This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m
[2024-09-25 11:46:53,640 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-09-25 11:46:53,736 INFO  L114        SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf
[2024-09-25 11:46:53,742 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-09-25 11:46:53,743 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-25 11:46:53,765 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-25 11:46:53,767 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-25 11:46:53,767 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-25 11:46:53,767 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-25 11:46:53,768 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-09-25 11:46:53,768 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-25 11:46:53,769 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-25 11:46:53,770 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-25 11:46:53,770 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-09-25 11:46:53,771 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-09-25 11:46:53,771 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-25 11:46:53,772 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-09-25 11:46:53,772 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-09-25 11:46:53,772 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-09-25 11:46:53,774 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-09-25 11:46:53,774 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-09-25 11:46:53,775 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-09-25 11:46:53,775 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-25 11:46:53,775 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-09-25 11:46:53,775 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-09-25 11:46:53,775 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-09-25 11:46:53,776 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-09-25 11:46:53,776 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-09-25 11:46:53,776 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-25 11:46:53,776 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-09-25 11:46:53,776 INFO  L153        SettingsManager]:  * Future-live optimization=false
[2024-09-25 11:46:53,776 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-09-25 11:46:53,776 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-09-25 11:46:53,777 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-25 11:46:53,777 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-25 11:46:53,777 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-09-25 11:46:53,777 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-25 11:46:53,777 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-09-25 11:46:53,777 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-25 11:46:53,777 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-25 11:46:53,778 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-25 11:46:53,779 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-09-25 11:46:53,779 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-25 11:46:53,779 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-25 11:46:54,016 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-25 11:46:54,052 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-25 11:46:54,054 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-25 11:46:54,054 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-09-25 11:46:54,058 INFO  L274        PluginConnector]: CDTParser initialized
[2024-09-25 11:46:54,059 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c
[2024-09-25 11:46:55,456 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-09-25 11:46:55,604 INFO  L384              CDTParser]: Found 1 translation units.
[2024-09-25 11:46:55,605 INFO  L180              CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c
[2024-09-25 11:46:55,612 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/da43da423/48fdad1777cf467fb7b8228099dd1f3b/FLAG85d5c86d2
[2024-09-25 11:46:56,015 INFO  L435              CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/da43da423/48fdad1777cf467fb7b8228099dd1f3b
[2024-09-25 11:46:56,017 INFO  L270        PluginConnector]: Initializing Witness Parser...
[2024-09-25 11:46:56,018 INFO  L274        PluginConnector]: Witness Parser initialized
[2024-09-25 11:46:56,018 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml
[2024-09-25 11:46:56,053 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-25 11:46:56,054 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-25 11:46:56,055 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-25 11:46:56,055 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-25 11:46:56,059 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-25 11:46:56,059 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:56" (1/2) ...
[2024-09-25 11:46:56,060 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a71841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:56, skipping insertion in model container
[2024-09-25 11:46:56,060 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:56" (1/2) ...
[2024-09-25 11:46:56,061 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@97176db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:56, skipping insertion in model container
[2024-09-25 11:46:56,062 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:56" (2/2) ...
[2024-09-25 11:46:56,062 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a71841 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56, skipping insertion in model container
[2024-09-25 11:46:56,062 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:56" (2/2) ...
[2024-09-25 11:46:56,067 INFO  L93    nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-25 11:46:56,067 INFO  L1541             ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296))
[2024-09-25 11:46:56,067 INFO  L1541             ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond)
[2024-09-25 11:46:56,079 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-09-25 11:46:56,226 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c[537,550]
[2024-09-25 11:46:56,275 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-25 11:46:56,284 INFO  L200         MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
[2024-09-25 11:46:56,316 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c[537,550]
Start Parsing Local
[2024-09-25 11:46:56,324 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-25 11:46:56,336 INFO  L204         MainTranslator]: Completed translation
[2024-09-25 11:46:56,337 INFO  L201        PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56 WrapperNode
[2024-09-25 11:46:56,337 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-25 11:46:56,338 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-25 11:46:56,338 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-25 11:46:56,338 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-09-25 11:46:56,348 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ...
[2024-09-25 11:46:56,348 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ...
[2024-09-25 11:46:56,352 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ...
[2024-09-25 11:46:56,360 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
[2024-09-25 11:46:56,360 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ...
[2024-09-25 11:46:56,360 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ...
[2024-09-25 11:46:56,363 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ...
[2024-09-25 11:46:56,365 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ...
[2024-09-25 11:46:56,366 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ...
[2024-09-25 11:46:56,367 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ...
[2024-09-25 11:46:56,368 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-25 11:46:56,368 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-25 11:46:56,369 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-09-25 11:46:56,369 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-09-25 11:46:56,369 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ...
[2024-09-25 11:46:56,374 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-25 11:46:56,380 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-25 11:46:56,400 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)
[2024-09-25 11:46:56,402 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
[2024-09-25 11:46:56,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-25 11:46:56,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-25 11:46:56,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-25 11:46:56,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-09-25 11:46:56,439 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-09-25 11:46:56,440 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2024-09-25 11:46:56,440 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2024-09-25 11:46:56,440 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-25 11:46:56,440 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-25 11:46:56,440 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-25 11:46:56,440 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2024-09-25 11:46:56,440 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-09-25 11:46:56,441 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-25 11:46:56,441 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2024-09-25 11:46:56,441 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-25 11:46:56,441 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-09-25 11:46:56,441 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-25 11:46:56,442 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-09-25 11:46:56,442 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-09-25 11:46:56,442 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-25 11:46:56,499 INFO  L241             CfgBuilder]: Building ICFG
[2024-09-25 11:46:56,502 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-25 11:46:56,730 WARN  L782   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-09-25 11:46:56,745 INFO  L290             CfgBuilder]: Performing block encoding
[2024-09-25 11:46:56,766 INFO  L312             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-25 11:46:56,766 INFO  L317             CfgBuilder]: Removed 1 assume(true) statements.
[2024-09-25 11:46:56,766 INFO  L201        PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:56 BoogieIcfgContainer
[2024-09-25 11:46:56,766 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-25 11:46:56,767 INFO  L112        PluginConnector]: ------------------------Referee----------------------------
[2024-09-25 11:46:56,770 INFO  L270        PluginConnector]: Initializing Referee...
[2024-09-25 11:46:56,771 INFO  L274        PluginConnector]: Referee initialized
[2024-09-25 11:46:56,771 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:46:56" (1/4) ...
[2024-09-25 11:46:56,771 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5603cea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:56, skipping insertion in model container
[2024-09-25 11:46:56,771 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:56" (2/4) ...
[2024-09-25 11:46:56,771 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5603cea4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:56, skipping insertion in model container
[2024-09-25 11:46:56,771 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (3/4) ...
[2024-09-25 11:46:56,771 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5603cea4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:56, skipping insertion in model container
[2024-09-25 11:46:56,772 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:56" (4/4) ...
[2024-09-25 11:46:56,772 INFO  L79         RefereeObserver]: Analyzing ICFG lcm2.c
[2024-09-25 11:46:56,778 INFO  L113       InvariantChecker]: Found 1 loops.
[2024-09-25 11:46:56,779 INFO  L373       InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges.
[2024-09-25 11:46:56,779 INFO  L373       InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges.
[2024-09-25 11:46:56,779 INFO  L373       InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges.
[2024-09-25 11:46:56,779 INFO  L373       InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges.
[2024-09-25 11:46:56,779 INFO  L373       InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges.
[2024-09-25 11:46:56,779 INFO  L373       InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges.
[2024-09-25 11:46:56,780 INFO  L131       InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location
[2024-09-25 11:46:56,824 INFO  L314           BlockEncoder]: Initial Icfg 6 locations, 7 edges
[2024-09-25 11:46:56,825 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-25 11:46:56,825 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-25 11:46:56,826 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-25 11:46:56,827 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-25 11:46:56,828 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:46:56,847 INFO  L101     BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding
[2024-09-25 11:46:56,848 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:46:56,848 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-25 11:46:56,848 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-25 11:46:56,848 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-25 11:46:56,855 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-25 11:46:56,869 INFO  L520       InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive.
[2024-09-25 11:46:56,887 INFO  L314           BlockEncoder]: Initial Icfg 7 locations, 7 edges
[2024-09-25 11:46:56,887 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-25 11:46:56,887 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-25 11:46:56,887 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-25 11:46:56,887 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-25 11:46:56,888 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:46:56,910 INFO  L101     BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding
[2024-09-25 11:46:56,910 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:46:56,910 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-25 11:46:56,911 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-25 11:46:56,914 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-25 11:46:56,928 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-25 11:47:00,931 INFO  L516       InvariantChecker]: unknown inductivity: todo good error message
[2024-09-25 11:47:00,950 INFO  L314           BlockEncoder]: Initial Icfg 8 locations, 7 edges
[2024-09-25 11:47:00,951 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-25 11:47:00,951 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-25 11:47:00,951 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-25 11:47:00,951 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-25 11:47:00,951 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:00,955 INFO  L101     BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding
[2024-09-25 11:47:00,955 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:00,955 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-25 11:47:00,955 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-25 11:47:00,955 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-25 11:47:00,955 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-25 11:47:00,962 INFO  L520       InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-25 11:47:00,981 INFO  L314           BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-25 11:47:00,982 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-25 11:47:00,982 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-25 11:47:00,982 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-25 11:47:00,982 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-25 11:47:00,982 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:00,986 INFO  L101     BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-25 11:47:00,986 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:00,986 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-25 11:47:00,987 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-25 11:47:00,987 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-25 11:47:00,987 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-25 11:47:04,992 INFO  L516       InvariantChecker]: unknown inductivity: todo good error message
[2024-09-25 11:47:05,007 INFO  L314           BlockEncoder]: Initial Icfg 5 locations, 5 edges
[2024-09-25 11:47:05,007 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-25 11:47:05,007 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-25 11:47:05,008 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-25 11:47:05,008 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-25 11:47:05,008 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:05,010 INFO  L101     BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding
[2024-09-25 11:47:05,010 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:05,010 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-25 11:47:05,010 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-25 11:47:05,011 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-25 11:47:05,011 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-25 11:47:05,012 INFO  L520       InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive.
[2024-09-25 11:47:05,019 INFO  L314           BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-25 11:47:05,019 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-25 11:47:05,019 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-25 11:47:05,020 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-25 11:47:05,020 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-25 11:47:05,020 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:05,021 INFO  L101     BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-25 11:47:05,021 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:05,021 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-25 11:47:05,021 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-25 11:47:05,021 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-25 11:47:05,022 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-25 11:47:05,023 INFO  L520       InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive.
[2024-09-25 11:47:05,025 INFO  L58          RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness.
[2024-09-25 11:47:05,025 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5603cea4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:47:05, skipping insertion in model container
[2024-09-25 11:47:05,025 INFO  L131        PluginConnector]: ------------------------ END Referee----------------------------
[2024-09-25 11:47:05,027 INFO  L158              Benchmark]: Toolchain (without parser) took 8972.16ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 96.1MB in the end (delta: 39.8MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB.
[2024-09-25 11:47:05,027 INFO  L158              Benchmark]: CDTParser took 0.09ms. Allocated memory is still 104.9MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-25 11:47:05,028 INFO  L158              Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 186.6MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-25 11:47:05,028 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 282.11ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 151.3MB in the end (delta: -15.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-09-25 11:47:05,028 INFO  L158              Benchmark]: Boogie Preprocessor took 30.36ms. Allocated memory is still 186.6MB. Free memory was 151.3MB in the beginning and 149.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-25 11:47:05,029 INFO  L158              Benchmark]: RCFGBuilder took 397.99ms. Allocated memory is still 186.6MB. Free memory was 149.2MB in the beginning and 132.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-09-25 11:47:05,029 INFO  L158              Benchmark]: Referee took 8258.89ms. Allocated memory is still 186.6MB. Free memory was 132.4MB in the beginning and 96.1MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB.
[2024-09-25 11:47:05,031 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee:
  - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness.
    Insufficient resources for checking whether annotation is a valid proof of correctness.
Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35.
Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36.
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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13.
Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35.
Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35.

 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.09ms. Allocated memory is still 104.9MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Parser took 0.14ms. Allocated memory is still 186.6MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 282.11ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 151.3MB in the end (delta: -15.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 30.36ms. Allocated memory is still 186.6MB. Free memory was 151.3MB in the beginning and 149.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 397.99ms. Allocated memory is still 186.6MB. Free memory was 149.2MB in the beginning and 132.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Referee took 8258.89ms. Allocated memory is still 186.6MB. Free memory was 132.4MB in the beginning and 96.1MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-09-25 11:47:05,056 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...

### Bit-precise run ###
This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m
[2024-09-25 11:47:07,026 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-09-25 11:47:07,115 INFO  L114        SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf
[2024-09-25 11:47:07,124 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-09-25 11:47:07,128 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-25 11:47:07,158 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-25 11:47:07,164 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-25 11:47:07,164 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-25 11:47:07,165 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-25 11:47:07,165 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-09-25 11:47:07,165 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-25 11:47:07,165 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-25 11:47:07,166 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-25 11:47:07,166 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-09-25 11:47:07,166 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-09-25 11:47:07,167 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-25 11:47:07,167 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-09-25 11:47:07,167 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-09-25 11:47:07,167 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-09-25 11:47:07,167 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-09-25 11:47:07,168 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-09-25 11:47:07,171 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-25 11:47:07,172 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-09-25 11:47:07,175 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-09-25 11:47:07,175 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-09-25 11:47:07,175 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-09-25 11:47:07,175 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-09-25 11:47:07,175 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-09-25 11:47:07,175 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-09-25 11:47:07,176 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-09-25 11:47:07,176 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-25 11:47:07,176 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-09-25 11:47:07,176 INFO  L153        SettingsManager]:  * Future-live optimization=false
[2024-09-25 11:47:07,176 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-09-25 11:47:07,177 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-09-25 11:47:07,177 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-25 11:47:07,177 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-25 11:47:07,177 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-09-25 11:47:07,177 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-25 11:47:07,178 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-09-25 11:47:07,178 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-09-25 11:47:07,185 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-25 11:47:07,185 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-25 11:47:07,186 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-09-25 11:47:07,186 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-25 11:47:07,186 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2024-09-25 11:47:07,186 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-25 11:47:07,614 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-25 11:47:07,642 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-25 11:47:07,645 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-25 11:47:07,649 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-09-25 11:47:07,650 INFO  L274        PluginConnector]: CDTParser initialized
[2024-09-25 11:47:07,651 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c
[2024-09-25 11:47:09,132 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-09-25 11:47:09,327 INFO  L384              CDTParser]: Found 1 translation units.
[2024-09-25 11:47:09,328 INFO  L180              CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c
[2024-09-25 11:47:09,338 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5d421dadc/0a76586e19cf4a8bbc651e62ddc2d267/FLAG73953540c
[2024-09-25 11:47:09,351 INFO  L435              CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5d421dadc/0a76586e19cf4a8bbc651e62ddc2d267
[2024-09-25 11:47:09,353 INFO  L270        PluginConnector]: Initializing Witness Parser...
[2024-09-25 11:47:09,353 INFO  L274        PluginConnector]: Witness Parser initialized
[2024-09-25 11:47:09,354 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml
[2024-09-25 11:47:09,414 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-25 11:47:09,419 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-25 11:47:09,420 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-25 11:47:09,420 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-25 11:47:09,427 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-25 11:47:09,428 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:09" (1/2) ...
[2024-09-25 11:47:09,433 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6681f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:09, skipping insertion in model container
[2024-09-25 11:47:09,433 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:09" (1/2) ...
[2024-09-25 11:47:09,436 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d5302d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:09, skipping insertion in model container
[2024-09-25 11:47:09,436 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:09" (2/2) ...
[2024-09-25 11:47:09,437 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6681f9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09, skipping insertion in model container
[2024-09-25 11:47:09,437 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:09" (2/2) ...
[2024-09-25 11:47:09,451 INFO  L93    nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-25 11:47:09,452 INFO  L1541             ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296))
[2024-09-25 11:47:09,452 INFO  L1541             ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond)
[2024-09-25 11:47:09,480 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-09-25 11:47:09,655 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c[537,550]
[2024-09-25 11:47:09,679 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-25 11:47:09,690 INFO  L200         MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
[2024-09-25 11:47:09,724 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c[537,550]
Start Parsing Local
[2024-09-25 11:47:09,730 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-25 11:47:09,745 INFO  L204         MainTranslator]: Completed translation
[2024-09-25 11:47:09,751 INFO  L201        PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09 WrapperNode
[2024-09-25 11:47:09,752 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-25 11:47:09,752 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-25 11:47:09,752 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-25 11:47:09,753 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-09-25 11:47:09,764 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ...
[2024-09-25 11:47:09,764 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ...
[2024-09-25 11:47:09,775 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ...
[2024-09-25 11:47:09,789 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
[2024-09-25 11:47:09,789 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ...
[2024-09-25 11:47:09,790 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ...
[2024-09-25 11:47:09,797 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ...
[2024-09-25 11:47:09,804 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ...
[2024-09-25 11:47:09,805 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ...
[2024-09-25 11:47:09,805 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ...
[2024-09-25 11:47:09,807 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-25 11:47:09,809 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-25 11:47:09,809 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-09-25 11:47:09,809 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-09-25 11:47:09,810 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ...
[2024-09-25 11:47:09,814 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-25 11:47:09,821 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-25 11:47:09,832 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)
[2024-09-25 11:47:09,836 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
[2024-09-25 11:47:09,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-25 11:47:09,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-25 11:47:09,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-25 11:47:09,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-09-25 11:47:09,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-09-25 11:47:09,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2024-09-25 11:47:09,876 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2024-09-25 11:47:09,876 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-25 11:47:09,876 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-25 11:47:09,876 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-25 11:47:09,877 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2024-09-25 11:47:09,877 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-09-25 11:47:09,877 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-25 11:47:09,877 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2024-09-25 11:47:09,877 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-25 11:47:09,877 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2024-09-25 11:47:09,877 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-25 11:47:09,878 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE1
[2024-09-25 11:47:09,878 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE1
[2024-09-25 11:47:09,878 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-25 11:47:09,957 INFO  L241             CfgBuilder]: Building ICFG
[2024-09-25 11:47:09,963 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-25 11:47:10,520 WARN  L782   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-09-25 11:47:10,535 INFO  L290             CfgBuilder]: Performing block encoding
[2024-09-25 11:47:10,580 INFO  L312             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-25 11:47:10,580 INFO  L317             CfgBuilder]: Removed 1 assume(true) statements.
[2024-09-25 11:47:10,587 INFO  L201        PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:10 BoogieIcfgContainer
[2024-09-25 11:47:10,587 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-25 11:47:10,588 INFO  L112        PluginConnector]: ------------------------Referee----------------------------
[2024-09-25 11:47:10,588 INFO  L270        PluginConnector]: Initializing Referee...
[2024-09-25 11:47:10,589 INFO  L274        PluginConnector]: Referee initialized
[2024-09-25 11:47:10,589 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:47:09" (1/4) ...
[2024-09-25 11:47:10,590 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b5260bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:10, skipping insertion in model container
[2024-09-25 11:47:10,590 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:09" (2/4) ...
[2024-09-25 11:47:10,590 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b5260bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:10, skipping insertion in model container
[2024-09-25 11:47:10,590 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (3/4) ...
[2024-09-25 11:47:10,590 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b5260bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:10, skipping insertion in model container
[2024-09-25 11:47:10,590 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:10" (4/4) ...
[2024-09-25 11:47:10,592 INFO  L79         RefereeObserver]: Analyzing ICFG lcm2.c
[2024-09-25 11:47:10,596 INFO  L113       InvariantChecker]: Found 1 loops.
[2024-09-25 11:47:10,597 INFO  L373       InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges.
[2024-09-25 11:47:10,597 INFO  L373       InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges.
[2024-09-25 11:47:10,597 INFO  L373       InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges.
[2024-09-25 11:47:10,598 INFO  L373       InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges.
[2024-09-25 11:47:10,598 INFO  L373       InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges.
[2024-09-25 11:47:10,598 INFO  L373       InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges.
[2024-09-25 11:47:10,598 INFO  L131       InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head
[2024-09-25 11:47:10,648 INFO  L314           BlockEncoder]: Initial Icfg 6 locations, 7 edges
[2024-09-25 11:47:10,649 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-25 11:47:10,650 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-25 11:47:10,653 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-25 11:47:10,655 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-25 11:47:10,656 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:10,679 INFO  L101     BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding
[2024-09-25 11:47:10,681 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:10,681 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-25 11:47:10,681 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-25 11:47:10,681 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-25 11:47:10,684 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-25 11:47:10,695 INFO  L520       InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive.
[2024-09-25 11:47:10,716 INFO  L314           BlockEncoder]: Initial Icfg 7 locations, 7 edges
[2024-09-25 11:47:10,716 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-25 11:47:10,716 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-25 11:47:10,716 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-25 11:47:10,717 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-25 11:47:10,717 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:10,740 INFO  L101     BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding
[2024-09-25 11:47:10,740 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:10,740 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-25 11:47:10,740 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-25 11:47:10,740 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-25 11:47:10,748 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-25 11:47:14,831 INFO  L516       InvariantChecker]: unknown inductivity: todo good error message
[2024-09-25 11:47:14,893 INFO  L314           BlockEncoder]: Initial Icfg 8 locations, 7 edges
[2024-09-25 11:47:14,893 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-25 11:47:14,893 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-25 11:47:14,893 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-25 11:47:14,893 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-25 11:47:14,893 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:14,906 INFO  L101     BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding
[2024-09-25 11:47:14,906 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:14,906 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-25 11:47:14,906 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-25 11:47:14,906 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-25 11:47:14,906 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-25 11:47:14,945 INFO  L520       InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-25 11:47:14,983 INFO  L314           BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-25 11:47:14,983 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-25 11:47:14,983 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-25 11:47:14,983 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-25 11:47:14,983 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-25 11:47:14,983 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:14,990 INFO  L101     BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-25 11:47:14,990 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:14,991 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-25 11:47:14,991 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-25 11:47:14,991 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-25 11:47:14,991 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-25 11:47:19,061 INFO  L516       InvariantChecker]: unknown inductivity: todo good error message
[2024-09-25 11:47:19,106 INFO  L314           BlockEncoder]: Initial Icfg 5 locations, 5 edges
[2024-09-25 11:47:19,106 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-25 11:47:19,106 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-25 11:47:19,106 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-25 11:47:19,106 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-25 11:47:19,107 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:19,117 INFO  L101     BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding
[2024-09-25 11:47:19,117 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:19,117 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-25 11:47:19,117 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-25 11:47:19,117 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-25 11:47:19,118 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-25 11:47:19,119 INFO  L520       InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive.
[2024-09-25 11:47:19,126 INFO  L314           BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-25 11:47:19,126 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-25 11:47:19,127 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-25 11:47:19,127 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-25 11:47:19,127 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-25 11:47:19,127 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:19,128 INFO  L101     BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-25 11:47:19,128 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-25 11:47:19,128 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-25 11:47:19,129 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-25 11:47:19,129 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-25 11:47:19,129 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-25 11:47:19,130 INFO  L520       InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive.
[2024-09-25 11:47:19,132 INFO  L58          RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness.
[2024-09-25 11:47:19,133 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b5260bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:47:19, skipping insertion in model container
[2024-09-25 11:47:19,133 INFO  L131        PluginConnector]: ------------------------ END Referee----------------------------
[2024-09-25 11:47:19,134 INFO  L158              Benchmark]: Toolchain (without parser) took 9714.61ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 56.3MB in the beginning and 88.1MB in the end (delta: -31.7MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB.
[2024-09-25 11:47:19,135 INFO  L158              Benchmark]: CDTParser took 0.26ms. Allocated memory is still 79.7MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-25 11:47:19,135 INFO  L158              Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 79.7MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-25 11:47:19,135 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 332.02ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 42.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-09-25 11:47:19,136 INFO  L158              Benchmark]: Boogie Preprocessor took 56.11ms. Allocated memory is still 79.7MB. Free memory was 42.1MB in the beginning and 40.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-25 11:47:19,136 INFO  L158              Benchmark]: RCFGBuilder took 778.35ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 40.0MB in the beginning and 83.1MB in the end (delta: -43.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB.
[2024-09-25 11:47:19,137 INFO  L158              Benchmark]: Referee took 8545.07ms. Allocated memory is still 113.2MB. Free memory was 83.1MB in the beginning and 88.1MB in the end (delta: -5.0MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB.
[2024-09-25 11:47:19,139 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee:
  - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness.
    Insufficient resources for checking whether annotation is a valid proof of correctness.
Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35.
Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36.
Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35.
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 13.
Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35.
Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert.

 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.26ms. Allocated memory is still 79.7MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * Witness Parser took 0.11ms. Allocated memory is still 79.7MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 332.02ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 42.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 56.11ms. Allocated memory is still 79.7MB. Free memory was 42.1MB in the beginning and 40.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 778.35ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 40.0MB in the beginning and 83.1MB in the end (delta: -43.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB.
 * Referee took 8545.07ms. Allocated memory is still 113.2MB. Free memory was 83.1MB in the beginning and 88.1MB in the end (delta: -5.0MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-09-25 11:47:19,175 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...