This is Ultimate 0.2.4-dev-1d5fa63-m
[2024-09-13 10:07:41,648 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-09-13 10:07:41,715 INFO  L114        SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf
[2024-09-13 10:07:41,727 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-09-13 10:07:41,728 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-13 10:07:41,759 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-13 10:07:41,759 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-13 10:07:41,760 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-13 10:07:41,760 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-13 10:07:41,761 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-09-13 10:07:41,762 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-13 10:07:41,762 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-13 10:07:41,763 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-13 10:07:41,763 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-09-13 10:07:41,765 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-09-13 10:07:41,765 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-13 10:07:41,765 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-09-13 10:07:41,766 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-09-13 10:07:41,766 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-09-13 10:07:41,766 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-09-13 10:07:41,766 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-09-13 10:07:41,767 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-09-13 10:07:41,767 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-13 10:07:41,768 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-09-13 10:07:41,768 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-09-13 10:07:41,768 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-09-13 10:07:41,769 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-09-13 10:07:41,769 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-09-13 10:07:41,769 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-13 10:07:41,769 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-09-13 10:07:41,770 INFO  L153        SettingsManager]:  * Future-live optimization=false
[2024-09-13 10:07:41,770 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-09-13 10:07:41,770 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-09-13 10:07:41,770 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-13 10:07:41,770 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-13 10:07:41,771 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-09-13 10:07:41,771 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-13 10:07:41,771 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-09-13 10:07:41,771 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-13 10:07:41,771 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-13 10:07:41,771 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-13 10:07:41,772 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-09-13 10:07:41,772 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-13 10:07:41,772 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-13 10:07:42,044 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-13 10:07:42,096 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-13 10:07:42,098 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-13 10:07:42,099 INFO  L270        PluginConnector]: Initializing Witness Parser...
[2024-09-13 10:07:42,101 INFO  L274        PluginConnector]: Witness Parser initialized
[2024-09-13 10:07:42,102 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.yml/witness-2.1.yml
[2024-09-13 10:07:42,160 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-09-13 10:07:42,161 INFO  L274        PluginConnector]: CDTParser initialized
[2024-09-13 10:07:42,161 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gj2007.i
[2024-09-13 10:07:43,647 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-09-13 10:07:43,857 INFO  L384              CDTParser]: Found 1 translation units.
[2024-09-13 10:07:43,858 INFO  L180              CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.i
[2024-09-13 10:07:43,867 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0683aea32/9aae4cef0c124421ad427ad1128582cc/FLAGa5ffc2ce5
[2024-09-13 10:07:43,885 INFO  L435              CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0683aea32/9aae4cef0c124421ad427ad1128582cc
[2024-09-13 10:07:43,887 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-13 10:07:43,888 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-13 10:07:43,889 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-13 10:07:43,889 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-13 10:07:43,896 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-13 10:07:43,897 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 10:07:42" (1/2) ...
[2024-09-13 10:07:43,898 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b980766 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:43, skipping insertion in model container
[2024-09-13 10:07:43,898 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 10:07:42" (1/2) ...
[2024-09-13 10:07:43,899 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@424721af and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:43, skipping insertion in model container
[2024-09-13 10:07:43,901 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:43" (2/2) ...
[2024-09-13 10:07:43,902 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b980766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:43, skipping insertion in model container
[2024-09-13 10:07:43,902 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:43" (2/2) ...
[2024-09-13 10:07:43,911 INFO  L93    nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-13 10:07:43,912 INFO  L1541             ArrayList]: Loop invariant at [L27-L34] ((((((((((((((((((((((((((((((((((((((((((((((((((((x == 80) && (y == 80)) || ((x == 83) && (y == 83))) || ((67 == x) && (67 == y))) || ((x == 75) && (y == 75))) || ((x == 65) && (y == 65))) || ((66 == y) && (66 == x))) || ((94 == x) && (94 == y))) || ((81 == y) && (81 == x))) || ((57 == y) && (57 == x))) || ((51 == x) && (51 == y))) || ((y == 79) && (x == 79))) || ((y == 54) && (x == 54))) || ((98 == y) && (98 == x))) || ((x == 96) && (y == 96))) || ((92 == y) && (92 == x))) || ((y == 82) && (x == 82))) || ((77 == x) && (77 == y))) || ((88 == y) && (88 == x))) || ((x == 63) && (y == 63))) || ((59 == y) && (59 == x))) || ((x == 60) && (y == 60))) || ((y == 55) && (x == 55))) || ((y == 71) && (x == 71))) || ((x == 58) && (y == 58))) || ((y == 50) && (x <= 50))) || ((y == 62) && (x == 62))) || ((64 == y) && (64 == x))) || ((76 == y) && (76 == x))) || ((y == 93) && (x == 93))) || ((x == 69) && (y == 69))) || ((97 == x) && (97 == y))) || ((x == 61) && (y == 61))) || ((87 == y) && (87 == x))) || ((53 == y) && (53 == x))) || ((x == 70) && (y == 70))) || ((72 == y) && (72 == x))) || ((91 == y) && (91 == x))) || ((x == 74) && (y == 74))) || ((x == 52) && (y == 52))) || ((y == 99) && (x == 99))) || ((x == 73) && (y == 73))) || ((56 == y) && (56 == x))) || ((x == 78) && (y == 78))) || ((100 <= x) && (y == 100))) || ((84 == y) && (84 == x))) || ((68 == y) && (68 == x))) || ((95 == x) && (95 == y))) || ((y == 86) && (x == 86))) || ((x == 90) && (y == 90))) || ((y == 85) && (x == 85))) || ((x == 89) && (y == 89)))
[2024-09-13 10:07:43,913 INFO  L1541             ArrayList]: Function contract at [L17]: requires (1 <= \old(cond)), ensures (1 <= \old(cond))
[2024-09-13 10:07:43,931 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-09-13 10:07:44,079 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-lit/gj2007.i[895,908]
[2024-09-13 10:07:44,089 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-13 10:07:44,102 INFO  L200         MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
[2024-09-13 10:07:44,144 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-lit/gj2007.i[895,908]
Start Parsing Local
[2024-09-13 10:07:44,168 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-13 10:07:44,187 INFO  L204         MainTranslator]: Completed translation
[2024-09-13 10:07:44,188 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:44 WrapperNode
[2024-09-13 10:07:44,188 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-13 10:07:44,189 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-13 10:07:44,189 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-13 10:07:44,189 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-09-13 10:07:44,201 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:44" (1/1) ...
[2024-09-13 10:07:44,202 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:44" (1/1) ...
[2024-09-13 10:07:44,209 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:44" (1/1) ...
[2024-09-13 10:07:44,219 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 10:07:44,219 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:44" (1/1) ...
[2024-09-13 10:07:44,220 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:44" (1/1) ...
[2024-09-13 10:07:44,233 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:44" (1/1) ...
[2024-09-13 10:07:44,237 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:44" (1/1) ...
[2024-09-13 10:07:44,238 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:44" (1/1) ...
[2024-09-13 10:07:44,239 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:44" (1/1) ...
[2024-09-13 10:07:44,240 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-13 10:07:44,241 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-13 10:07:44,242 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-09-13 10:07:44,242 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-09-13 10:07:44,242 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:44" (1/1) ...
[2024-09-13 10:07:44,248 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-13 10:07:44,255 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-13 10:07:44,268 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 10:07:44,270 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 10:07:44,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-13 10:07:44,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-13 10:07:44,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-13 10:07:44,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-09-13 10:07:44,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-09-13 10:07:44,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2024-09-13 10:07:44,310 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2024-09-13 10:07:44,310 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-13 10:07:44,310 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2024-09-13 10:07:44,310 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert
[2024-09-13 10:07:44,310 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-13 10:07:44,310 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-13 10:07:44,311 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-09-13 10:07:44,311 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-13 10:07:44,311 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2024-09-13 10:07:44,311 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2024-09-13 10:07:44,311 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-13 10:07:44,312 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-09-13 10:07:44,312 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-13 10:07:44,312 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-09-13 10:07:44,312 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-09-13 10:07:44,313 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-13 10:07:44,380 INFO  L242             CfgBuilder]: Building ICFG
[2024-09-13 10:07:44,386 INFO  L268             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-13 10:07:44,599 WARN  L783   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-09-13 10:07:44,610 INFO  L291             CfgBuilder]: Performing block encoding
[2024-09-13 10:07:44,635 INFO  L313             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-13 10:07:44,635 INFO  L318             CfgBuilder]: Removed 1 assume(true) statements.
[2024-09-13 10:07:44,635 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:44 BoogieIcfgContainer
[2024-09-13 10:07:44,636 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-13 10:07:44,636 INFO  L112        PluginConnector]: ------------------------Referee----------------------------
[2024-09-13 10:07:44,636 INFO  L270        PluginConnector]: Initializing Referee...
[2024-09-13 10:07:44,637 INFO  L274        PluginConnector]: Referee initialized
[2024-09-13 10:07:44,637 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 10:07:42" (1/4) ...
[2024-09-13 10:07:44,638 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@bdea0aa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:44, skipping insertion in model container
[2024-09-13 10:07:44,640 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:07:43" (2/4) ...
[2024-09-13 10:07:44,640 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@bdea0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:44, skipping insertion in model container
[2024-09-13 10:07:44,640 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:44" (3/4) ...
[2024-09-13 10:07:44,641 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@bdea0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:44, skipping insertion in model container
[2024-09-13 10:07:44,641 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:44" (4/4) ...
[2024-09-13 10:07:44,642 INFO  L79         RefereeObserver]: Analyzing ICFG gj2007.i
[2024-09-13 10:07:44,647 INFO  L112       InvariantChecker]: Found 1 loops.
[2024-09-13 10:07:44,648 INFO  L367       InvariantChecker]: Will check inductivity from LOOP_HEAD L28-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges.
[2024-09-13 10:07:44,648 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 10:07:44,648 INFO  L367       InvariantChecker]: Will check inductivity from LOOP_HEAD L28-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges.
[2024-09-13 10:07:44,648 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 10:07:44,649 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 10:07:44,649 INFO  L130       InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 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
[2024-09-13 10:07:44,703 INFO  L314           BlockEncoder]: Initial Icfg 5 locations, 5 edges
[2024-09-13 10:07:44,704 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-13 10:07:44,704 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-13 10:07:44,705 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-13 10:07:44,706 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-13 10:07:44,710 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 10:07:44,778 INFO  L101     BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding
[2024-09-13 10:07:44,780 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 10:07:44,780 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-13 10:07:44,781 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-13 10:07:44,781 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-13 10:07:44,809 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-13 10:07:44,890 INFO  L514       InvariantChecker]: The annotation(s) from loop head L28-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-13 10:07:44,910 INFO  L314           BlockEncoder]: Initial Icfg 3 locations, 2 edges
[2024-09-13 10:07:44,911 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-13 10:07:44,911 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-13 10:07:44,911 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-13 10:07:44,912 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-13 10:07:44,912 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 10:07:44,922 INFO  L101     BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding
[2024-09-13 10:07:44,922 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 10:07:44,922 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-13 10:07:44,922 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-13 10:07:44,922 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-13 10:07:44,922 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-13 10:07:44,932 INFO  L514       InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-13 10:07:44,947 INFO  L314           BlockEncoder]: Initial Icfg 4 locations, 4 edges
[2024-09-13 10:07:44,949 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-13 10:07:44,950 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-13 10:07:44,950 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-13 10:07:44,950 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-13 10:07:44,950 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 10:07:44,971 INFO  L101     BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding
[2024-09-13 10:07:44,972 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 10:07:44,972 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-13 10:07:44,973 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-13 10:07:44,973 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-13 10:07:44,981 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-13 10:07:44,990 INFO  L514       InvariantChecker]: The annotation(s) from loop head L28-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive.
[2024-09-13 10:07:45,006 INFO  L314           BlockEncoder]: Initial Icfg 5 locations, 5 edges
[2024-09-13 10:07:45,007 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-13 10:07:45,007 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-13 10:07:45,008 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-13 10:07:45,008 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-13 10:07:45,008 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 10:07:45,011 INFO  L101     BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding
[2024-09-13 10:07:45,011 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 10:07:45,012 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-13 10:07:45,012 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-13 10:07:45,012 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-13 10:07:45,013 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-13 10:07:45,015 INFO  L514       InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive.
[2024-09-13 10:07:45,029 INFO  L314           BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-13 10:07:45,030 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-13 10:07:45,031 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-13 10:07:45,031 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-13 10:07:45,031 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-13 10:07:45,031 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 10:07:45,033 INFO  L101     BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-13 10:07:45,033 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-13 10:07:45,033 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-13 10:07:45,034 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-13 10:07:45,034 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-13 10:07:45,034 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-13 10:07:45,036 INFO  L514       InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive.
[2024-09-13 10:07:45,040 INFO  L58          RefereeStarter]: Annotation is a valid proof of correctness.
[2024-09-13 10:07:45,040 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@bdea0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:07:45, skipping insertion in model container
[2024-09-13 10:07:45,040 INFO  L131        PluginConnector]: ------------------------ END Referee----------------------------
[2024-09-13 10:07:45,043 INFO  L158              Benchmark]: Toolchain (without parser) took 1153.59ms. Allocated memory is still 169.9MB. Free memory was 137.5MB in the beginning and 71.5MB in the end (delta: 66.1MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB.
[2024-09-13 10:07:45,044 INFO  L158              Benchmark]: Witness Parser took 0.37ms. Allocated memory is still 169.9MB. Free memory was 132.0MB in the beginning and 131.8MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 10:07:45,045 INFO  L158              Benchmark]: CDTParser took 0.17ms. Allocated memory is still 169.9MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 10:07:45,045 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 298.86ms. Allocated memory is still 169.9MB. Free memory was 137.5MB in the beginning and 123.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-09-13 10:07:45,046 INFO  L158              Benchmark]: Boogie Preprocessor took 51.94ms. Allocated memory is still 169.9MB. Free memory was 123.7MB in the beginning and 121.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-13 10:07:45,047 INFO  L158              Benchmark]: RCFGBuilder took 394.24ms. Allocated memory is still 169.9MB. Free memory was 121.6MB in the beginning and 128.9MB in the end (delta: -7.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-09-13 10:07:45,048 INFO  L158              Benchmark]: Referee took 404.37ms. Allocated memory is still 169.9MB. Free memory was 128.9MB in the beginning and 71.5MB in the end (delta: 57.5MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB.
[2024-09-13 10:07:45,052 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 loop head at line 27 to check that procedure precondition always holds at line 27.
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 19.
Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27.
Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27.

 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * Witness Parser took 0.37ms. Allocated memory is still 169.9MB. Free memory was 132.0MB in the beginning and 131.8MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB.
 * CDTParser took 0.17ms. Allocated memory is still 169.9MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 298.86ms. Allocated memory is still 169.9MB. Free memory was 137.5MB in the beginning and 123.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 51.94ms. Allocated memory is still 169.9MB. Free memory was 123.7MB in the beginning and 121.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 394.24ms. Allocated memory is still 169.9MB. Free memory was 121.6MB in the beginning and 128.9MB in the end (delta: -7.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Referee took 404.37ms. Allocated memory is still 169.9MB. Free memory was 128.9MB in the beginning and 71.5MB in the end (delta: 57.5MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-09-13 10:07:45,083 INFO  L540       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...