./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/overflow_1-1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/overflow_1-1.yml/witness-2.1.yml --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 5189fb62
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-acceleration/overflow_1-1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/overflow_1-1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-5189fb6-m
[2024-09-13 05:02:13,756 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-09-13 05:02:13,828 INFO  L114        SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf
[2024-09-13 05:02:13,841 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-09-13 05:02:13,842 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-13 05:02:13,871 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-13 05:02:13,871 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-13 05:02:13,872 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-13 05:02:13,872 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-13 05:02:13,873 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-09-13 05:02:13,873 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-13 05:02:13,873 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-13 05:02:13,874 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-13 05:02:13,874 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-09-13 05:02:13,875 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-09-13 05:02:13,875 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-13 05:02:13,876 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-09-13 05:02:13,876 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-09-13 05:02:13,876 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-09-13 05:02:13,877 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-09-13 05:02:13,877 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-09-13 05:02:13,878 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-09-13 05:02:13,878 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-13 05:02:13,878 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-09-13 05:02:13,879 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-09-13 05:02:13,879 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-09-13 05:02:13,879 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-09-13 05:02:13,880 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-09-13 05:02:13,880 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-13 05:02:13,880 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-09-13 05:02:13,881 INFO  L153        SettingsManager]:  * Future-live optimization=false
[2024-09-13 05:02:13,881 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-09-13 05:02:13,882 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-09-13 05:02:13,882 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-13 05:02:13,882 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-13 05:02:13,883 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-09-13 05:02:13,883 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-13 05:02:13,883 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-09-13 05:02:13,884 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-13 05:02:13,884 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-13 05:02:13,884 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-13 05:02:13,889 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-09-13 05:02:13,895 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-13 05:02:13,895 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/certificate-witnesses-artifact/referee/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-13 05:02:14,132 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-13 05:02:14,155 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-13 05:02:14,157 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-13 05:02:14,158 INFO  L270        PluginConnector]: Initializing Witness Parser...
[2024-09-13 05:02:14,159 INFO  L274        PluginConnector]: Witness Parser initialized
[2024-09-13 05:02:14,159 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/overflow_1-1.yml/witness-2.1.yml
[2024-09-13 05:02:14,206 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-09-13 05:02:14,207 INFO  L274        PluginConnector]: CDTParser initialized
[2024-09-13 05:02:14,207 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/overflow_1-1.c
[2024-09-13 05:02:15,620 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-09-13 05:02:15,794 INFO  L384              CDTParser]: Found 1 translation units.
[2024-09-13 05:02:15,794 INFO  L180              CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/overflow_1-1.c
[2024-09-13 05:02:15,801 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b5b123a4b/7843c8b2e4334168828ad685bf5d3b7c/FLAGb566ab3b0
[2024-09-13 05:02:16,195 INFO  L435              CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b5b123a4b/7843c8b2e4334168828ad685bf5d3b7c
[2024-09-13 05:02:16,195 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-13 05:02:16,196 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-13 05:02:16,198 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-13 05:02:16,199 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-13 05:02:16,205 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-13 05:02:16,205 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:14" (1/2) ...
[2024-09-13 05:02:16,206 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66492a91 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:16, skipping insertion in model container
[2024-09-13 05:02:16,206 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:14" (1/2) ...
[2024-09-13 05:02:16,208 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b19049f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:16, skipping insertion in model container
[2024-09-13 05:02:16,208 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:16" (2/2) ...
[2024-09-13 05:02:16,209 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66492a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16, skipping insertion in model container
[2024-09-13 05:02:16,209 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:16" (2/2) ...
[2024-09-13 05:02:16,215 INFO  L93    nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-13 05:02:16,216 INFO  L1541             ArrayList]: Loop invariant at [L15-L17] ((x % 2) == 0)
[2024-09-13 05:02:16,216 INFO  L1541             ArrayList]: Function contract at [L5]: requires (1 <= \old(cond)), ensures (1 <= \old(cond))
[2024-09-13 05:02:16,230 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-09-13 05:02:16,370 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/overflow_1-1.c[324,337]
[2024-09-13 05:02:16,390 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-13 05:02:16,400 INFO  L200         MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
[2024-09-13 05:02:16,438 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/overflow_1-1.c[324,337]
Start Parsing Local
[2024-09-13 05:02:16,444 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-13 05:02:16,460 INFO  L204         MainTranslator]: Completed translation
[2024-09-13 05:02:16,461 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16 WrapperNode
[2024-09-13 05:02:16,461 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-13 05:02:16,462 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-13 05:02:16,462 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-13 05:02:16,462 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-09-13 05:02:16,474 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ...
[2024-09-13 05:02:16,474 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ...
[2024-09-13 05:02:16,481 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ...
[2024-09-13 05:02:16,491 WARN  L109           MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification
[2024-09-13 05:02:16,491 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ...
[2024-09-13 05:02:16,491 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ...
[2024-09-13 05:02:16,496 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ...
[2024-09-13 05:02:16,504 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ...
[2024-09-13 05:02:16,507 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ...
[2024-09-13 05:02:16,508 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ...
[2024-09-13 05:02:16,509 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-13 05:02:16,510 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-13 05:02:16,510 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-09-13 05:02:16,510 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-09-13 05:02:16,511 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ...
[2024-09-13 05:02:16,517 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-13 05:02:16,525 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-13 05:02:16,543 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-09-13 05:02:16,546 INFO  L327       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-09-13 05:02:16,595 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-13 05:02:16,595 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-13 05:02:16,595 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-13 05:02:16,595 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-09-13 05:02:16,595 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2024-09-13 05:02:16,596 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2024-09-13 05:02:16,596 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-13 05:02:16,596 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-13 05:02:16,596 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-13 05:02:16,596 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-13 05:02:16,597 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2024-09-13 05:02:16,597 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-13 05:02:16,597 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-09-13 05:02:16,597 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-13 05:02:16,598 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-09-13 05:02:16,598 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-09-13 05:02:16,598 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-13 05:02:16,652 INFO  L242             CfgBuilder]: Building ICFG
[2024-09-13 05:02:16,654 INFO  L268             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-13 05:02:16,728 WARN  L783   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-09-13 05:02:16,740 INFO  L291             CfgBuilder]: Performing block encoding
[2024-09-13 05:02:16,768 INFO  L313             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-13 05:02:16,769 INFO  L318             CfgBuilder]: Removed 1 assume(true) statements.
[2024-09-13 05:02:16,769 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:16 BoogieIcfgContainer
[2024-09-13 05:02:16,773 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-13 05:02:16,774 INFO  L112        PluginConnector]: ------------------------Referee----------------------------
[2024-09-13 05:02:16,774 INFO  L270        PluginConnector]: Initializing Referee...
[2024-09-13 05:02:16,775 INFO  L274        PluginConnector]: Referee initialized
[2024-09-13 05:02:16,775 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:14" (1/4) ...
[2024-09-13 05:02:16,776 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49a8adce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:16, skipping insertion in model container
[2024-09-13 05:02:16,776 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:16" (2/4) ...
[2024-09-13 05:02:16,776 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49a8adce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:16, skipping insertion in model container
[2024-09-13 05:02:16,776 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (3/4) ...
[2024-09-13 05:02:16,776 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49a8adce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:16, skipping insertion in model container
[2024-09-13 05:02:16,777 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:16" (4/4) ...
[2024-09-13 05:02:16,782 INFO  L79         RefereeObserver]: Analyzing ICFG overflow_1-1.c
[2024-09-13 05:02:16,786 INFO  L112       InvariantChecker]: Found 1 loops.
[2024-09-13 05:02:16,789 INFO  L367       InvariantChecker]: Will check inductivity from LOOP_HEAD L15-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges.
[2024-09-13 05:02:16,789 INFO  L367       InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges.
[2024-09-13 05:02:16,790 INFO  L367       InvariantChecker]: Will check inductivity from LOOP_HEAD L15-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges.
[2024-09-13 05:02:16,791 INFO  L367       InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges.
[2024-09-13 05:02:16,792 INFO  L367       InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges.
[2024-09-13 05:02:16,792 INFO  L130       InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from loop head to error location
[2024-09-13 05:02:16,841 INFO  L314           BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-13 05:02:16,842 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-13 05:02:16,843 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-13 05:02:16,844 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-13 05:02:16,845 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-13 05:02:16,847 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 05:02:16,867 INFO  L101     BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-13 05:02:16,871 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 05:02:16,871 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-13 05:02:16,872 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-13 05:02:16,872 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-13 05:02:16,874 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-13 05:02:16,894 INFO  L514       InvariantChecker]: The annotation(s) from loop head L15-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-13 05:02:16,906 INFO  L314           BlockEncoder]: Initial Icfg 3 locations, 2 edges
[2024-09-13 05:02:16,909 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-13 05:02:16,910 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-13 05:02:16,910 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-13 05:02:16,910 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-13 05:02:16,910 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 05:02:16,912 INFO  L101     BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding
[2024-09-13 05:02:16,916 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 05:02:16,916 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-13 05:02:16,917 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-13 05:02:16,917 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-13 05:02:16,917 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-13 05:02:16,922 INFO  L514       InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-13 05:02:16,933 INFO  L314           BlockEncoder]: Initial Icfg 4 locations, 4 edges
[2024-09-13 05:02:16,937 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-13 05:02:16,939 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-13 05:02:16,939 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-13 05:02:16,939 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-13 05:02:16,939 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 05:02:16,946 INFO  L101     BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding
[2024-09-13 05:02:16,949 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 05:02:16,949 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-13 05:02:16,949 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-13 05:02:16,950 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-13 05:02:16,958 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-13 05:02:16,960 INFO  L514       InvariantChecker]: The annotation(s) from loop head L15-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive.
[2024-09-13 05:02:16,971 INFO  L314           BlockEncoder]: Initial Icfg 5 locations, 5 edges
[2024-09-13 05:02:16,973 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-13 05:02:16,973 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-13 05:02:16,974 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-13 05:02:16,974 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-13 05:02:16,974 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 05:02:16,982 INFO  L101     BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding
[2024-09-13 05:02:16,982 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 05:02:16,982 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-13 05:02:16,982 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-13 05:02:16,982 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-13 05:02:16,984 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-13 05:02:16,986 INFO  L514       InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive.
[2024-09-13 05:02:16,992 INFO  L314           BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-13 05:02:16,993 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-13 05:02:16,993 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-13 05:02:16,993 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-13 05:02:16,994 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-13 05:02:16,994 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 05:02:16,996 INFO  L101     BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-13 05:02:16,996 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 05:02:16,996 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-13 05:02:16,996 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-13 05:02:16,997 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-13 05:02:16,997 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-13 05:02:16,999 INFO  L514       InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive.
[2024-09-13 05:02:17,003 INFO  L58          RefereeStarter]: Annotation is a valid proof of correctness.
[2024-09-13 05:02:17,003 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49a8adce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:02:17, skipping insertion in model container
[2024-09-13 05:02:17,003 INFO  L131        PluginConnector]: ------------------------ END Referee----------------------------
[2024-09-13 05:02:17,006 INFO  L158              Benchmark]: Toolchain (without parser) took 808.02ms. Allocated memory is still 172.0MB. Free memory was 119.6MB in the beginning and 81.5MB in the end (delta: 38.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB.
[2024-09-13 05:02:17,007 INFO  L158              Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 05:02:17,007 INFO  L158              Benchmark]: CDTParser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 05:02:17,008 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 262.92ms. Allocated memory is still 172.0MB. Free memory was 119.2MB in the beginning and 105.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-09-13 05:02:17,009 INFO  L158              Benchmark]: Boogie Preprocessor took 47.23ms. Allocated memory is still 172.0MB. Free memory was 105.7MB in the beginning and 103.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-13 05:02:17,010 INFO  L158              Benchmark]: RCFGBuilder took 263.43ms. Allocated memory is still 172.0MB. Free memory was 103.6MB in the beginning and 92.4MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-09-13 05:02:17,011 INFO  L158              Benchmark]: Referee took 229.60ms. Allocated memory is still 172.0MB. Free memory was 92.4MB in the beginning and 81.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-09-13 05:02:17,014 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee:
  - AnnotationCheckResult: Annotation is a valid proof of correctness.
    Annotation is a valid proof of correctness.
Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert.
Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 15.
Annotation is valid for all loop-free paths from loop head at line 15 to loop head at line 15.
Annotation is valid for all loop-free paths from loop head at line 15 to check that procedure precondition always holds at line 15.
Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 7.

 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * Witness Parser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CDTParser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 262.92ms. Allocated memory is still 172.0MB. Free memory was 119.2MB in the beginning and 105.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 47.23ms. Allocated memory is still 172.0MB. Free memory was 105.7MB in the beginning and 103.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 263.43ms. Allocated memory is still 172.0MB. Free memory was 103.6MB in the beginning and 92.4MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Referee took 229.60ms. Allocated memory is still 172.0MB. Free memory was 92.4MB in the beginning and 81.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-09-13 05:02:17,041 INFO  L552       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/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