./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 04d6fb36 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:05:14,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:05:14,137 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:05:14,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:05:14,146 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:05:14,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:05:14,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:05:14,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:05:14,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:05:14,177 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:05:14,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:05:14,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:05:14,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:05:14,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:05:14,179 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:05:14,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:05:14,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:05:14,180 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:05:14,180 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:05:14,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:05:14,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:05:14,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:05:14,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:05:14,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:05:14,185 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:05:14,185 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:05:14,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:05:14,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:05:14,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:05:14,186 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:05:14,187 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:05:14,187 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:05:14,187 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:05:14,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:14,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:05:14,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:05:14,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:05:14,191 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:05:14,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:05:14,192 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:05:14,192 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:05:14,193 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:05:14,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:05:14,194 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:05:14,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:05:14,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:05:14,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:05:14,476 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:05:14,477 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:05:14,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-15 20:05:14,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:05:14,581 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:05:14,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-15 20:05:16,041 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:05:16,241 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:05:16,242 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-15 20:05:16,250 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/760762813/67a9e3f669c84d07a544c21d2662bff8/FLAGec96dee9d [2024-09-15 20:05:16,264 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/760762813/67a9e3f669c84d07a544c21d2662bff8 [2024-09-15 20:05:16,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:05:16,266 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:05:16,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:16,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:05:16,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:05:16,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:14" (1/2) ... [2024-09-15 20:05:16,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a751041 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:16, skipping insertion in model container [2024-09-15 20:05:16,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:14" (1/2) ... [2024-09-15 20:05:16,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65eb650 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:16, skipping insertion in model container [2024-09-15 20:05:16,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:16" (2/2) ... [2024-09-15 20:05:16,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a751041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:16, skipping insertion in model container [2024-09-15 20:05:16,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:16" (2/2) ... [2024-09-15 20:05:16,288 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:05:16,289 INFO L1541 ArrayList]: Location invariant before [L30-L311] (((\old(__return_334) == __return_334) && (((long long) main__limit + 4) <= main__bufsize)) && ((main__i == 0) || (0 < main__i))) [2024-09-15 20:05:16,289 INFO L1541 ArrayList]: Location invariant before [L38-L294] ((((((main__j == 0) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len)))) && (5 <= main__bufsize)) || (((((1 <= main__j) && (((long long) 5 + main__j) <= main__bufsize)) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len))))) [2024-09-15 20:05:16,289 INFO L1541 ArrayList]: Location invariant before [L34-L305] (((((1 <= main__i) && (1 <= main__j)) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) || ((((main__j == 0) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len))))) [2024-09-15 20:05:16,321 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:05:16,500 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-15 20:05:16,506 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-15 20:05:16,511 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-15 20:05:16,513 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-15 20:05:16,514 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-15 20:05:16,515 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-15 20:05:16,525 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/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-15 20:05:16,527 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-15 20:05:16,530 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-15 20:05:16,532 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/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-15 20:05:16,534 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-15 20:05:16,535 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-15 20:05:16,537 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-15 20:05:16,538 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-15 20:05:16,555 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-15 20:05:16,556 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2024-09-15 20:05:16,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:16,578 INFO L200 MainTranslator]: Completed pre-run [2024-09-15 20:05:16,594 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-15 20:05:16,596 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-15 20:05:16,597 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-15 20:05:16,599 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/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-15 20:05:16,602 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-15 20:05:16,607 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-15 20:05:16,609 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-15 20:05:16,614 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-15 20:05:16,616 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-15 20:05:16,617 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-15 20:05:16,623 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-15 20:05:16,625 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-15 20:05:16,629 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-15 20:05:16,631 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-15 20:05:16,635 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-15 20:05:16,637 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-15 20:05:16,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:16,710 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:05:16,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:16 WrapperNode [2024-09-15 20:05:16,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:16,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:05:16,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:05:16,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:05:16,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:16" (1/1) ... [2024-09-15 20:05:16,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:16" (1/1) ... [2024-09-15 20:05:16,736 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:16" (1/1) ... [2024-09-15 20:05:16,774 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]. [2024-09-15 20:05:16,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:16" (1/1) ... [2024-09-15 20:05:16,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:16" (1/1) ... [2024-09-15 20:05:16,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:16" (1/1) ... [2024-09-15 20:05:16,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:16" (1/1) ... [2024-09-15 20:05:16,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:16" (1/1) ... [2024-09-15 20:05:16,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:16" (1/1) ... [2024-09-15 20:05:16,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:05:16,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:05:16,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:05:16,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:05:16,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:16" (1/1) ... [2024-09-15 20:05:16,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:16,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:05:16,837 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) [2024-09-15 20:05:16,839 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 [2024-09-15 20:05:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:05:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:05:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:05:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:05:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:05:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:05:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:05:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:05:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:05:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:05:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:05:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-15 20:05:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:05:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:05:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-15 20:05:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:05:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-15 20:05:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-15 20:05:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:05:17,001 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:05:17,003 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:05:17,312 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:05:17,356 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:05:17,357 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-15 20:05:17,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:17 BoogieIcfgContainer [2024-09-15 20:05:17,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:05:17,358 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:05:17,359 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:05:17,359 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:05:17,360 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:14" (1/4) ... [2024-09-15 20:05:17,360 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@472b0893 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:17, skipping insertion in model container [2024-09-15 20:05:17,360 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:05:16" (2/4) ... [2024-09-15 20:05:17,361 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@472b0893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:05:17, skipping insertion in model container [2024-09-15 20:05:17,361 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:16" (3/4) ... [2024-09-15 20:05:17,361 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@472b0893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:05:17, skipping insertion in model container [2024-09-15 20:05:17,361 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:17" (4/4) ... [2024-09-15 20:05:17,363 INFO L79 RefereeObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-15 20:05:17,368 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-15 20:05:17,369 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-15 20:05:17,369 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:17,369 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:17,369 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:17,370 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:17,370 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:17,370 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:17,370 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:17,370 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:17,370 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:17,371 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-15 20:05:17,371 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:17,371 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:17,371 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:17,371 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:17,371 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-15 20:05:17,372 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:17,372 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:17,374 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:17,375 INFO L130 InvariantChecker]: Will check 19 loop-free subgraphs from procedure entry to error location [2024-09-15 20:05:17,440 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-15 20:05:17,441 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:17,441 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:17,442 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:17,446 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:17,448 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:17,620 INFO L101 BaseMinimizeStates]: Removed 65 edges and 25 locations by large block encoding [2024-09-15 20:05:17,621 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:17,621 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:17,624 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:17,625 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:17,651 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:17,684 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:17,684 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:17,684 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:17,684 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:17,684 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:17,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:17,829 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:17,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:17,831 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:17,831 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:17,831 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:17,848 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:17,868 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:17,868 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:17,869 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:17,869 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:17,869 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:17,870 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:17,950 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:17,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:17,951 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:17,952 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:17,952 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:17,966 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:17,978 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:17,978 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:17,978 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:17,978 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:17,978 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:17,979 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,050 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:18,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,050 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:18,051 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:18,051 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:18,063 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:18,075 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:18,076 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:18,076 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:18,076 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:18,076 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:18,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,170 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:18,171 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,171 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:18,172 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:18,173 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:18,186 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:18,197 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:18,197 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:18,197 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:18,198 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:18,198 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:18,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,284 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:18,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,285 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:18,286 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:18,286 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:18,299 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:18,311 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:18,311 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:18,311 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:18,312 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:18,312 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:18,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,379 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:18,383 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,383 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:18,384 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:18,384 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:18,412 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:18,426 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:18,426 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:18,426 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:18,427 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:18,428 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:18,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,514 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-15 20:05:18,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,515 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:18,515 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:18,516 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:18,532 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:18,542 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:18,542 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:18,543 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:18,543 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:18,543 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:18,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,599 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-15 20:05:18,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,600 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:18,600 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:18,600 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:18,614 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:18,624 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:18,624 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:18,625 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:18,625 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:18,625 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:18,625 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,688 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-15 20:05:18,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,689 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:18,689 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:18,689 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:18,703 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:18,731 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-15 20:05:18,732 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:18,732 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:18,732 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:18,732 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:18,732 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,779 INFO L101 BaseMinimizeStates]: Removed 64 edges and 25 locations by large block encoding [2024-09-15 20:05:18,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,780 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:18,782 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:18,782 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:18,792 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:18,802 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:18,802 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:18,802 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:18,803 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:18,803 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:18,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,857 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:18,857 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,858 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:18,858 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:18,858 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:18,869 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:18,877 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:18,878 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:18,878 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:18,878 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:18,878 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:18,878 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,930 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:18,930 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:18,931 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:18,931 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:18,931 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:18,940 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:18,947 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:18,948 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:18,948 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:18,948 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:18,948 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:18,948 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:19,024 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-15 20:05:19,027 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:19,027 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:19,027 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:19,027 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:19,038 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:19,044 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:19,045 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:19,045 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:19,045 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:19,045 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:19,046 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:19,089 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:19,089 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:19,089 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:19,090 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:19,090 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:19,097 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:19,106 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-15 20:05:19,107 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:19,107 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:19,107 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:19,107 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:19,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:19,150 INFO L101 BaseMinimizeStates]: Removed 67 edges and 25 locations by large block encoding [2024-09-15 20:05:19,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:19,151 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:19,154 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:19,154 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:19,164 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-15 20:05:19,165 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-15 20:05:19,173 INFO L158 Benchmark]: Toolchain (without parser) took 2906.42ms. Allocated memory was 182.5MB in the beginning and 224.4MB in the end (delta: 41.9MB). Free memory was 111.5MB in the beginning and 98.7MB in the end (delta: 12.7MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2024-09-15 20:05:19,173 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:19,175 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 182.5MB. Free memory is still 157.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:19,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.62ms. Allocated memory is still 182.5MB. Free memory was 111.3MB in the beginning and 148.3MB in the end (delta: -37.0MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-09-15 20:05:19,176 INFO L158 Benchmark]: Boogie Preprocessor took 86.92ms. Allocated memory is still 182.5MB. Free memory was 148.3MB in the beginning and 145.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-15 20:05:19,176 INFO L158 Benchmark]: RCFGBuilder took 558.94ms. Allocated memory is still 182.5MB. Free memory was 145.1MB in the beginning and 125.3MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-15 20:05:19,176 INFO L158 Benchmark]: Referee took 1812.98ms. Allocated memory was 182.5MB in the beginning and 224.4MB in the end (delta: 41.9MB). Free memory was 125.3MB in the beginning and 98.7MB in the end (delta: 26.6MB). Peak memory consumption was 106.1MB. Max. memory is 16.1GB. [2024-09-15 20:05:19,181 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 182.5MB. Free memory is still 157.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.62ms. Allocated memory is still 182.5MB. Free memory was 111.3MB in the beginning and 148.3MB in the end (delta: -37.0MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.92ms. Allocated memory is still 182.5MB. Free memory was 148.3MB in the beginning and 145.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 558.94ms. Allocated memory is still 182.5MB. Free memory was 145.1MB in the beginning and 125.3MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 1812.98ms. Allocated memory was 182.5MB in the beginning and 224.4MB in the end (delta: 41.9MB). Free memory was 125.3MB in the beginning and 98.7MB in the end (delta: 26.6MB). Peak memory consumption was 106.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:05:19,214 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:05:21,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:05:21,584 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:05:21,591 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:05:21,592 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:05:21,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:05:21,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:05:21,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:05:21,627 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:05:21,628 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:05:21,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:05:21,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:05:21,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:05:21,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:05:21,630 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:05:21,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:05:21,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:05:21,631 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:05:21,631 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:05:21,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:05:21,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:05:21,639 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:05:21,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:05:21,639 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:05:21,639 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:05:21,640 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:05:21,640 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:05:21,640 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:05:21,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:05:21,640 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:05:21,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:05:21,641 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:05:21,641 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:05:21,641 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:05:21,641 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:05:21,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:21,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:05:21,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:05:21,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:05:21,644 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:05:21,644 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:05:21,645 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:05:21,645 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:05:21,645 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:05:21,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:05:21,646 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:05:21,646 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:05:21,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:05:22,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:05:22,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:05:22,022 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:05:22,023 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:05:22,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-15 20:05:23,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:05:23,837 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:05:23,839 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-15 20:05:23,849 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a4ed63280/d4789ee338334ee2b3e7bd1b066d3228/FLAG7fff33b55 [2024-09-15 20:05:23,868 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a4ed63280/d4789ee338334ee2b3e7bd1b066d3228 [2024-09-15 20:05:23,871 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:05:23,872 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:05:23,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-15 20:05:23,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:05:23,932 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:05:23,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:23,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:05:23,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:05:23,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:23" (1/2) ... [2024-09-15 20:05:23,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb495c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:23, skipping insertion in model container [2024-09-15 20:05:23,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:23" (1/2) ... [2024-09-15 20:05:23,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f7f1904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:23, skipping insertion in model container [2024-09-15 20:05:23,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:23" (2/2) ... [2024-09-15 20:05:23,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb495c9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:23, skipping insertion in model container [2024-09-15 20:05:23,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:23" (2/2) ... [2024-09-15 20:05:23,958 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:05:23,958 INFO L1541 ArrayList]: Location invariant before [L30-L311] (((\old(__return_334) == __return_334) && (((long long) main__limit + 4) <= main__bufsize)) && ((main__i == 0) || (0 < main__i))) [2024-09-15 20:05:23,959 INFO L1541 ArrayList]: Location invariant before [L34-L305] (((((1 <= main__i) && (1 <= main__j)) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) || ((((main__j == 0) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len))))) [2024-09-15 20:05:23,959 INFO L1541 ArrayList]: Location invariant before [L38-L294] ((((((main__j == 0) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len)))) && (5 <= main__bufsize)) || (((((1 <= main__j) && (((long long) 5 + main__j) <= main__bufsize)) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len))))) [2024-09-15 20:05:23,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:05:24,198 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-15 20:05:24,210 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/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-15 20:05:24,213 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/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-15 20:05:24,218 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-15 20:05:24,220 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-15 20:05:24,224 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/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-15 20:05:24,229 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/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-15 20:05:24,234 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-15 20:05:24,236 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-15 20:05:24,240 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-15 20:05:24,243 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-15 20:05:24,246 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-15 20:05:24,248 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-15 20:05:24,250 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-15 20:05:24,252 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-15 20:05:24,255 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2024-09-15 20:05:24,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:24,276 INFO L200 MainTranslator]: Completed pre-run [2024-09-15 20:05:24,294 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-15 20:05:24,298 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-15 20:05:24,300 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-15 20:05:24,301 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-15 20:05:24,305 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-15 20:05:24,306 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-15 20:05:24,311 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-15 20:05:24,313 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-15 20:05:24,313 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-15 20:05:24,318 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-15 20:05:24,320 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-15 20:05:24,325 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-15 20:05:24,327 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-15 20:05:24,328 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-15 20:05:24,329 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-15 20:05:24,331 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-15 20:05:24,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:24,405 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:05:24,406 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:24 WrapperNode [2024-09-15 20:05:24,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:24,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:05:24,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:05:24,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:05:24,422 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 15.09 08:05:24" (1/1) ... [2024-09-15 20:05:24,423 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 15.09 08:05:24" (1/1) ... [2024-09-15 20:05:24,436 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 15.09 08:05:24" (1/1) ... [2024-09-15 20:05:24,464 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]. [2024-09-15 20:05:24,467 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 15.09 08:05:24" (1/1) ... [2024-09-15 20:05:24,467 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 15.09 08:05:24" (1/1) ... [2024-09-15 20:05:24,481 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 15.09 08:05:24" (1/1) ... [2024-09-15 20:05:24,490 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 15.09 08:05:24" (1/1) ... [2024-09-15 20:05:24,492 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 15.09 08:05:24" (1/1) ... [2024-09-15 20:05:24,493 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 15.09 08:05:24" (1/1) ... [2024-09-15 20:05:24,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:05:24,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:05:24,498 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:05:24,498 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:05:24,498 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 15.09 08:05:24" (1/1) ... [2024-09-15 20:05:24,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:24,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:05:24,532 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) [2024-09-15 20:05:24,536 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 [2024-09-15 20:05:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:05:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:05:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:05:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:05:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:05:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:05:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:05:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:05:24,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:05:24,585 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:05:24,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:05:24,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-15 20:05:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:05:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:05:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-15 20:05:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:05:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-15 20:05:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-15 20:05:24,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:05:24,685 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:05:24,688 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:05:25,066 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:05:25,138 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:05:25,139 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-15 20:05:25,140 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:25 BoogieIcfgContainer [2024-09-15 20:05:25,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:05:25,141 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:05:25,142 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:05:25,143 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:05:25,143 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:05:23" (1/4) ... [2024-09-15 20:05:25,144 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f95708c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:05:25, skipping insertion in model container [2024-09-15 20:05:25,144 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:23" (2/4) ... [2024-09-15 20:05:25,144 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f95708c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:25, skipping insertion in model container [2024-09-15 20:05:25,144 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 15.09 08:05:24" (3/4) ... [2024-09-15 20:05:25,145 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f95708c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:25, skipping insertion in model container [2024-09-15 20:05:25,145 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:25" (4/4) ... [2024-09-15 20:05:25,148 INFO L79 RefereeObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-15 20:05:25,152 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-15 20:05:25,153 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-15 20:05:25,154 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:25,154 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:25,154 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:25,154 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:25,155 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:25,155 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:25,155 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:25,157 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:25,157 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:25,157 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-15 20:05:25,157 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:25,157 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:25,158 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:25,158 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:25,158 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-15 20:05:25,158 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:25,158 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:25,158 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-15 20:05:25,159 INFO L130 InvariantChecker]: Will check 19 loop-free subgraphs from procedure entry to error location [2024-09-15 20:05:25,247 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-15 20:05:25,249 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:25,249 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:25,250 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:25,251 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:25,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:25,409 INFO L101 BaseMinimizeStates]: Removed 65 edges and 25 locations by large block encoding [2024-09-15 20:05:25,411 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:25,411 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:25,411 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:25,412 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:25,433 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:25,474 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:25,478 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:25,478 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:25,479 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:25,479 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:25,479 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:25,615 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:25,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:25,615 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:25,615 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:25,616 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:25,649 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:25,670 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:25,670 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:25,671 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:25,671 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:25,671 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:25,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:25,782 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:25,783 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:25,783 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:25,783 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:25,783 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:25,820 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:25,839 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:25,839 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:25,839 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:25,840 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:25,840 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:25,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:25,934 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:25,935 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:25,935 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:25,935 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:25,935 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:25,973 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:25,987 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:25,988 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:25,988 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:25,988 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:25,988 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:25,989 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,070 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:26,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,071 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:26,072 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:26,072 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:26,105 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:26,120 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:26,122 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:26,122 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:26,122 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:26,122 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:26,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,187 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:26,188 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,188 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:26,188 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:26,188 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:26,203 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:26,217 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:26,217 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:26,217 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:26,218 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:26,218 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:26,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,297 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:26,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,298 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:26,298 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:26,298 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:26,311 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:26,321 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:26,321 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:26,321 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:26,321 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:26,321 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:26,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,425 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-15 20:05:26,426 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,426 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:26,426 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:26,426 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:26,445 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:26,452 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:26,453 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:26,453 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:26,453 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:26,453 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:26,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,535 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-15 20:05:26,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,535 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:26,536 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:26,536 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:26,552 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:26,563 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:26,564 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:26,564 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:26,564 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:26,564 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:26,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,631 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-15 20:05:26,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,632 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:26,632 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:26,632 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:26,647 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:26,657 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-15 20:05:26,657 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:26,657 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:26,658 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:26,658 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:26,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,729 INFO L101 BaseMinimizeStates]: Removed 64 edges and 25 locations by large block encoding [2024-09-15 20:05:26,729 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,729 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:26,730 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:26,730 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:26,742 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:26,751 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:26,751 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:26,751 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:26,752 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:26,752 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:26,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,828 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:26,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,828 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:26,828 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:26,828 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:26,845 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:26,855 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:26,855 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:26,855 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:26,855 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:26,856 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:26,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,915 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:26,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:26,915 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:26,915 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:26,916 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:26,927 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:26,936 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:26,937 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:26,937 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:26,937 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:26,937 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:26,937 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:27,049 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-15 20:05:27,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:27,050 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:27,050 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:27,050 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:27,074 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:27,086 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-15 20:05:27,086 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:27,087 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:27,087 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:27,087 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:27,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:27,171 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-15 20:05:27,172 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:27,172 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:27,173 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:27,173 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:27,189 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:27,202 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-15 20:05:27,202 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:27,203 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:27,203 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:27,203 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:27,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:27,285 INFO L101 BaseMinimizeStates]: Removed 67 edges and 25 locations by large block encoding [2024-09-15 20:05:27,286 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:27,286 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:27,289 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:27,289 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:27,308 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-15 20:05:27,309 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-15 20:05:27,315 INFO L158 Benchmark]: Toolchain (without parser) took 3381.88ms. Allocated memory was 67.1MB in the beginning and 297.8MB in the end (delta: 230.7MB). Free memory was 34.8MB in the beginning and 135.9MB in the end (delta: -101.1MB). Peak memory consumption was 129.0MB. Max. memory is 16.1GB. [2024-09-15 20:05:27,316 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 48.2MB. Free memory was 29.1MB in the beginning and 29.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:27,317 INFO L158 Benchmark]: Witness Parser took 0.63ms. Allocated memory is still 67.1MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:27,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.26ms. Allocated memory is still 67.1MB. Free memory was 34.6MB in the beginning and 31.2MB in the end (delta: 3.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-09-15 20:05:27,318 INFO L158 Benchmark]: Boogie Preprocessor took 89.26ms. Allocated memory is still 67.1MB. Free memory was 31.2MB in the beginning and 45.8MB in the end (delta: -14.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-15 20:05:27,319 INFO L158 Benchmark]: RCFGBuilder took 642.82ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 45.8MB in the beginning and 64.6MB in the end (delta: -18.8MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-09-15 20:05:27,319 INFO L158 Benchmark]: Referee took 2171.80ms. Allocated memory was 90.2MB in the beginning and 297.8MB in the end (delta: 207.6MB). Free memory was 64.6MB in the beginning and 135.9MB in the end (delta: -71.3MB). Peak memory consumption was 135.6MB. Max. memory is 16.1GB. [2024-09-15 20:05:27,323 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 0.39ms. Allocated memory is still 48.2MB. Free memory was 29.1MB in the beginning and 29.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.63ms. Allocated memory is still 67.1MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.26ms. Allocated memory is still 67.1MB. Free memory was 34.6MB in the beginning and 31.2MB in the end (delta: 3.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.26ms. Allocated memory is still 67.1MB. Free memory was 31.2MB in the beginning and 45.8MB in the end (delta: -14.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 642.82ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 45.8MB in the beginning and 64.6MB in the end (delta: -18.8MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * Referee took 2171.80ms. Allocated memory was 90.2MB in the beginning and 297.8MB in the end (delta: 207.6MB). Free memory was 64.6MB in the beginning and 135.9MB in the end (delta: -71.3MB). Peak memory consumption was 135.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:05:27,358 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug