./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_20x0-2.c --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/sum_20x0-2.yml/output/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/recursive-simple/sum_20x0-2.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/sum_20x0-2.yml/output/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:12:12,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:12:12,173 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:12:12,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:12:12,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:12:12,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:12:12,228 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:12:12,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:12:12,228 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:12:12,229 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:12:12,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:12:12,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:12:12,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:12:12,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:12:12,230 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:12:12,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:12:12,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:12:12,231 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:12:12,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:12:12,236 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:12:12,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:12:12,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:12:12,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:12:12,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:12:12,244 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:12:12,244 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:12:12,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:12:12,244 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:12:12,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:12:12,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:12:12,245 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:12:12,245 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:12:12,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:12:12,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:12:12,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:12:12,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:12:12,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:12:12,246 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:12:12,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:12:12,246 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:12:12,247 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:12:12,249 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:12:12,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:12:12,250 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:12:12,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:12:12,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:12:12,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:12:12,653 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:12:12,653 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:12:12,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2024-09-21 19:12:13,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:12:14,119 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:12:14,120 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2024-09-21 19:12:14,127 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1441d622e/10b2122d158b4ed5967bb4de02942ee0/FLAG7ad5a6998 [2024-09-21 19:12:14,535 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1441d622e/10b2122d158b4ed5967bb4de02942ee0 [2024-09-21 19:12:14,537 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:12:14,540 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:12:14,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/sum_20x0-2.yml/output/witness-2.1.yml [2024-09-21 19:12:14,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:12:14,596 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:12:14,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:14,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:12:14,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:12:14,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:14" (1/2) ... [2024-09-21 19:12:14,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4303041b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:14, skipping insertion in model container [2024-09-21 19:12:14,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:14" (1/2) ... [2024-09-21 19:12:14,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48f348e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:14, skipping insertion in model container [2024-09-21 19:12:14,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:12:14" (2/2) ... [2024-09-21 19:12:14,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4303041b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:14, skipping insertion in model container [2024-09-21 19:12:14,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:12:14" (2/2) ... [2024-09-21 19:12:14,614 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:12:14,615 INFO L1541 ArrayList]: Function contract at [L13]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:12:14,617 INFO L1541 ArrayList]: Function contract at [L5]: requires (m == (2) && n == (18)) || (m == (3) && n == (17)) || (m == (6) && n == (14)) || (m == (19) && n == (1)) || (m == (16) && n == (4)) || (m == (4) && n == (16)) || (m == (10) && n == (10)) || (m == (1) && n == (19)) || (m == (15) && n == (5)) || (m == (11) && n == (9)) || (m == (14) && n == (6)) || (m == (20) && n == (0)) || (m == (0) && n == (20)) || (m == (18) && n == (2)) || (m == (17) && n == (3)) || (m == (5) && n == (15)) || (m == (7) && n == (13)) || (m == (8) && n == (12)) || (m == (12) && n == (8)) || (m == (9) && n == (11)) || (m == (13) && n == (7)), ensures (!(m == (11) && n == (9)) || ( esult == (20))) && (!(m == (13) && n == (7)) || ( esult == (20))) && (!(m == (8) && n == (12)) || ( esult == (20))) && (!(m == (2) && n == (18)) || ( esult == (20))) && (!(m == (0) && n == (20)) || ( esult == (20))) && (!(m == (12) && n == (8)) || ( esult == (20))) && (!(m == (1) && n == (19)) || ( esult == (20))) && (!(m == (4) && n == (16)) || ( esult == (20))) && (!(m == (16) && n == (4)) || ( esult == (20))) && (!(m == (14) && n == (6)) || ( esult == (20))) && (!(m == (10) && n == (10)) || ( esult == (20))) && (!(m == (19) && n == (1)) || ( esult == (20))) && (!(m == (15) && n == (5)) || ( esult == (20))) && (!(m == (9) && n == (11)) || ( esult == (20))) && (!(m == (7) && n == (13)) || ( esult == (20))) && (!(m == (17) && n == (3)) || ( esult == (20))) && (!(m == (5) && n == (15)) || ( esult == (20))) && (!(m == (3) && n == (17)) || ( esult == (20))) && (!(m == (20) && n == (0)) || ( esult == (20))) && (!(m == (18) && n == (2)) || ( esult == (20))) && (!(m == (6) && n == (14)) || ( esult == (20))) [2024-09-21 19:12:14,630 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:12:14,810 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/sum_20x0-2.c[481,494] [2024-09-21 19:12:14,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:12:14,840 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:12:14,876 ERROR L321 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: esult [2024-09-21 19:12:14,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48f348e4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:14, skipping insertion in model container [2024-09-21 19:12:14,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:14,877 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2024-09-21 19:12:14,878 INFO L158 Benchmark]: Toolchain (without parser) took 281.39ms. Allocated memory is still 167.8MB. Free memory was 95.1MB in the beginning and 135.2MB in the end (delta: -40.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-09-21 19:12:14,879 INFO L158 Benchmark]: CDTParser took 3.83ms. Allocated memory is still 167.8MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:14,879 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:14,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.32ms. Allocated memory is still 167.8MB. Free memory was 94.9MB in the beginning and 135.2MB in the end (delta: -40.3MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-09-21 19:12:14,881 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.83ms. Allocated memory is still 167.8MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.32ms. Allocated memory is still 167.8MB. Free memory was 94.9MB in the beginning and 135.2MB in the end (delta: -40.3MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 6]: Incorrect Syntax Undeclared variable in ACSL expression: esult RESULT: Ultimate could not prove your program: Incorrect Syntax 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/11.0.12-open/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/recursive-simple/sum_20x0-2.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/sum_20x0-2.yml/output/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:12:17,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:12:17,177 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 19:12:17,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:12:17,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:12:17,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:12:17,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:12:17,213 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:12:17,214 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:12:17,214 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:12:17,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:12:17,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:12:17,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:12:17,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:12:17,216 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:12:17,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:12:17,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:12:17,217 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:12:17,217 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:12:17,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:12:17,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:12:17,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:12:17,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:12:17,219 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 19:12:17,219 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 19:12:17,219 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:12:17,219 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 19:12:17,219 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:12:17,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:12:17,220 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:12:17,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:12:17,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:12:17,220 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:12:17,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:12:17,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:12:17,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:12:17,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:12:17,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:12:17,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:12:17,223 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 19:12:17,223 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 19:12:17,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:12:17,223 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:12:17,223 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:12:17,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:12:17,224 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 19:12:17,224 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:12:17,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:12:17,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:12:17,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:12:17,504 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:12:17,504 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:12:17,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/sum_20x0-2.yml/output/witness-2.1.yml [2024-09-21 19:12:17,556 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:12:17,557 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:12:17,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2024-09-21 19:12:19,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:12:19,218 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:12:19,219 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2024-09-21 19:12:19,226 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f38f1a6c4/74eb462257014817a66fa6b57d879dd5/FLAGbf20ebff5 [2024-09-21 19:12:19,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f38f1a6c4/74eb462257014817a66fa6b57d879dd5 [2024-09-21 19:12:19,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:12:19,624 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:12:19,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:19,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:12:19,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:12:19,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:12:17" (1/2) ... [2024-09-21 19:12:19,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1078570a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:19, skipping insertion in model container [2024-09-21 19:12:19,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:12:17" (1/2) ... [2024-09-21 19:12:19,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16ae6203 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:19, skipping insertion in model container [2024-09-21 19:12:19,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:19" (2/2) ... [2024-09-21 19:12:19,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1078570a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:19, skipping insertion in model container [2024-09-21 19:12:19,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:19" (2/2) ... [2024-09-21 19:12:19,640 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:12:19,643 INFO L1541 ArrayList]: Function contract at [L13]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:12:19,643 INFO L1541 ArrayList]: Function contract at [L5]: requires (m == (2) && n == (18)) || (m == (3) && n == (17)) || (m == (6) && n == (14)) || (m == (19) && n == (1)) || (m == (16) && n == (4)) || (m == (4) && n == (16)) || (m == (10) && n == (10)) || (m == (1) && n == (19)) || (m == (15) && n == (5)) || (m == (11) && n == (9)) || (m == (14) && n == (6)) || (m == (20) && n == (0)) || (m == (0) && n == (20)) || (m == (18) && n == (2)) || (m == (17) && n == (3)) || (m == (5) && n == (15)) || (m == (7) && n == (13)) || (m == (8) && n == (12)) || (m == (12) && n == (8)) || (m == (9) && n == (11)) || (m == (13) && n == (7)), ensures (!(m == (11) && n == (9)) || ( esult == (20))) && (!(m == (13) && n == (7)) || ( esult == (20))) && (!(m == (8) && n == (12)) || ( esult == (20))) && (!(m == (2) && n == (18)) || ( esult == (20))) && (!(m == (0) && n == (20)) || ( esult == (20))) && (!(m == (12) && n == (8)) || ( esult == (20))) && (!(m == (1) && n == (19)) || ( esult == (20))) && (!(m == (4) && n == (16)) || ( esult == (20))) && (!(m == (16) && n == (4)) || ( esult == (20))) && (!(m == (14) && n == (6)) || ( esult == (20))) && (!(m == (10) && n == (10)) || ( esult == (20))) && (!(m == (19) && n == (1)) || ( esult == (20))) && (!(m == (15) && n == (5)) || ( esult == (20))) && (!(m == (9) && n == (11)) || ( esult == (20))) && (!(m == (7) && n == (13)) || ( esult == (20))) && (!(m == (17) && n == (3)) || ( esult == (20))) && (!(m == (5) && n == (15)) || ( esult == (20))) && (!(m == (3) && n == (17)) || ( esult == (20))) && (!(m == (20) && n == (0)) || ( esult == (20))) && (!(m == (18) && n == (2)) || ( esult == (20))) && (!(m == (6) && n == (14)) || ( esult == (20))) [2024-09-21 19:12:19,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:12:19,821 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/sum_20x0-2.c[481,494] [2024-09-21 19:12:19,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:12:19,840 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:12:19,888 ERROR L321 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: esult [2024-09-21 19:12:19,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16ae6203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:19, skipping insertion in model container [2024-09-21 19:12:19,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:19,891 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2024-09-21 19:12:19,893 INFO L158 Benchmark]: Toolchain (without parser) took 268.36ms. Allocated memory is still 90.2MB. Free memory was 50.5MB in the beginning and 63.9MB in the end (delta: -13.4MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-09-21 19:12:19,894 INFO L158 Benchmark]: Witness Parser took 0.78ms. Allocated memory is still 52.4MB. Free memory was 29.7MB in the beginning and 29.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:19,895 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 27.5MB in the beginning and 27.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:19,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.31ms. Allocated memory is still 90.2MB. Free memory was 50.4MB in the beginning and 63.9MB in the end (delta: -13.5MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-09-21 19:12:19,897 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.78ms. Allocated memory is still 52.4MB. Free memory was 29.7MB in the beginning and 29.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 27.5MB in the beginning and 27.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.31ms. Allocated memory is still 90.2MB. Free memory was 50.4MB in the beginning and 63.9MB in the end (delta: -13.5MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 6]: Incorrect Syntax Undeclared variable in ACSL expression: esult RESULT: Ultimate could not prove your program: Incorrect Syntax Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN