./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 f1d7dc9d 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-f1d7dc9-m [2024-09-20 13:25:24,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:25:24,869 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:25:24,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:25:24,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:25:24,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:25:24,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:25:24,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:25:24,910 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:25:24,910 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:25:24,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:25:24,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:25:24,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:25:24,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:25:24,912 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:25:24,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:25:24,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:25:24,913 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:25:24,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:25:24,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:25:24,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:25:24,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:25:24,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:25:24,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:25:24,919 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:25:24,920 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:25:24,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:25:24,920 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:25:24,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:25:24,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:25:24,921 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:25:24,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:25:24,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:25:24,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:24,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:25:24,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:25:24,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:25:24,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:25:24,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:25:24,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:25:24,923 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:25:24,924 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:25:24,924 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:25:24,924 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:25:25,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:25:25,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:25:25,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:25:25,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:25:25,204 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:25:25,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-20 13:25:26,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:25:26,824 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:25:26,824 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-20 13:25:26,831 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4951738ea/c5e52e2b3d384f72831f8787330f168d/FLAG96999bd03 [2024-09-20 13:25:27,157 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4951738ea/c5e52e2b3d384f72831f8787330f168d [2024-09-20 13:25:27,160 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:25:27,161 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:25:27,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-20 13:25:27,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:25:27,208 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:25:27,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:27,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:25:27,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:25:27,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:27" (1/2) ... [2024-09-20 13:25:27,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713b3d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:27, skipping insertion in model container [2024-09-20 13:25:27,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:27" (1/2) ... [2024-09-20 13:25:27,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5125506e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:27, skipping insertion in model container [2024-09-20 13:25:27,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:27" (2/2) ... [2024-09-20 13:25:27,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713b3d4e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:27, skipping insertion in model container [2024-09-20 13:25:27,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:27" (2/2) ... [2024-09-20 13:25:27,232 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:25:27,233 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))) [2024-09-20 13:25:27,233 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))))) [2024-09-20 13:25:27,233 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))))) [2024-09-20 13:25:27,264 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:25:27,415 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] [2024-09-20 13:25:27,420 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] [2024-09-20 13:25:27,422 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] [2024-09-20 13:25:27,424 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] [2024-09-20 13:25:27,425 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] [2024-09-20 13:25:27,426 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] [2024-09-20 13:25:27,432 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] [2024-09-20 13:25:27,433 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] [2024-09-20 13:25:27,436 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] [2024-09-20 13:25:27,438 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] [2024-09-20 13:25:27,440 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] [2024-09-20 13:25:27,441 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] [2024-09-20 13:25:27,444 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] [2024-09-20 13:25:27,445 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] [2024-09-20 13:25:27,447 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] [2024-09-20 13:25:27,449 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] [2024-09-20 13:25:27,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:27,472 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 13:25:27,491 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] [2024-09-20 13:25:27,494 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] [2024-09-20 13:25:27,499 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] [2024-09-20 13:25:27,500 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] [2024-09-20 13:25:27,504 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] [2024-09-20 13:25:27,505 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] [2024-09-20 13:25:27,506 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] [2024-09-20 13:25:27,511 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] [2024-09-20 13:25:27,513 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] [2024-09-20 13:25:27,516 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] [2024-09-20 13:25:27,518 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] [2024-09-20 13:25:27,523 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] [2024-09-20 13:25:27,524 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] [2024-09-20 13:25:27,529 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] [2024-09-20 13:25:27,534 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] [2024-09-20 13:25:27,535 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 [2024-09-20 13:25:27,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:27,590 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:25:27,591 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:27 WrapperNode [2024-09-20 13:25:27,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:27,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:25:27,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:25:27,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:25:27,606 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 20.09 01:25:27" (1/1) ... [2024-09-20 13:25:27,606 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 20.09 01:25:27" (1/1) ... [2024-09-20 13:25:27,614 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 20.09 01:25:27" (1/1) ... [2024-09-20 13:25:27,641 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]. [2024-09-20 13:25:27,641 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 20.09 01:25:27" (1/1) ... [2024-09-20 13:25:27,641 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 20.09 01:25:27" (1/1) ... [2024-09-20 13:25:27,652 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 20.09 01:25:27" (1/1) ... [2024-09-20 13:25:27,656 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 20.09 01:25:27" (1/1) ... [2024-09-20 13:25:27,658 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 20.09 01:25:27" (1/1) ... [2024-09-20 13:25:27,662 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 20.09 01:25:27" (1/1) ... [2024-09-20 13:25:27,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:25:27,668 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:25:27,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:25:27,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:25:27,670 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 20.09 01:25:27" (1/1) ... [2024-09-20 13:25:27,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:27,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:25:27,700 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) [2024-09-20 13:25:27,703 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 [2024-09-20 13:25:27,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:25:27,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:25:27,748 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:25:27,748 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:25:27,748 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:25:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:25:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:25:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:25:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:25:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:25:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:25:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:25:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:25:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:25:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 13:25:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:25:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-20 13:25:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-20 13:25:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:25:27,839 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:25:27,841 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:25:28,096 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:25:28,130 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:25:28,130 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 13:25:28,131 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:28 BoogieIcfgContainer [2024-09-20 13:25:28,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:25:28,132 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:25:28,132 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:25:28,132 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:25:28,132 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:25:27" (1/4) ... [2024-09-20 13:25:28,133 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3bbd9f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:25:28, skipping insertion in model container [2024-09-20 13:25:28,133 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:27" (2/4) ... [2024-09-20 13:25:28,133 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3bbd9f8b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:28, skipping insertion in model container [2024-09-20 13:25:28,137 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 20.09 01:25:27" (3/4) ... [2024-09-20 13:25:28,138 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3bbd9f8b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:28, skipping insertion in model container [2024-09-20 13:25:28,138 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:28" (4/4) ... [2024-09-20 13:25:28,141 INFO L79 RefereeObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-20 13:25:28,144 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 13:25:28,144 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 13:25:28,145 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:28,145 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:28,145 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:28,146 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:28,146 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:28,146 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:28,146 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:28,146 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:28,147 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:28,147 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 13:25:28,147 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:28,148 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:28,148 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:28,148 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:28,148 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 13:25:28,148 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:28,148 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:28,149 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:28,149 INFO L131 InvariantChecker]: Will check 19 loop-free subgraphs from procedure entry to error location [2024-09-20 13:25:28,215 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-20 13:25:28,216 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:28,216 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:28,217 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:28,218 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:28,223 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:28,398 INFO L101 BaseMinimizeStates]: Removed 65 edges and 25 locations by large block encoding [2024-09-20 13:25:28,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:28,400 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:28,400 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:28,401 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:28,452 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:28,471 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:28,475 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:28,475 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:28,475 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:28,475 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:28,475 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:28,571 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:28,572 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:28,572 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:28,572 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:28,572 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:28,589 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:28,609 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:28,609 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:28,610 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:28,610 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:28,610 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:28,610 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:28,689 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:28,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:28,690 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:28,691 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:28,691 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:28,704 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:28,717 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:28,718 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:28,718 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:28,718 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:28,718 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:28,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:28,819 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:28,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:28,820 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:28,820 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:28,820 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:28,836 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:28,850 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:28,851 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:28,851 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:28,851 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:28,851 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:28,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:28,928 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:28,929 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:28,929 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:28,930 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:28,930 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:28,940 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:28,950 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:28,950 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:28,951 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:28,951 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:28,951 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:28,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,012 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:29,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,014 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:29,014 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:29,015 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:29,038 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:29,047 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:29,047 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:29,048 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:29,048 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:29,048 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:29,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,104 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:29,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,104 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:29,104 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:29,104 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:29,114 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:29,123 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:29,123 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:29,123 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:29,124 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:29,125 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:29,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,196 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-20 13:25:29,196 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,196 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:29,196 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:29,197 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:29,208 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:29,217 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:29,217 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:29,218 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:29,218 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:29,218 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:29,219 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,291 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-20 13:25:29,291 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,292 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:29,292 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:29,292 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:29,307 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:29,315 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:29,315 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:29,315 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:29,315 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:29,316 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:29,316 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,381 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-20 13:25:29,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,381 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:29,382 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:29,382 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:29,394 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:29,402 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-20 13:25:29,402 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:29,403 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:29,403 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:29,403 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:29,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,452 INFO L101 BaseMinimizeStates]: Removed 64 edges and 25 locations by large block encoding [2024-09-20 13:25:29,452 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,452 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:29,452 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:29,453 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:29,462 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:29,470 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:29,471 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:29,471 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:29,471 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:29,471 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:29,471 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,525 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:29,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,526 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:29,526 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:29,526 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:29,553 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:29,563 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:29,563 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:29,563 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:29,564 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:29,564 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:29,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,616 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:29,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,616 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:29,616 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:29,617 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:29,626 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:29,633 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:29,633 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:29,633 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:29,633 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:29,634 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:29,634 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,685 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-20 13:25:29,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,685 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:29,686 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:29,686 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:29,697 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:29,704 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:29,704 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:29,704 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:29,705 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:29,705 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:29,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,754 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:29,754 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,754 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:29,755 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:29,755 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:29,764 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:29,774 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-20 13:25:29,774 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:29,774 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:29,774 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:29,775 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:29,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,867 INFO L101 BaseMinimizeStates]: Removed 67 edges and 25 locations by large block encoding [2024-09-20 13:25:29,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:29,868 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:29,870 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:29,870 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:29,886 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-20 13:25:29,889 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) [2024-09-20 13:25:29,895 INFO L158 Benchmark]: Toolchain (without parser) took 2686.91ms. Allocated memory was 165.7MB in the beginning and 262.1MB in the end (delta: 96.5MB). Free memory was 131.0MB in the beginning and 193.3MB in the end (delta: -62.2MB). Peak memory consumption was 130.6MB. Max. memory is 16.1GB. [2024-09-20 13:25:29,897 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:29,898 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 165.7MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:29,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.23ms. Allocated memory is still 165.7MB. Free memory was 131.0MB in the beginning and 109.3MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-20 13:25:29,899 INFO L158 Benchmark]: Boogie Preprocessor took 72.74ms. Allocated memory is still 165.7MB. Free memory was 109.3MB in the beginning and 107.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:25:29,899 INFO L158 Benchmark]: RCFGBuilder took 462.74ms. Allocated memory is still 165.7MB. Free memory was 107.2MB in the beginning and 87.7MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-20 13:25:29,900 INFO L158 Benchmark]: Referee took 1762.13ms. Allocated memory was 165.7MB in the beginning and 262.1MB in the end (delta: 96.5MB). Free memory was 87.7MB in the beginning and 193.3MB in the end (delta: -105.6MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. [2024-09-20 13:25:29,902 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 0.18ms. Allocated memory is still 165.7MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 165.7MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.23ms. Allocated memory is still 165.7MB. Free memory was 131.0MB in the beginning and 109.3MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.74ms. Allocated memory is still 165.7MB. Free memory was 109.3MB in the beginning and 107.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 462.74ms. Allocated memory is still 165.7MB. Free memory was 107.2MB in the beginning and 87.7MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 1762.13ms. Allocated memory was 165.7MB in the beginning and 262.1MB in the end (delta: 96.5MB). Free memory was 87.7MB in the beginning and 193.3MB in the end (delta: -105.6MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:25:29,936 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-f1d7dc9-m [2024-09-20 13:25:32,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:25:32,157 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:25:32,165 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:25:32,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:25:32,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:25:32,199 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:25:32,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:25:32,200 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:25:32,201 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:25:32,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:25:32,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:25:32,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:25:32,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:25:32,204 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:25:32,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:25:32,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:25:32,206 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:25:32,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:25:32,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:25:32,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:25:32,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:25:32,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:25:32,208 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:25:32,208 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:25:32,209 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:25:32,209 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:25:32,209 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:25:32,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:25:32,210 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:25:32,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:25:32,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:25:32,211 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:25:32,211 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:25:32,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:25:32,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:32,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:25:32,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:25:32,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:25:32,212 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:25:32,213 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:25:32,213 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:25:32,213 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:25:32,214 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:25:32,214 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:25:32,214 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:25:32,214 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:25:32,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:25:32,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:25:32,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:25:32,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:25:32,551 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:25:32,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-20 13:25:34,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:25:34,396 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:25:34,397 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-20 13:25:34,408 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a4045c4ab/9ca13a92aabf445eabf46ec1798a0e03/FLAG111d3eed1 [2024-09-20 13:25:34,425 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a4045c4ab/9ca13a92aabf445eabf46ec1798a0e03 [2024-09-20 13:25:34,428 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:25:34,429 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:25:34,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-20 13:25:34,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:25:34,485 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:25:34,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:34,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:25:34,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:25:34,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:34" (1/2) ... [2024-09-20 13:25:34,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c4b2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:34, skipping insertion in model container [2024-09-20 13:25:34,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:34" (1/2) ... [2024-09-20 13:25:34,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4be49bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:34, skipping insertion in model container [2024-09-20 13:25:34,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:34" (2/2) ... [2024-09-20 13:25:34,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c4b2f0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:34, skipping insertion in model container [2024-09-20 13:25:34,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:34" (2/2) ... [2024-09-20 13:25:34,504 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:25:34,505 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))) [2024-09-20 13:25:34,505 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))))) [2024-09-20 13:25:34,505 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))))) [2024-09-20 13:25:34,534 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:25:34,714 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[1066,1079] [2024-09-20 13:25:34,719 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] [2024-09-20 13:25:34,725 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] [2024-09-20 13:25:34,732 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] [2024-09-20 13:25:34,734 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] [2024-09-20 13:25:34,735 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] [2024-09-20 13:25:34,739 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] [2024-09-20 13:25:34,742 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] [2024-09-20 13:25:34,744 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] [2024-09-20 13:25:34,746 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] [2024-09-20 13:25:34,750 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] [2024-09-20 13:25:34,752 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] [2024-09-20 13:25:34,755 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] [2024-09-20 13:25:34,757 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] [2024-09-20 13:25:34,760 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] [2024-09-20 13:25:34,763 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] [2024-09-20 13:25:34,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:34,780 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 13:25:34,799 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] [2024-09-20 13:25:34,800 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] [2024-09-20 13:25:34,804 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] [2024-09-20 13:25:34,805 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] [2024-09-20 13:25:34,810 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] [2024-09-20 13:25:34,811 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] [2024-09-20 13:25:34,813 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] [2024-09-20 13:25:34,816 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] [2024-09-20 13:25:34,818 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] [2024-09-20 13:25:34,821 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] [2024-09-20 13:25:34,823 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] [2024-09-20 13:25:34,825 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] [2024-09-20 13:25:34,827 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] [2024-09-20 13:25:34,828 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] [2024-09-20 13:25:34,831 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] [2024-09-20 13:25:34,835 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 [2024-09-20 13:25:34,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:34,915 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:25:34,916 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:34 WrapperNode [2024-09-20 13:25:34,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:34,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:25:34,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:25:34,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:25:34,930 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 20.09 01:25:34" (1/1) ... [2024-09-20 13:25:34,931 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 20.09 01:25:34" (1/1) ... [2024-09-20 13:25:34,940 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 20.09 01:25:34" (1/1) ... [2024-09-20 13:25:34,968 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]. [2024-09-20 13:25:34,970 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 20.09 01:25:34" (1/1) ... [2024-09-20 13:25:34,970 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 20.09 01:25:34" (1/1) ... [2024-09-20 13:25:34,982 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 20.09 01:25:34" (1/1) ... [2024-09-20 13:25:34,987 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 20.09 01:25:34" (1/1) ... [2024-09-20 13:25:34,990 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 20.09 01:25:34" (1/1) ... [2024-09-20 13:25:34,991 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 20.09 01:25:34" (1/1) ... [2024-09-20 13:25:34,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:25:34,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:25:34,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:25:34,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:25:34,996 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 20.09 01:25:34" (1/1) ... [2024-09-20 13:25:35,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:35,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:25:35,031 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) [2024-09-20 13:25:35,033 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 [2024-09-20 13:25:35,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:25:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:25:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:25:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:25:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:25:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:25:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:25:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:25:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:25:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:25:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:25:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:25:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:25:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:25:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-20 13:25:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:25:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-20 13:25:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-20 13:25:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:25:35,162 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:25:35,164 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:25:35,519 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:25:35,567 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:25:35,567 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 13:25:35,568 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:35 BoogieIcfgContainer [2024-09-20 13:25:35,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:25:35,568 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:25:35,569 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:25:35,569 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:25:35,570 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:25:34" (1/4) ... [2024-09-20 13:25:35,570 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78f1ee14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:25:35, skipping insertion in model container [2024-09-20 13:25:35,570 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:34" (2/4) ... [2024-09-20 13:25:35,570 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78f1ee14 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:35, skipping insertion in model container [2024-09-20 13:25:35,570 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 20.09 01:25:34" (3/4) ... [2024-09-20 13:25:35,571 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78f1ee14 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:35, skipping insertion in model container [2024-09-20 13:25:35,571 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:35" (4/4) ... [2024-09-20 13:25:35,572 INFO L79 RefereeObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-20 13:25:35,576 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 13:25:35,577 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 13:25:35,577 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:35,578 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:35,578 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:35,578 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:35,579 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:35,580 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:35,580 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:35,581 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:35,581 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:35,581 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 13:25:35,581 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:35,582 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:35,582 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:35,583 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:35,584 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 13:25:35,584 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:35,584 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:35,585 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:35,585 INFO L131 InvariantChecker]: Will check 19 loop-free subgraphs from procedure entry to error location [2024-09-20 13:25:35,658 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-20 13:25:35,659 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:35,659 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:35,660 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:35,661 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:35,663 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:35,827 INFO L101 BaseMinimizeStates]: Removed 65 edges and 25 locations by large block encoding [2024-09-20 13:25:35,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:35,829 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:35,829 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:35,830 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:35,859 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:35,885 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:35,885 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:35,885 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:35,886 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:35,886 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:35,886 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:36,018 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:36,019 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:36,019 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:36,019 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:36,019 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:36,044 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:36,061 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:36,062 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:36,063 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:36,063 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:36,064 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:36,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:36,148 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:36,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:36,149 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:36,149 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:36,149 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:36,175 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:36,189 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:36,192 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:36,193 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:36,193 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:36,193 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:36,193 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:36,292 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:36,292 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:36,292 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:36,293 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:36,293 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:36,314 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:36,329 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:36,329 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:36,330 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:36,331 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:36,331 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:36,331 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:36,429 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:36,430 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:36,430 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:36,430 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:36,432 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:36,447 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:36,462 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:36,465 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:36,465 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:36,465 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:36,466 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:36,466 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:36,561 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:36,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:36,562 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:36,562 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:36,562 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:36,577 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:36,589 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:36,590 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:36,590 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:36,590 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:36,590 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:36,590 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:36,668 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:36,668 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:36,669 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:36,669 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:36,670 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:36,683 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:36,695 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:36,696 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:36,696 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:36,697 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:36,697 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:36,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:36,801 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-20 13:25:36,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:36,802 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:36,802 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:36,802 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:36,823 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:36,836 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:36,836 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:36,836 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:36,837 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:36,837 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:36,837 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:36,924 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-20 13:25:36,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:36,925 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:36,925 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:36,925 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:36,939 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:36,948 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:36,948 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:36,948 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:36,949 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:36,949 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:36,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:37,005 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-20 13:25:37,005 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:37,006 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:37,006 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:37,006 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:37,020 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:37,029 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-20 13:25:37,029 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:37,029 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:37,029 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:37,030 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:37,030 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:37,088 INFO L101 BaseMinimizeStates]: Removed 64 edges and 25 locations by large block encoding [2024-09-20 13:25:37,089 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:37,089 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:37,089 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:37,089 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:37,099 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:37,108 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:37,108 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:37,108 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:37,108 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:37,108 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:37,109 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:37,158 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:37,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:37,159 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:37,159 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:37,159 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:37,170 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:37,177 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:37,178 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:37,178 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:37,178 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:37,178 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:37,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:37,246 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:37,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:37,247 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:37,247 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:37,247 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:37,257 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:37,265 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:37,265 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:37,266 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:37,266 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:37,266 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:37,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:37,323 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-20 13:25:37,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:37,324 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:37,324 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:37,324 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:37,337 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:37,363 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 13:25:37,364 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:37,364 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:37,364 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:37,365 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:37,365 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:37,445 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 13:25:37,446 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:37,446 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:37,446 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:37,447 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:37,463 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 13:25:37,478 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-20 13:25:37,478 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:37,478 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:37,479 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:37,479 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:37,479 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:37,552 INFO L101 BaseMinimizeStates]: Removed 67 edges and 25 locations by large block encoding [2024-09-20 13:25:37,553 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:37,553 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:37,554 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:37,554 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:37,572 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-20 13:25:37,573 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) [2024-09-20 13:25:37,579 INFO L158 Benchmark]: Toolchain (without parser) took 3093.58ms. Allocated memory was 58.7MB in the beginning and 343.9MB in the end (delta: 285.2MB). Free memory was 34.8MB in the beginning and 217.4MB in the end (delta: -182.7MB). Peak memory consumption was 104.4MB. Max. memory is 16.1GB. [2024-09-20 13:25:37,580 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 46.1MB. Free memory was 27.5MB in the beginning and 27.4MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:37,580 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 58.7MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:37,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.04ms. Allocated memory is still 58.7MB. Free memory was 34.5MB in the beginning and 27.1MB in the end (delta: 7.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-09-20 13:25:37,581 INFO L158 Benchmark]: Boogie Preprocessor took 77.58ms. Allocated memory is still 58.7MB. Free memory was 27.1MB in the beginning and 37.9MB in the end (delta: -10.8MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-09-20 13:25:37,581 INFO L158 Benchmark]: RCFGBuilder took 573.03ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 37.7MB in the beginning and 43.9MB in the end (delta: -6.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-20 13:25:37,583 INFO L158 Benchmark]: Referee took 2009.25ms. Allocated memory was 71.3MB in the beginning and 343.9MB in the end (delta: 272.6MB). Free memory was 43.9MB in the beginning and 217.4MB in the end (delta: -173.6MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. [2024-09-20 13:25:37,586 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 0.26ms. Allocated memory is still 46.1MB. Free memory was 27.5MB in the beginning and 27.4MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 58.7MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.04ms. Allocated memory is still 58.7MB. Free memory was 34.5MB in the beginning and 27.1MB in the end (delta: 7.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.58ms. Allocated memory is still 58.7MB. Free memory was 27.1MB in the beginning and 37.9MB in the end (delta: -10.8MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * RCFGBuilder took 573.03ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 37.7MB in the beginning and 43.9MB in the end (delta: -6.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 2009.25ms. Allocated memory was 71.3MB in the beginning and 343.9MB in the end (delta: 272.6MB). Free memory was 43.9MB in the beginning and 217.4MB in the end (delta: -173.6MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:25:37,618 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