./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version de325976
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None
--- Real Ultimate output ---
This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m
[2024-09-17 19:40:17,421 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-17 19:40:17,456 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf
[2024-09-17 19:40:17,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-17 19:40:17,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-17 19:40:17,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-17 19:40:17,479 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-17 19:40:17,479 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-17 19:40:17,480 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-17 19:40:17,480 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-17 19:40:17,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-17 19:40:17,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-17 19:40:17,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-17 19:40:17,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-17 19:40:17,483 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-17 19:40:17,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-17 19:40:17,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-17 19:40:17,484 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-17 19:40:17,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-09-17 19:40:17,484 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-17 19:40:17,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-17 19:40:17,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-17 19:40:17,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-17 19:40:17,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-17 19:40:17,488 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-17 19:40:17,488 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-17 19:40:17,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-17 19:40:17,488 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-17 19:40:17,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-17 19:40:17,489 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-17 19:40:17,489 INFO L153 SettingsManager]: * Future-live optimization=false
[2024-09-17 19:40:17,489 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-17 19:40:17,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-17 19:40:17,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-17 19:40:17,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-17 19:40:17,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-17 19:40:17,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-17 19:40:17,490 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-09-17 19:40:17,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-17 19:40:17,490 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-17 19:40:17,490 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-17 19:40:17,491 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-17 19:40:17,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-17 19:40:17,491 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-17 19:40:17,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-17 19:40:17,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-17 19:40:17,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-17 19:40:17,709 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-17 19:40:17,709 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-17 19:40:17,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml
[2024-09-17 19:40:17,783 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-17 19:40:17,784 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-17 19:40:17,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i
[2024-09-17 19:40:19,081 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-17 19:40:19,241 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-17 19:40:19,242 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i
[2024-09-17 19:40:19,248 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8d51cafc2/71f3657576ad4e0f8bf6201913589ed8/FLAG86b99a42d
[2024-09-17 19:40:19,639 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8d51cafc2/71f3657576ad4e0f8bf6201913589ed8
[2024-09-17 19:40:19,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-17 19:40:19,643 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-17 19:40:19,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-17 19:40:19,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-17 19:40:19,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-17 19:40:19,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:17" (1/2) ...
[2024-09-17 19:40:19,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ba2eac and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:19, skipping insertion in model container
[2024-09-17 19:40:19,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:17" (1/2) ...
[2024-09-17 19:40:19,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7d0f500c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:19, skipping insertion in model container
[2024-09-17 19:40:19,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:19" (2/2) ...
[2024-09-17 19:40:19,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ba2eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19, skipping insertion in model container
[2024-09-17 19:40:19,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:19" (2/2) ...
[2024-09-17 19:40:19,666 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-17 19:40:19,666 INFO L1541 ArrayList]: Loop invariant at [L40-L49] (((((2 <= counter) && (A == r)) && (q == 0)) || (((A == r) && (B == b)) && (q == 0))) && (\old(counter) == 0))
[2024-09-17 19:40:19,667 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && (((((2 <= counter) && (A == r)) && (q == 0)) || ((((A == r) && (counter == 0)) && (B == b)) && (q == 0))) || (((A == r) && (q == 0)) && (counter == 1))))
[2024-09-17 19:40:19,667 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0)
[2024-09-17 19:40:19,667 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0)
[2024-09-17 19:40:19,667 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond))
[2024-09-17 19:40:19,679 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-17 19:40:19,789 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-scaling/divbin_unwindbound2.i[950,963]
[2024-09-17 19:40:19,801 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-17 19:40:19,807 INFO L200 MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
Start Parsing Global
Start Parsing Global
[2024-09-17 19:40:19,838 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-scaling/divbin_unwindbound2.i[950,963]
Start Parsing Global
Start Parsing Global
Start Parsing Local
Start Parsing Local
[2024-09-17 19:40:19,849 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-17 19:40:19,860 INFO L204 MainTranslator]: Completed translation
[2024-09-17 19:40:19,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19 WrapperNode
[2024-09-17 19:40:19,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-17 19:40:19,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-17 19:40:19,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-17 19:40:19,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-17 19:40:19,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ...
[2024-09-17 19:40:19,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ...
[2024-09-17 19:40:19,878 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ...
[2024-09-17 19:40:19,894 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification
[2024-09-17 19:40:19,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ...
[2024-09-17 19:40:19,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ...
[2024-09-17 19:40:19,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ...
[2024-09-17 19:40:19,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ...
[2024-09-17 19:40:19,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ...
[2024-09-17 19:40:19,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ...
[2024-09-17 19:40:19,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-17 19:40:19,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-17 19:40:19,914 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-17 19:40:19,914 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-17 19:40:19,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ...
[2024-09-17 19:40:19,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-17 19:40:19,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-17 19:40:19,938 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)
[2024-09-17 19:40:19,940 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
[2024-09-17 19:40:19,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-17 19:40:19,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-17 19:40:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-17 19:40:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-09-17 19:40:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-09-17 19:40:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2024-09-17 19:40:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2024-09-17 19:40:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-17 19:40:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2024-09-17 19:40:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure __assert
[2024-09-17 19:40:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-17 19:40:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-17 19:40:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2024-09-17 19:40:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-09-17 19:40:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-17 19:40:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2024-09-17 19:40:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-17 19:40:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-09-17 19:40:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-17 19:40:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-09-17 19:40:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-09-17 19:40:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-17 19:40:20,049 INFO L242 CfgBuilder]: Building ICFG
[2024-09-17 19:40:20,050 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-17 19:40:20,069 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-09-17 19:40:20,090 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-09-17 19:40:20,201 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-09-17 19:40:20,214 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-17 19:40:20,232 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-17 19:40:20,232 INFO L318 CfgBuilder]: Removed 2 assume(true) statements.
[2024-09-17 19:40:20,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:20 BoogieIcfgContainer
[2024-09-17 19:40:20,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-17 19:40:20,233 INFO L112 PluginConnector]: ------------------------Referee----------------------------
[2024-09-17 19:40:20,233 INFO L270 PluginConnector]: Initializing Referee...
[2024-09-17 19:40:20,234 INFO L274 PluginConnector]: Referee initialized
[2024-09-17 19:40:20,234 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:17" (1/4) ...
[2024-09-17 19:40:20,234 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f3204ac and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:20, skipping insertion in model container
[2024-09-17 19:40:20,234 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:40:19" (2/4) ...
[2024-09-17 19:40:20,235 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f3204ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:20, skipping insertion in model container
[2024-09-17 19:40:20,235 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (3/4) ...
[2024-09-17 19:40:20,235 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f3204ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:20, skipping insertion in model container
[2024-09-17 19:40:20,235 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:20" (4/4) ...
[2024-09-17 19:40:20,236 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound2.i
[2024-09-17 19:40:20,239 INFO L113 InvariantChecker]: Found 2 loops.
[2024-09-17 19:40:20,239 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges.
[2024-09-17 19:40:20,239 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges.
[2024-09-17 19:40:20,240 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges.
[2024-09-17 19:40:20,240 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges.
[2024-09-17 19:40:20,240 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges.
[2024-09-17 19:40:20,240 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges.
[2024-09-17 19:40:20,240 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges.
[2024-09-17 19:40:20,241 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges.
[2024-09-17 19:40:20,241 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges.
[2024-09-17 19:40:20,241 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges.
[2024-09-17 19:40:20,241 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges.
[2024-09-17 19:40:20,241 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges.
[2024-09-17 19:40:20,241 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges.
[2024-09-17 19:40:20,242 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 6 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location
[2024-09-17 19:40:20,277 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges
[2024-09-17 19:40:20,278 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:20,278 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:20,279 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:20,279 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:20,281 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:20,287 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding
[2024-09-17 19:40:20,288 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:20,288 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:20,289 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:20,289 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:20,291 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:20,304 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive.
[2024-09-17 19:40:20,331 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges
[2024-09-17 19:40:20,332 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:20,332 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:20,333 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:20,333 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:20,333 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:20,369 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding
[2024-09-17 19:40:20,371 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:20,371 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:20,371 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:20,371 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:20,401 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:24,429 INFO L516 InvariantChecker]: unknown inductivity: todo good error message
[2024-09-17 19:40:24,464 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges
[2024-09-17 19:40:24,464 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:24,464 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:24,464 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:24,464 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:24,465 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:24,472 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding
[2024-09-17 19:40:24,472 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:24,472 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:24,473 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:24,473 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:24,473 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:24,475 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive.
[2024-09-17 19:40:24,485 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-17 19:40:24,485 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:24,485 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:24,485 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:24,485 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:24,485 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:24,486 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-17 19:40:24,486 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:24,487 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:24,487 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:24,487 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:24,487 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:24,488 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive.
[2024-09-17 19:40:24,505 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges
[2024-09-17 19:40:24,505 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:24,506 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:24,506 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:24,506 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:24,506 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:24,529 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding
[2024-09-17 19:40:24,531 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:24,531 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:24,532 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:24,532 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:24,538 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:24,549 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-17 19:40:24,565 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges
[2024-09-17 19:40:24,565 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:24,565 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:24,566 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:24,566 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:24,566 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:24,581 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding
[2024-09-17 19:40:24,581 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:24,581 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:24,581 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:24,581 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:24,583 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:24,586 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-17 19:40:24,593 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges
[2024-09-17 19:40:24,594 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:24,594 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:24,594 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:24,594 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:24,594 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:24,599 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding
[2024-09-17 19:40:24,599 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:24,599 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:24,599 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:24,600 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:24,600 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:28,603 INFO L516 InvariantChecker]: unknown inductivity: todo good error message
[2024-09-17 19:40:28,613 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges
[2024-09-17 19:40:28,613 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:28,613 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:28,613 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:28,613 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:28,614 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:28,627 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding
[2024-09-17 19:40:28,627 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:28,627 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:28,627 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:28,627 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:28,628 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:28,629 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive.
[2024-09-17 19:40:28,635 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-17 19:40:28,635 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:28,636 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:28,636 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:28,636 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:28,636 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:28,636 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-17 19:40:28,637 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:28,637 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:28,637 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:28,637 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:28,637 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:28,638 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive.
[2024-09-17 19:40:28,645 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges
[2024-09-17 19:40:28,646 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:28,646 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:28,646 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:28,646 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:28,646 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:28,648 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding
[2024-09-17 19:40:28,648 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:28,648 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:28,648 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:28,648 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:28,648 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:28,650 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-17 19:40:28,656 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges
[2024-09-17 19:40:28,656 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:28,657 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:28,657 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:28,657 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:28,657 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:28,661 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding
[2024-09-17 19:40:28,662 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:28,662 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:28,662 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:28,662 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:28,662 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:28,664 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-17 19:40:28,670 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges
[2024-09-17 19:40:28,670 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:28,670 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:28,670 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:28,670 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:28,670 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:28,671 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding
[2024-09-17 19:40:28,672 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:28,672 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:28,672 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:28,672 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:28,672 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:28,673 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive.
[2024-09-17 19:40:28,679 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-17 19:40:28,679 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:28,679 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:28,679 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:28,679 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:28,679 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:28,680 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-17 19:40:28,680 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:28,680 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:28,681 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:28,681 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:28,681 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:28,682 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive.
[2024-09-17 19:40:28,684 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness.
[2024-09-17 19:40:28,684 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f3204ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:40:28, skipping insertion in model container
[2024-09-17 19:40:28,684 INFO L131 PluginConnector]: ------------------------ END Referee----------------------------
[2024-09-17 19:40:28,686 INFO L158 Benchmark]: Toolchain (without parser) took 9042.10ms. Allocated memory is still 190.8MB. Free memory was 116.3MB in the beginning and 107.3MB in the end (delta: 9.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
[2024-09-17 19:40:28,686 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 121.6MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-17 19:40:28,686 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 190.8MB. Free memory is still 163.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-17 19:40:28,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.62ms. Allocated memory is still 190.8MB. Free memory was 116.3MB in the beginning and 102.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-09-17 19:40:28,687 INFO L158 Benchmark]: Boogie Preprocessor took 48.38ms. Allocated memory is still 190.8MB. Free memory was 102.4MB in the beginning and 100.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-17 19:40:28,687 INFO L158 Benchmark]: RCFGBuilder took 322.06ms. Allocated memory is still 190.8MB. Free memory was 100.0MB in the beginning and 84.2MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-09-17 19:40:28,688 INFO L158 Benchmark]: Referee took 8451.59ms. Allocated memory is still 190.8MB. Free memory was 84.2MB in the beginning and 107.3MB in the end (delta: -23.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2024-09-17 19:40:28,689 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 40 to check that procedure precondition always holds at line 40.
Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41.
Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not.
Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31.
Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 40.
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 20.
Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1.
Annotation is valid for all loop-free paths from entry of procedure main to loop head 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 loop head at line 36 to loop head at line 36.
Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31.
Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40.
Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main.
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Witness Parser took 0.14ms. Allocated memory is still 121.6MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CDTParser took 0.17ms. Allocated memory is still 190.8MB. Free memory is still 163.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 214.62ms. Allocated memory is still 190.8MB. Free memory was 116.3MB in the beginning and 102.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 48.38ms. Allocated memory is still 190.8MB. Free memory was 102.4MB in the beginning and 100.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 322.06ms. Allocated memory is still 190.8MB. Free memory was 100.0MB in the beginning and 84.2MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Referee took 8451.59ms. Allocated memory is still 190.8MB. Free memory was 84.2MB in the beginning and 107.3MB in the end (delta: -23.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-09-17 19:40:28,714 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None
--- Real Ultimate output ---
This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m
[2024-09-17 19:40:30,803 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-17 19:40:30,873 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf
[2024-09-17 19:40:30,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-17 19:40:30,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-17 19:40:30,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-17 19:40:30,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-17 19:40:30,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-17 19:40:30,908 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-17 19:40:30,908 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-17 19:40:30,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-17 19:40:30,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-17 19:40:30,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-17 19:40:30,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-17 19:40:30,909 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-17 19:40:30,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-17 19:40:30,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-17 19:40:30,910 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-17 19:40:30,910 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-17 19:40:30,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-17 19:40:30,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-17 19:40:30,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-17 19:40:30,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-17 19:40:30,917 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-09-17 19:40:30,917 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-09-17 19:40:30,918 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-17 19:40:30,918 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-09-17 19:40:30,918 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-17 19:40:30,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-17 19:40:30,918 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-17 19:40:30,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-17 19:40:30,918 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-17 19:40:30,919 INFO L153 SettingsManager]: * Future-live optimization=false
[2024-09-17 19:40:30,919 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-17 19:40:30,919 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-17 19:40:30,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-17 19:40:30,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-17 19:40:30,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-17 19:40:30,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-17 19:40:30,935 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-09-17 19:40:30,935 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-09-17 19:40:30,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-17 19:40:30,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-17 19:40:30,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-17 19:40:30,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-17 19:40:30,936 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2024-09-17 19:40:30,936 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-17 19:40:31,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-17 19:40:31,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-17 19:40:31,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-17 19:40:31,218 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-17 19:40:31,219 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-17 19:40:31,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i
[2024-09-17 19:40:32,565 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-17 19:40:32,906 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-17 19:40:32,907 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i
[2024-09-17 19:40:32,923 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/64e0b3af8/6d1df6af007a4a3f83c35db8dde6a08c/FLAG599ac58e3
[2024-09-17 19:40:33,168 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/64e0b3af8/6d1df6af007a4a3f83c35db8dde6a08c
[2024-09-17 19:40:33,170 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-17 19:40:33,171 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-17 19:40:33,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml
[2024-09-17 19:40:33,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-17 19:40:33,219 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-17 19:40:33,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-17 19:40:33,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-17 19:40:33,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-17 19:40:33,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:33" (1/2) ...
[2024-09-17 19:40:33,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a8e5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:33, skipping insertion in model container
[2024-09-17 19:40:33,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:33" (1/2) ...
[2024-09-17 19:40:33,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78b988b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:33, skipping insertion in model container
[2024-09-17 19:40:33,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:33" (2/2) ...
[2024-09-17 19:40:33,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a8e5b4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:33, skipping insertion in model container
[2024-09-17 19:40:33,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:33" (2/2) ...
[2024-09-17 19:40:33,238 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-17 19:40:33,239 INFO L1541 ArrayList]: Loop invariant at [L40-L49] (((((2 <= counter) && (A == r)) && (q == 0)) || (((A == r) && (B == b)) && (q == 0))) && (\old(counter) == 0))
[2024-09-17 19:40:33,239 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && (((((2 <= counter) && (A == r)) && (q == 0)) || ((((A == r) && (counter == 0)) && (B == b)) && (q == 0))) || (((A == r) && (q == 0)) && (counter == 1))))
[2024-09-17 19:40:33,239 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond))
[2024-09-17 19:40:33,239 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0)
[2024-09-17 19:40:33,239 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0)
[2024-09-17 19:40:33,254 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-17 19:40:33,363 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-scaling/divbin_unwindbound2.i[950,963]
[2024-09-17 19:40:33,376 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-17 19:40:33,386 INFO L200 MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
Start Parsing Global
Start Parsing Global
[2024-09-17 19:40:33,434 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-scaling/divbin_unwindbound2.i[950,963]
Start Parsing Global
Start Parsing Global
Start Parsing Local
Start Parsing Local
[2024-09-17 19:40:33,472 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-17 19:40:33,528 INFO L204 MainTranslator]: Completed translation
[2024-09-17 19:40:33,529 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:33 WrapperNode
[2024-09-17 19:40:33,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-17 19:40:33,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-17 19:40:33,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-17 19:40:33,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-17 19:40:33,551 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 17.09 07:40:33" (1/1) ...
[2024-09-17 19:40:33,552 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 17.09 07:40:33" (1/1) ...
[2024-09-17 19:40:33,562 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 17.09 07:40:33" (1/1) ...
[2024-09-17 19:40:33,570 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification
[2024-09-17 19:40:33,573 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 17.09 07:40:33" (1/1) ...
[2024-09-17 19:40:33,574 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 17.09 07:40:33" (1/1) ...
[2024-09-17 19:40:33,583 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 17.09 07:40:33" (1/1) ...
[2024-09-17 19:40:33,586 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 17.09 07:40:33" (1/1) ...
[2024-09-17 19:40:33,587 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 17.09 07:40:33" (1/1) ...
[2024-09-17 19:40:33,589 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 17.09 07:40:33" (1/1) ...
[2024-09-17 19:40:33,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-17 19:40:33,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-17 19:40:33,595 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-17 19:40:33,595 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-17 19:40:33,596 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 17.09 07:40:33" (1/1) ...
[2024-09-17 19:40:33,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-17 19:40:33,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-17 19:40:33,624 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)
[2024-09-17 19:40:33,626 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
[2024-09-17 19:40:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-17 19:40:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-17 19:40:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-17 19:40:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-09-17 19:40:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-09-17 19:40:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2024-09-17 19:40:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2024-09-17 19:40:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-17 19:40:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2024-09-17 19:40:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure __assert
[2024-09-17 19:40:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-17 19:40:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-17 19:40:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2024-09-17 19:40:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-09-17 19:40:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-17 19:40:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2024-09-17 19:40:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-17 19:40:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2024-09-17 19:40:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-17 19:40:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1
[2024-09-17 19:40:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1
[2024-09-17 19:40:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-17 19:40:33,723 INFO L242 CfgBuilder]: Building ICFG
[2024-09-17 19:40:33,725 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-17 19:40:33,743 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-09-17 19:40:33,767 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-09-17 19:40:33,952 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-09-17 19:40:33,964 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-17 19:40:34,018 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-17 19:40:34,018 INFO L318 CfgBuilder]: Removed 2 assume(true) statements.
[2024-09-17 19:40:34,019 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:34 BoogieIcfgContainer
[2024-09-17 19:40:34,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-17 19:40:34,020 INFO L112 PluginConnector]: ------------------------Referee----------------------------
[2024-09-17 19:40:34,020 INFO L270 PluginConnector]: Initializing Referee...
[2024-09-17 19:40:34,021 INFO L274 PluginConnector]: Referee initialized
[2024-09-17 19:40:34,021 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:40:33" (1/4) ...
[2024-09-17 19:40:34,022 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61c59e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:34, skipping insertion in model container
[2024-09-17 19:40:34,022 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:33" (2/4) ...
[2024-09-17 19:40:34,022 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61c59e99 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:34, skipping insertion in model container
[2024-09-17 19:40:34,022 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 17.09 07:40:33" (3/4) ...
[2024-09-17 19:40:34,022 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61c59e99 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:34, skipping insertion in model container
[2024-09-17 19:40:34,022 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:34" (4/4) ...
[2024-09-17 19:40:34,029 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound2.i
[2024-09-17 19:40:34,036 INFO L113 InvariantChecker]: Found 2 loops.
[2024-09-17 19:40:34,037 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges.
[2024-09-17 19:40:34,037 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges.
[2024-09-17 19:40:34,037 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges.
[2024-09-17 19:40:34,037 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges.
[2024-09-17 19:40:34,038 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges.
[2024-09-17 19:40:34,038 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges.
[2024-09-17 19:40:34,038 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges.
[2024-09-17 19:40:34,038 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges.
[2024-09-17 19:40:34,038 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges.
[2024-09-17 19:40:34,038 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges.
[2024-09-17 19:40:34,038 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges.
[2024-09-17 19:40:34,039 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges.
[2024-09-17 19:40:34,039 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges.
[2024-09-17 19:40:34,039 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 6 loop-free subgraphs from procedure entry to error location
[2024-09-17 19:40:34,137 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges
[2024-09-17 19:40:34,139 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:34,140 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:34,140 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:34,145 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:34,147 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,167 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding
[2024-09-17 19:40:34,172 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,173 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:34,174 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:34,174 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:34,181 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:34,208 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive.
[2024-09-17 19:40:34,245 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges
[2024-09-17 19:40:34,250 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:34,250 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:34,250 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:34,251 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:34,251 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,290 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding
[2024-09-17 19:40:34,292 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,292 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:34,292 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:34,296 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:34,299 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:34,332 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive.
[2024-09-17 19:40:34,370 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges
[2024-09-17 19:40:34,374 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:34,374 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:34,375 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:34,375 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:34,377 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,378 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding
[2024-09-17 19:40:34,378 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,378 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:34,378 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:34,378 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:34,379 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:34,384 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive.
[2024-09-17 19:40:34,403 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-17 19:40:34,405 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:34,405 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:34,405 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:34,405 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:34,405 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,412 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-17 19:40:34,412 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,412 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:34,412 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:34,412 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:34,412 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:34,414 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive.
[2024-09-17 19:40:34,438 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges
[2024-09-17 19:40:34,438 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:34,442 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:34,442 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:34,442 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:34,443 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,480 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding
[2024-09-17 19:40:34,482 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,482 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:34,482 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:34,482 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:34,491 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:34,504 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-17 19:40:34,525 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges
[2024-09-17 19:40:34,526 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:34,526 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:34,526 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:34,526 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:34,526 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,550 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding
[2024-09-17 19:40:34,550 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,550 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:34,551 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:34,551 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:34,558 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:34,586 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges
[2024-09-17 19:40:34,590 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:34,590 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:34,590 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:34,591 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:34,593 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,597 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding
[2024-09-17 19:40:34,601 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,601 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:34,602 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:34,602 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:34,602 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:34,624 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive.
[2024-09-17 19:40:34,637 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges
[2024-09-17 19:40:34,641 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:34,641 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:34,641 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:34,641 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:34,641 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,677 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding
[2024-09-17 19:40:34,681 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,681 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:34,681 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:34,681 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:34,682 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:34,683 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive.
[2024-09-17 19:40:34,692 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-17 19:40:34,692 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:34,692 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:34,692 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:34,692 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:34,693 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,693 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-17 19:40:34,698 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,698 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:34,699 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:34,699 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:34,699 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:34,700 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive.
[2024-09-17 19:40:34,710 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges
[2024-09-17 19:40:34,713 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:34,713 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:34,713 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:34,713 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:34,713 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,716 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding
[2024-09-17 19:40:34,718 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,719 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:34,719 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:34,719 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:34,719 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:34,720 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-17 19:40:34,731 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges
[2024-09-17 19:40:34,734 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:34,734 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:34,734 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:34,734 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:34,734 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,743 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding
[2024-09-17 19:40:34,743 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,744 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:34,744 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:34,744 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:34,744 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:34,748 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-17 19:40:34,756 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges
[2024-09-17 19:40:34,756 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:34,756 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:34,757 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:34,757 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:34,757 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,760 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding
[2024-09-17 19:40:34,761 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,761 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:34,761 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:34,762 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:34,762 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:34,763 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive.
[2024-09-17 19:40:34,769 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-17 19:40:34,769 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:40:34,770 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:40:34,770 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:40:34,770 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:40:34,770 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,771 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-17 19:40:34,771 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:40:34,771 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:40:34,771 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:40:34,771 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:40:34,771 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-17 19:40:34,772 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive.
[2024-09-17 19:40:34,778 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post3
[2024-09-17 19:40:34,779 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness.
[2024-09-17 19:40:34,779 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61c59e99 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:40:34, skipping insertion in model container
[2024-09-17 19:40:34,779 INFO L131 PluginConnector]: ------------------------ END Referee----------------------------
[2024-09-17 19:40:34,781 INFO L158 Benchmark]: Toolchain (without parser) took 1561.19ms. Allocated memory was 60.8MB in the beginning and 92.3MB in the end (delta: 31.5MB). Free memory was 37.1MB in the beginning and 48.5MB in the end (delta: -11.4MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB.
[2024-09-17 19:40:34,781 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 35.9MB in the beginning and 35.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-17 19:40:34,781 INFO L158 Benchmark]: Witness Parser took 0.07ms. Allocated memory is still 60.8MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-17 19:40:34,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.73ms. Allocated memory was 60.8MB in the beginning and 92.3MB in the end (delta: 31.5MB). Free memory was 36.9MB in the beginning and 71.2MB in the end (delta: -34.3MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB.
[2024-09-17 19:40:34,782 INFO L158 Benchmark]: Boogie Preprocessor took 60.74ms. Allocated memory is still 92.3MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-17 19:40:34,782 INFO L158 Benchmark]: RCFGBuilder took 424.01ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 53.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-09-17 19:40:34,783 INFO L158 Benchmark]: Referee took 759.10ms. Allocated memory is still 92.3MB. Free memory was 52.9MB in the beginning and 48.5MB in the end (delta: 4.4MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB.
[2024-09-17 19:40:34,785 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee:
- AnnotationCheckResult: Annotation is not a valid proof of correctness.
[2024-09-17 19:40:34,787 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post3
[2024-09-17 19:40:34,787 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post3
Annotation is not a valid proof of correctness.
Annotation is not valid for all loop-free paths from loop head at line 36 to loop head at line 40. One counterexample starts in \old(counter)=0, A=0, b=1, B=0, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, B=0, b=1, counter=-2147483648, q=0, r=0.
Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 40.
Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1.
Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31.
Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main.
Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36.
Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40.
Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31.
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 assume_abort_if_not to exit of procedure assume_abort_if_not.
Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36.
Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41.
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 20.
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 35.9MB in the beginning and 35.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Parser took 0.07ms. Allocated memory is still 60.8MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 308.73ms. Allocated memory was 60.8MB in the beginning and 92.3MB in the end (delta: 31.5MB). Free memory was 36.9MB in the beginning and 71.2MB in the end (delta: -34.3MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 60.74ms. Allocated memory is still 92.3MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 424.01ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 53.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Referee took 759.10ms. Allocated memory is still 92.3MB. Free memory was 52.9MB in the beginning and 48.5MB in the end (delta: 4.4MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #t~post3
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #t~post3
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #t~post3
RESULT: Ultimate proved your program to be incorrect!
[2024-09-17 19:40:34,812 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...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE