./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 de325976 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-de32597-m [2024-09-17 19:38:37,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:38:37,409 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:38:37,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:38:37,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:38:37,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:38:37,435 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:38:37,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:38:37,436 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:38:37,437 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:38:37,437 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:38:37,438 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:38:37,438 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:38:37,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:38:37,441 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:38:37,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:38:37,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:38:37,441 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:38:37,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:38:37,442 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:38:37,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:38:37,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:38:37,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:38:37,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:38:37,447 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:38:37,447 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:38:37,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:38:37,448 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:38:37,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:38:37,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:38:37,448 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:38:37,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:38:37,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:38:37,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:38:37,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:38:37,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:38:37,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:38:37,450 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:38:37,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:38:37,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:38:37,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:38:37,451 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:38:37,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:38:37,451 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:38:37,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:38:37,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:38:37,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:38:37,765 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:38:37,765 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:38:37,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-17 19:38:39,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:38:39,424 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:38:39,426 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-17 19:38:39,437 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8166f5502/af4fac5fd553486ea15d77e0e106166a/FLAGe55fdde4d [2024-09-17 19:38:39,455 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8166f5502/af4fac5fd553486ea15d77e0e106166a [2024-09-17 19:38:39,457 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:38:39,459 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:38:39,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-17 19:38:39,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:38:39,512 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:38:39,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:38:39,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:38:39,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:38:39,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:38:39" (1/2) ... [2024-09-17 19:38:39,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@324f4676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:39, skipping insertion in model container [2024-09-17 19:38:39,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:38:39" (1/2) ... [2024-09-17 19:38:39,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d07d51e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:39, skipping insertion in model container [2024-09-17 19:38:39,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:39" (2/2) ... [2024-09-17 19:38:39,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@324f4676 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:39, skipping insertion in model container [2024-09-17 19:38:39,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:39" (2/2) ... [2024-09-17 19:38:39,527 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:38:39,528 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))))) [2024-09-17 19:38:39,528 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))) [2024-09-17 19:38:39,528 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))))) [2024-09-17 19:38:39,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:38:39,707 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-17 19:38:39,712 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] [2024-09-17 19:38:39,714 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-17 19:38:39,715 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-17 19:38:39,717 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-17 19:38:39,718 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-17 19:38:39,725 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-17 19:38:39,726 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] [2024-09-17 19:38:39,728 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] [2024-09-17 19:38:39,730 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] [2024-09-17 19:38:39,733 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] [2024-09-17 19:38:39,736 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] [2024-09-17 19:38:39,738 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] [2024-09-17 19:38:39,739 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-17 19:38:39,745 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] [2024-09-17 19:38:39,747 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] [2024-09-17 19:38:39,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:38:39,765 INFO L200 MainTranslator]: Completed pre-run [2024-09-17 19:38:39,780 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] [2024-09-17 19:38:39,781 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] [2024-09-17 19:38:39,783 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] [2024-09-17 19:38:39,784 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] [2024-09-17 19:38:39,785 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] [2024-09-17 19:38:39,786 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] [2024-09-17 19:38:39,788 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] [2024-09-17 19:38:39,789 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] [2024-09-17 19:38:39,791 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] [2024-09-17 19:38:39,796 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] [2024-09-17 19:38:39,798 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] [2024-09-17 19:38:39,803 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] [2024-09-17 19:38:39,804 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-17 19:38:39,806 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] [2024-09-17 19:38:39,812 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] [2024-09-17 19:38:39,813 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-17 19:38:39,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:38:39,882 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:38:39,882 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:39 WrapperNode [2024-09-17 19:38:39,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:38:39,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:38:39,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:38:39,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:38:39,896 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 17.09 07:38:39" (1/1) ... [2024-09-17 19:38:39,897 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 17.09 07:38:39" (1/1) ... [2024-09-17 19:38:39,923 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 17.09 07:38:39" (1/1) ... [2024-09-17 19:38:39,942 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]. [2024-09-17 19:38:39,942 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 17.09 07:38:39" (1/1) ... [2024-09-17 19:38:39,943 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 17.09 07:38:39" (1/1) ... [2024-09-17 19:38:39,953 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 17.09 07:38:39" (1/1) ... [2024-09-17 19:38:39,959 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 17.09 07:38:39" (1/1) ... [2024-09-17 19:38:39,961 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 17.09 07:38:39" (1/1) ... [2024-09-17 19:38:39,962 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 17.09 07:38:39" (1/1) ... [2024-09-17 19:38:39,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:38:39,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:38:39,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:38:39,967 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:38:39,969 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 17.09 07:38:39" (1/1) ... [2024-09-17 19:38:39,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:38:39,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:38:39,994 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) [2024-09-17 19:38:39,996 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 [2024-09-17 19:38:40,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:38:40,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:38:40,046 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:38:40,046 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:38:40,046 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:38:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:38:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:38:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:38:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:38:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:38:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:38:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-17 19:38:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:38:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:38:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-17 19:38:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:38:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-17 19:38:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-17 19:38:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:38:40,159 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:38:40,162 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:38:40,392 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:38:40,431 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:38:40,432 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-17 19:38:40,432 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:38:40 BoogieIcfgContainer [2024-09-17 19:38:40,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:38:40,433 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:38:40,433 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:38:40,434 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:38:40,434 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:38:39" (1/4) ... [2024-09-17 19:38:40,435 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@766cb3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:38:40, skipping insertion in model container [2024-09-17 19:38:40,435 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:39" (2/4) ... [2024-09-17 19:38:40,435 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@766cb3b5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:38:40, skipping insertion in model container [2024-09-17 19:38:40,435 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 17.09 07:38:39" (3/4) ... [2024-09-17 19:38:40,436 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@766cb3b5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:38:40, skipping insertion in model container [2024-09-17 19:38:40,436 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:38:40" (4/4) ... [2024-09-17 19:38:40,437 INFO L79 RefereeObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-17 19:38:40,443 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-17 19:38:40,444 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-17 19:38:40,444 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:40,445 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:40,445 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:40,445 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:40,446 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:40,446 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:40,446 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:40,446 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:40,448 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:40,448 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-17 19:38:40,448 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:40,448 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:40,448 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:40,449 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:40,451 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-17 19:38:40,451 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:40,451 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:40,451 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:40,452 INFO L131 InvariantChecker]: Will check 19 loop-free subgraphs from procedure entry to error location [2024-09-17 19:38:40,520 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-17 19:38:40,521 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:40,522 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:40,522 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:40,523 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:40,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:40,649 INFO L101 BaseMinimizeStates]: Removed 65 edges and 25 locations by large block encoding [2024-09-17 19:38:40,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:40,650 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:40,650 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:40,651 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:40,675 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:40,703 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:40,703 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:40,703 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:40,704 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:40,704 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:40,704 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:40,846 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:40,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:40,847 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:40,848 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:40,848 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:40,870 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:40,890 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:40,890 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:40,890 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:40,890 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:40,890 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:40,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:40,966 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:40,966 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:40,966 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:40,966 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:40,966 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:40,983 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:40,998 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:40,998 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:40,998 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:40,999 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:40,999 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:40,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,078 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:41,078 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,078 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:41,079 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:41,079 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:41,103 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:41,122 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:41,124 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:41,124 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:41,124 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:41,125 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:41,126 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,236 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:41,236 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,236 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:41,236 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:41,237 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:41,249 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:41,260 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:41,260 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:41,261 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:41,261 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:41,261 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:41,261 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,335 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:41,335 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,335 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:41,336 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:41,336 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:41,348 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:41,355 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:41,355 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:41,355 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:41,355 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:41,355 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:41,356 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,429 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:41,429 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,429 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:41,429 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:41,429 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:41,439 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:41,450 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:41,450 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:41,451 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:41,451 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:41,451 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:41,451 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,523 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-17 19:38:41,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,523 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:41,524 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:41,524 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:41,535 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:41,544 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:41,545 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:41,545 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:41,546 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:41,546 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:41,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,605 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-17 19:38:41,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,606 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:41,606 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:41,606 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:41,621 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:41,630 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:41,630 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:41,630 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:41,630 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:41,631 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:41,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,724 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-17 19:38:41,725 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,725 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:41,725 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:41,725 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:41,742 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:41,753 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-17 19:38:41,753 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:41,754 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:41,754 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:41,754 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:41,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,804 INFO L101 BaseMinimizeStates]: Removed 64 edges and 25 locations by large block encoding [2024-09-17 19:38:41,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,805 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:41,805 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:41,805 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:41,814 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:41,823 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:41,825 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:41,825 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:41,825 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:41,825 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:41,825 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,877 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:41,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,880 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:41,880 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:41,880 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:41,891 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:41,897 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:41,897 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:41,897 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:41,898 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:41,898 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:41,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,970 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:41,971 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:41,971 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:41,971 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:41,971 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:41,979 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:41,985 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:41,985 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:41,986 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:41,986 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:41,986 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:41,986 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:42,030 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-17 19:38:42,030 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:42,030 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:42,031 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:42,031 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:42,041 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:42,047 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:42,048 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:42,048 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:42,048 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:42,048 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:42,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:42,093 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:42,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:42,093 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:42,094 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:42,094 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:42,101 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:42,108 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-17 19:38:42,108 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:42,108 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:42,108 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:42,109 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:42,109 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:42,158 INFO L101 BaseMinimizeStates]: Removed 67 edges and 25 locations by large block encoding [2024-09-17 19:38:42,159 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:42,159 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:42,160 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:42,162 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:42,171 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-17 19:38:42,173 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-17 19:38:42,181 INFO L158 Benchmark]: Toolchain (without parser) took 2667.96ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 99.9MB in the beginning and 69.0MB in the end (delta: 30.9MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. [2024-09-17 19:38:42,181 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:38:42,182 INFO L158 Benchmark]: Witness Parser took 1.27ms. Allocated memory is still 155.2MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:38:42,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.39ms. Allocated memory is still 155.2MB. Free memory was 99.9MB in the beginning and 79.3MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-17 19:38:42,182 INFO L158 Benchmark]: Boogie Preprocessor took 82.10ms. Allocated memory is still 155.2MB. Free memory was 79.3MB in the beginning and 124.0MB in the end (delta: -44.6MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-09-17 19:38:42,183 INFO L158 Benchmark]: RCFGBuilder took 465.82ms. Allocated memory is still 155.2MB. Free memory was 124.0MB in the beginning and 108.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:38:42,183 INFO L158 Benchmark]: Referee took 1746.74ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 108.4MB in the beginning and 69.0MB in the end (delta: 39.4MB). Peak memory consumption was 122.6MB. Max. memory is 16.1GB. [2024-09-17 19:38:42,186 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.27ms. Allocated memory is still 155.2MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.39ms. Allocated memory is still 155.2MB. Free memory was 99.9MB in the beginning and 79.3MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.10ms. Allocated memory is still 155.2MB. Free memory was 79.3MB in the beginning and 124.0MB in the end (delta: -44.6MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * RCFGBuilder took 465.82ms. Allocated memory is still 155.2MB. Free memory was 124.0MB in the beginning and 108.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 1746.74ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 108.4MB in the beginning and 69.0MB in the end (delta: 39.4MB). Peak memory consumption was 122.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:38:42,229 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-de32597-m [2024-09-17 19:38:44,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:38:44,506 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-17 19:38:44,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:38:44,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:38:44,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:38:44,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:38:44,547 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:38:44,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:38:44,550 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:38:44,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:38:44,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:38:44,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:38:44,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:38:44,552 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:38:44,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:38:44,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:38:44,557 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:38:44,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:38:44,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:38:44,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:38:44,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:38:44,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:38:44,559 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-17 19:38:44,559 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-17 19:38:44,560 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:38:44,560 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-17 19:38:44,560 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:38:44,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:38:44,561 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:38:44,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:38:44,563 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:38:44,563 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:38:44,563 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:38:44,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:38:44,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:38:44,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:38:44,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:38:44,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:38:44,565 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-17 19:38:44,566 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-17 19:38:44,566 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:38:44,566 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:38:44,566 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:38:44,567 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:38:44,567 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-17 19:38:44,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:38:44,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:38:44,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:38:44,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:38:44,941 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:38:44,945 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:38:44,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-17 19:38:46,541 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:38:46,747 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:38:46,748 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-17 19:38:46,762 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/be1a0b72a/09247ed8666e4f92b380e414f3f2a63b/FLAG58f8f0a9a [2024-09-17 19:38:46,779 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/be1a0b72a/09247ed8666e4f92b380e414f3f2a63b [2024-09-17 19:38:46,781 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:38:46,782 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:38:46,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-17 19:38:46,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:38:46,847 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:38:46,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:38:46,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:38:46,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:38:46,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:38:46" (1/2) ... [2024-09-17 19:38:46,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50110c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:46, skipping insertion in model container [2024-09-17 19:38:46,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:38:46" (1/2) ... [2024-09-17 19:38:46,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48b9d23f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:46, skipping insertion in model container [2024-09-17 19:38:46,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:46" (2/2) ... [2024-09-17 19:38:46,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50110c41 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:46, skipping insertion in model container [2024-09-17 19:38:46,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:46" (2/2) ... [2024-09-17 19:38:46,870 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:38:46,872 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))))) [2024-09-17 19:38:46,872 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))) [2024-09-17 19:38:46,872 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))))) [2024-09-17 19:38:46,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:38:47,076 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] [2024-09-17 19:38:47,084 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] [2024-09-17 19:38:47,090 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] [2024-09-17 19:38:47,095 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] [2024-09-17 19:38:47,097 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] [2024-09-17 19:38:47,103 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] [2024-09-17 19:38:47,106 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] [2024-09-17 19:38:47,107 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] [2024-09-17 19:38:47,109 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] [2024-09-17 19:38:47,112 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] [2024-09-17 19:38:47,117 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] [2024-09-17 19:38:47,118 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] [2024-09-17 19:38:47,121 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] [2024-09-17 19:38:47,123 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] [2024-09-17 19:38:47,126 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] [2024-09-17 19:38:47,128 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] [2024-09-17 19:38:47,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:38:47,149 INFO L200 MainTranslator]: Completed pre-run [2024-09-17 19:38:47,165 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] [2024-09-17 19:38:47,169 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] [2024-09-17 19:38:47,171 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] [2024-09-17 19:38:47,173 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] [2024-09-17 19:38:47,174 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] [2024-09-17 19:38:47,175 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] [2024-09-17 19:38:47,184 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] [2024-09-17 19:38:47,185 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] [2024-09-17 19:38:47,186 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] [2024-09-17 19:38:47,187 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] [2024-09-17 19:38:47,188 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] [2024-09-17 19:38:47,194 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] [2024-09-17 19:38:47,195 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] [2024-09-17 19:38:47,196 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] [2024-09-17 19:38:47,202 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] [2024-09-17 19:38:47,204 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 [2024-09-17 19:38:47,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:38:47,301 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:38:47,302 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:47 WrapperNode [2024-09-17 19:38:47,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:38:47,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:38:47,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:38:47,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:38:47,320 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 17.09 07:38:47" (1/1) ... [2024-09-17 19:38:47,320 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 17.09 07:38:47" (1/1) ... [2024-09-17 19:38:47,333 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 17.09 07:38:47" (1/1) ... [2024-09-17 19:38:47,354 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]. [2024-09-17 19:38:47,354 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 17.09 07:38:47" (1/1) ... [2024-09-17 19:38:47,354 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 17.09 07:38:47" (1/1) ... [2024-09-17 19:38:47,372 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 17.09 07:38:47" (1/1) ... [2024-09-17 19:38:47,375 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 17.09 07:38:47" (1/1) ... [2024-09-17 19:38:47,377 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 17.09 07:38:47" (1/1) ... [2024-09-17 19:38:47,378 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 17.09 07:38:47" (1/1) ... [2024-09-17 19:38:47,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:38:47,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:38:47,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:38:47,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:38:47,387 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 17.09 07:38:47" (1/1) ... [2024-09-17 19:38:47,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:38:47,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:38:47,422 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) [2024-09-17 19:38:47,425 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 [2024-09-17 19:38:47,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:38:47,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:38:47,466 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:38:47,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:38:47,467 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:38:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:38:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:38:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:38:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:38:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:38:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:38:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-17 19:38:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:38:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:38:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-17 19:38:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:38:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-17 19:38:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-17 19:38:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:38:47,549 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:38:47,552 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:38:47,971 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:38:48,024 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:38:48,026 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-17 19:38:48,026 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:38:48 BoogieIcfgContainer [2024-09-17 19:38:48,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:38:48,028 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:38:48,028 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:38:48,029 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:38:48,030 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:38:46" (1/4) ... [2024-09-17 19:38:48,030 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7c524cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:38:48, skipping insertion in model container [2024-09-17 19:38:48,031 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:46" (2/4) ... [2024-09-17 19:38:48,031 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7c524cb1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:38:48, skipping insertion in model container [2024-09-17 19:38:48,031 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 17.09 07:38:47" (3/4) ... [2024-09-17 19:38:48,032 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7c524cb1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:38:48, skipping insertion in model container [2024-09-17 19:38:48,032 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:38:48" (4/4) ... [2024-09-17 19:38:48,033 INFO L79 RefereeObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-17 19:38:48,037 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-17 19:38:48,038 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-17 19:38:48,038 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:48,039 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:48,039 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:48,039 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:48,039 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:48,041 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:48,041 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:48,041 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:48,042 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:48,042 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-17 19:38:48,042 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:48,043 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:48,043 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:48,043 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:48,044 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-17 19:38:48,044 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:48,044 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:48,044 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-17 19:38:48,045 INFO L131 InvariantChecker]: Will check 19 loop-free subgraphs from procedure entry to error location [2024-09-17 19:38:48,124 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-17 19:38:48,125 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:48,125 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:48,126 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:48,128 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:48,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:48,306 INFO L101 BaseMinimizeStates]: Removed 65 edges and 25 locations by large block encoding [2024-09-17 19:38:48,309 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:48,309 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:48,309 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:48,310 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:48,346 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:48,375 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:48,377 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:48,377 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:48,377 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:48,377 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:48,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:48,495 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:48,496 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:48,496 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:48,496 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:48,496 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:48,513 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:48,530 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:48,531 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:48,531 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:48,532 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:48,532 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:48,532 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:48,615 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:48,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:48,615 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:48,615 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:48,615 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:48,640 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:48,658 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:48,658 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:48,659 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:48,659 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:48,659 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:48,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:48,750 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:48,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:48,751 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:48,751 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:48,751 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:48,766 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:48,777 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:48,778 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:48,778 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:48,778 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:48,778 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:48,778 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:48,875 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:48,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:48,876 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:48,876 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:48,876 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:48,890 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:48,905 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:48,906 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:48,906 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:48,906 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:48,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:48,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,002 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:49,004 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,004 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:49,004 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:49,004 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:49,019 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:49,036 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:49,036 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:49,036 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:49,036 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:49,036 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:49,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,117 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:49,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,117 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:49,117 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:49,117 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:49,136 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:49,150 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:49,150 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:49,151 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:49,151 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:49,151 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:49,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,225 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-17 19:38:49,225 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,225 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:49,225 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:49,225 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:49,239 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:49,250 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:49,250 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:49,250 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:49,250 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:49,250 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:49,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,325 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-17 19:38:49,325 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,326 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:49,326 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:49,326 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:49,340 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:49,350 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:49,350 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:49,350 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:49,351 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:49,351 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:49,351 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,442 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-17 19:38:49,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,442 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:49,443 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:49,443 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:49,464 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:49,476 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-17 19:38:49,477 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:49,477 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:49,477 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:49,477 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:49,478 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,545 INFO L101 BaseMinimizeStates]: Removed 64 edges and 25 locations by large block encoding [2024-09-17 19:38:49,545 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,545 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:49,545 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:49,545 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:49,574 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:49,585 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:49,585 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:49,585 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:49,585 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:49,585 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:49,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,637 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:49,637 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,637 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:49,637 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:49,637 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:49,647 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:49,655 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:49,656 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:49,656 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:49,656 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:49,656 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:49,656 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,735 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:49,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,735 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:49,735 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:49,735 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:49,758 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:49,767 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:49,767 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:49,768 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:49,768 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:49,768 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:49,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,825 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-17 19:38:49,825 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,825 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:49,825 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:49,826 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:49,838 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:49,846 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-17 19:38:49,846 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:49,846 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:49,847 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:49,847 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:49,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,916 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-17 19:38:49,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,916 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:49,917 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:49,917 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:49,927 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:38:49,935 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-17 19:38:49,936 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:49,937 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:49,937 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:49,937 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:49,937 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,987 INFO L101 BaseMinimizeStates]: Removed 67 edges and 25 locations by large block encoding [2024-09-17 19:38:49,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:49,988 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:49,990 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:49,990 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:50,002 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-17 19:38:50,004 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-17 19:38:50,009 INFO L158 Benchmark]: Toolchain (without parser) took 3161.28ms. Allocated memory was 73.4MB in the beginning and 169.9MB in the end (delta: 96.5MB). Free memory was 51.7MB in the beginning and 77.8MB in the end (delta: -26.0MB). Peak memory consumption was 106.1MB. Max. memory is 16.1GB. [2024-09-17 19:38:50,010 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory was 31.2MB in the beginning and 31.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:38:50,011 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 73.4MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:38:50,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.22ms. Allocated memory is still 73.4MB. Free memory was 51.5MB in the beginning and 50.1MB in the end (delta: 1.5MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-09-17 19:38:50,012 INFO L158 Benchmark]: Boogie Preprocessor took 80.27ms. Allocated memory is still 73.4MB. Free memory was 49.8MB in the beginning and 47.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:38:50,012 INFO L158 Benchmark]: RCFGBuilder took 643.55ms. Allocated memory is still 73.4MB. Free memory was 46.9MB in the beginning and 44.9MB in the end (delta: 2.0MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-09-17 19:38:50,014 INFO L158 Benchmark]: Referee took 1980.01ms. Allocated memory was 73.4MB in the beginning and 169.9MB in the end (delta: 96.5MB). Free memory was 44.9MB in the beginning and 77.8MB in the end (delta: -32.8MB). Peak memory consumption was 99.1MB. Max. memory is 16.1GB. [2024-09-17 19:38:50,016 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 0.13ms. Allocated memory is still 52.4MB. Free memory was 31.2MB in the beginning and 31.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 73.4MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.22ms. Allocated memory is still 73.4MB. Free memory was 51.5MB in the beginning and 50.1MB in the end (delta: 1.5MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.27ms. Allocated memory is still 73.4MB. Free memory was 49.8MB in the beginning and 47.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.55ms. Allocated memory is still 73.4MB. Free memory was 46.9MB in the beginning and 44.9MB in the end (delta: 2.0MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Referee took 1980.01ms. Allocated memory was 73.4MB in the beginning and 169.9MB in the end (delta: 96.5MB). Free memory was 44.9MB in the beginning and 77.8MB in the end (delta: -32.8MB). Peak memory consumption was 99.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:38:50,048 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug