:29,209 INFO L208 MainTranslator]: Completed translation
[2022-11-19 06:36:29,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:29 WrapperNode
[2022-11-19 06:36:29,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-19 06:36:29,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-19 06:36:29,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-19 06:36:29,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-19 06:36:29,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:29" (1/1) ...
[2022-11-19 06:36:29,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:29" (1/1) ...
[2022-11-19 06:36:29,359 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 70
[2022-11-19 06:36:29,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-19 06:36:29,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-19 06:36:29,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-19 06:36:29,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-19 06:36:29,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:29" (1/1) ...
[2022-11-19 06:36:29,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:29" (1/1) ...
[2022-11-19 06:36:29,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:29" (1/1) ...
[2022-11-19 06:36:29,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:29" (1/1) ...
[2022-11-19 06:36:29,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:29" (1/1) ...
[2022-11-19 06:36:29,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:29" (1/1) ...
[2022-11-19 06:36:29,404 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:29" (1/1) ...
[2022-11-19 06:36:29,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:29" (1/1) ...
[2022-11-19 06:36:29,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-19 06:36:29,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-19 06:36:29,426 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-19 06:36:29,426 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-19 06:36:29,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:29" (1/1) ...
[2022-11-19 06:36:29,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-19 06:36:29,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS/z3
[2022-11-19 06:36:29,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-19 06:36:29,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-19 06:36:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2022-11-19 06:36:29,551 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2022-11-19 06:36:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2022-11-19 06:36:29,551 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2022-11-19 06:36:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-19 06:36:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-19 06:36:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-19 06:36:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-19 06:36:29,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-19 06:36:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-19 06:36:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure time
[2022-11-19 06:36:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-19 06:36:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-19 06:36:29,848 INFO L235 CfgBuilder]: Building ICFG
[2022-11-19 06:36:29,867 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-19 06:36:30,194 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-19 06:36:30,280 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-19 06:36:30,281 INFO L300 CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-19 06:36:30,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:36:30 BoogieIcfgContainer
[2022-11-19 06:36:30,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-19 06:36:30,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-19 06:36:30,287 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-19 06:36:30,292 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-19 06:36:30,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:36:27" (1/3) ...
[2022-11-19 06:36:30,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b0200f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:36:30, skipping insertion in model container
[2022-11-19 06:36:30,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:29" (2/3) ...
[2022-11-19 06:36:30,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b0200f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:36:30, skipping insertion in model container
[2022-11-19 06:36:30,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:36:30" (3/3) ...
[2022-11-19 06:36:30,295 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_64_good.i
[2022-11-19 06:36:30,328 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-19 06:36:30,328 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2022-11-19 06:36:30,424 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-19 06:36:30,435 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;@1e5376c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-19 06:36:30,435 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-11-19 06:36:30,440 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)
[2022-11-19 06:36:30,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2022-11-19 06:36:30,449 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-19 06:36:30,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2022-11-19 06:36:30,451 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)] ===
[2022-11-19 06:36:30,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-19 06:36:30,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1645250558, now seen corresponding path program 1 times
[2022-11-19 06:36:30,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-11-19 06:36:30,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251899866]
[2022-11-19 06:36:30,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-19 06:36:30,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-19 06:36:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-19 06:36:31,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-19 06:36:31,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-11-19 06:36:31,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251899866]
[2022-11-19 06:36:31,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251899866] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-19 06:36:31,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-19 06:36:31,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-19 06:36:31,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436306664]
[2022-11-19 06:36:31,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-19 06:36:31,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-19 06:36:31,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-11-19 06:36:31,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-19 06:36:31,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-19 06:36:31,335 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)
[2022-11-19 06:36:31,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-19 06:36:31,425 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions.
[2022-11-19 06:36:31,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-19 06:36:31,429 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
[2022-11-19 06:36:31,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-19 06:36:31,439 INFO L225 Difference]: With dead ends: 24
[2022-11-19 06:36:31,439 INFO L226 Difference]: Without dead ends: 17
[2022-11-19 06:36:31,445 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
[2022-11-19 06:36:31,452 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, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-19 06:36:31,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 33 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-19 06:36:31,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2022-11-19 06:36:31,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2022-11-19 06:36:31,496 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)
[2022-11-19 06:36:31,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions.
[2022-11-19 06:36:31,499 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 6
[2022-11-19 06:36:31,500 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-19 06:36:31,500 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions.
[2022-11-19 06:36:31,501 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)
[2022-11-19 06:36:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions.
[2022-11-19 06:36:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2022-11-19 06:36:31,502 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-19 06:36:31,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-19 06:36:31,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-19 06:36:31,504 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)] ===
[2022-11-19 06:36:31,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-19 06:36:31,506 INFO L85 PathProgramCache]: Analyzing trace with hash 536840302, now seen corresponding path program 1 times
[2022-11-19 06:36:31,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-11-19 06:36:31,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286349362]
[2022-11-19 06:36:31,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-19 06:36:31,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-19 06:36:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-19 06:36:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-19 06:36:31,771 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-11-19 06:36:31,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286349362]
[2022-11-19 06:36:31,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286349362] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-19 06:36:31,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-19 06:36:31,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-19 06:36:31,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997556756]
[2022-11-19 06:36:31,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-19 06:36:31,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-19 06:36:31,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-11-19 06:36:31,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-19 06:36:31,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-19 06:36:31,777 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)
[2022-11-19 06:36:31,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-19 06:36:31,800 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions.
[2022-11-19 06:36:31,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-19 06:36:31,801 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
[2022-11-19 06:36:31,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-19 06:36:31,802 INFO L225 Difference]: With dead ends: 17
[2022-11-19 06:36:31,802 INFO L226 Difference]: Without dead ends: 16
[2022-11-19 06:36:31,803 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
[2022-11-19 06:36:31,805 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
[2022-11-19 06:36:31,806 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]
[2022-11-19 06:36:31,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2022-11-19 06:36:31,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2022-11-19 06:36:31,810 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)
[2022-11-19 06:36:31,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions.
[2022-11-19 06:36:31,812 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 7
[2022-11-19 06:36:31,812 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-19 06:36:31,812 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions.
[2022-11-19 06:36:31,813 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)
[2022-11-19 06:36:31,813 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions.
[2022-11-19 06:36:31,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2022-11-19 06:36:31,814 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-19 06:36:31,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-19 06:36:31,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-19 06:36:31,815 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)] ===
[2022-11-19 06:36:31,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-19 06:36:31,816 INFO L85 PathProgramCache]: Analyzing trace with hash 2032282020, now seen corresponding path program 1 times
[2022-11-19 06:36:31,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-11-19 06:36:31,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414531988]
[2022-11-19 06:36:31,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-19 06:36:31,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-19 06:36:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-19 06:36:32,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-19 06:36:32,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-11-19 06:36:32,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414531988]
[2022-11-19 06:36:32,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414531988] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-19 06:36:32,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-19 06:36:32,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-19 06:36:32,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265941891]
[2022-11-19 06:36:32,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-19 06:36:32,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-19 06:36:32,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-11-19 06:36:32,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-19 06:36:32,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-19 06:36:32,054 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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)
[2022-11-19 06:36:32,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-19 06:36:32,096 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions.
[2022-11-19 06:36:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-19 06:36:32,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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
[2022-11-19 06:36:32,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-19 06:36:32,100 INFO L225 Difference]: With dead ends: 16
[2022-11-19 06:36:32,100 INFO L226 Difference]: Without dead ends: 15
[2022-11-19 06:36:32,101 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
[2022-11-19 06:36:32,110 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-19 06:36:32,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-19 06:36:32,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2022-11-19 06:36:32,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2022-11-19 06:36:32,120 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)
[2022-11-19 06:36:32,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions.
[2022-11-19 06:36:32,121 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 13
[2022-11-19 06:36:32,122 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-19 06:36:32,122 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions.
[2022-11-19 06:36:32,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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)
[2022-11-19 06:36:32,122 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions.
[2022-11-19 06:36:32,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-11-19 06:36:32,123 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-19 06:36:32,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-19 06:36:32,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-19 06:36:32,124 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)] ===
[2022-11-19 06:36:32,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-19 06:36:32,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1423766760, now seen corresponding path program 1 times
[2022-11-19 06:36:32,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-11-19 06:36:32,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703646989]
[2022-11-19 06:36:32,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-19 06:36:32,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-19 06:36:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-19 06:36:32,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-19 06:36:32,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-11-19 06:36:32,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703646989]
[2022-11-19 06:36:32,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703646989] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-19 06:36:32,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-19 06:36:32,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-19 06:36:32,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215050214]
[2022-11-19 06:36:32,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-19 06:36:32,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-19 06:36:32,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-11-19 06:36:32,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-19 06:36:32,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-19 06:36:32,264 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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)
[2022-11-19 06:36:32,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-19 06:36:32,293 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions.
[2022-11-19 06:36:32,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-19 06:36:32,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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
[2022-11-19 06:36:32,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-19 06:36:32,295 INFO L225 Difference]: With dead ends: 15
[2022-11-19 06:36:32,295 INFO L226 Difference]: Without dead ends: 0
[2022-11-19 06:36:32,296 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
[2022-11-19 06:36:32,308 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-19 06:36:32,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-19 06:36:32,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-19 06:36:32,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-19 06:36:32,310 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)
[2022-11-19 06:36:32,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-19 06:36:32,311 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14
[2022-11-19 06:36:32,311 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-19 06:36:32,311 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-19 06:36:32,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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)
[2022-11-19 06:36:32,311 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-19 06:36:32,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-19 06:36:32,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2022-11-19 06:36:32,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2022-11-19 06:36:32,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2022-11-19 06:36:32,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2022-11-19 06:36:32,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-19 06:36:32,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-19 06:36:32,344 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true
[2022-11-19 06:36:32,344 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed.
[2022-11-19 06:36:32,344 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed.
[2022-11-19 06:36:32,345 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true
[2022-11-19 06:36:32,345 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed.
[2022-11-19 06:36:32,345 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-19 06:36:32,345 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed.
[2022-11-19 06:36:32,345 INFO L902 garLoopResultBuilder]: At program point L1584(line 1584) the Hoare annotation is: true
[2022-11-19 06:36:32,346 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 1577 1586) no Hoare annotation was computed.
[2022-11-19 06:36:32,346 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed.
[2022-11-19 06:36:32,346 INFO L899 garLoopResultBuilder]: For program point L1582-1(line 1582) no Hoare annotation was computed.
[2022-11-19 06:36:32,346 INFO L902 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true
[2022-11-19 06:36:32,346 INFO L902 garLoopResultBuilder]: At program point L1574-1(line 1574) the Hoare annotation is: true
[2022-11-19 06:36:32,347 INFO L902 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: true
[2022-11-19 06:36:32,347 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed.
[2022-11-19 06:36:32,347 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed.
[2022-11-19 06:36:32,347 INFO L902 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: true
[2022-11-19 06:36:32,347 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed.
[2022-11-19 06:36:32,348 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 1587 1601) no Hoare annotation was computed.
[2022-11-19 06:36:32,348 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-19 06:36:32,351 INFO L902 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: true
[2022-11-19 06:36:32,352 INFO L899 garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed.
[2022-11-19 06:36:32,353 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed.
[2022-11-19 06:36:32,353 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1600) no Hoare annotation was computed.
[2022-11-19 06:36:32,357 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2022-11-19 06:36:32,361 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-19 06:36:32,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:36:32 BoogieIcfgContainer
[2022-11-19 06:36:32,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-19 06:36:32,387 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-19 06:36:32,393 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-19 06:36:32,393 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-19 06:36:32,394 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:36:30" (3/4) ...
[2022-11-19 06:36:32,398 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-19 06:36:32,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2022-11-19 06:36:32,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2022-11-19 06:36:32,415 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges
[2022-11-19 06:36:32,416 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2022-11-19 06:36:32,416 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2022-11-19 06:36:32,417 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-19 06:36:32,472 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS/witness.graphml
[2022-11-19 06:36:32,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-19 06:36:32,473 INFO L158 Benchmark]: Toolchain (without parser) took 4929.53ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 80.6MB in the beginning and 101.2MB in the end (delta: -20.7MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB.
[2022-11-19 06:36:32,474 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-19 06:36:32,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1659.56ms. Allocated memory is still 123.7MB. Free memory was 80.4MB in the beginning and 47.3MB in the end (delta: 33.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
[2022-11-19 06:36:32,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.90ms. Allocated memory is still 123.7MB. Free memory was 47.3MB in the beginning and 95.7MB in the end (delta: -48.5MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB.
[2022-11-19 06:36:32,475 INFO L158 Benchmark]: Boogie Preprocessor took 64.03ms. Allocated memory is still 123.7MB. Free memory was 95.7MB in the beginning and 94.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-19 06:36:32,476 INFO L158 Benchmark]: RCFGBuilder took 859.24ms. Allocated memory is still 123.7MB. Free memory was 94.3MB in the beginning and 77.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2022-11-19 06:36:32,476 INFO L158 Benchmark]: TraceAbstraction took 2097.06ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 76.9MB in the beginning and 104.4MB in the end (delta: -27.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB.
[2022-11-19 06:36:32,477 INFO L158 Benchmark]: Witness Printer took 86.00ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 101.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-19 06:36:32,480 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1659.56ms. Allocated memory is still 123.7MB. Free memory was 80.4MB in the beginning and 47.3MB in the end (delta: 33.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 148.90ms. Allocated memory is still 123.7MB. Free memory was 47.3MB in the beginning and 95.7MB in the end (delta: -48.5MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 64.03ms. Allocated memory is still 123.7MB. Free memory was 95.7MB in the beginning and 94.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 859.24ms. Allocated memory is still 123.7MB. Free memory was 94.3MB in the beginning and 77.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 2097.06ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 76.9MB in the beginning and 104.4MB in the end (delta: -27.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB.
* Witness Printer took 86.00ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 101.2MB 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: 1582]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1582]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1593]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1593]: 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: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 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, 1.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 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: 1574]: Loop Invariant
Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2022-11-19 06:36:32,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f38b9-ba22-4cf6-a646-99eae7debf50/bin/utaipan-I9t0OCRTmS/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