./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+sep-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd 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/apache-get-tag.i.p+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+sep-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-ca4ee3d-m [2024-09-20 20:08:53,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:08:53,426 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:08:53,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:08:53,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:08:53,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:08:53,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:08:53,458 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:08:53,459 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:08:53,459 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:08:53,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:08:53,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:08:53,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:08:53,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:08:53,463 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:08:53,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:08:53,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:08:53,464 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:08:53,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:08:53,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:08:53,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:08:53,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:08:53,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:08:53,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:08:53,470 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:08:53,470 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:08:53,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:08:53,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:08:53,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:08:53,471 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:08:53,471 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:08:53,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:08:53,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:08:53,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:53,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:08:53,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:08:53,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:08:53,473 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:08:53,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:08:53,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:08:53,474 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:08:53,475 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:08:53,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:08:53,476 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:08:53,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:08:53,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:08:53,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:08:53,744 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:08:53,744 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:08:53,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2024-09-20 20:08:55,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:08:55,542 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:08:55,543 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2024-09-20 20:08:55,568 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/43bd69a0c/8eab4171ae814ce1b3836ecaa5ebcdcd/FLAG5c0606ad2 [2024-09-20 20:08:55,587 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/43bd69a0c/8eab4171ae814ce1b3836ecaa5ebcdcd [2024-09-20 20:08:55,589 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:08:55,590 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:08:55,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+sep-reducer.yml/witness-2.1.yml [2024-09-20 20:08:55,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:08:55,646 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:08:55,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:55,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:08:55,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:08:55,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:55" (1/2) ... [2024-09-20 20:08:55,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce88d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:55, skipping insertion in model container [2024-09-20 20:08:55,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:55" (1/2) ... [2024-09-20 20:08:55,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22fb635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:55, skipping insertion in model container [2024-09-20 20:08:55,659 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 08:08:55" (2/2) ... [2024-09-20 20:08:55,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce88d99 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:55, skipping insertion in model container [2024-09-20 20:08:55,660 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 08:08:55" (2/2) ... [2024-09-20 20:08:55,727 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:08:55,728 INFO L1541 ArrayList]: Location invariant before [L404-L552] (0 < ((long long) main__t + 1)) [2024-09-20 20:08:55,728 INFO L1541 ArrayList]: Location invariant before [L4770-L4920] ((((long long) main__t + 1) <= main__tagbuf_len) && (61 <= main__t)) [2024-09-20 20:08:55,729 INFO L1541 ArrayList]: Location invariant before [L475-L475] (0 < ((long long) main__t + 1)) [2024-09-20 20:08:55,729 INFO L1541 ArrayList]: Location invariant before [L360-L554] (0 < ((long long) main__t + 1)) [2024-09-20 20:08:55,729 INFO L1541 ArrayList]: Location invariant before [L128-L645] (((((((((((__tmp_148_0 == \old(__tmp_148_0)) && (\old(__tmp_179_1) == __tmp_179_1)) && (\old(__tmp_218_0) == __tmp_218_0)) && (0 <= main__t)) && (__tmp_2390_0 == \old(__tmp_2390_0))) && (\old(__tmp_179_2) == __tmp_179_2)) && (__tmp_109_1 == \old(__tmp_109_1))) && (__tmp_109_0 == \old(__tmp_109_0))) && (\old(__return_2583) == __return_2583)) && (__tmp_2390_1 == \old(__tmp_2390_1))) && (\old(__tmp_179_0) == __tmp_179_0)) [2024-09-20 20:08:55,729 INFO L1541 ArrayList]: Location invariant before [L335-L335] (0 < ((long long) main__t + 1)) [2024-09-20 20:08:55,730 INFO L1541 ArrayList]: Location invariant before [L31-L5293] ((0 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-20 20:08:55,730 INFO L1541 ArrayList]: Location invariant before [L264-L599] (0 < ((long long) main__t + 1)) [2024-09-20 20:08:55,730 INFO L1541 ArrayList]: Location invariant before [L4665-L4938] ((59 <= main__t) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-20 20:08:55,730 INFO L1541 ArrayList]: Location invariant before [L4734-L4921] ((61 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-20 20:08:55,730 INFO L1541 ArrayList]: Location invariant before [L68-L5292] (0 < ((long long) main__t + 1)) [2024-09-20 20:08:55,816 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:08:56,023 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/apache-get-tag.i.p+sep-reducer.c[1000,1013] [2024-09-20 20:08:56,032 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/apache-get-tag.i.p+sep-reducer.c[1215,1228] [2024-09-20 20:08:56,481 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/apache-get-tag.i.p+sep-reducer.c[83573,83586] [2024-09-20 20:08:56,485 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/apache-get-tag.i.p+sep-reducer.c[83794,83807] [2024-09-20 20:08:56,494 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/apache-get-tag.i.p+sep-reducer.c[84257,84270] [2024-09-20 20:08:56,497 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/apache-get-tag.i.p+sep-reducer.c[84478,84491] [2024-09-20 20:08:56,504 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/apache-get-tag.i.p+sep-reducer.c[84801,84814] [2024-09-20 20:08:56,508 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/apache-get-tag.i.p+sep-reducer.c[85022,85035] [2024-09-20 20:08:56,511 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/apache-get-tag.i.p+sep-reducer.c[85521,85534] [2024-09-20 20:08:56,520 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/apache-get-tag.i.p+sep-reducer.c[85742,85755] [2024-09-20 20:08:56,525 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/apache-get-tag.i.p+sep-reducer.c[86050,86063] [2024-09-20 20:08:56,529 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/apache-get-tag.i.p+sep-reducer.c[86271,86284] [2024-09-20 20:08:56,532 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/apache-get-tag.i.p+sep-reducer.c[86594,86607] [2024-09-20 20:08:56,536 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/apache-get-tag.i.p+sep-reducer.c[86815,86828] [2024-09-20 20:08:56,540 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/apache-get-tag.i.p+sep-reducer.c[87258,87271] [2024-09-20 20:08:56,543 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/apache-get-tag.i.p+sep-reducer.c[87479,87492] [2024-09-20 20:08:56,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:56,583 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 20:08:56,595 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/apache-get-tag.i.p+sep-reducer.c[1000,1013] [2024-09-20 20:08:56,599 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/apache-get-tag.i.p+sep-reducer.c[1215,1228] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 20:08:56,809 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/apache-get-tag.i.p+sep-reducer.c[83573,83586] [2024-09-20 20:08:56,813 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/apache-get-tag.i.p+sep-reducer.c[83794,83807] [2024-09-20 20:08:56,817 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/apache-get-tag.i.p+sep-reducer.c[84257,84270] [2024-09-20 20:08:56,819 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/apache-get-tag.i.p+sep-reducer.c[84478,84491] [2024-09-20 20:08:56,822 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/apache-get-tag.i.p+sep-reducer.c[84801,84814] [2024-09-20 20:08:56,825 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/apache-get-tag.i.p+sep-reducer.c[85022,85035] [2024-09-20 20:08:56,828 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/apache-get-tag.i.p+sep-reducer.c[85521,85534] [2024-09-20 20:08:56,830 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/apache-get-tag.i.p+sep-reducer.c[85742,85755] [2024-09-20 20:08:56,833 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/apache-get-tag.i.p+sep-reducer.c[86050,86063] [2024-09-20 20:08:56,836 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/apache-get-tag.i.p+sep-reducer.c[86271,86284] [2024-09-20 20:08:56,838 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/apache-get-tag.i.p+sep-reducer.c[86594,86607] [2024-09-20 20:08:56,840 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/apache-get-tag.i.p+sep-reducer.c[86815,86828] [2024-09-20 20:08:56,844 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/apache-get-tag.i.p+sep-reducer.c[87258,87271] [2024-09-20 20:08:56,846 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/apache-get-tag.i.p+sep-reducer.c[87479,87492] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 20:08:56,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:56,877 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:08:56,878 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:56 WrapperNode [2024-09-20 20:08:56,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:56,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:08:56,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:08:56,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:08:56,893 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 08:08:56" (1/1) ... [2024-09-20 20:08:56,894 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 08:08:56" (1/1) ... [2024-09-20 20:08:56,930 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 08:08:56" (1/1) ... [2024-09-20 20:08:56,985 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 20:08:56,985 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 08:08:56" (1/1) ... [2024-09-20 20:08:56,985 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 08:08:56" (1/1) ... [2024-09-20 20:08:57,030 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 08:08:56" (1/1) ... [2024-09-20 20:08:57,084 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 08:08:56" (1/1) ... [2024-09-20 20:08:57,092 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 08:08:56" (1/1) ... [2024-09-20 20:08:57,106 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 08:08:56" (1/1) ... [2024-09-20 20:08:57,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:08:57,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:08:57,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:08:57,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:08:57,126 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 08:08:56" (1/1) ... [2024-09-20 20:08:57,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:57,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:08:57,154 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 20:08:57,156 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 20:08:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:08:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:08:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:08:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:08:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:08:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:08:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:08:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:08:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:08:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:08:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:08:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:08:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:08:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:08:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 20:08:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:08:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-20 20:08:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-20 20:08:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:08:57,428 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:08:57,430 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:08:58,829 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:08:58,896 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:08:58,897 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 20:08:58,901 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:08:58 BoogieIcfgContainer [2024-09-20 20:08:58,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:08:58,902 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:08:58,902 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:08:58,903 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:08:58,903 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:08:55" (1/4) ... [2024-09-20 20:08:58,904 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@45c48b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:08:58, skipping insertion in model container [2024-09-20 20:08:58,904 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 08:08:55" (2/4) ... [2024-09-20 20:08:58,904 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@45c48b14 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:08:58, skipping insertion in model container [2024-09-20 20:08:58,904 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 08:08:56" (3/4) ... [2024-09-20 20:08:58,905 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@45c48b14 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:08:58, skipping insertion in model container [2024-09-20 20:08:58,905 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 08:08:58" (4/4) ... [2024-09-20 20:08:58,907 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.p+sep-reducer.c [2024-09-20 20:08:58,910 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 20:08:58,911 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 20:08:58,911 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:08:58,912 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 314 edges. [2024-09-20 20:08:58,913 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 444 edges. [2024-09-20 20:08:58,914 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-20 20:08:58,914 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-20 20:08:58,915 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr23ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-20 20:08:58,916 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 469 edges. [2024-09-20 20:08:58,916 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 313 edges. [2024-09-20 20:08:58,917 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 267 edges. [2024-09-20 20:08:58,917 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-20 20:08:58,918 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr26ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-20 20:08:58,918 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-20 20:08:58,919 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 451 edges. [2024-09-20 20:08:58,919 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 243 edges. [2024-09-20 20:08:58,919 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr22ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-20 20:08:58,920 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 469 edges. [2024-09-20 20:08:58,921 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 252 edges. [2024-09-20 20:08:58,921 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 437 edges. [2024-09-20 20:08:58,922 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr21ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-20 20:08:58,922 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr24ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-20 20:08:58,923 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-20 20:08:58,923 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr25ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-20 20:08:58,924 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 253 edges. [2024-09-20 20:08:58,924 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 267 edges. [2024-09-20 20:08:58,925 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-20 20:08:58,925 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-20 20:08:58,926 INFO L131 InvariantChecker]: Will check 27 loop-free subgraphs from procedure entry to error location [2024-09-20 20:08:59,056 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 20:08:59,057 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:59,059 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:59,060 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:59,061 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:59,063 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,081 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 20:08:59,082 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,082 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:59,082 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:59,083 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:59,083 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:59,104 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:08:59,202 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:08:59,202 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:59,202 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:59,204 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:59,204 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:59,204 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,209 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:08:59,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,209 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:59,209 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:59,210 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:59,210 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:59,213 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:08:59,317 INFO L314 BlockEncoder]: Initial Icfg 254 locations, 314 edges [2024-09-20 20:08:59,318 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:59,318 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:59,318 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:59,319 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:59,320 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:03,234 INFO L101 BaseMinimizeStates]: Removed 1125 edges and 251 locations by large block encoding [2024-09-20 20:09:03,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:03,235 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:03,236 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:03,236 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:04,091 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-20 20:09:04,092 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 20:09:04,098 INFO L158 Benchmark]: Toolchain (without parser) took 8451.90ms. Allocated memory was 174.1MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 97.6MB in the beginning and 758.1MB in the end (delta: -660.5MB). Peak memory consumption was 372.7MB. Max. memory is 16.1GB. [2024-09-20 20:09:04,099 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:04,100 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:04,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1230.34ms. Allocated memory is still 174.1MB. Free memory was 97.3MB in the beginning and 72.5MB in the end (delta: 24.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-20 20:09:04,101 INFO L158 Benchmark]: Boogie Preprocessor took 245.28ms. Allocated memory is still 174.1MB. Free memory was 72.5MB in the beginning and 135.0MB in the end (delta: -62.5MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-09-20 20:09:04,102 INFO L158 Benchmark]: RCFGBuilder took 1776.33ms. Allocated memory was 174.1MB in the beginning and 234.9MB in the end (delta: 60.8MB). Free memory was 135.0MB in the beginning and 158.8MB in the end (delta: -23.8MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2024-09-20 20:09:04,103 INFO L158 Benchmark]: Referee took 5193.79ms. Allocated memory was 234.9MB in the beginning and 1.2GB in the end (delta: 968.9MB). Free memory was 158.8MB in the beginning and 758.1MB in the end (delta: -599.3MB). Peak memory consumption was 370.6MB. Max. memory is 16.1GB. [2024-09-20 20:09:04,106 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 0.16ms. Allocated memory is still 117.4MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1230.34ms. Allocated memory is still 174.1MB. Free memory was 97.3MB in the beginning and 72.5MB in the end (delta: 24.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 245.28ms. Allocated memory is still 174.1MB. Free memory was 72.5MB in the beginning and 135.0MB in the end (delta: -62.5MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1776.33ms. Allocated memory was 174.1MB in the beginning and 234.9MB in the end (delta: 60.8MB). Free memory was 135.0MB in the beginning and 158.8MB in the end (delta: -23.8MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. * Referee took 5193.79ms. Allocated memory was 234.9MB in the beginning and 1.2GB in the end (delta: 968.9MB). Free memory was 158.8MB in the beginning and 758.1MB in the end (delta: -599.3MB). Peak memory consumption was 370.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:09:04,130 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/apache-get-tag.i.p+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+sep-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-ca4ee3d-m [2024-09-20 20:09:06,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:09:06,454 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:09:06,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:09:06,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:09:06,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:09:06,489 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:09:06,490 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:09:06,490 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:09:06,490 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:09:06,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:09:06,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:09:06,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:09:06,492 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:09:06,492 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:09:06,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:09:06,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:09:06,493 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:09:06,493 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:09:06,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:09:06,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:09:06,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:09:06,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:09:06,497 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:09:06,497 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:09:06,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:09:06,498 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:09:06,498 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:09:06,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:09:06,499 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:09:06,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:09:06,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:09:06,500 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:09:06,501 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:09:06,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:09:06,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:06,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:09:06,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:09:06,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:09:06,503 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:09:06,503 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:09:06,504 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:09:06,504 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:09:06,505 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:09:06,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:09:06,505 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:09:06,505 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:09:06,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:09:06,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:09:06,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:09:06,814 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:09:06,828 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:09:06,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+sep-reducer.yml/witness-2.1.yml [2024-09-20 20:09:06,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:09:06,898 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:09:06,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2024-09-20 20:09:08,627 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:09:08,954 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:09:08,955 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2024-09-20 20:09:08,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2f99f266a/0fb9e440d9de4676b68daaa16a70098b/FLAG85478dc27 [2024-09-20 20:09:08,999 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2f99f266a/0fb9e440d9de4676b68daaa16a70098b [2024-09-20 20:09:09,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:09:09,001 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:09:09,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:09,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:09:09,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:09:09,009 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 08:09:06" (1/2) ... [2024-09-20 20:09:09,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41c98502 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:09, skipping insertion in model container [2024-09-20 20:09:09,010 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 08:09:06" (1/2) ... [2024-09-20 20:09:09,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40be07f3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:09, skipping insertion in model container [2024-09-20 20:09:09,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:09" (2/2) ... [2024-09-20 20:09:09,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41c98502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:09, skipping insertion in model container [2024-09-20 20:09:09,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:09" (2/2) ... [2024-09-20 20:09:09,084 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:09:09,086 INFO L1541 ArrayList]: Location invariant before [L404-L552] (0 < ((long long) main__t + 1)) [2024-09-20 20:09:09,086 INFO L1541 ArrayList]: Location invariant before [L128-L645] (((((((((((__tmp_148_0 == \old(__tmp_148_0)) && (\old(__tmp_179_1) == __tmp_179_1)) && (\old(__tmp_218_0) == __tmp_218_0)) && (0 <= main__t)) && (__tmp_2390_0 == \old(__tmp_2390_0))) && (\old(__tmp_179_2) == __tmp_179_2)) && (__tmp_109_1 == \old(__tmp_109_1))) && (__tmp_109_0 == \old(__tmp_109_0))) && (\old(__return_2583) == __return_2583)) && (__tmp_2390_1 == \old(__tmp_2390_1))) && (\old(__tmp_179_0) == __tmp_179_0)) [2024-09-20 20:09:09,086 INFO L1541 ArrayList]: Location invariant before [L475-L475] (0 < ((long long) main__t + 1)) [2024-09-20 20:09:09,086 INFO L1541 ArrayList]: Location invariant before [L4770-L4920] ((((long long) main__t + 1) <= main__tagbuf_len) && (61 <= main__t)) [2024-09-20 20:09:09,086 INFO L1541 ArrayList]: Location invariant before [L360-L554] (0 < ((long long) main__t + 1)) [2024-09-20 20:09:09,087 INFO L1541 ArrayList]: Location invariant before [L335-L335] (0 < ((long long) main__t + 1)) [2024-09-20 20:09:09,087 INFO L1541 ArrayList]: Location invariant before [L4734-L4921] ((61 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-20 20:09:09,087 INFO L1541 ArrayList]: Location invariant before [L4665-L4938] ((59 <= main__t) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-20 20:09:09,087 INFO L1541 ArrayList]: Location invariant before [L31-L5293] ((0 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-20 20:09:09,087 INFO L1541 ArrayList]: Location invariant before [L264-L599] (0 < ((long long) main__t + 1)) [2024-09-20 20:09:09,087 INFO L1541 ArrayList]: Location invariant before [L68-L5292] (0 < ((long long) main__t + 1)) [2024-09-20 20:09:09,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:09:09,415 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/apache-get-tag.i.p+sep-reducer.c[1000,1013] [2024-09-20 20:09:09,427 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/apache-get-tag.i.p+sep-reducer.c[1215,1228] [2024-09-20 20:09:09,866 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/apache-get-tag.i.p+sep-reducer.c[83573,83586] [2024-09-20 20:09:09,871 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/apache-get-tag.i.p+sep-reducer.c[83794,83807] [2024-09-20 20:09:09,876 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/apache-get-tag.i.p+sep-reducer.c[84257,84270] [2024-09-20 20:09:09,880 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/apache-get-tag.i.p+sep-reducer.c[84478,84491] [2024-09-20 20:09:09,885 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/apache-get-tag.i.p+sep-reducer.c[84801,84814] [2024-09-20 20:09:09,892 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/apache-get-tag.i.p+sep-reducer.c[85022,85035] [2024-09-20 20:09:09,897 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/apache-get-tag.i.p+sep-reducer.c[85521,85534] [2024-09-20 20:09:09,902 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/apache-get-tag.i.p+sep-reducer.c[85742,85755] [2024-09-20 20:09:09,907 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/apache-get-tag.i.p+sep-reducer.c[86050,86063] [2024-09-20 20:09:09,911 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/apache-get-tag.i.p+sep-reducer.c[86271,86284] [2024-09-20 20:09:09,914 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/apache-get-tag.i.p+sep-reducer.c[86594,86607] [2024-09-20 20:09:09,918 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/apache-get-tag.i.p+sep-reducer.c[86815,86828] [2024-09-20 20:09:09,923 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/apache-get-tag.i.p+sep-reducer.c[87258,87271] [2024-09-20 20:09:09,927 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/apache-get-tag.i.p+sep-reducer.c[87479,87492] [2024-09-20 20:09:09,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:09,970 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 20:09:09,982 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/apache-get-tag.i.p+sep-reducer.c[1000,1013] [2024-09-20 20:09:09,984 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/apache-get-tag.i.p+sep-reducer.c[1215,1228] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 20:09:10,207 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/apache-get-tag.i.p+sep-reducer.c[83573,83586] [2024-09-20 20:09:10,210 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/apache-get-tag.i.p+sep-reducer.c[83794,83807] [2024-09-20 20:09:10,213 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/apache-get-tag.i.p+sep-reducer.c[84257,84270] [2024-09-20 20:09:10,216 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/apache-get-tag.i.p+sep-reducer.c[84478,84491] [2024-09-20 20:09:10,219 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/apache-get-tag.i.p+sep-reducer.c[84801,84814] [2024-09-20 20:09:10,221 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/apache-get-tag.i.p+sep-reducer.c[85022,85035] [2024-09-20 20:09:10,224 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/apache-get-tag.i.p+sep-reducer.c[85521,85534] [2024-09-20 20:09:10,227 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/apache-get-tag.i.p+sep-reducer.c[85742,85755] [2024-09-20 20:09:10,229 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/apache-get-tag.i.p+sep-reducer.c[86050,86063] [2024-09-20 20:09:10,232 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86271,86284] [2024-09-20 20:09:10,235 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/apache-get-tag.i.p+sep-reducer.c[86594,86607] [2024-09-20 20:09:10,237 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/apache-get-tag.i.p+sep-reducer.c[86815,86828] [2024-09-20 20:09:10,241 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/apache-get-tag.i.p+sep-reducer.c[87258,87271] [2024-09-20 20:09:10,243 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[87479,87492] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 20:09:10,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:10,297 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:09:10,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:10 WrapperNode [2024-09-20 20:09:10,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:10,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:09:10,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:09:10,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:09:10,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:10" (1/1) ... [2024-09-20 20:09:10,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:10" (1/1) ... [2024-09-20 20:09:10,354 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:10" (1/1) ... [2024-09-20 20:09:10,406 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 20:09:10,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:10" (1/1) ... [2024-09-20 20:09:10,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:10" (1/1) ... [2024-09-20 20:09:10,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:10" (1/1) ... [2024-09-20 20:09:10,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:10" (1/1) ... [2024-09-20 20:09:10,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:10" (1/1) ... [2024-09-20 20:09:10,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:10" (1/1) ... [2024-09-20 20:09:10,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:09:10,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:09:10,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:09:10,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:09:10,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:10" (1/1) ... [2024-09-20 20:09:10,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:10,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:09:10,571 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 20:09:10,575 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 20:09:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:09:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:09:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:09:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:09:10,620 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:09:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:09:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:09:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:09:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:09:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:09:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:09:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:09:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:09:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:09:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-20 20:09:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:09:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-20 20:09:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-20 20:09:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:09:10,895 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:09:10,897 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:09:12,696 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:09:12,757 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:09:12,761 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 20:09:12,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:12 BoogieIcfgContainer [2024-09-20 20:09:12,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:09:12,763 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:09:12,765 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:09:12,765 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:09:12,766 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 08:09:06" (1/4) ... [2024-09-20 20:09:12,766 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@413692e8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:09:12, skipping insertion in model container [2024-09-20 20:09:12,766 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:09:09" (2/4) ... [2024-09-20 20:09:12,766 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@413692e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:12, skipping insertion in model container [2024-09-20 20:09:12,766 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:10" (3/4) ... [2024-09-20 20:09:12,767 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@413692e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:12, skipping insertion in model container [2024-09-20 20:09:12,767 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:12" (4/4) ... [2024-09-20 20:09:12,768 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.p+sep-reducer.c [2024-09-20 20:09:12,772 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 20:09:12,773 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 20:09:12,773 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:09:12,774 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 314 edges. [2024-09-20 20:09:12,775 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 444 edges. [2024-09-20 20:09:12,777 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-20 20:09:12,777 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-20 20:09:12,778 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr23ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-20 20:09:12,779 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 469 edges. [2024-09-20 20:09:12,779 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 313 edges. [2024-09-20 20:09:12,780 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 267 edges. [2024-09-20 20:09:12,780 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-20 20:09:12,781 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr26ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-20 20:09:12,781 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-20 20:09:12,782 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 451 edges. [2024-09-20 20:09:12,782 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 243 edges. [2024-09-20 20:09:12,783 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr22ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-20 20:09:12,783 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 469 edges. [2024-09-20 20:09:12,784 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 252 edges. [2024-09-20 20:09:12,784 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 437 edges. [2024-09-20 20:09:12,785 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr21ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-20 20:09:12,785 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr24ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-20 20:09:12,786 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-20 20:09:12,787 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr25ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-20 20:09:12,787 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 253 edges. [2024-09-20 20:09:12,788 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 267 edges. [2024-09-20 20:09:12,788 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-20 20:09:12,789 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-20 20:09:12,789 INFO L131 InvariantChecker]: Will check 27 loop-free subgraphs from procedure entry to error location [2024-09-20 20:09:12,952 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 20:09:12,953 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:12,953 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:12,954 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:12,954 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:12,956 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:12,976 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 20:09:12,977 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:12,978 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:12,978 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:12,979 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:12,979 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:13,004 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:13,117 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:09:13,117 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:13,117 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:13,118 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:13,118 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:13,118 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:13,120 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:09:13,120 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:13,120 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:13,121 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:13,121 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:13,121 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:13,123 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:13,252 INFO L314 BlockEncoder]: Initial Icfg 254 locations, 314 edges [2024-09-20 20:09:13,253 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:13,253 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:13,253 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:13,253 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:13,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,149 INFO L101 BaseMinimizeStates]: Removed 1124 edges and 251 locations by large block encoding [2024-09-20 20:09:18,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,150 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:18,150 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:18,150 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:19,019 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-20 20:09:19,020 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 20:09:19,024 INFO L158 Benchmark]: Toolchain (without parser) took 10022.43ms. Allocated memory was 92.3MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 68.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 778.4MB. Max. memory is 16.1GB. [2024-09-20 20:09:19,025 INFO L158 Benchmark]: Witness Parser took 0.27ms. Allocated memory is still 62.9MB. Free memory was 34.7MB in the beginning and 34.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:19,025 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:19,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1295.08ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 59.8MB in the end (delta: 8.7MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2024-09-20 20:09:19,026 INFO L158 Benchmark]: Boogie Preprocessor took 230.90ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 46.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:09:19,027 INFO L158 Benchmark]: RCFGBuilder took 2231.18ms. Allocated memory was 92.3MB in the beginning and 136.3MB in the end (delta: 44.0MB). Free memory was 46.6MB in the beginning and 66.9MB in the end (delta: -20.3MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-09-20 20:09:19,027 INFO L158 Benchmark]: Referee took 6260.20ms. Allocated memory was 136.3MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 66.9MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 733.0MB. Max. memory is 16.1GB. [2024-09-20 20:09:19,030 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.27ms. Allocated memory is still 62.9MB. Free memory was 34.7MB in the beginning and 34.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1295.08ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 59.8MB in the end (delta: 8.7MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 230.90ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 46.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 2231.18ms. Allocated memory was 92.3MB in the beginning and 136.3MB in the end (delta: 44.0MB). Free memory was 46.6MB in the beginning and 66.9MB in the end (delta: -20.3MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Referee took 6260.20ms. Allocated memory was 136.3MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 66.9MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 733.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:09:19,062 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