./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/veris.c_NetBSD-libc_loop.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/loops/veris.c_NetBSD-libc_loop.i ../results/automizer-verification-files/SV-COMP24_unreach-call/veris.c_NetBSD-libc_loop.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:45:23,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:45:23,064 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:45:23,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:45:23,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:45:23,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:45:23,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:45:23,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:45:23,107 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:45:23,110 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:45:23,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:45:23,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:45:23,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:45:23,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:45:23,112 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:45:23,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:45:23,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:45:23,113 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:45:23,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:45:23,114 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:45:23,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:45:23,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:45:23,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:45:23,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:45:23,116 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:45:23,116 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:45:23,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:45:23,117 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:45:23,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:45:23,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:45:23,117 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:45:23,118 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:45:23,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:45:23,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:23,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:45:23,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:45:23,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:45:23,120 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:45:23,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:45:23,121 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:45:23,121 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:45:23,121 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:45:23,121 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:45:23,122 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:45:23,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:45:23,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:45:23,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:45:23,391 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:45:23,392 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:45:23,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2024-09-25 11:45:24,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:45:24,989 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:45:24,990 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2024-09-25 11:45:24,996 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9b82e9e50/8250e6a227584220aec3c4aff7fc33dd/FLAGa624abe7a [2024-09-25 11:45:25,007 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9b82e9e50/8250e6a227584220aec3c4aff7fc33dd [2024-09-25 11:45:25,009 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:45:25,011 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:45:25,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/veris.c_NetBSD-libc_loop.yml/witness-2.1.yml [2024-09-25 11:45:25,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:45:25,076 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:45:25,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:25,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:45:25,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:45:25,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:25" (1/2) ... [2024-09-25 11:45:25,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@496b4ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:25, skipping insertion in model container [2024-09-25 11:45:25,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:25" (1/2) ... [2024-09-25 11:45:25,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71aee236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:25, skipping insertion in model container [2024-09-25 11:45:25,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:25" (2/2) ... [2024-09-25 11:45:25,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@496b4ef9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:25, skipping insertion in model container [2024-09-25 11:45:25,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:25" (2/2) ... [2024-09-25 11:45:25,096 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:45:25,097 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 11:45:25,125 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:45:25,273 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i[825,838] [2024-09-25 11:45:25,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:25,300 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:45:25,336 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i[825,838] [2024-09-25 11:45:25,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:25,361 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:45:25,362 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:25 WrapperNode [2024-09-25 11:45:25,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:25,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:45:25,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:45:25,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:45:25,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:25" (1/1) ... [2024-09-25 11:45:25,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:25" (1/1) ... [2024-09-25 11:45:25,383 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:25" (1/1) ... [2024-09-25 11:45:25,398 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:45:25,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:25" (1/1) ... [2024-09-25 11:45:25,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:25" (1/1) ... [2024-09-25 11:45:25,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:25" (1/1) ... [2024-09-25 11:45:25,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:25" (1/1) ... [2024-09-25 11:45:25,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:25" (1/1) ... [2024-09-25 11:45:25,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:25" (1/1) ... [2024-09-25 11:45:25,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:45:25,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:45:25,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:45:25,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:45:25,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:25" (1/1) ... [2024-09-25 11:45:25,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:25,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:45:25,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 11:45:25,458 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 11:45:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:45:25,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:45:25,499 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:45:25,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:45:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure glob2 [2024-09-25 11:45:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:45:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:45:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:45:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 11:45:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 11:45:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:45:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:45:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:45:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure glob2 [2024-09-25 11:45:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:45:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:45:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-25 11:45:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:45:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:45:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:45:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:45:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:45:25,575 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:45:25,579 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:45:25,673 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:45:25,683 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:45:25,712 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:45:25,712 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:45:25,713 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:25 BoogieIcfgContainer [2024-09-25 11:45:25,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:45:25,714 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:45:25,714 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:45:25,715 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:45:25,715 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:45:25" (1/4) ... [2024-09-25 11:45:25,716 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32a0d768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:45:25, skipping insertion in model container [2024-09-25 11:45:25,716 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:25" (2/4) ... [2024-09-25 11:45:25,717 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32a0d768 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:45:25, skipping insertion in model container [2024-09-25 11:45:25,717 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:25" (3/4) ... [2024-09-25 11:45:25,720 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32a0d768 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:45:25, skipping insertion in model container [2024-09-25 11:45:25,720 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:25" (4/4) ... [2024-09-25 11:45:25,722 INFO L79 RefereeObserver]: Analyzing ICFG veris.c_NetBSD-libc_loop.i [2024-09-25 11:45:25,726 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:45:25,727 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC glob2Err0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:45:25,727 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:45:25,728 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:45:25,728 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-25 11:45:25,774 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:45:25,775 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:25,776 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:25,776 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:25,777 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:25,779 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:25,786 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:45:25,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:25,790 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:25,790 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:25,791 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:25,792 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:25,831 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:45:25,832 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:25,832 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:25,832 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:25,833 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:25,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:25,840 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:45:25,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:25,840 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:25,841 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:25,841 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:25,845 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:25,853 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:45:25,862 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:45:25,862 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:25,862 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:25,862 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:25,862 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:25,862 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:25,865 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:45:25,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:25,865 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:25,865 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:25,865 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:25,865 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:25,867 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:45:25,877 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-25 11:45:25,877 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32a0d768 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:45:25, skipping insertion in model container [2024-09-25 11:45:25,877 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:45:25,878 INFO L158 Benchmark]: Toolchain (without parser) took 802.81ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 101.7MB in the beginning and 98.6MB in the end (delta: 3.1MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2024-09-25 11:45:25,879 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:25,879 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 130.0MB. Free memory was 59.6MB in the beginning and 59.4MB in the end (delta: 118.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:25,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.64ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 101.5MB in the beginning and 122.7MB in the end (delta: -21.2MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-09-25 11:45:25,880 INFO L158 Benchmark]: Boogie Preprocessor took 56.81ms. Allocated memory is still 161.5MB. Free memory was 122.7MB in the beginning and 120.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:45:25,881 INFO L158 Benchmark]: RCFGBuilder took 291.96ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 108.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:45:25,881 INFO L158 Benchmark]: Referee took 163.65ms. Allocated memory is still 161.5MB. Free memory was 108.1MB in the beginning and 98.6MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 11:45:25,884 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 29 to check that procedure precondition always holds at line 31. One counterexample starts in p={2:0}, pathlim={2:0}, tmp={3:0} and ends in p={2:0}, pathlim={2:0}, tmp={3:0}. 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 16. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 130.0MB. Free memory was 59.6MB in the beginning and 59.4MB in the end (delta: 118.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.64ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 101.5MB in the beginning and 122.7MB in the end (delta: -21.2MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.81ms. Allocated memory is still 161.5MB. Free memory was 122.7MB in the beginning and 120.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 291.96ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 108.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 163.65ms. Allocated memory is still 161.5MB. Free memory was 108.1MB in the beginning and 98.6MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-25 11:45:25,907 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