./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 27b49876 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-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:15,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:15,352 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:15,358 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:15,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:15,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:15,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:15,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:15,386 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:15,387 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:15,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:15,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:15,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:15,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:15,391 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:15,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:15,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:15,392 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:15,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:15,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:15,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:15,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:15,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:15,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:15,397 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:15,397 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:15,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:15,398 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:15,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:15,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:15,398 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:15,398 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:15,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:15,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:15,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:15,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:15,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:15,400 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:15,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:15,400 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:15,400 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:15,401 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:15,401 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:15,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:15,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:15,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:15,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:15,698 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:15,698 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:15,699 INFO L431 ainManager$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 [2024-09-21 12:47:15,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:15,756 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:15,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-21 12:47:17,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:17,402 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:17,404 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-21 12:47:17,415 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f08dab1b6/22a672b541454d22bfd57fcf7e368ee3/FLAG35d5978f4 [2024-09-21 12:47:17,431 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f08dab1b6/22a672b541454d22bfd57fcf7e368ee3 [2024-09-21 12:47:17,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:17,433 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:17,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:17,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:17,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:17,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:15" (1/2) ... [2024-09-21 12:47:17,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45105512 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:17, skipping insertion in model container [2024-09-21 12:47:17,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:15" (1/2) ... [2024-09-21 12:47:17,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8758188 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:17, skipping insertion in model container [2024-09-21 12:47:17,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:17" (2/2) ... [2024-09-21 12:47:17,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45105512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17, skipping insertion in model container [2024-09-21 12:47:17,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:17" (2/2) ... [2024-09-21 12:47:17,460 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:17,460 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))))) [2024-09-21 12:47:17,461 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) && (((long long) 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))))) [2024-09-21 12:47:17,461 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))) [2024-09-21 12:47:17,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:17,636 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-21 12:47:17,645 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-21 12:47:17,648 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-21 12:47:17,649 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-21 12:47:17,651 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-21 12:47:17,652 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-21 12:47:17,655 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-21 12:47:17,657 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-21 12:47:17,658 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-21 12:47:17,659 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-21 12:47:17,661 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-21 12:47:17,662 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-21 12:47:17,663 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-21 12:47:17,665 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-21 12:47:17,667 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-21 12:47:17,668 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2024-09-21 12:47:17,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:17,685 INFO L200 MainTranslator]: Completed pre-run [2024-09-21 12:47:17,699 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-21 12:47:17,700 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-21 12:47:17,701 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-21 12:47:17,702 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-21 12:47:17,703 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-21 12:47:17,704 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-21 12:47:17,706 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-21 12:47:17,707 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-21 12:47:17,708 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-21 12:47:17,710 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-21 12:47:17,711 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-21 12:47:17,713 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-21 12:47:17,714 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-21 12:47:17,715 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-21 12:47:17,717 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-21 12:47:17,718 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-21 12:47:17,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:17,779 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:17,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17 WrapperNode [2024-09-21 12:47:17,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:17,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:17,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:17,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:17,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:17,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:17,808 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:17,827 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]. [2024-09-21 12:47:17,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:17,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:17,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:17,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:17,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:17,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:17,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:17,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:17,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:17,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:17,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:17,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:17,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:17,903 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) [2024-09-21 12:47:17,908 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 [2024-09-21 12:47:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:47:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:47:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:47:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-21 12:47:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-21 12:47:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-21 12:47:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:18,033 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:18,036 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:18,282 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:18,332 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:18,332 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-21 12:47:18,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:18 BoogieIcfgContainer [2024-09-21 12:47:18,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:18,335 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:18,335 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:18,337 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:18,337 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:15" (1/4) ... [2024-09-21 12:47:18,338 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2f6b9e96 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:18, skipping insertion in model container [2024-09-21 12:47:18,338 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:17" (2/4) ... [2024-09-21 12:47:18,338 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2f6b9e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:18, skipping insertion in model container [2024-09-21 12:47:18,339 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (3/4) ... [2024-09-21 12:47:18,340 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2f6b9e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:18, skipping insertion in model container [2024-09-21 12:47:18,340 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:18" (4/4) ... [2024-09-21 12:47:18,341 INFO L79 RefereeObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-21 12:47:18,344 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 12:47:18,345 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-21 12:47:18,345 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:18,345 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:18,345 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:18,345 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:18,346 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:18,346 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:18,346 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:18,346 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:18,346 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:18,347 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-21 12:47:18,347 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:18,347 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:18,347 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:18,348 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:18,348 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-21 12:47:18,348 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:18,348 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:18,349 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:18,349 INFO L131 InvariantChecker]: Will check 19 loop-free subgraphs from procedure entry to error location [2024-09-21 12:47:18,403 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-21 12:47:18,404 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:18,404 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:18,405 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:18,406 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:18,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,554 INFO L101 BaseMinimizeStates]: Removed 65 edges and 25 locations by large block encoding [2024-09-21 12:47:18,555 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,555 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:18,555 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:18,556 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:18,577 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:18,600 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:18,600 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:18,600 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:18,600 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:18,600 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:18,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,697 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:18,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,697 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:18,698 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:18,698 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:18,716 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:18,733 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:18,733 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:18,733 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:18,733 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:18,733 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:18,733 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,833 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:18,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,834 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:18,834 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:18,834 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:18,847 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:18,861 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:18,861 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:18,861 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:18,861 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:18,862 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:18,862 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,925 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:18,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,926 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:18,926 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:18,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:18,937 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:18,949 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:18,949 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:18,949 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:18,949 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:18,949 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:18,950 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,056 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:19,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,060 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:19,060 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:19,060 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:19,075 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:19,090 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:19,092 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:19,092 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:19,093 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:19,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:19,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,175 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:19,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,176 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:19,177 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:19,177 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:19,191 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:19,202 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:19,202 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:19,202 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:19,202 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:19,202 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:19,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,257 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:19,257 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,258 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:19,258 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:19,258 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:19,279 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:19,288 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:19,289 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:19,289 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:19,289 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:19,289 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:19,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,346 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-21 12:47:19,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,346 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:19,347 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:19,347 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:19,358 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:19,369 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:19,369 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:19,370 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:19,370 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:19,370 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:19,371 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,426 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-21 12:47:19,427 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,427 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:19,427 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:19,428 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:19,442 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:19,452 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:19,452 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:19,452 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:19,452 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:19,452 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:19,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,517 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-21 12:47:19,518 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,518 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:19,518 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:19,518 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:19,531 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:19,554 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-21 12:47:19,554 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:19,555 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:19,555 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:19,555 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:19,555 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,601 INFO L101 BaseMinimizeStates]: Removed 64 edges and 25 locations by large block encoding [2024-09-21 12:47:19,602 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,602 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:19,602 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:19,602 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:19,612 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:19,623 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:19,624 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:19,624 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:19,624 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:19,624 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:19,625 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,676 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:19,676 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,676 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:19,677 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:19,677 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:19,688 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:19,695 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:19,695 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:19,695 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:19,695 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:19,695 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:19,696 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,741 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:19,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,742 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:19,743 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:19,743 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:19,751 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:19,758 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:19,758 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:19,758 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:19,758 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:19,758 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:19,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,830 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-21 12:47:19,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,834 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:19,835 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:19,835 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:19,849 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:19,855 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:19,856 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:19,856 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:19,856 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:19,856 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:19,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,901 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:19,902 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,902 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:19,902 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:19,902 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:19,911 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:19,919 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-21 12:47:19,920 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:19,920 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:19,920 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:19,920 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:19,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,964 INFO L101 BaseMinimizeStates]: Removed 67 edges and 25 locations by large block encoding [2024-09-21 12:47:19,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:19,967 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:19,968 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:19,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:19,978 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-21 12:47:19,981 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:145) 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) [2024-09-21 12:47:19,989 INFO L158 Benchmark]: Toolchain (without parser) took 2553.97ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 121.9MB in the beginning and 91.8MB in the end (delta: 30.2MB). Peak memory consumption was 129.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:19,990 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:19,991 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 155.2MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:19,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.89ms. Allocated memory is still 155.2MB. Free memory was 121.9MB in the beginning and 101.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-21 12:47:19,992 INFO L158 Benchmark]: Boogie Preprocessor took 80.22ms. Allocated memory is still 155.2MB. Free memory was 101.5MB in the beginning and 99.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:19,992 INFO L158 Benchmark]: RCFGBuilder took 471.68ms. Allocated memory is still 155.2MB. Free memory was 99.0MB in the beginning and 79.2MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 12:47:19,993 INFO L158 Benchmark]: Referee took 1650.73ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 79.2MB in the beginning and 91.8MB in the end (delta: -12.6MB). Peak memory consumption was 87.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:19,997 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 0.19ms. Allocated memory is still 155.2MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 155.2MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.89ms. Allocated memory is still 155.2MB. Free memory was 121.9MB in the beginning and 101.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.22ms. Allocated memory is still 155.2MB. Free memory was 101.5MB in the beginning and 99.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.68ms. Allocated memory is still 155.2MB. Free memory was 99.0MB in the beginning and 79.2MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 1650.73ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 79.2MB in the beginning and 91.8MB in the end (delta: -12.6MB). Peak memory consumption was 87.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:47:20,030 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-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:22,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:22,396 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:47:22,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:22,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:22,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:22,438 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:22,438 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:22,441 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:22,442 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:22,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:22,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:22,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:22,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:22,447 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:22,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:22,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:22,448 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:22,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:22,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:22,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:22,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:22,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:22,450 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:47:22,453 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:47:22,454 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:22,454 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:47:22,454 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:22,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:22,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:22,455 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:22,455 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:22,456 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:22,456 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:22,456 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:22,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:22,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:22,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:22,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:22,457 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:47:22,458 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:47:22,459 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:22,459 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:22,459 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:22,460 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:22,460 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:47:22,460 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:22,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:22,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:22,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:22,801 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:22,802 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:22,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-21 12:47:24,339 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:24,536 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:24,537 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-21 12:47:24,546 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6945b396f/d9630886e4d24bacb7fed10d1de0f86c/FLAGed69d0397 [2024-09-21 12:47:24,929 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6945b396f/d9630886e4d24bacb7fed10d1de0f86c [2024-09-21 12:47:24,931 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:24,932 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:24,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-21 12:47:24,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:24,989 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:24,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:24,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:24,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:24,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:24" (1/2) ... [2024-09-21 12:47:24,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1002be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:24, skipping insertion in model container [2024-09-21 12:47:24,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:24" (1/2) ... [2024-09-21 12:47:25,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b49b6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:25, skipping insertion in model container [2024-09-21 12:47:25,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:24" (2/2) ... [2024-09-21 12:47:25,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1002be9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:25, skipping insertion in model container [2024-09-21 12:47:25,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:24" (2/2) ... [2024-09-21 12:47:25,015 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:25,019 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))))) [2024-09-21 12:47:25,020 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) && (((long long) 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))))) [2024-09-21 12:47:25,020 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))) [2024-09-21 12:47:25,052 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:25,232 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-21 12:47:25,243 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-21 12:47:25,248 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-21 12:47:25,249 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-21 12:47:25,251 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-21 12:47:25,257 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-21 12:47:25,260 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-21 12:47:25,266 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-21 12:47:25,269 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-21 12:47:25,272 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-21 12:47:25,277 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-21 12:47:25,279 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-21 12:47:25,282 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-21 12:47:25,287 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-21 12:47:25,292 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-21 12:47:25,294 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2024-09-21 12:47:25,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:25,314 INFO L200 MainTranslator]: Completed pre-run [2024-09-21 12:47:25,334 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-21 12:47:25,335 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-21 12:47:25,338 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-21 12:47:25,339 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-21 12:47:25,341 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-21 12:47:25,346 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-21 12:47:25,348 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-21 12:47:25,353 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-21 12:47:25,355 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-21 12:47:25,375 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-21 12:47:25,380 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-21 12:47:25,381 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-21 12:47:25,382 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-21 12:47:25,383 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-21 12:47:25,386 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-21 12:47:25,389 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-21 12:47:25,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:25,460 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:25,461 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:25 WrapperNode [2024-09-21 12:47:25,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:25,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:25,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:25,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:25,476 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 21.09 12:47:25" (1/1) ... [2024-09-21 12:47:25,477 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 21.09 12:47:25" (1/1) ... [2024-09-21 12:47:25,487 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 21.09 12:47:25" (1/1) ... [2024-09-21 12:47:25,516 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]. [2024-09-21 12:47:25,516 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 21.09 12:47:25" (1/1) ... [2024-09-21 12:47:25,516 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 21.09 12:47:25" (1/1) ... [2024-09-21 12:47:25,530 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 21.09 12:47:25" (1/1) ... [2024-09-21 12:47:25,536 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 21.09 12:47:25" (1/1) ... [2024-09-21 12:47:25,538 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 21.09 12:47:25" (1/1) ... [2024-09-21 12:47:25,539 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 21.09 12:47:25" (1/1) ... [2024-09-21 12:47:25,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:25,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:25,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:25,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:25,543 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 21.09 12:47:25" (1/1) ... [2024-09-21 12:47:25,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:25,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:25,575 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) [2024-09-21 12:47:25,578 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 [2024-09-21 12:47:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:47:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:47:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:47:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-21 12:47:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-21 12:47:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-21 12:47:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:25,713 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:25,716 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:26,044 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:26,091 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:26,092 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-21 12:47:26,092 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:26 BoogieIcfgContainer [2024-09-21 12:47:26,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:26,094 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:26,094 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:26,095 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:26,095 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:24" (1/4) ... [2024-09-21 12:47:26,096 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7ddacb7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:26, skipping insertion in model container [2024-09-21 12:47:26,096 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:24" (2/4) ... [2024-09-21 12:47:26,097 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7ddacb7a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:26, skipping insertion in model container [2024-09-21 12:47:26,098 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 21.09 12:47:25" (3/4) ... [2024-09-21 12:47:26,098 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7ddacb7a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:26, skipping insertion in model container [2024-09-21 12:47:26,098 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:26" (4/4) ... [2024-09-21 12:47:26,099 INFO L79 RefereeObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-21 12:47:26,104 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 12:47:26,105 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-21 12:47:26,105 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:26,105 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:26,106 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:26,106 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:26,106 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:26,107 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:26,108 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:26,108 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:26,108 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:26,109 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-21 12:47:26,109 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:26,110 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:26,110 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:26,110 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:26,111 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-21 12:47:26,112 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:26,113 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:26,113 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-21 12:47:26,113 INFO L131 InvariantChecker]: Will check 19 loop-free subgraphs from procedure entry to error location [2024-09-21 12:47:26,195 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-21 12:47:26,200 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:26,200 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:26,201 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:26,202 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:26,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:26,349 INFO L101 BaseMinimizeStates]: Removed 65 edges and 25 locations by large block encoding [2024-09-21 12:47:26,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:26,350 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:26,351 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:26,351 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:26,387 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:26,412 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:26,413 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:26,413 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:26,413 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:26,413 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:26,413 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:26,547 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:26,548 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:26,548 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:26,548 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:26,548 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:26,571 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:26,596 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:26,596 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:26,596 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:26,597 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:26,597 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:26,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:26,710 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:26,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:26,712 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:26,712 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:26,712 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:26,735 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:26,757 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:26,757 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:26,758 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:26,758 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:26,758 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:26,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:26,845 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:26,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:26,847 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:26,847 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:26,847 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:26,864 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:26,877 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:26,877 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:26,877 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:26,877 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:26,877 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:26,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:26,959 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:26,959 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:26,959 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:26,960 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:26,962 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:26,986 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:26,997 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:26,999 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:26,999 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:26,999 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:27,000 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:27,000 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,066 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:27,066 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,066 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:27,067 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:27,067 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:27,081 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:27,103 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:27,103 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:27,103 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:27,104 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:27,104 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:27,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,185 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:27,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,185 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:27,185 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:27,186 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:27,198 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:27,211 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:27,212 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:27,212 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:27,212 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:27,212 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:27,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,297 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-21 12:47:27,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,298 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:27,298 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:27,298 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:27,313 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:27,324 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:27,325 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:27,325 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:27,325 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:27,325 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:27,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,409 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-21 12:47:27,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,410 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:27,410 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:27,410 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:27,424 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:27,434 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:27,434 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:27,435 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:27,435 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:27,435 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:27,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,499 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-21 12:47:27,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,500 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:27,500 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:27,500 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:27,515 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:27,523 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-21 12:47:27,523 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:27,524 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:27,524 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:27,524 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:27,525 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,600 INFO L101 BaseMinimizeStates]: Removed 64 edges and 25 locations by large block encoding [2024-09-21 12:47:27,601 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,601 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:27,601 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:27,601 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:27,615 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:27,628 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:27,629 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:27,629 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:27,629 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:27,629 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:27,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,709 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:27,710 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,710 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:27,710 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:27,710 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:27,729 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:27,742 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:27,742 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:27,743 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:27,743 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:27,743 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:27,743 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,831 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:27,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,832 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:27,832 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:27,832 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:27,848 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:27,857 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:27,857 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:27,858 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:27,858 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:27,858 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:27,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,938 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-21 12:47:27,938 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:27,939 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:27,939 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:27,939 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:27,951 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:27,959 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-21 12:47:27,959 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:27,960 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:27,960 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:27,960 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:27,960 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:28,012 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-21 12:47:28,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:28,013 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:28,013 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:28,013 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:28,024 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:28,032 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-21 12:47:28,032 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:28,032 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:28,032 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:28,033 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:28,033 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:28,085 INFO L101 BaseMinimizeStates]: Removed 67 edges and 25 locations by large block encoding [2024-09-21 12:47:28,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:28,086 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:28,086 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:28,086 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:28,124 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-21 12:47:28,125 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:145) 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) [2024-09-21 12:47:28,130 INFO L158 Benchmark]: Toolchain (without parser) took 3139.71ms. Allocated memory was 94.4MB in the beginning and 199.2MB in the end (delta: 104.9MB). Free memory was 64.7MB in the beginning and 159.7MB in the end (delta: -95.0MB). Peak memory consumption was 108.7MB. Max. memory is 16.1GB. [2024-09-21 12:47:28,131 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 60.8MB. Free memory was 39.8MB in the beginning and 39.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:28,131 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 94.4MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:28,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.36ms. Allocated memory is still 94.4MB. Free memory was 64.7MB in the beginning and 69.1MB in the end (delta: -4.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 12:47:28,132 INFO L158 Benchmark]: Boogie Preprocessor took 79.38ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 66.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:28,132 INFO L158 Benchmark]: RCFGBuilder took 551.19ms. Allocated memory is still 94.4MB. Free memory was 66.3MB in the beginning and 44.6MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-21 12:47:28,133 INFO L158 Benchmark]: Referee took 2034.30ms. Allocated memory was 94.4MB in the beginning and 199.2MB in the end (delta: 104.9MB). Free memory was 44.6MB in the beginning and 159.7MB in the end (delta: -115.1MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. [2024-09-21 12:47:28,135 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 0.41ms. Allocated memory is still 60.8MB. Free memory was 39.8MB in the beginning and 39.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 94.4MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.36ms. Allocated memory is still 94.4MB. Free memory was 64.7MB in the beginning and 69.1MB in the end (delta: -4.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.38ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 66.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 551.19ms. Allocated memory is still 94.4MB. Free memory was 66.3MB in the beginning and 44.6MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 2034.30ms. Allocated memory was 94.4MB in the beginning and 199.2MB in the end (delta: 104.9MB). Free memory was 44.6MB in the beginning and 159.7MB in the end (delta: -115.1MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:47:28,157 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug