./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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_20x0-2.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/recursive-simple/sum_20x0-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_20x0-2.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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:13:30,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:13:30,771 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:13:30,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:13:30,779 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:13:30,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:13:30,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:13:30,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:13:30,817 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:13:30,820 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:13:30,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:13:30,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:13:30,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:13:30,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:13:30,822 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:13:30,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:13:30,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:13:30,823 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:13:30,823 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:13:30,823 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:13:30,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:13:30,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:13:30,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:13:30,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:13:30,826 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:13:30,827 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:13:30,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:13:30,827 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:13:30,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:13:30,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:13:30,828 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:13:30,829 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:13:30,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:13:30,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:13:30,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:13:30,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:13:30,830 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:13:30,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:13:30,830 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:13:30,831 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:13:30,831 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:13:30,831 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:13:30,831 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:13:31,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:13:31,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:13:31,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:13:31,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:13:31,127 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:13:31,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2024-09-12 20:13:32,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:13:32,879 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:13:32,879 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2024-09-12 20:13:32,889 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/727d978bc/76b4d80f44664fc39061189a394b15e4/FLAG4174a0f68 [2024-09-12 20:13:32,910 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/727d978bc/76b4d80f44664fc39061189a394b15e4 [2024-09-12 20:13:32,913 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:13:32,915 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:13:32,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum_20x0-2.yml/witness-2.1.yml [2024-09-12 20:13:32,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:13:32,988 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:13:32,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:13:32,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:13:32,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:13:32,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:13:32" (1/2) ... [2024-09-12 20:13:33,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73bf8770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:32, skipping insertion in model container [2024-09-12 20:13:33,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:13:32" (1/2) ... [2024-09-12 20:13:33,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3222e03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:33, skipping insertion in model container [2024-09-12 20:13:33,003 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 08:13:32" (2/2) ... [2024-09-12 20:13:33,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73bf8770 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:33, skipping insertion in model container [2024-09-12 20:13:33,003 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 08:13:32" (2/2) ... [2024-09-12 20:13:33,009 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:13:33,010 INFO L1541 ArrayList]: Function contract at [L5]: requires (((((((((((((((((((((((\old(m) <= 4) && (0 <= (\old(m) + 2147483648))) && (16 == \old(n))) || ((((1 <= \old(n)) && (\old(n) <= 11)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 9))) || ((((\old(n) <= 10) && (0 <= \old(n))) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 10))) || (((\old(n) == 0) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 20))) || (((0 <= (\old(m) + 2147483648)) && (\old(n) == 1)) && (\old(m) <= 19))) || (((18 == \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 2))) || (((\old(m) <= 7) && (0 <= (\old(m) + 2147483648))) && (\old(n) == 13))) || (((\old(m) <= 6) && (0 <= (\old(m) + 2147483648))) && (14 == \old(n)))) || ((((\old(m) <= 16) && (0 <= \old(n))) && (0 <= (\old(m) + 2147483648))) && (\old(n) <= 4))) || (((0 <= (\old(m) + 2147483648)) && (19 == \old(n))) && (\old(m) <= 1))) || (((6 == \old(n)) && (\old(m) <= 14)) && (0 <= (\old(m) + 2147483648)))) || (((\old(m) <= 12) && (0 <= (\old(m) + 2147483648))) && (8 == \old(n)))) || (((3 == \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 17))) || ((((0 <= \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(n) <= 15)) && (\old(m) <= 5))) || ((((1 <= \old(n)) && (\old(m) <= 3)) && (0 <= (\old(m) + 2147483648))) && (\old(n) <= 17))) || ((((\old(m) <= 15) && (0 <= \old(n))) && (\old(n) <= 5)) && (0 <= (\old(m) + 2147483648)))) || (((7 == \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 13))) || (((2 == \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 18))) || ((20 == \old(n)) && (\old(m) == 0))) || ((((\old(m) <= 8) && (\old(n) <= 12)) && (0 <= (\old(m) + 2147483648))) && (2 <= \old(n)))) || (((0 <= (\old(m) + 2147483648)) && (9 == \old(n))) && (\old(m) <= 11))), ensures ((\result == (\old(n) + \old(m))) && (((((((((((((((((((((((\old(m) <= 4) && (0 <= (\old(m) + 2147483648))) && (16 == \old(n))) || ((((1 <= \old(n)) && (\old(n) <= 11)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 9))) || ((((\old(n) <= 10) && (0 <= \old(n))) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 10))) || (((\old(n) == 0) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 20))) || (((0 <= (\old(m) + 2147483648)) && (\old(n) == 1)) && (\old(m) <= 19))) || (((18 == \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 2))) || (((\old(m) <= 7) && (0 <= (\old(m) + 2147483648))) && (\old(n) == 13))) || (((\old(m) <= 6) && (0 <= (\old(m) + 2147483648))) && (14 == \old(n)))) || ((((\old(m) <= 16) && (0 <= \old(n))) && (0 <= (\old(m) + 2147483648))) && (\old(n) <= 4))) || (((0 <= (\old(m) + 2147483648)) && (19 == \old(n))) && (\old(m) <= 1))) || (((6 == \old(n)) && (\old(m) <= 14)) && (0 <= (\old(m) + 2147483648)))) || (((\old(m) <= 12) && (0 <= (\old(m) + 2147483648))) && (8 == \old(n)))) || (((3 == \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 17))) || ((((0 <= \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(n) <= 15)) && (\old(m) <= 5))) || ((((1 <= \old(n)) && (\old(m) <= 3)) && (0 <= (\old(m) + 2147483648))) && (\old(n) <= 17))) || ((((\old(m) <= 15) && (0 <= \old(n))) && (\old(n) <= 5)) && (0 <= (\old(m) + 2147483648)))) || (((7 == \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 13))) || (((2 == \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 18))) || ((20 == \old(n)) && (\old(m) == 0))) || ((((\old(m) <= 8) && (\old(n) <= 12)) && (0 <= (\old(m) + 2147483648))) && (2 <= \old(n)))) || (((0 <= (\old(m) + 2147483648)) && (9 == \old(n))) && (\old(m) <= 11)))) [2024-09-12 20:13:33,030 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:13:33,215 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/recursive-simple/sum_20x0-2.c[481,494] [2024-09-12 20:13:33,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:13:33,233 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 20:13:33,293 ERROR L321 MainTranslator]: Unsupported Syntax: Requires must be translatable by a single expression [2024-09-12 20:13:33,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3222e03d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:33, skipping insertion in model container [2024-09-12 20:13:33,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:13:33,294 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2024-09-12 20:13:33,296 INFO L158 Benchmark]: Toolchain (without parser) took 307.40ms. Allocated memory is still 146.8MB. Free memory was 118.6MB in the beginning and 105.1MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 20:13:33,297 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:13:33,298 INFO L158 Benchmark]: Witness Parser took 1.74ms. Allocated memory is still 146.8MB. Free memory was 118.7MB in the beginning and 118.7MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:13:33,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.63ms. Allocated memory is still 146.8MB. Free memory was 117.7MB in the beginning and 105.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 20:13:33,300 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.74ms. Allocated memory is still 146.8MB. Free memory was 118.7MB in the beginning and 118.7MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.63ms. Allocated memory is still 146.8MB. Free memory was 117.7MB in the beginning and 105.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5]: Unsupported Syntax Requires must be translatable by a single expression RESULT: Ultimate could not prove your program: Toolchain returned no result. 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/recursive-simple/sum_20x0-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_20x0-2.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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:13:35,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:13:35,445 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 20:13:35,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:13:35,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:13:35,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:13:35,484 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:13:35,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:13:35,486 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:13:35,487 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:13:35,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:13:35,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:13:35,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:13:35,492 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:13:35,493 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:13:35,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:13:35,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:13:35,494 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:13:35,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:13:35,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:13:35,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:13:35,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:13:35,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:13:35,498 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 20:13:35,498 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 20:13:35,499 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:13:35,499 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 20:13:35,499 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:13:35,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:13:35,500 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:13:35,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:13:35,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:13:35,500 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:13:35,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:13:35,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:13:35,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:13:35,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:13:35,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:13:35,502 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 20:13:35,502 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 20:13:35,503 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:13:35,504 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:13:35,504 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:13:35,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:13:35,505 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 20:13:35,505 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:13:35,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:13:35,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:13:35,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:13:35,883 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:13:35,884 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:13:35,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum_20x0-2.yml/witness-2.1.yml [2024-09-12 20:13:35,941 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:13:35,942 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:13:35,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2024-09-12 20:13:37,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:13:37,675 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:13:37,676 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2024-09-12 20:13:37,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5b7149468/3b56a91d8e404429bbcf2a7eefbaea45/FLAGe2a3f1586 [2024-09-12 20:13:37,704 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5b7149468/3b56a91d8e404429bbcf2a7eefbaea45 [2024-09-12 20:13:37,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:13:37,706 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:13:37,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:13:37,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:13:37,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:13:37,718 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 08:13:35" (1/2) ... [2024-09-12 20:13:37,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f73ad4b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:37, skipping insertion in model container [2024-09-12 20:13:37,722 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 08:13:35" (1/2) ... [2024-09-12 20:13:37,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@fd81822 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:37, skipping insertion in model container [2024-09-12 20:13:37,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:13:37" (2/2) ... [2024-09-12 20:13:37,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f73ad4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:37, skipping insertion in model container [2024-09-12 20:13:37,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:13:37" (2/2) ... [2024-09-12 20:13:37,732 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:13:37,733 INFO L1541 ArrayList]: Function contract at [L5]: requires (((((((((((((((((((((((\old(m) <= 4) && (0 <= (\old(m) + 2147483648))) && (16 == \old(n))) || ((((1 <= \old(n)) && (\old(n) <= 11)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 9))) || ((((\old(n) <= 10) && (0 <= \old(n))) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 10))) || (((\old(n) == 0) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 20))) || (((0 <= (\old(m) + 2147483648)) && (\old(n) == 1)) && (\old(m) <= 19))) || (((18 == \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 2))) || (((\old(m) <= 7) && (0 <= (\old(m) + 2147483648))) && (\old(n) == 13))) || (((\old(m) <= 6) && (0 <= (\old(m) + 2147483648))) && (14 == \old(n)))) || ((((\old(m) <= 16) && (0 <= \old(n))) && (0 <= (\old(m) + 2147483648))) && (\old(n) <= 4))) || (((0 <= (\old(m) + 2147483648)) && (19 == \old(n))) && (\old(m) <= 1))) || (((6 == \old(n)) && (\old(m) <= 14)) && (0 <= (\old(m) + 2147483648)))) || (((\old(m) <= 12) && (0 <= (\old(m) + 2147483648))) && (8 == \old(n)))) || (((3 == \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 17))) || ((((0 <= \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(n) <= 15)) && (\old(m) <= 5))) || ((((1 <= \old(n)) && (\old(m) <= 3)) && (0 <= (\old(m) + 2147483648))) && (\old(n) <= 17))) || ((((\old(m) <= 15) && (0 <= \old(n))) && (\old(n) <= 5)) && (0 <= (\old(m) + 2147483648)))) || (((7 == \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 13))) || (((2 == \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 18))) || ((20 == \old(n)) && (\old(m) == 0))) || ((((\old(m) <= 8) && (\old(n) <= 12)) && (0 <= (\old(m) + 2147483648))) && (2 <= \old(n)))) || (((0 <= (\old(m) + 2147483648)) && (9 == \old(n))) && (\old(m) <= 11))), ensures ((\result == (\old(n) + \old(m))) && (((((((((((((((((((((((\old(m) <= 4) && (0 <= (\old(m) + 2147483648))) && (16 == \old(n))) || ((((1 <= \old(n)) && (\old(n) <= 11)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 9))) || ((((\old(n) <= 10) && (0 <= \old(n))) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 10))) || (((\old(n) == 0) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 20))) || (((0 <= (\old(m) + 2147483648)) && (\old(n) == 1)) && (\old(m) <= 19))) || (((18 == \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 2))) || (((\old(m) <= 7) && (0 <= (\old(m) + 2147483648))) && (\old(n) == 13))) || (((\old(m) <= 6) && (0 <= (\old(m) + 2147483648))) && (14 == \old(n)))) || ((((\old(m) <= 16) && (0 <= \old(n))) && (0 <= (\old(m) + 2147483648))) && (\old(n) <= 4))) || (((0 <= (\old(m) + 2147483648)) && (19 == \old(n))) && (\old(m) <= 1))) || (((6 == \old(n)) && (\old(m) <= 14)) && (0 <= (\old(m) + 2147483648)))) || (((\old(m) <= 12) && (0 <= (\old(m) + 2147483648))) && (8 == \old(n)))) || (((3 == \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 17))) || ((((0 <= \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(n) <= 15)) && (\old(m) <= 5))) || ((((1 <= \old(n)) && (\old(m) <= 3)) && (0 <= (\old(m) + 2147483648))) && (\old(n) <= 17))) || ((((\old(m) <= 15) && (0 <= \old(n))) && (\old(n) <= 5)) && (0 <= (\old(m) + 2147483648)))) || (((7 == \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 13))) || (((2 == \old(n)) && (0 <= (\old(m) + 2147483648))) && (\old(m) <= 18))) || ((20 == \old(n)) && (\old(m) == 0))) || ((((\old(m) <= 8) && (\old(n) <= 12)) && (0 <= (\old(m) + 2147483648))) && (2 <= \old(n)))) || (((0 <= (\old(m) + 2147483648)) && (9 == \old(n))) && (\old(m) <= 11)))) [2024-09-12 20:13:37,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:13:37,913 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/recursive-simple/sum_20x0-2.c[481,494] [2024-09-12 20:13:37,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:13:37,934 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 20:13:38,019 ERROR L321 MainTranslator]: Unsupported Syntax: Requires must be translatable by a single expression [2024-09-12 20:13:38,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@fd81822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:38, skipping insertion in model container [2024-09-12 20:13:38,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:13:38,027 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2024-09-12 20:13:38,028 INFO L158 Benchmark]: Toolchain (without parser) took 321.86ms. Allocated memory is still 77.6MB. Free memory was 48.3MB in the beginning and 34.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 20:13:38,029 INFO L158 Benchmark]: Witness Parser took 1.08ms. Allocated memory is still 48.2MB. Free memory was 27.1MB in the beginning and 27.0MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:13:38,030 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 48.2MB. Free memory is still 24.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:13:38,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.80ms. Allocated memory is still 77.6MB. Free memory was 48.0MB in the beginning and 34.4MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 20:13:38,034 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 1.08ms. Allocated memory is still 48.2MB. Free memory was 27.1MB in the beginning and 27.0MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 48.2MB. Free memory is still 24.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.80ms. Allocated memory is still 77.6MB. Free memory was 48.0MB in the beginning and 34.4MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5]: Unsupported Syntax Requires must be translatable by a single expression RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN