./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sendmail-close-angle.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i ../results/automizer-verification-files/SV-COMP24_unreach-call/sendmail-close-angle.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:46:56,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:56,651 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:46:56,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:56,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:56,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:56,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:56,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:56,691 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:56,695 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:56,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:56,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:56,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:56,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:56,697 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:56,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:56,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:56,697 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:56,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:46:56,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:56,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:56,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:56,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:56,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:56,701 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:56,701 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:56,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:56,702 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:56,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:56,703 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:56,703 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:56,703 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:56,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:56,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:56,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:56,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:56,705 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:46:56,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:46:56,705 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:56,706 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:56,706 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:56,706 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:56,706 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:56,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:56,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:56,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:56,977 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:56,978 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:56,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2024-09-11 20:46:58,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:58,586 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:58,586 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2024-09-11 20:46:58,593 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ed1cbff86/f09361484e2d4be3ae62141d2084d973/FLAG2c70f57a8 [2024-09-11 20:46:58,976 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ed1cbff86/f09361484e2d4be3ae62141d2084d973 [2024-09-11 20:46:58,978 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:58,979 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:58,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sendmail-close-angle.yml/witness-2.1.yml [2024-09-11 20:46:59,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:59,026 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:59,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:59,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:59,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:59,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:58" (1/2) ... [2024-09-11 20:46:59,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@798092bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:59, skipping insertion in model container [2024-09-11 20:46:59,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:58" (1/2) ... [2024-09-11 20:46:59,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9b901b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:59, skipping insertion in model container [2024-09-11 20:46:59,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:59" (2/2) ... [2024-09-11 20:46:59,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@798092bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:59, skipping insertion in model container [2024-09-11 20:46:59,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:59" (2/2) ... [2024-09-11 20:46:59,046 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:59,048 INFO L1541 ArrayList]: Loop invariant at [L37-L48] ((((((buf == 0) && (bufferlen == (2 + buflim))) && (0 <= buflim)) && ((3 + buflim) <= inlen)) && (in == 0)) || (((((((bufferlen + in) + 1) <= (buf + inlen)) && (bufferlen == (2 + buflim))) && (1 <= in)) && (buf <= buflim)) && (0 <= buf))) [2024-09-11 20:46:59,048 INFO L1541 ArrayList]: Function contract at [L17]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:46:59,067 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:59,252 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i[893,906] [2024-09-11 20:46:59,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:59,276 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:46:59,303 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i[893,906] Start Parsing Local [2024-09-11 20:46:59,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:59,326 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:59,327 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:59 WrapperNode [2024-09-11 20:46:59,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:59,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:59,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:59,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:59,341 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 11.09 08:46:59" (1/1) ... [2024-09-11 20:46:59,342 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 11.09 08:46:59" (1/1) ... [2024-09-11 20:46:59,348 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 11.09 08:46:59" (1/1) ... [2024-09-11 20:46:59,355 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:46:59,356 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 11.09 08:46:59" (1/1) ... [2024-09-11 20:46:59,356 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 11.09 08:46:59" (1/1) ... [2024-09-11 20:46:59,360 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 11.09 08:46:59" (1/1) ... [2024-09-11 20:46:59,363 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 11.09 08:46:59" (1/1) ... [2024-09-11 20:46:59,364 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 11.09 08:46:59" (1/1) ... [2024-09-11 20:46:59,365 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 11.09 08:46:59" (1/1) ... [2024-09-11 20:46:59,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:59,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:59,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:59,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:59,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:59" (1/1) ... [2024-09-11 20:46:59,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:59,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:59,391 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) [2024-09-11 20:46:59,394 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 [2024-09-11 20:46:59,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:59,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:59,430 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:59,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:46:59,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:46:59,432 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:46:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:46:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:46:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:46:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:46:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:46:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:46:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:59,500 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:59,506 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:59,650 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:46:59,691 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:59,692 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:59,723 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:59,723 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:46:59,724 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:59 BoogieIcfgContainer [2024-09-11 20:46:59,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:59,725 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:59,725 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:59,728 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:59,729 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:58" (1/4) ... [2024-09-11 20:46:59,729 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62c6f646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:59, skipping insertion in model container [2024-09-11 20:46:59,730 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:59" (2/4) ... [2024-09-11 20:46:59,730 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62c6f646 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:59, skipping insertion in model container [2024-09-11 20:46:59,731 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 11.09 08:46:59" (3/4) ... [2024-09-11 20:46:59,731 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62c6f646 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:59, skipping insertion in model container [2024-09-11 20:46:59,732 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:59" (4/4) ... [2024-09-11 20:46:59,733 INFO L79 RefereeObserver]: Analyzing ICFG sendmail-close-angle.i [2024-09-11 20:46:59,739 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:46:59,740 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:46:59,741 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:46:59,741 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:46:59,741 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:46:59,741 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:46:59,741 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:46:59,741 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:46:59,741 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:46:59,742 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:46:59,742 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:46:59,742 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:46:59,742 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:46:59,742 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 8 loop-free subgraphs from loop head to error location [2024-09-11 20:46:59,802 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:46:59,805 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:59,805 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:59,805 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:59,806 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:59,808 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,878 INFO L101 BaseMinimizeStates]: Removed 28 edges and 8 locations by large block encoding [2024-09-11 20:46:59,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,880 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:59,880 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:59,880 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:59,891 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:59,907 INFO L514 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:46:59,927 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:46:59,928 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:59,928 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:59,929 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:59,929 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:59,929 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,949 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:46:59,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,949 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:59,950 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:59,950 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:59,950 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:59,956 INFO L514 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:46:59,969 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:46:59,969 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:59,970 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:59,970 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:59,970 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:59,970 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,994 INFO L101 BaseMinimizeStates]: Removed 24 edges and 7 locations by large block encoding [2024-09-11 20:46:59,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,995 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:59,995 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:59,995 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:59,999 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:00,002 INFO L514 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:00,011 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:47:00,012 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:00,012 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:00,012 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:00,012 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:00,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,021 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:47:00,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,022 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:00,022 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:00,023 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:00,025 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:00,028 INFO L514 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:00,041 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:47:00,042 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:00,042 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:00,042 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:00,042 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:00,042 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,050 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:47:00,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,050 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:00,050 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:00,051 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:00,051 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:00,054 INFO L514 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:00,065 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:47:00,065 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:00,065 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:00,066 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:00,066 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:00,066 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,085 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:47:00,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,086 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:00,087 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:00,087 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:00,088 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:00,092 INFO L514 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:00,101 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:47:00,101 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:00,102 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:00,102 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:00,102 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:00,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,117 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-11 20:47:00,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,117 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:00,118 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:00,118 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:00,121 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:00,125 INFO L514 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:00,135 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:47:00,138 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:00,139 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:00,139 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:00,139 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:00,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,148 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:47:00,148 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,148 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:00,149 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:00,149 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:00,149 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:00,155 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:00,165 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:47:00,166 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:00,166 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:00,166 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:00,166 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:00,167 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,187 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:47:00,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,190 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:00,190 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:00,190 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:00,190 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:00,193 INFO L514 InvariantChecker]: The annotation(s) from loop head L47 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:00,202 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:00,203 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:00,203 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:00,203 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:00,203 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:00,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,205 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:47:00,206 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,206 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:00,206 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:00,206 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:00,207 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:00,209 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:47:00,215 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:00,216 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:00,216 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:00,216 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:00,217 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:00,217 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,218 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:00,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,218 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:00,219 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:00,219 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:00,219 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:00,221 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:47:00,227 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:47:00,227 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:00,228 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:00,228 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:00,228 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:00,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,240 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:47:00,241 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:00,241 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:00,241 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:00,241 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:00,241 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:00,244 INFO L514 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:00,248 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:47:00,250 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62c6f646 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:00, skipping insertion in model container [2024-09-11 20:47:00,250 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:00,252 INFO L158 Benchmark]: Toolchain (without parser) took 1225.51ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 69.8MB in the beginning and 63.4MB in the end (delta: 6.4MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2024-09-11 20:47:00,253 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 94.5MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:00,254 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:00,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.28ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 69.7MB in the beginning and 153.6MB in the end (delta: -83.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-09-11 20:47:00,255 INFO L158 Benchmark]: Boogie Preprocessor took 38.53ms. Allocated memory is still 184.5MB. Free memory was 153.6MB in the beginning and 151.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:00,256 INFO L158 Benchmark]: RCFGBuilder took 356.73ms. Allocated memory is still 184.5MB. Free memory was 151.4MB in the beginning and 134.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:47:00,257 INFO L158 Benchmark]: Referee took 525.34ms. Allocated memory is still 184.5MB. Free memory was 134.7MB in the beginning and 63.4MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-09-11 20:47:00,261 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 46. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 46. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 19. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 94.5MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.28ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 69.7MB in the beginning and 153.6MB in the end (delta: -83.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.53ms. Allocated memory is still 184.5MB. Free memory was 153.6MB in the beginning and 151.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.73ms. Allocated memory is still 184.5MB. Free memory was 151.4MB in the beginning and 134.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 525.34ms. Allocated memory is still 184.5MB. Free memory was 134.7MB in the beginning and 63.4MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:00,298 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 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/loop-invgen/sendmail-close-angle.i ../results/automizer-verification-files/SV-COMP24_unreach-call/sendmail-close-angle.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-dev-a9b967e-m [2024-09-11 20:47:02,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:02,532 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:47:02,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:02,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:02,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:02,567 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:02,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:02,568 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:02,568 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:02,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:02,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:02,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:02,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:02,572 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:02,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:02,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:02,572 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:02,573 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:02,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:02,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:02,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:02,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:02,577 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:47:02,577 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:47:02,578 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:02,578 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:47:02,578 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:02,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:02,578 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:02,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:02,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:02,579 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:02,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:02,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:02,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:02,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:02,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:02,581 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:47:02,581 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:47:02,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:02,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:02,584 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:02,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:02,584 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:47:02,584 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:02,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:02,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:02,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:02,883 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:02,883 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:02,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2024-09-11 20:47:04,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:04,579 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:04,579 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2024-09-11 20:47:04,592 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bb102cb9b/f05979f4cb3946fdb95ba07061d068db/FLAGf00f89dee [2024-09-11 20:47:04,612 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bb102cb9b/f05979f4cb3946fdb95ba07061d068db [2024-09-11 20:47:04,614 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:04,615 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:04,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sendmail-close-angle.yml/witness-2.1.yml [2024-09-11 20:47:04,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:04,669 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:04,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:04,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:04,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:04,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:04" (1/2) ... [2024-09-11 20:47:04,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9bf041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:04, skipping insertion in model container [2024-09-11 20:47:04,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:04" (1/2) ... [2024-09-11 20:47:04,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7eedca82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:04, skipping insertion in model container [2024-09-11 20:47:04,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:04" (2/2) ... [2024-09-11 20:47:04,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9bf041 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:04, skipping insertion in model container [2024-09-11 20:47:04,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:04" (2/2) ... [2024-09-11 20:47:04,693 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:04,694 INFO L1541 ArrayList]: Loop invariant at [L37-L48] ((((((buf == 0) && (bufferlen == (2 + buflim))) && (0 <= buflim)) && ((3 + buflim) <= inlen)) && (in == 0)) || (((((((bufferlen + in) + 1) <= (buf + inlen)) && (bufferlen == (2 + buflim))) && (1 <= in)) && (buf <= buflim)) && (0 <= buf))) [2024-09-11 20:47:04,694 INFO L1541 ArrayList]: Function contract at [L17]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:47:04,713 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:04,861 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i[893,906] [2024-09-11 20:47:04,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:04,893 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:47:04,928 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i[893,906] Start Parsing Local [2024-09-11 20:47:04,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:04,960 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:04,960 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:04 WrapperNode [2024-09-11 20:47:04,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:04,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:04,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:04,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:04,976 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 11.09 08:47:04" (1/1) ... [2024-09-11 20:47:04,977 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 11.09 08:47:04" (1/1) ... [2024-09-11 20:47:04,985 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 11.09 08:47:04" (1/1) ... [2024-09-11 20:47:04,999 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:47:04,999 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 11.09 08:47:04" (1/1) ... [2024-09-11 20:47:04,999 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 11.09 08:47:04" (1/1) ... [2024-09-11 20:47:05,008 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 11.09 08:47:04" (1/1) ... [2024-09-11 20:47:05,015 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 11.09 08:47:04" (1/1) ... [2024-09-11 20:47:05,029 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 11.09 08:47:04" (1/1) ... [2024-09-11 20:47:05,030 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 11.09 08:47:04" (1/1) ... [2024-09-11 20:47:05,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:05,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:05,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:05,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:05,042 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 11.09 08:47:04" (1/1) ... [2024-09-11 20:47:05,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:05,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:05,096 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) [2024-09-11 20:47:05,100 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 [2024-09-11 20:47:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:47:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:47:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:05,143 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:47:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:47:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:47:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:47:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:47:05,145 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:05,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:05,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:47:05,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:05,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:47:05,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:47:05,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:05,239 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:05,242 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:05,474 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:47:05,527 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:05,527 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:05,566 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:05,566 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:47:05,566 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:05 BoogieIcfgContainer [2024-09-11 20:47:05,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:05,567 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:05,571 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:05,572 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:05,572 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:04" (1/4) ... [2024-09-11 20:47:05,573 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@750d3eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:05, skipping insertion in model container [2024-09-11 20:47:05,573 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:04" (2/4) ... [2024-09-11 20:47:05,573 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@750d3eef and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:05, skipping insertion in model container [2024-09-11 20:47:05,573 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 11.09 08:47:04" (3/4) ... [2024-09-11 20:47:05,573 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@750d3eef and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:05, skipping insertion in model container [2024-09-11 20:47:05,573 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:05" (4/4) ... [2024-09-11 20:47:05,575 INFO L79 RefereeObserver]: Analyzing ICFG sendmail-close-angle.i [2024-09-11 20:47:05,579 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:47:05,579 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:47:05,580 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:47:05,580 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:47:05,580 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:47:05,580 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:05,580 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:47:05,581 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:47:05,581 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:47:05,581 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:47:05,581 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:05,581 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:47:05,581 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:47:05,582 INFO L130 InvariantChecker]: Will check 8 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:47:05,639 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:47:05,640 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:05,640 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:05,641 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:05,641 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:05,643 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:05,716 INFO L101 BaseMinimizeStates]: Removed 28 edges and 8 locations by large block encoding [2024-09-11 20:47:05,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:05,718 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:05,718 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:05,719 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:05,727 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:05,769 INFO L514 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:05,789 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:47:05,790 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:05,790 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:05,790 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:05,790 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:05,791 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:05,801 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:47:05,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:05,802 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:05,802 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:05,802 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:05,802 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:05,842 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:47:05,842 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:05,842 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:05,843 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:05,843 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:05,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:05,868 INFO L101 BaseMinimizeStates]: Removed 24 edges and 7 locations by large block encoding [2024-09-11 20:47:05,869 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:05,869 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:05,869 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:05,869 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:05,872 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:05,876 INFO L514 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:05,885 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:47:05,886 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:05,886 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:05,886 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:05,886 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:05,886 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:05,896 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:47:05,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:05,896 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:05,897 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:05,897 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:05,899 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:05,904 INFO L514 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:05,921 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:47:05,922 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:05,922 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:05,922 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:05,922 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:05,922 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:05,931 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:47:05,931 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:05,931 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:05,931 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:05,932 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:05,932 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:05,935 INFO L514 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:05,943 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:47:05,943 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:05,944 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:05,944 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:05,944 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:05,944 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:05,957 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:47:05,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:05,957 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:05,958 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:05,958 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:05,958 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:05,972 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:47:05,972 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:05,973 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:05,973 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:05,973 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:05,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:05,982 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-11 20:47:05,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:05,983 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:05,983 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:05,983 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:05,985 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:06,007 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:47:06,007 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:06,008 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:06,008 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:06,008 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:06,009 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:06,016 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:47:06,016 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:06,017 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:06,017 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:06,018 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:06,018 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:06,026 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:06,035 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:47:06,037 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:06,037 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:06,037 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:06,037 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:06,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:06,055 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:47:06,055 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:06,055 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:06,055 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:06,055 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:06,056 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:06,078 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:06,078 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:06,078 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:06,078 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:06,079 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:06,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:06,080 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:47:06,080 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:06,080 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:06,080 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:06,080 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:06,080 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:06,081 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:47:06,086 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:06,086 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:06,086 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:06,086 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:06,086 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:06,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:06,087 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:06,087 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:06,087 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:06,087 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:06,087 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:06,087 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:06,088 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:47:06,093 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:47:06,093 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:06,093 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:06,093 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:06,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:06,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:06,101 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:47:06,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:06,102 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:06,102 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:06,102 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:06,102 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:06,116 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:47:06,116 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@750d3eef and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:06, skipping insertion in model container [2024-09-11 20:47:06,116 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:06,120 INFO L158 Benchmark]: Toolchain (without parser) took 1450.00ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 40.4MB in the beginning and 32.3MB in the end (delta: 8.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-09-11 20:47:06,120 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:06,121 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:06,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.64ms. Allocated memory is still 65.0MB. Free memory was 40.2MB in the beginning and 25.7MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:47:06,122 INFO L158 Benchmark]: Boogie Preprocessor took 74.42ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 25.7MB in the beginning and 59.8MB in the end (delta: -34.1MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-09-11 20:47:06,122 INFO L158 Benchmark]: RCFGBuilder took 529.78ms. Allocated memory is still 79.7MB. Free memory was 59.8MB in the beginning and 42.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:47:06,123 INFO L158 Benchmark]: Referee took 549.55ms. Allocated memory is still 79.7MB. Free memory was 42.0MB in the beginning and 32.3MB in the end (delta: 9.6MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-09-11 20:47:06,125 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. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 41. One counterexample starts in buf=115107455, bufferlen=-2147483648, buflim=2147483646, in=266201024, inlen=-1073741823 and ends in buflim=2147483646, in=266201024, inlen=-1073741823. Annotation is not valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 49. One counterexample starts in buf=0, bufferlen=-2147483647, buflim=2147483647, in=2147483631, inlen=0 and ends in buflim=2147483647, in=2147483631, inlen=0. Annotation is not valid for all loop-free paths from loop head at line 37 to loop head at line 37. One counterexample starts in buf=1040971786, bufferlen=1124204554, buflim=1124204552, in=301989888, inlen=1106511861 and ends in . Annotation is not valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 46. One counterexample starts in buf=2136997885, bufferlen=2141192196, buflim=2141192194, in=2147483647, inlen=2097156 and ends in buf=2136997886, bufferlen=2141192196, buflim=2141192194, inlen=2097156. Annotation is not valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 46. One counterexample starts in buf=1, bufferlen=1073741826, buflim=1073741824, in=1073741823, inlen=-1073741823 and ends in buf=2, bufferlen=1073741826, buflim=1073741824. 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 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 19. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.64ms. Allocated memory is still 65.0MB. Free memory was 40.2MB in the beginning and 25.7MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.42ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 25.7MB in the beginning and 59.8MB in the end (delta: -34.1MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * RCFGBuilder took 529.78ms. Allocated memory is still 79.7MB. Free memory was 59.8MB in the beginning and 42.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 549.55ms. Allocated memory is still 79.7MB. Free memory was 42.0MB in the beginning and 32.3MB in the end (delta: 9.6MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:06,161 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE