./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_61_good.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_61_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 44fc5a6df6261d481670b7d472fc19122c5b73bf0f9f6b0ba29c6c12892436dc
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 10:38:41,267 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 10:38:41,334 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-12-02 10:38:41,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 10:38:41,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 10:38:41,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 10:38:41,364 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 10:38:41,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 10:38:41,365 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 10:38:41,365 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 10:38:41,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 10:38:41,366 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 10:38:41,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 10:38:41,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 10:38:41,366 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 10:38:41,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 10:38:41,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 10:38:41,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 10:38:41,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 10:38:41,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 10:38:41,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 10:38:41,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 10:38:41,367 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 10:38:41,368 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 10:38:41,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 10:38:41,368 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 10:38:41,368 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 10:38:41,368 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 10:38:41,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:38:41,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:38:41,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:38:41,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:38:41,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 10:38:41,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:38:41,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:38:41,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:38:41,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:38:41,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 10:38:41,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 10:38:41,370 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 10:38:41,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 10:38:41,370 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 10:38:41,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 10:38:41,370 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 10:38:41,370 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 10:38:41,370 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 10:38:41,371 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 10:38:41,371 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
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 -> Automizer
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 -> 44fc5a6df6261d481670b7d472fc19122c5b73bf0f9f6b0ba29c6c12892436dc
[2024-12-02 10:38:41,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 10:38:41,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 10:38:41,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 10:38:41,637 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 10:38:41,637 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 10:38:41,639 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_61_good.i
[2024-12-02 10:38:44,982 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1/data/0b8ea3684/499f62859e884f14bb6e4b8e694a6fab/FLAG78b485613
[2024-12-02 10:38:45,345 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 10:38:45,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_61_good.i
[2024-12-02 10:38:45,367 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1/data/0b8ea3684/499f62859e884f14bb6e4b8e694a6fab/FLAG78b485613
[2024-12-02 10:38:45,382 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1/data/0b8ea3684/499f62859e884f14bb6e4b8e694a6fab
[2024-12-02 10:38:45,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 10:38:45,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 10:38:45,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 10:38:45,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 10:38:45,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 10:38:45,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:38:45" (1/1) ...
[2024-12-02 10:38:45,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ccfd575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:45, skipping insertion in model container
[2024-12-02 10:38:45,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:38:45" (1/1) ...
[2024-12-02 10:38:45,438 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 10:38:46,203 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:38:46,211 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 10:38:46,310 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:38:46,444 INFO L204 MainTranslator]: Completed translation
[2024-12-02 10:38:46,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:46 WrapperNode
[2024-12-02 10:38:46,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 10:38:46,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 10:38:46,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 10:38:46,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 10:38:46,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:46" (1/1) ...
[2024-12-02 10:38:46,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:46" (1/1) ...
[2024-12-02 10:38:46,507 INFO L138 Inliner]: procedures = 501, calls = 30, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 68
[2024-12-02 10:38:46,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 10:38:46,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 10:38:46,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 10:38:46,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 10:38:46,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:46" (1/1) ...
[2024-12-02 10:38:46,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:46" (1/1) ...
[2024-12-02 10:38:46,522 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:46" (1/1) ...
[2024-12-02 10:38:46,532 INFO L175 MemorySlicer]: No memory access in input program.
[2024-12-02 10:38:46,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:46" (1/1) ...
[2024-12-02 10:38:46,533 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:46" (1/1) ...
[2024-12-02 10:38:46,538 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:46" (1/1) ...
[2024-12-02 10:38:46,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:46" (1/1) ...
[2024-12-02 10:38:46,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:46" (1/1) ...
[2024-12-02 10:38:46,542 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:46" (1/1) ...
[2024-12-02 10:38:46,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:46" (1/1) ...
[2024-12-02 10:38:46,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 10:38:46,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 10:38:46,547 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 10:38:46,547 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 10:38:46,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:46" (1/1) ...
[2024-12-02 10:38:46,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:38:46,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:38:46,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 10:38:46,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 10:38:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2024-12-02 10:38:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-12-02 10:38:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-12-02 10:38:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-12-02 10:38:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 10:38:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 10:38:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 10:38:46,756 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 10:38:46,758 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 10:38:46,899 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live.
[2024-12-02 10:38:46,899 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 10:38:46,909 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 10:38:46,909 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 10:38:46,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:38:46 BoogieIcfgContainer
[2024-12-02 10:38:46,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 10:38:46,913 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 10:38:46,914 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 10:38:46,920 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 10:38:46,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:38:45" (1/3) ...
[2024-12-02 10:38:46,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5ae1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:38:46, skipping insertion in model container
[2024-12-02 10:38:46,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:46" (2/3) ...
[2024-12-02 10:38:46,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5ae1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:38:46, skipping insertion in model container
[2024-12-02 10:38:46,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:38:46" (3/3) ...
[2024-12-02 10:38:46,923 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_61_good.i
[2024-12-02 10:38:46,937 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 10:38:46,939 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fscanf_preinc_61_good.i that has 3 procedures, 35 locations, 1 initial locations, 0 loop locations, and 4 error locations.
[2024-12-02 10:38:46,988 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 10:38:47,000 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@64f3e132, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 10:38:47,000 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-12-02 10:38:47,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 28 states have internal predecessors, (29), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 10:38:47,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-12-02 10:38:47,009 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:38:47,009 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:38:47,010 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 10:38:47,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:38:47,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1832360203, now seen corresponding path program 1 times
[2024-12-02 10:38:47,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:38:47,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804341434]
[2024-12-02 10:38:47,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:38:47,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:38:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:38:47,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:38:47,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:38:47,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804341434]
[2024-12-02 10:38:47,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804341434] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:38:47,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:38:47,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 10:38:47,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546271714]
[2024-12-02 10:38:47,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:38:47,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:38:47,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:38:47,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:38:47,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:38:47,327 INFO L87 Difference]: Start difference. First operand has 35 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 28 states have internal predecessors, (29), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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)
[2024-12-02 10:38:47,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:38:47,365 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions.
[2024-12-02 10:38:47,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 10:38:47,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 10
[2024-12-02 10:38:47,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:38:47,374 INFO L225 Difference]: With dead ends: 35
[2024-12-02 10:38:47,375 INFO L226 Difference]: Without dead ends: 23
[2024-12-02 10:38:47,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:38:47,381 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 1 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:38:47,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 100 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:38:47,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2024-12-02 10:38:47,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23.
[2024-12-02 10:38:47,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 18 states have internal predecessors, (19), 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)
[2024-12-02 10:38:47,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions.
[2024-12-02 10:38:47,421 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 10
[2024-12-02 10:38:47,422 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:38:47,422 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions.
[2024-12-02 10:38:47,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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)
[2024-12-02 10:38:47,422 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions.
[2024-12-02 10:38:47,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2024-12-02 10:38:47,423 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:38:47,423 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:38:47,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 10:38:47,424 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 10:38:47,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:38:47,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1783179067, now seen corresponding path program 1 times
[2024-12-02 10:38:47,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:38:47,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347448162]
[2024-12-02 10:38:47,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:38:47,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:38:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:38:47,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:38:47,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:38:47,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347448162]
[2024-12-02 10:38:47,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347448162] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:38:47,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:38:47,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 10:38:47,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023527491]
[2024-12-02 10:38:47,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:38:47,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 10:38:47,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:38:47,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 10:38:47,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:38:47,537 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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)
[2024-12-02 10:38:47,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:38:47,546 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions.
[2024-12-02 10:38:47,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 10:38:47,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 20
[2024-12-02 10:38:47,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:38:47,548 INFO L225 Difference]: With dead ends: 23
[2024-12-02 10:38:47,548 INFO L226 Difference]: Without dead ends: 22
[2024-12-02 10:38:47,548 INFO L434 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
[2024-12-02 10:38:47,549 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 1 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:38:47,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 37 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:38:47,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2024-12-02 10:38:47,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2024-12-02 10:38:47,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 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)
[2024-12-02 10:38:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions.
[2024-12-02 10:38:47,554 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 20
[2024-12-02 10:38:47,554 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:38:47,554 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions.
[2024-12-02 10:38:47,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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)
[2024-12-02 10:38:47,554 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions.
[2024-12-02 10:38:47,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-12-02 10:38:47,555 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:38:47,555 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:38:47,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 10:38:47,555 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 10:38:47,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:38:47,556 INFO L85 PathProgramCache]: Analyzing trace with hash -556023708, now seen corresponding path program 1 times
[2024-12-02 10:38:47,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:38:47,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642370133]
[2024-12-02 10:38:47,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:38:47,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:38:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:38:47,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:38:47,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:38:47,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642370133]
[2024-12-02 10:38:47,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642370133] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:38:47,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:38:47,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 10:38:47,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705330154]
[2024-12-02 10:38:47,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:38:47,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 10:38:47,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:38:47,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 10:38:47,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:38:47,626 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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)
[2024-12-02 10:38:47,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:38:47,634 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions.
[2024-12-02 10:38:47,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 10:38:47,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 21
[2024-12-02 10:38:47,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:38:47,635 INFO L225 Difference]: With dead ends: 22
[2024-12-02 10:38:47,635 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 10:38:47,635 INFO L434 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
[2024-12-02 10:38:47,636 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:38:47,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:38:47,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 10:38:47,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 10:38:47,637 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)
[2024-12-02 10:38:47,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 10:38:47,638 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21
[2024-12-02 10:38:47,638 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:38:47,638 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 10:38:47,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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)
[2024-12-02 10:38:47,638 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 10:38:47,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 10:38:47,641 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-12-02 10:38:47,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-12-02 10:38:47,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-12-02 10:38:47,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-12-02 10:38:47,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 10:38:47,646 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-12-02 10:38:47,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 10:38:47,670 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 10:38:47,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:38:47 BoogieIcfgContainer
[2024-12-02 10:38:47,677 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 10:38:47,678 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 10:38:47,678 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 10:38:47,678 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 10:38:47,679 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:38:46" (3/4) ...
[2024-12-02 10:38:47,681 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 10:38:47,685 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2024-12-02 10:38:47,685 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2024-12-02 10:38:47,689 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges
[2024-12-02 10:38:47,690 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2024-12-02 10:38:47,690 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 10:38:47,796 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 10:38:47,796 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 10:38:47,796 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 10:38:47,797 INFO L158 Benchmark]: Toolchain (without parser) took 2410.66ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 110.3MB in the end (delta: 3.2MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB.
[2024-12-02 10:38:47,797 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:38:47,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1057.39ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 54.5MB in the end (delta: 58.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
[2024-12-02 10:38:47,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.56ms. Allocated memory is still 142.6MB. Free memory was 54.5MB in the beginning and 113.6MB in the end (delta: -59.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB.
[2024-12-02 10:38:47,798 INFO L158 Benchmark]: Boogie Preprocessor took 37.47ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 111.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:38:47,799 INFO L158 Benchmark]: RCFGBuilder took 363.54ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 99.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 10:38:47,799 INFO L158 Benchmark]: TraceAbstraction took 763.60ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 58.6MB in the end (delta: 40.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-12-02 10:38:47,799 INFO L158 Benchmark]: Witness Printer took 118.54ms. Allocated memory is still 142.6MB. Free memory was 58.6MB in the beginning and 110.3MB in the end (delta: -51.8MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB.
[2024-12-02 10:38:47,802 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.63ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1057.39ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 54.5MB in the end (delta: 58.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 61.56ms. Allocated memory is still 142.6MB. Free memory was 54.5MB in the beginning and 113.6MB in the end (delta: -59.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 37.47ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 111.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 363.54ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 99.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 763.60ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 58.6MB in the end (delta: 40.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
* Witness Printer took 118.54ms. Allocated memory is still 142.6MB. Free memory was 58.6MB in the beginning and 110.3MB in the end (delta: -51.8MB). Peak memory consumption was 12.1MB. 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: 1555]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1555]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1568]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1568]: 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, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 175 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 73 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 10:38:47,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc94075-069c-47c5-a7fd-e50d6d0e0252/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE