./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 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/SpamAssassin-loop.i.v+cfa-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.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-5189fb6-m [2024-09-13 05:02:35,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:35,644 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:02:35,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:35,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:35,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:35,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:35,686 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:35,687 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:35,688 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:35,688 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:35,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:35,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:35,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:35,691 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:35,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:35,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:35,692 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:35,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:02:35,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:35,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:35,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:35,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:35,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:35,694 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:35,695 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:35,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:35,695 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:35,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:35,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:35,708 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:35,708 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:35,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:35,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:35,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:35,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:35,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:35,709 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:02:35,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:02:35,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:35,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:35,710 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:35,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:35,711 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:35,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:35,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:35,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:35,986 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:35,986 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:35,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-13 05:02:36,048 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:36,049 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:36,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-13 05:02:37,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:37,637 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:37,638 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-13 05:02:37,649 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/daa00ad86/03a3ff28d0f545338c82bbc6683fa4d0/FLAGa2b8189b6 [2024-09-13 05:02:38,016 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/daa00ad86/03a3ff28d0f545338c82bbc6683fa4d0 [2024-09-13 05:02:38,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:38,017 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:38,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:38,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:38,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:38,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:36" (1/2) ... [2024-09-13 05:02:38,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8d4c1a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:38, skipping insertion in model container [2024-09-13 05:02:38,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:36" (1/2) ... [2024-09-13 05:02:38,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51811c51 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:38, skipping insertion in model container [2024-09-13 05:02:38,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:38" (2/2) ... [2024-09-13 05:02:38,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8d4c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:38, skipping insertion in model container [2024-09-13 05:02:38,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:38" (2/2) ... [2024-09-13 05:02:38,043 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:38,045 INFO L1541 ArrayList]: Location invariant before [L30-L311] (((\old(__return_334) == __return_334) && (((long long) main__limit + 4) <= main__bufsize)) && ((main__i == 0) || (0 < main__i))) [2024-09-13 05:02:38,048 INFO L1541 ArrayList]: Location invariant before [L38-L294] ((((((main__j == 0) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len)))) && (5 <= main__bufsize)) || (((((1 <= main__j) && ((5 + main__j) <= main__bufsize)) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len))))) [2024-09-13 05:02:38,048 INFO L1541 ArrayList]: Location invariant before [L34-L305] (((((1 <= main__i) && (1 <= main__j)) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) || ((((main__j == 0) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len))))) [2024-09-13 05:02:38,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:38,294 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/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-13 05:02:38,304 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/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-13 05:02:38,310 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/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-13 05:02:38,312 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/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-13 05:02:38,315 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/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-13 05:02:38,316 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/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-13 05:02:38,320 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/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-13 05:02:38,321 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/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-13 05:02:38,326 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/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-13 05:02:38,331 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/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-13 05:02:38,333 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/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-13 05:02:38,335 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/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-13 05:02:38,340 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/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-13 05:02:38,342 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/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-13 05:02:38,344 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/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-13 05:02:38,348 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/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2024-09-13 05:02:38,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:38,363 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 05:02:38,380 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/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-13 05:02:38,382 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/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-13 05:02:38,384 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/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-13 05:02:38,385 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/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-13 05:02:38,387 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/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-13 05:02:38,389 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/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-13 05:02:38,391 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/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-13 05:02:38,393 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/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-13 05:02:38,394 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/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-13 05:02:38,396 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/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-13 05:02:38,398 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/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-13 05:02:38,400 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/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-13 05:02:38,401 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/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-13 05:02:38,402 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/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-13 05:02:38,405 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/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-13 05:02:38,406 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/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:02:38,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:38,471 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:38,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:38 WrapperNode [2024-09-13 05:02:38,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:38,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:38,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:38,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:38,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:38" (1/1) ... [2024-09-13 05:02:38,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:38" (1/1) ... [2024-09-13 05:02:38,504 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:38" (1/1) ... [2024-09-13 05:02:38,538 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-13 05:02:38,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:38" (1/1) ... [2024-09-13 05:02:38,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:38" (1/1) ... [2024-09-13 05:02:38,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:38" (1/1) ... [2024-09-13 05:02:38,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:38" (1/1) ... [2024-09-13 05:02:38,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:38" (1/1) ... [2024-09-13 05:02:38,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:38" (1/1) ... [2024-09-13 05:02:38,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:38,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:38,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:38,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:38,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:38" (1/1) ... [2024-09-13 05:02:38,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:38,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:38,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:02:38,618 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:02:38,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:38,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:38,670 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:38,670 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:02:38,670 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:02:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:02:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 05:02:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 05:02:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 05:02:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:38,749 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:38,751 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:02:38,988 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:02:39,042 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:02:39,042 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:02:39,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:39 BoogieIcfgContainer [2024-09-13 05:02:39,043 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:02:39,044 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:02:39,044 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:02:39,045 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:02:39,045 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:36" (1/4) ... [2024-09-13 05:02:39,046 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19af9d97 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:39, skipping insertion in model container [2024-09-13 05:02:39,046 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:38" (2/4) ... [2024-09-13 05:02:39,047 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19af9d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:39, skipping insertion in model container [2024-09-13 05:02:39,047 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:38" (3/4) ... [2024-09-13 05:02:39,047 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19af9d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:39, skipping insertion in model container [2024-09-13 05:02:39,047 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:39" (4/4) ... [2024-09-13 05:02:39,050 INFO L79 RefereeObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-13 05:02:39,054 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:02:39,055 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-13 05:02:39,055 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:39,056 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:39,056 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:39,056 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:39,056 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:39,057 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:39,058 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:39,058 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:39,058 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:39,059 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-13 05:02:39,059 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:39,059 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:39,059 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:39,059 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:39,059 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-13 05:02:39,060 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:39,060 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:39,060 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:39,060 INFO L130 InvariantChecker]: Will check 19 loop-free subgraphs from procedure entry to error location [2024-09-13 05:02:39,125 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-13 05:02:39,126 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:39,127 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:39,128 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:39,129 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:39,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:39,313 INFO L101 BaseMinimizeStates]: Removed 65 edges and 25 locations by large block encoding [2024-09-13 05:02:39,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:39,315 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:39,315 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:39,315 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:39,361 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:39,387 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:39,388 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:39,389 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:39,389 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:39,389 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:39,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:39,479 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:39,479 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:39,479 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:39,480 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:39,480 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:39,498 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:39,514 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:39,516 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:39,516 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:39,516 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:39,517 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:39,517 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:39,628 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:39,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:39,629 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:39,629 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:39,630 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:39,648 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:39,667 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:39,669 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:39,670 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:39,670 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:39,670 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:39,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:39,756 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:39,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:39,757 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:39,757 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:39,757 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:39,769 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:39,782 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:39,782 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:39,782 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:39,783 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:39,783 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:39,783 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:39,851 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:39,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:39,852 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:39,852 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:39,852 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:39,863 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:39,876 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:39,877 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:39,877 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:39,877 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:39,877 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:39,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:39,964 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:39,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:39,965 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:39,965 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:39,966 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:39,979 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:39,990 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:39,990 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:39,990 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:39,991 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:39,991 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:39,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,069 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:40,069 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,073 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:40,073 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:40,074 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:40,088 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:40,100 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:40,102 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:40,103 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:40,103 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:40,103 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:40,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,166 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-13 05:02:40,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,166 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:40,167 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:40,167 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:40,179 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:40,189 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:40,190 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:40,190 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:40,190 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:40,190 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:40,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,269 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-13 05:02:40,270 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,270 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:40,270 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:40,270 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:40,286 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:40,295 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:40,296 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:40,296 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:40,296 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:40,296 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:40,296 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,362 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-13 05:02:40,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,363 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:40,363 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:40,363 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:40,377 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:40,386 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-13 05:02:40,386 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:40,386 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:40,386 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:40,386 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:40,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,437 INFO L101 BaseMinimizeStates]: Removed 64 edges and 25 locations by large block encoding [2024-09-13 05:02:40,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,437 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:40,437 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:40,437 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:40,448 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:40,458 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:40,458 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:40,458 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:40,458 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:40,458 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:40,458 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,536 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:40,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,536 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:40,536 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:40,537 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:40,547 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:40,554 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:40,554 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:40,554 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:40,555 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:40,555 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:40,555 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,604 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:40,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,605 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:40,606 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:40,606 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:40,614 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:40,621 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:40,621 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:40,621 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:40,622 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:40,622 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:40,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,680 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-13 05:02:40,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,681 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:40,681 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:40,681 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:40,693 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:40,699 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:40,700 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:40,700 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:40,700 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:40,700 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:40,701 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,774 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:40,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,774 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:40,775 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:40,775 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:40,787 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:40,798 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-13 05:02:40,799 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:40,799 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:40,799 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:40,799 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:40,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,863 INFO L101 BaseMinimizeStates]: Removed 67 edges and 25 locations by large block encoding [2024-09-13 05:02:40,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:40,864 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:40,866 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:40,867 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:40,877 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-13 05:02:40,878 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 05:02:40,887 INFO L158 Benchmark]: Toolchain (without parser) took 2867.32ms. Allocated memory was 130.0MB in the beginning and 239.1MB in the end (delta: 109.1MB). Free memory was 72.8MB in the beginning and 149.6MB in the end (delta: -76.8MB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:40,887 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:40,887 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 130.0MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:40,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.47ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 72.8MB in the beginning and 125.3MB in the end (delta: -52.4MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-09-13 05:02:40,888 INFO L158 Benchmark]: Boogie Preprocessor took 97.29ms. Allocated memory is still 165.7MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:40,889 INFO L158 Benchmark]: RCFGBuilder took 471.69ms. Allocated memory is still 165.7MB. Free memory was 123.2MB in the beginning and 103.5MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-13 05:02:40,889 INFO L158 Benchmark]: Referee took 1839.47ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 103.5MB in the beginning and 149.6MB in the end (delta: -46.1MB). Peak memory consumption was 97.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:40,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 130.0MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.47ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 72.8MB in the beginning and 125.3MB in the end (delta: -52.4MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.29ms. Allocated memory is still 165.7MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.69ms. Allocated memory is still 165.7MB. Free memory was 123.2MB in the beginning and 103.5MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 1839.47ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 103.5MB in the beginning and 149.6MB in the end (delta: -46.1MB). Peak memory consumption was 97.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:02:40,919 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/SpamAssassin-loop.i.v+cfa-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.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-5189fb6-m [2024-09-13 05:02:43,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:43,209 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:02:43,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:43,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:43,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:43,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:43,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:43,253 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:43,254 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:43,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:43,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:43,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:43,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:43,260 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:43,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:43,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:43,261 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:43,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:43,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:43,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:43,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:43,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:43,262 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:02:43,263 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:02:43,263 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:43,263 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:02:43,263 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:43,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:43,264 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:43,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:43,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:43,264 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:43,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:43,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:43,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:43,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:43,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:43,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:43,270 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:02:43,270 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:02:43,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:43,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:43,271 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:43,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:43,271 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:02:43,272 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:43,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:43,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:43,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:43,610 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:43,610 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:43,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-13 05:02:45,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:45,429 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:45,430 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-13 05:02:45,448 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/466af8ed9/b0e102bf790f47abb936484a539f32d6/FLAGeffa9617d [2024-09-13 05:02:45,467 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/466af8ed9/b0e102bf790f47abb936484a539f32d6 [2024-09-13 05:02:45,469 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:45,470 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:45,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-13 05:02:45,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:45,529 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:45,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:45,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:45,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:45,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:45" (1/2) ... [2024-09-13 05:02:45,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@929684e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:45, skipping insertion in model container [2024-09-13 05:02:45,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:45" (1/2) ... [2024-09-13 05:02:45,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3be3ea4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:45, skipping insertion in model container [2024-09-13 05:02:45,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:45" (2/2) ... [2024-09-13 05:02:45,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@929684e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:45, skipping insertion in model container [2024-09-13 05:02:45,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:45" (2/2) ... [2024-09-13 05:02:45,554 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:45,555 INFO L1541 ArrayList]: Location invariant before [L30-L311] (((\old(__return_334) == __return_334) && (((long long) main__limit + 4) <= main__bufsize)) && ((main__i == 0) || (0 < main__i))) [2024-09-13 05:02:45,555 INFO L1541 ArrayList]: Location invariant before [L34-L305] (((((1 <= main__i) && (1 <= main__j)) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) || ((((main__j == 0) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len))))) [2024-09-13 05:02:45,555 INFO L1541 ArrayList]: Location invariant before [L38-L294] ((((((main__j == 0) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len)))) && (5 <= main__bufsize)) || (((((1 <= main__j) && ((5 + main__j) <= main__bufsize)) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len))))) [2024-09-13 05:02:45,587 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:45,770 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/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-13 05:02:45,780 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/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-13 05:02:45,786 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/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-13 05:02:45,788 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/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-13 05:02:45,790 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/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-13 05:02:45,793 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/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-13 05:02:45,807 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/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-13 05:02:45,813 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/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-13 05:02:45,816 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/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-13 05:02:45,819 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/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-13 05:02:45,822 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/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-13 05:02:45,825 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/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-13 05:02:45,828 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/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-13 05:02:45,830 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/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-13 05:02:45,834 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/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-13 05:02:45,839 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/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2024-09-13 05:02:45,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:45,862 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 05:02:45,882 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/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-13 05:02:45,884 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/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-13 05:02:45,885 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/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-13 05:02:45,888 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/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-13 05:02:45,891 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/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-13 05:02:45,894 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/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-13 05:02:45,898 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/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-13 05:02:45,903 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/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-13 05:02:45,905 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/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-13 05:02:45,906 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/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-13 05:02:45,909 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/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-13 05:02:45,915 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/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-13 05:02:45,917 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/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-13 05:02:45,920 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/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-13 05:02:45,923 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/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-13 05:02:45,926 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/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:02:45,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:45,999 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:46,000 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:46 WrapperNode [2024-09-13 05:02:46,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:46,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:46,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:46,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:46,016 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 13.09 05:02:46" (1/1) ... [2024-09-13 05:02:46,016 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 13.09 05:02:46" (1/1) ... [2024-09-13 05:02:46,030 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 13.09 05:02:46" (1/1) ... [2024-09-13 05:02:46,060 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-13 05:02:46,064 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 13.09 05:02:46" (1/1) ... [2024-09-13 05:02:46,065 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 13.09 05:02:46" (1/1) ... [2024-09-13 05:02:46,084 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 13.09 05:02:46" (1/1) ... [2024-09-13 05:02:46,088 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 13.09 05:02:46" (1/1) ... [2024-09-13 05:02:46,090 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 13.09 05:02:46" (1/1) ... [2024-09-13 05:02:46,094 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 13.09 05:02:46" (1/1) ... [2024-09-13 05:02:46,100 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:46,101 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:46,101 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:46,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:46,102 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 13.09 05:02:46" (1/1) ... [2024-09-13 05:02:46,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:46,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:46,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:02:46,135 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:02:46,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:46,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:46,186 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:46,186 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:02:46,186 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:02:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:02:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-13 05:02:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-13 05:02:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-13 05:02:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:46,291 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:46,294 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:02:46,672 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:02:46,720 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:02:46,721 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:02:46,721 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:46 BoogieIcfgContainer [2024-09-13 05:02:46,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:02:46,722 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:02:46,722 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:02:46,725 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:02:46,725 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:45" (1/4) ... [2024-09-13 05:02:46,726 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3e8fd5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:46, skipping insertion in model container [2024-09-13 05:02:46,726 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:45" (2/4) ... [2024-09-13 05:02:46,726 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3e8fd5cf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:46, skipping insertion in model container [2024-09-13 05:02:46,726 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 13.09 05:02:46" (3/4) ... [2024-09-13 05:02:46,727 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3e8fd5cf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:46, skipping insertion in model container [2024-09-13 05:02:46,727 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:46" (4/4) ... [2024-09-13 05:02:46,728 INFO L79 RefereeObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-13 05:02:46,731 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:02:46,732 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-13 05:02:46,733 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:46,733 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:46,733 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:46,734 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:46,734 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:46,735 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:46,735 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:46,735 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:46,735 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:46,735 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-13 05:02:46,736 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:46,736 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:46,736 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:46,736 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:46,736 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-13 05:02:46,736 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:46,736 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:46,737 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:46,737 INFO L130 InvariantChecker]: Will check 19 loop-free subgraphs from procedure entry to error location [2024-09-13 05:02:46,813 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-13 05:02:46,816 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:46,817 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:46,818 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:46,819 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:46,820 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:46,973 INFO L101 BaseMinimizeStates]: Removed 65 edges and 25 locations by large block encoding [2024-09-13 05:02:46,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:46,975 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:46,975 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:46,976 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:47,003 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:47,031 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:47,033 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:47,033 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:47,034 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:47,034 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:47,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:47,162 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:47,162 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:47,162 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:47,163 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:47,163 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:47,189 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:47,221 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:47,221 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:47,221 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:47,222 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:47,222 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:47,223 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:47,331 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:47,331 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:47,331 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:47,331 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:47,331 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:47,361 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:47,383 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:47,384 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:47,384 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:47,384 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:47,384 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:47,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:47,469 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:47,469 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:47,469 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:47,469 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:47,469 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:47,501 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:47,515 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:47,515 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:47,516 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:47,516 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:47,516 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:47,517 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:47,623 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:47,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:47,623 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:47,624 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:47,626 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:47,644 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:47,672 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:47,672 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:47,674 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:47,674 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:47,674 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:47,675 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:47,777 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:47,778 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:47,778 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:47,778 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:47,778 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:47,794 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:47,809 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:47,810 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:47,810 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:47,810 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:47,810 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:47,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:47,926 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:47,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:47,927 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:47,927 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:47,927 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:47,947 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:47,959 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:47,960 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:47,961 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:47,961 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:47,961 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:47,961 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,082 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-13 05:02:48,082 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,082 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:48,083 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:48,083 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:48,108 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:48,124 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:48,124 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:48,125 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:48,125 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:48,126 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:48,126 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,206 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-13 05:02:48,206 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,207 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:48,207 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:48,207 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:48,245 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:48,257 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:48,257 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:48,257 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:48,258 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:48,258 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:48,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,332 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-13 05:02:48,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,334 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:48,334 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:48,334 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:48,352 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:48,362 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-13 05:02:48,362 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:48,363 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:48,363 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:48,363 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:48,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,438 INFO L101 BaseMinimizeStates]: Removed 64 edges and 25 locations by large block encoding [2024-09-13 05:02:48,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,438 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:48,438 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:48,438 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:48,451 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:48,461 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:48,461 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:48,461 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:48,462 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:48,462 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:48,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,521 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:48,521 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,521 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:48,522 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:48,522 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:48,534 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:48,543 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:48,544 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:48,544 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:48,544 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:48,544 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:48,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,621 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:48,621 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,621 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:48,622 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:48,622 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:48,633 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:48,642 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:48,643 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:48,643 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:48,643 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:48,643 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:48,643 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,726 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-13 05:02:48,727 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,727 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:48,727 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:48,727 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:48,748 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:48,761 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-13 05:02:48,761 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:48,761 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:48,761 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:48,762 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:48,762 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,852 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-13 05:02:48,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,852 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:48,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:48,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:48,870 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:02:48,883 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-13 05:02:48,884 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:48,884 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:48,884 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:48,884 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:48,884 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,967 INFO L101 BaseMinimizeStates]: Removed 67 edges and 25 locations by large block encoding [2024-09-13 05:02:48,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:48,968 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:48,968 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:48,968 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:48,982 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-13 05:02:48,983 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 05:02:48,988 INFO L158 Benchmark]: Toolchain (without parser) took 3457.45ms. Allocated memory was 65.0MB in the beginning and 253.8MB in the end (delta: 188.7MB). Free memory was 39.7MB in the beginning and 111.4MB in the end (delta: -71.7MB). Peak memory consumption was 116.6MB. Max. memory is 16.1GB. [2024-09-13 05:02:48,988 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:48,988 INFO L158 Benchmark]: Witness Parser took 0.74ms. Allocated memory is still 65.0MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:48,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.06ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 39.5MB in the beginning and 65.5MB in the end (delta: -26.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-09-13 05:02:48,989 INFO L158 Benchmark]: Boogie Preprocessor took 98.70ms. Allocated memory is still 94.4MB. Free memory was 65.5MB in the beginning and 62.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 05:02:48,990 INFO L158 Benchmark]: RCFGBuilder took 620.50ms. Allocated memory is still 94.4MB. Free memory was 62.6MB in the beginning and 67.9MB in the end (delta: -5.2MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-09-13 05:02:48,990 INFO L158 Benchmark]: Referee took 2264.43ms. Allocated memory was 94.4MB in the beginning and 253.8MB in the end (delta: 159.4MB). Free memory was 67.9MB in the beginning and 111.4MB in the end (delta: -43.5MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. [2024-09-13 05:02:48,993 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * 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 is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.74ms. Allocated memory is still 65.0MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.06ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 39.5MB in the beginning and 65.5MB in the end (delta: -26.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.70ms. Allocated memory is still 94.4MB. Free memory was 65.5MB in the beginning and 62.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 620.50ms. Allocated memory is still 94.4MB. Free memory was 62.6MB in the beginning and 67.9MB in the end (delta: -5.2MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Referee took 2264.43ms. Allocated memory was 94.4MB in the beginning and 253.8MB in the end (delta: 159.4MB). Free memory was 67.9MB in the beginning and 111.4MB in the end (delta: -43.5MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:02:49,024 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug