./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/ms4f.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 3061b6dc
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-fpi/ms4f.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1041c37fd0d76b4316bbd28c981d57c8766628afe4ada50323b80c8a8a735d61
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-18 09:26:32,933 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-18 09:26:33,025 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-18 09:26:33,030 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-18 09:26:33,031 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-18 09:26:33,052 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-18 09:26:33,053 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-18 09:26:33,054 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-18 09:26:33,054 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-18 09:26:33,055 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-18 09:26:33,055 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-18 09:26:33,055 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-18 09:26:33,056 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-18 09:26:33,056 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-18 09:26:33,057 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-18 09:26:33,057 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-18 09:26:33,057 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-18 09:26:33,058 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-18 09:26:33,058 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-18 09:26:33,058 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-18 09:26:33,059 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-18 09:26:33,059 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-18 09:26:33,060 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-18 09:26:33,060 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-18 09:26:33,060 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-18 09:26:33,061 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-18 09:26:33,061 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-18 09:26:33,061 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-18 09:26:33,062 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-18 09:26:33,062 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-18 09:26:33,062 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-18 09:26:33,062 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-18 09:26:33,063 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 09:26:33,063 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-18 09:26:33,064 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-18 09:26:33,064 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-18 09:26:33,064 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-18 09:26:33,065 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-18 09:26:33,065 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-18 09:26:33,065 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-18 09:26:33,066 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-18 09:26:33,066 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-18 09:26:33,066 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
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 ! call(reach_error())) )


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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1041c37fd0d76b4316bbd28c981d57c8766628afe4ada50323b80c8a8a735d61
[2024-11-18 09:26:33,322 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-18 09:26:33,349 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-18 09:26:33,352 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-18 09:26:33,354 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-18 09:26:33,354 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-18 09:26:33,355 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ms4f.c
[2024-11-18 09:26:34,886 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-18 09:26:35,093 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-18 09:26:35,094 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ms4f.c
[2024-11-18 09:26:35,102 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24d25b22e/a23e0f1a2573447088b77c61cf3b56fb/FLAG96eb2292d
[2024-11-18 09:26:35,116 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24d25b22e/a23e0f1a2573447088b77c61cf3b56fb
[2024-11-18 09:26:35,119 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-18 09:26:35,120 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-18 09:26:35,121 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-18 09:26:35,122 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-18 09:26:35,126 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-18 09:26:35,127 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:26:35" (1/1) ...
[2024-11-18 09:26:35,128 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c804786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:35, skipping insertion in model container
[2024-11-18 09:26:35,128 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:26:35" (1/1) ...
[2024-11-18 09:26:35,149 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-18 09:26:35,313 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ms4f.c[587,600]
[2024-11-18 09:26:35,331 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 09:26:35,341 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-18 09:26:35,352 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ms4f.c[587,600]
[2024-11-18 09:26:35,358 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 09:26:35,374 INFO  L204         MainTranslator]: Completed translation
[2024-11-18 09:26:35,374 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:35 WrapperNode
[2024-11-18 09:26:35,374 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-18 09:26:35,376 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-18 09:26:35,376 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-18 09:26:35,376 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-18 09:26:35,383 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:35" (1/1) ...
[2024-11-18 09:26:35,392 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:35" (1/1) ...
[2024-11-18 09:26:35,408 INFO  L138                Inliner]: procedures = 17, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71
[2024-11-18 09:26:35,408 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-18 09:26:35,409 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-18 09:26:35,409 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-18 09:26:35,409 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-18 09:26:35,420 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:35" (1/1) ...
[2024-11-18 09:26:35,420 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:35" (1/1) ...
[2024-11-18 09:26:35,422 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:35" (1/1) ...
[2024-11-18 09:26:35,440 INFO  L175           MemorySlicer]: Split 15 memory accesses to 4 slices as follows [2, 7, 4, 2]. 47 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0, 0]. The 3 writes are split as follows [0, 0, 2, 1].
[2024-11-18 09:26:35,440 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:35" (1/1) ...
[2024-11-18 09:26:35,440 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:35" (1/1) ...
[2024-11-18 09:26:35,445 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:35" (1/1) ...
[2024-11-18 09:26:35,450 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:35" (1/1) ...
[2024-11-18 09:26:35,453 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:35" (1/1) ...
[2024-11-18 09:26:35,454 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:35" (1/1) ...
[2024-11-18 09:26:35,457 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-18 09:26:35,458 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-18 09:26:35,458 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-18 09:26:35,458 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-18 09:26:35,459 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:35" (1/1) ...
[2024-11-18 09:26:35,464 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 09:26:35,475 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 09:26:35,494 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-18 09:26:35,498 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-18 09:26:35,552 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-18 09:26:35,552 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-18 09:26:35,553 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-18 09:26:35,553 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-18 09:26:35,553 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-18 09:26:35,553 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-18 09:26:35,553 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-18 09:26:35,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-18 09:26:35,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-18 09:26:35,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-18 09:26:35,554 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-18 09:26:35,554 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-18 09:26:35,555 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-18 09:26:35,555 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-18 09:26:35,555 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-18 09:26:35,555 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-18 09:26:35,556 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-18 09:26:35,556 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-18 09:26:35,669 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-18 09:26:35,672 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-18 09:26:35,874 INFO  L?                        ?]: Removed 11 outVars from TransFormulas that were not future-live.
[2024-11-18 09:26:35,874 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-18 09:26:35,889 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-18 09:26:35,890 INFO  L316             CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-18 09:26:35,890 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:26:35 BoogieIcfgContainer
[2024-11-18 09:26:35,891 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-18 09:26:35,894 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-18 09:26:35,896 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-18 09:26:35,899 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-18 09:26:35,899 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:26:35" (1/3) ...
[2024-11-18 09:26:35,900 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46416aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:26:35, skipping insertion in model container
[2024-11-18 09:26:35,900 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:35" (2/3) ...
[2024-11-18 09:26:35,900 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46416aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:26:35, skipping insertion in model container
[2024-11-18 09:26:35,900 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:26:35" (3/3) ...
[2024-11-18 09:26:35,902 INFO  L112   eAbstractionObserver]: Analyzing ICFG ms4f.c
[2024-11-18 09:26:35,921 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-18 09:26:35,922 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-18 09:26:35,994 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-18 09:26:36,004 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;@34abfe5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-18 09:26:36,004 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-18 09:26:36,009 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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)
[2024-11-18 09:26:36,015 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-18 09:26:36,015 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 09:26:36,016 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 09:26:36,017 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 09:26:36,024 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 09:26:36,024 INFO  L85        PathProgramCache]: Analyzing trace with hash 356661439, now seen corresponding path program 1 times
[2024-11-18 09:26:36,033 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 09:26:36,034 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653227135]
[2024-11-18 09:26:36,034 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 09:26:36,035 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 09:26:36,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 09:26:36,272 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 09:26:36,276 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 09:26:36,276 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653227135]
[2024-11-18 09:26:36,277 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653227135] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 09:26:36,277 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 09:26:36,277 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-18 09:26:36,279 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016575631]
[2024-11-18 09:26:36,279 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 09:26:36,284 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-18 09:26:36,285 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 09:26:36,326 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-18 09:26:36,327 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-18 09:26:36,332 INFO  L87              Difference]: Start difference. First operand  has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2024-11-18 09:26:36,348 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 09:26:36,348 INFO  L93              Difference]: Finished difference Result 34 states and 46 transitions.
[2024-11-18 09:26:36,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-18 09:26:36,350 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-11-18 09:26:36,351 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 09:26:36,357 INFO  L225             Difference]: With dead ends: 34
[2024-11-18 09:26:36,358 INFO  L226             Difference]: Without dead ends: 15
[2024-11-18 09:26:36,360 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-18 09:26:36,363 INFO  L432           NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-18 09:26:36,365 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 09:26:36,380 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2024-11-18 09:26:36,390 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2024-11-18 09:26:36,392 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 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)
[2024-11-18 09:26:36,392 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions.
[2024-11-18 09:26:36,394 INFO  L78                 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11
[2024-11-18 09:26:36,394 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 09:26:36,394 INFO  L471      AbstractCegarLoop]: Abstraction has 15 states and 17 transitions.
[2024-11-18 09:26:36,394 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2024-11-18 09:26:36,394 INFO  L276                IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions.
[2024-11-18 09:26:36,395 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-18 09:26:36,395 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 09:26:36,395 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 09:26:36,396 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-18 09:26:36,396 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 09:26:36,396 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 09:26:36,397 INFO  L85        PathProgramCache]: Analyzing trace with hash -452685187, now seen corresponding path program 1 times
[2024-11-18 09:26:36,397 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 09:26:36,397 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247401139]
[2024-11-18 09:26:36,397 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 09:26:36,398 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 09:26:36,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 09:26:36,568 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 09:26:36,568 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 09:26:36,569 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247401139]
[2024-11-18 09:26:36,569 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247401139] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 09:26:36,569 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 09:26:36,569 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-18 09:26:36,569 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622548283]
[2024-11-18 09:26:36,569 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 09:26:36,574 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 09:26:36,574 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 09:26:36,575 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 09:26:36,575 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-18 09:26:36,575 INFO  L87              Difference]: Start difference. First operand 15 states and 17 transitions. Second operand  has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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)
[2024-11-18 09:26:36,646 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 09:26:36,646 INFO  L93              Difference]: Finished difference Result 28 states and 34 transitions.
[2024-11-18 09:26:36,647 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 09:26:36,647 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-11-18 09:26:36,647 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 09:26:36,647 INFO  L225             Difference]: With dead ends: 28
[2024-11-18 09:26:36,647 INFO  L226             Difference]: Without dead ends: 20
[2024-11-18 09:26:36,648 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-18 09:26:36,649 INFO  L432           NwaCegarLoop]: 8 mSDtfsCounter, 20 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-18 09:26:36,649 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 11 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-18 09:26:36,651 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2024-11-18 09:26:36,657 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18.
[2024-11-18 09:26:36,658 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 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)
[2024-11-18 09:26:36,658 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions.
[2024-11-18 09:26:36,659 INFO  L78                 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11
[2024-11-18 09:26:36,660 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 09:26:36,660 INFO  L471      AbstractCegarLoop]: Abstraction has 18 states and 20 transitions.
[2024-11-18 09:26:36,660 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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)
[2024-11-18 09:26:36,660 INFO  L276                IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions.
[2024-11-18 09:26:36,661 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-11-18 09:26:36,661 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 09:26:36,661 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 09:26:36,661 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-18 09:26:36,661 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 09:26:36,662 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 09:26:36,662 INFO  L85        PathProgramCache]: Analyzing trace with hash 623611495, now seen corresponding path program 1 times
[2024-11-18 09:26:36,666 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 09:26:36,667 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987023383]
[2024-11-18 09:26:36,667 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 09:26:36,667 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 09:26:36,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-18 09:26:36,734 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-18 09:26:36,781 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-18 09:26:36,815 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-18 09:26:36,815 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-18 09:26:36,818 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-18 09:26:36,819 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-18 09:26:36,824 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-18 09:26:36,853 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-18 09:26:36,861 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:26:36 BoogieIcfgContainer
[2024-11-18 09:26:36,861 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-18 09:26:36,862 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-18 09:26:36,862 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-18 09:26:36,862 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-18 09:26:36,863 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:26:35" (3/4) ...
[2024-11-18 09:26:36,864 INFO  L136         WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-18 09:26:36,907 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-18 09:26:36,908 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-18 09:26:36,909 INFO  L158              Benchmark]: Toolchain (without parser) took 1788.66ms. Allocated memory is still 178.3MB. Free memory was 108.7MB in the beginning and 118.5MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-18 09:26:36,909 INFO  L158              Benchmark]: CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-18 09:26:36,909 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 253.84ms. Allocated memory is still 178.3MB. Free memory was 108.4MB in the beginning and 95.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-18 09:26:36,910 INFO  L158              Benchmark]: Boogie Procedure Inliner took 32.91ms. Allocated memory is still 178.3MB. Free memory was 95.7MB in the beginning and 94.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-18 09:26:36,910 INFO  L158              Benchmark]: Boogie Preprocessor took 48.13ms. Allocated memory is still 178.3MB. Free memory was 94.2MB in the beginning and 92.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-18 09:26:36,910 INFO  L158              Benchmark]: RCFGBuilder took 433.28ms. Allocated memory is still 178.3MB. Free memory was 91.9MB in the beginning and 78.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-18 09:26:36,911 INFO  L158              Benchmark]: TraceAbstraction took 966.77ms. Allocated memory is still 178.3MB. Free memory was 78.1MB in the beginning and 120.6MB in the end (delta: -42.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-18 09:26:36,911 INFO  L158              Benchmark]: Witness Printer took 46.25ms. Allocated memory is still 178.3MB. Free memory was 120.6MB in the beginning and 118.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-18 09:26:36,913 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 253.84ms. Allocated memory is still 178.3MB. Free memory was 108.4MB in the beginning and 95.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 32.91ms. Allocated memory is still 178.3MB. Free memory was 95.7MB in the beginning and 94.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 48.13ms. Allocated memory is still 178.3MB. Free memory was 94.2MB in the beginning and 92.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 433.28ms. Allocated memory is still 178.3MB. Free memory was 91.9MB in the beginning and 78.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 966.77ms. Allocated memory is still 178.3MB. Free memory was 78.1MB in the beginning and 120.6MB in the end (delta: -42.5MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 46.25ms. Allocated memory is still 178.3MB. Free memory was 120.6MB in the beginning and 118.5MB in the end (delta: 2.1MB). 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
  - CounterExampleResult [Line: 15]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L19]              int N;
       VAL         [N=0]
[L23]              N = __VERIFIER_nondet_int()
[L24]  COND FALSE  !(N <= 0)
[L25]  CALL        assume_abort_if_not(N <= 2147483647/sizeof(int))
[L13]  COND FALSE  !(!cond)
       VAL         [N=1]
[L25]  RET         assume_abort_if_not(N <= 2147483647/sizeof(int))
[L27]              int i;
[L28]              long long sum[1];
[L29]              int *a = malloc(sizeof(int)*N);
[L31]              i=0
       VAL         [N=1, a={-1:0}, i=0, sum={9:0}]
[L31]  COND TRUE   i<N
[L33]              a[i] = i%4
       VAL         [N=1]
[L31]              i++
       VAL         [N=1, a={-1:0}, i=1, sum={9:0}]
[L31]  COND FALSE  !(i<N)
       VAL         [N=1, a={-1:0}, sum={9:0}]
[L36]              i=0
       VAL         [N=1, a={-1:0}, i=0, sum={9:0}]
[L36]  COND TRUE   i<N
       VAL         [N=1, a={-1:0}, i=0, sum={9:0}]
[L38]  COND TRUE   i==0
[L39]              sum[0] = 0
       VAL         [N=1]
[L36]              i++
       VAL         [N=1, a={-1:0}, i=1, sum={9:0}]
[L36]  COND FALSE  !(i<N)
       VAL         [N=1, a={-1:0}, sum={9:0}]
[L44]  EXPR        sum[0]
[L44]  CALL        __VERIFIER_assert(sum[0] > 3*N)
[L15]  COND TRUE   !(cond)
       VAL         [N=1]
[L15]              reach_error()
       VAL         [N=1]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 30 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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
RESULT: Ultimate proved your program to be incorrect!
[2024-11-18 09:26:36,940 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE