./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 a9b967e5 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-dev-a9b967e-m [2024-09-12 16:48:05,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:48:05,163 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:48:05,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:48:05,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:48:05,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:48:05,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:48:05,188 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:48:05,189 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:48:05,189 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:48:05,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:48:05,190 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:48:05,191 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:48:05,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:48:05,191 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:48:05,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:48:05,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:48:05,193 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:48:05,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:48:05,193 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:48:05,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:48:05,194 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:48:05,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:48:05,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:48:05,195 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:48:05,196 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:48:05,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:48:05,196 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:48:05,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:48:05,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:48:05,197 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:48:05,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:48:05,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:05,201 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:48:05,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:48:05,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:48:05,208 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:48:05,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:48:05,209 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:48:05,209 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:48:05,209 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:48:05,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:48:05,211 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:48:05,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:48:05,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:48:05,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:48:05,454 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:48:05,455 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:48:05,456 INFO L431 ainManager$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 [2024-09-12 16:48:05,539 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:48:05,541 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:48:05,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-12 16:48:06,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:48:07,106 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:48:07,107 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-12 16:48:07,115 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/cddc5876c/e1086092d6f741afaf187d817300b574/FLAGcb2a0dd18 [2024-09-12 16:48:07,127 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/cddc5876c/e1086092d6f741afaf187d817300b574 [2024-09-12 16:48:07,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:48:07,128 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:48:07,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:07,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:48:07,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:48:07,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:05" (1/2) ... [2024-09-12 16:48:07,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e8a41d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:07, skipping insertion in model container [2024-09-12 16:48:07,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:05" (1/2) ... [2024-09-12 16:48:07,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19895e75 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:07, skipping insertion in model container [2024-09-12 16:48:07,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:07" (2/2) ... [2024-09-12 16:48:07,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e8a41d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:07, skipping insertion in model container [2024-09-12 16:48:07,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:07" (2/2) ... [2024-09-12 16:48:07,152 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:48:07,153 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))))) [2024-09-12 16:48:07,153 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) && ((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))))) [2024-09-12 16:48:07,154 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))) [2024-09-12 16:48:07,181 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:48:07,331 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,336 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,340 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,343 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,344 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,346 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,349 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,351 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,352 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,354 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,356 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,357 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,359 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,360 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,363 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,364 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:07,380 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 16:48:07,397 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,417 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,418 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,425 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,427 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,429 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,431 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,432 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,433 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,435 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,438 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,439 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,451 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,452 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,457 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:07,459 WARN L247 ndardFunctionHandler]: Function 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 [2024-09-12 16:48:07,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:07,534 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:48:07,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:07 WrapperNode [2024-09-12 16:48:07,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:07,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:48:07,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:48:07,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:48:07,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:07" (1/1) ... [2024-09-12 16:48:07,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:07" (1/1) ... [2024-09-12 16:48:07,562 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:07" (1/1) ... [2024-09-12 16:48:07,590 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]. [2024-09-12 16:48:07,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:07" (1/1) ... [2024-09-12 16:48:07,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:07" (1/1) ... [2024-09-12 16:48:07,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:07" (1/1) ... [2024-09-12 16:48:07,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:07" (1/1) ... [2024-09-12 16:48:07,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:07" (1/1) ... [2024-09-12 16:48:07,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:07" (1/1) ... [2024-09-12 16:48:07,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:48:07,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:48:07,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:48:07,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:48:07,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:07" (1/1) ... [2024-09-12 16:48:07,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:07,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:48:07,661 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) [2024-09-12 16:48:07,663 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 [2024-09-12 16:48:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:48:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:48:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:48:07,706 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:48:07,706 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:48:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:48:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:48:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:48:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:48:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:48:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:48:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 16:48:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:48:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:48:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-12 16:48:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:48:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-12 16:48:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-12 16:48:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:48:07,807 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:48:07,809 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:48:08,136 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-09-12 16:48:08,138 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:48:08,188 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:48:08,190 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 16:48:08,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:08 BoogieIcfgContainer [2024-09-12 16:48:08,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:48:08,192 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:48:08,192 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:48:08,193 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:48:08,193 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:05" (1/4) ... [2024-09-12 16:48:08,194 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d40e29b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:08, skipping insertion in model container [2024-09-12 16:48:08,194 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:48:07" (2/4) ... [2024-09-12 16:48:08,194 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d40e29b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:08, skipping insertion in model container [2024-09-12 16:48:08,194 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:07" (3/4) ... [2024-09-12 16:48:08,194 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d40e29b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:08, skipping insertion in model container [2024-09-12 16:48:08,194 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:08" (4/4) ... [2024-09-12 16:48:08,198 INFO L79 RefereeObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-12 16:48:08,201 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 16:48:08,202 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-12 16:48:08,203 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:08,203 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:08,203 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:08,204 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:08,204 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:08,205 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:08,205 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:08,205 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:08,205 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:08,205 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-12 16:48:08,206 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:08,206 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:08,206 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:08,206 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:08,206 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-12 16:48:08,207 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:08,207 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:08,207 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:08,207 INFO L130 InvariantChecker]: Will check 19 loop-free subgraphs from procedure entry to error location [2024-09-12 16:48:08,284 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-12 16:48:08,286 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:08,287 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:08,290 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:08,291 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:08,293 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:08,416 INFO L101 BaseMinimizeStates]: Removed 65 edges and 25 locations by large block encoding [2024-09-12 16:48:08,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:08,417 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:08,418 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:08,418 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:08,430 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:08,458 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:08,458 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:08,459 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:08,459 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:08,459 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:08,459 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:08,539 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:08,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:08,540 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:08,541 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:08,541 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:08,551 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:08,581 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:08,584 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:08,585 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:08,585 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:08,585 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:08,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:08,679 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:08,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:08,679 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:08,680 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:08,680 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:08,690 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:08,710 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:08,710 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:08,710 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:08,710 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:08,711 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:08,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:08,777 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:08,777 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:08,777 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:08,778 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:08,778 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:08,786 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:08,810 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:08,811 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:08,811 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:08,811 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:08,811 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:08,811 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:08,885 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:08,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:08,886 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:08,886 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:08,886 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:08,894 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:08,916 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:08,916 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:08,916 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:08,917 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:08,917 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:08,917 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:08,992 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:08,992 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:08,992 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:08,993 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:08,993 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:08,999 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:09,015 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:09,016 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:09,016 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:09,016 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:09,016 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:09,017 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,070 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:09,070 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,070 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:09,070 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:09,070 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:09,077 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:09,093 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:09,093 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:09,093 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:09,093 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:09,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:09,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,145 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-12 16:48:09,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,145 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:09,146 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:09,146 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:09,156 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:09,171 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:09,172 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:09,172 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:09,172 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:09,172 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:09,172 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,233 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-12 16:48:09,234 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,234 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:09,234 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:09,234 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:09,244 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:09,260 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:09,260 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:09,260 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:09,260 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:09,261 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:09,261 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,308 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-12 16:48:09,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,309 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:09,309 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:09,309 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:09,317 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:09,333 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-12 16:48:09,333 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:09,333 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:09,333 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:09,334 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:09,334 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,376 INFO L101 BaseMinimizeStates]: Removed 64 edges and 25 locations by large block encoding [2024-09-12 16:48:09,376 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,376 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:09,377 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:09,377 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:09,383 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:09,404 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:09,405 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:09,405 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:09,405 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:09,405 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:09,405 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,450 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:09,450 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,450 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:09,451 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:09,451 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:09,484 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:09,510 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:09,510 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:09,510 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:09,510 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:09,510 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:09,511 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,572 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:09,572 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,573 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:09,573 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:09,573 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:09,581 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:09,600 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:09,601 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:09,601 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:09,601 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:09,601 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:09,602 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,648 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-12 16:48:09,648 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,648 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:09,649 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:09,649 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:09,658 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:09,672 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:09,673 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:09,673 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:09,673 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:09,674 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:09,674 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,717 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:09,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,719 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:09,719 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:09,719 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:09,726 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:09,741 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-12 16:48:09,742 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:09,742 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:09,742 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:09,742 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:09,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,823 INFO L101 BaseMinimizeStates]: Removed 67 edges and 25 locations by large block encoding [2024-09-12 16:48:09,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:09,823 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:09,825 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:09,825 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:09,834 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-12 16:48:09,835 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-12 16:48:09,841 INFO L158 Benchmark]: Toolchain (without parser) took 2712.41ms. Allocated memory was 151.0MB in the beginning and 224.4MB in the end (delta: 73.4MB). Free memory was 78.0MB in the beginning and 179.1MB in the end (delta: -101.1MB). Peak memory consumption was 92.8MB. Max. memory is 16.1GB. [2024-09-12 16:48:09,842 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 151.0MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:09,842 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 151.0MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:09,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.41ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 77.7MB in the beginning and 154.6MB in the end (delta: -76.9MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-09-12 16:48:09,845 INFO L158 Benchmark]: Boogie Preprocessor took 91.38ms. Allocated memory is still 186.6MB. Free memory was 154.6MB in the beginning and 151.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:48:09,847 INFO L158 Benchmark]: RCFGBuilder took 563.60ms. Allocated memory is still 186.6MB. Free memory was 151.5MB in the beginning and 128.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-12 16:48:09,847 INFO L158 Benchmark]: Referee took 1647.82ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 128.4MB in the beginning and 179.1MB in the end (delta: -50.7MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB. [2024-09-12 16:48:09,850 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.11ms. Allocated memory is still 151.0MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.50ms. Allocated memory is still 151.0MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.41ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 77.7MB in the beginning and 154.6MB in the end (delta: -76.9MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.38ms. Allocated memory is still 186.6MB. Free memory was 154.6MB in the beginning and 151.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 563.60ms. Allocated memory is still 186.6MB. Free memory was 151.5MB in the beginning and 128.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 1647.82ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 128.4MB in the beginning and 179.1MB in the end (delta: -50.7MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:48:09,885 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:48:12,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:48:12,084 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 16:48:12,090 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:48:12,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:48:12,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:48:12,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:48:12,123 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:48:12,123 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:48:12,124 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:48:12,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:48:12,125 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:48:12,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:48:12,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:48:12,130 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:48:12,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:48:12,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:48:12,131 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:48:12,131 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:48:12,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:48:12,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:48:12,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:48:12,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:48:12,133 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 16:48:12,137 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 16:48:12,138 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:48:12,138 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 16:48:12,138 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:48:12,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:48:12,138 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:48:12,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:48:12,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:48:12,139 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:48:12,139 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:48:12,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:12,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:48:12,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:48:12,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:48:12,142 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 16:48:12,142 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 16:48:12,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:48:12,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:48:12,143 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:48:12,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:48:12,144 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 16:48:12,144 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:48:12,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:48:12,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:48:12,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:48:12,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:48:12,508 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:48:12,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-12 16:48:14,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:48:14,230 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:48:14,231 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-12 16:48:14,239 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bb8420bfb/841ed50943ad4447b6b1876f9b5f5684/FLAG4e95faa61 [2024-09-12 16:48:14,250 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bb8420bfb/841ed50943ad4447b6b1876f9b5f5684 [2024-09-12 16:48:14,252 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:48:14,253 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:48:14,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-12 16:48:14,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:48:14,305 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:48:14,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:14,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:48:14,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:48:14,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:14" (1/2) ... [2024-09-12 16:48:14,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@322c45f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:14, skipping insertion in model container [2024-09-12 16:48:14,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:14" (1/2) ... [2024-09-12 16:48:14,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@17ec1d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:14, skipping insertion in model container [2024-09-12 16:48:14,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:14" (2/2) ... [2024-09-12 16:48:14,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@322c45f3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:14, skipping insertion in model container [2024-09-12 16:48:14,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:14" (2/2) ... [2024-09-12 16:48:14,330 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:48:14,331 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))) [2024-09-12 16:48:14,331 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))))) [2024-09-12 16:48:14,332 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) && ((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))))) [2024-09-12 16:48:14,365 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:48:14,548 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,554 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,561 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,562 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,568 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,572 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,575 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,576 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,577 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,578 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,581 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,586 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,590 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,592 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,596 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,600 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:14,620 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 16:48:14,637 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,639 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,641 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,643 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,648 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,649 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,651 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,655 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,656 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,660 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,662 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,667 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,669 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,673 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,675 WARN L247 ndardFunctionHandler]: Function 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] [2024-09-12 16:48:14,680 WARN L247 ndardFunctionHandler]: Function 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 [2024-09-12 16:48:14,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:14,755 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:48:14,756 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:14 WrapperNode [2024-09-12 16:48:14,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:14,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:48:14,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:48:14,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:48:14,771 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 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,772 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 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,782 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 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,813 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]. [2024-09-12 16:48:14,814 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 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,814 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 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,827 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 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,831 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 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,835 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 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,840 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 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:48:14,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:48:14,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:48:14,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:48:14,847 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 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:14,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:48:14,879 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) [2024-09-12 16:48:14,882 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 [2024-09-12 16:48:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:48:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:48:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:48:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:48:14,929 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:48:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:48:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:48:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:48:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:48:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:48:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:48:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 16:48:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:48:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:48:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-12 16:48:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:48:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-12 16:48:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-12 16:48:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:48:15,039 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:48:15,042 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:48:15,396 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-09-12 16:48:15,397 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:48:15,443 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:48:15,445 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 16:48:15,446 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:15 BoogieIcfgContainer [2024-09-12 16:48:15,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:48:15,447 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:48:15,447 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:48:15,448 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:48:15,450 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:48:14" (1/4) ... [2024-09-12 16:48:15,450 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@510e46f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:15, skipping insertion in model container [2024-09-12 16:48:15,451 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:14" (2/4) ... [2024-09-12 16:48:15,451 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@510e46f0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:15, skipping insertion in model container [2024-09-12 16:48:15,451 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 12.09 04:48:14" (3/4) ... [2024-09-12 16:48:15,451 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@510e46f0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:15, skipping insertion in model container [2024-09-12 16:48:15,451 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:15" (4/4) ... [2024-09-12 16:48:15,452 INFO L79 RefereeObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-12 16:48:15,458 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 16:48:15,459 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-12 16:48:15,459 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:15,460 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:15,460 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:15,460 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:15,461 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:15,462 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:15,462 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:15,462 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:15,462 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:15,463 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-12 16:48:15,463 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:15,464 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:15,465 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:15,465 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:15,465 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-12 16:48:15,465 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:15,465 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:15,466 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-12 16:48:15,466 INFO L130 InvariantChecker]: Will check 19 loop-free subgraphs from procedure entry to error location [2024-09-12 16:48:15,563 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-12 16:48:15,564 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:15,564 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:15,565 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:15,566 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:15,568 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:15,702 INFO L101 BaseMinimizeStates]: Removed 65 edges and 25 locations by large block encoding [2024-09-12 16:48:15,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:15,704 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:15,704 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:15,705 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:15,720 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:15,766 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:15,766 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:15,766 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:15,766 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:15,767 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:15,767 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:15,859 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:15,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:15,860 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:15,861 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:15,861 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:15,871 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:15,903 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:15,904 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:15,904 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:15,904 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:15,904 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:15,905 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,000 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:16,001 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,001 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:16,001 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:16,001 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:16,011 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:16,034 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:16,035 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:16,035 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:16,035 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:16,035 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:16,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,114 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:16,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,114 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:16,114 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:16,115 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:16,122 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:16,141 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:16,142 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:16,142 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:16,143 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:16,143 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:16,143 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,216 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:16,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,218 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:16,218 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:16,218 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:16,231 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:16,259 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:16,260 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:16,260 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:16,260 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:16,260 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:16,261 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,339 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:16,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,339 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:16,339 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:16,340 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:16,348 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:16,366 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:16,366 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:16,366 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:16,366 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:16,367 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:16,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,439 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:16,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,440 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:16,440 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:16,440 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:16,448 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:16,468 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:16,470 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:16,470 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:16,470 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:16,470 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:16,471 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,536 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-12 16:48:16,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,536 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:16,536 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:16,537 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:16,546 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:16,564 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:16,565 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:16,565 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:16,565 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:16,565 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:16,565 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,617 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-12 16:48:16,618 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,618 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:16,618 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:16,618 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:16,629 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:16,658 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:16,659 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:16,659 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:16,659 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:16,659 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:16,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,708 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-12 16:48:16,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,709 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:16,709 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:16,709 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:16,719 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:16,736 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-12 16:48:16,736 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:16,737 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:16,737 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:16,737 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:16,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,806 INFO L101 BaseMinimizeStates]: Removed 64 edges and 25 locations by large block encoding [2024-09-12 16:48:16,807 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,807 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:16,807 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:16,807 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:16,817 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:16,839 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:16,839 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:16,839 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:16,839 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:16,840 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:16,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,894 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:16,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,894 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:16,894 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:16,894 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:16,901 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:16,917 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:16,918 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:16,918 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:16,918 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:16,918 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:16,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,986 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:16,986 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:16,986 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:16,986 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:16,986 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:16,993 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:17,008 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:17,008 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:17,009 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:17,009 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:17,009 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:17,009 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:17,064 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-12 16:48:17,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:17,065 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:17,065 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:17,065 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:17,076 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:17,094 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-12 16:48:17,094 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:17,094 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:17,094 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:17,095 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:17,095 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:17,163 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-12 16:48:17,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:17,163 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:17,164 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:17,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:17,172 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:48:17,190 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-12 16:48:17,191 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:17,191 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:17,191 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:17,191 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:17,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:17,250 INFO L101 BaseMinimizeStates]: Removed 67 edges and 25 locations by large block encoding [2024-09-12 16:48:17,250 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:17,250 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:17,251 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:17,254 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:17,263 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-12 16:48:17,264 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-12 16:48:17,270 INFO L158 Benchmark]: Toolchain (without parser) took 2964.26ms. Allocated memory was 77.6MB in the beginning and 142.6MB in the end (delta: 65.0MB). Free memory was 41.3MB in the beginning and 67.3MB in the end (delta: -26.0MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2024-09-12 16:48:17,272 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory was 33.6MB in the beginning and 33.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:17,273 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 77.6MB. Free memory was 43.4MB in the beginning and 43.2MB in the end (delta: 203.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:17,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.06ms. Allocated memory is still 77.6MB. Free memory was 41.1MB in the beginning and 40.0MB in the end (delta: 1.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-09-12 16:48:17,275 INFO L158 Benchmark]: Boogie Preprocessor took 85.31ms. Allocated memory is still 77.6MB. Free memory was 39.7MB in the beginning and 37.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:48:17,275 INFO L158 Benchmark]: RCFGBuilder took 599.72ms. Allocated memory is still 77.6MB. Free memory was 37.0MB in the beginning and 35.4MB in the end (delta: 1.6MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-09-12 16:48:17,276 INFO L158 Benchmark]: Referee took 1822.00ms. Allocated memory was 77.6MB in the beginning and 142.6MB in the end (delta: 65.0MB). Free memory was 35.4MB in the beginning and 67.3MB in the end (delta: -31.9MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2024-09-12 16:48:17,278 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 0.30ms. Allocated memory is still 54.5MB. Free memory was 33.6MB in the beginning and 33.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 77.6MB. Free memory was 43.4MB in the beginning and 43.2MB in the end (delta: 203.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.06ms. Allocated memory is still 77.6MB. Free memory was 41.1MB in the beginning and 40.0MB in the end (delta: 1.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.31ms. Allocated memory is still 77.6MB. Free memory was 39.7MB in the beginning and 37.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 599.72ms. Allocated memory is still 77.6MB. Free memory was 37.0MB in the beginning and 35.4MB in the end (delta: 1.6MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Referee took 1822.00ms. Allocated memory was 77.6MB in the beginning and 142.6MB in the end (delta: 65.0MB). Free memory was 35.4MB in the beginning and 67.3MB in the end (delta: -31.9MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:48:17,312 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