./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound10.c --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound10.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/nla-digbench-scaling/egcd3-ll_valuebound10.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound10.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 19:09:22,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:09:22,773 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:09:22,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:09:22,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:09:22,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:09:22,810 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:09:22,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:09:22,811 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:09:22,811 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:09:22,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:09:22,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:09:22,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:09:22,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:09:22,815 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:09:22,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:09:22,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:09:22,816 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:09:22,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:09:22,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:09:22,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:09:22,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:09:22,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:09:22,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:09:22,822 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:09:22,822 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:09:22,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:09:22,823 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:09:22,823 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:09:22,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:09:22,824 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:09:22,824 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:09:22,824 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:09:22,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:09:22,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:09:22,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:09:22,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:09:22,827 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:09:22,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:09:22,828 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:09:22,828 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:09:22,828 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:09:22,828 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:09:22,829 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:09:23,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:09:23,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:09:23,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:09:23,159 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:09:23,160 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:09:23,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound10.yml/output/witness-2.1.yml [2024-09-21 19:09:23,231 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:09:23,231 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:09:23,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound10.c [2024-09-21 19:09:24,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:09:24,819 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:09:24,819 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound10.c [2024-09-21 19:09:24,826 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/85d4117f8/817221d4df5540bf8b9b12d2f66c6895/FLAG5caf6a314 [2024-09-21 19:09:24,838 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/85d4117f8/817221d4df5540bf8b9b12d2f66c6895 [2024-09-21 19:09:24,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:09:24,840 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:09:24,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:09:24,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:09:24,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:09:24,849 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 07:09:23" (1/2) ... [2024-09-21 19:09:24,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11386d7c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:24, skipping insertion in model container [2024-09-21 19:09:24,850 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 07:09:23" (1/2) ... [2024-09-21 19:09:24,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d914f1c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:24, skipping insertion in model container [2024-09-21 19:09:24,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:09:24" (2/2) ... [2024-09-21 19:09:24,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11386d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:24, skipping insertion in model container [2024-09-21 19:09:24,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:09:24" (2/2) ... [2024-09-21 19:09:24,861 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:09:24,862 INFO L1541 ArrayList]: Loop invariant at [L42-L62] (k == (0LL) && p == (0LL) && q == (1LL) && r == (1LL) && s == (0LL)) || (k == (2LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (p == (0LL) && q == (1LL) && r == (1LL)) || (k == (1LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (k == (0LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) [2024-09-21 19:09:24,862 INFO L1541 ArrayList]: Loop invariant at [L49-L59] (d == (4LL) && k == (0LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (d == (2LL) && k == (0LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (d == (1LL) && k == (0LL) && p == (0LL) && q == (1LL) && r == (1LL) && s == (0LL)) || (d == (1LL) && k == (1LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (d == (1LL) && k == (0LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (d == (2LL) && k == (0LL) && p == (0LL) && q == (1LL) && r == (1LL) && s == (0LL)) || (d == (4LL) && k == (0LL) && p == (0LL) && q == (1LL) && r == (1LL) && s == (0LL)) [2024-09-21 19:09:24,863 INFO L1541 ArrayList]: Loop invariant at [L35-L73] (p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (p == (0LL) && q == (1LL) && r == (1LL) && s == (-2LL)) || (p == (0LL) && q == (1LL) && r == (1LL) && s == (-1LL)) || (p == (0LL) && q == (1LL) && r == (1LL) && s == (0LL)) [2024-09-21 19:09:24,863 INFO L1541 ArrayList]: Function contract at [L10]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:24,863 INFO L1541 ArrayList]: Function contract at [L7]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:24,863 INFO L1541 ArrayList]: Function contract at [L18]: requires 1, ensures (!(1) || ( esult == (0))) [2024-09-21 19:09:24,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:09:25,036 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/nla-digbench-scaling/egcd3-ll_valuebound10.c[490,503] [2024-09-21 19:09:25,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:09:25,079 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:09:25,114 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/nla-digbench-scaling/egcd3-ll_valuebound10.c[490,503] Start Parsing Global Start Parsing Global [2024-09-21 19:09:25,117 ERROR L321 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: esult [2024-09-21 19:09:25,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d914f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:25, skipping insertion in model container [2024-09-21 19:09:25,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:09:25,118 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2024-09-21 19:09:25,120 INFO L158 Benchmark]: Toolchain (without parser) took 278.94ms. Allocated memory is still 165.7MB. Free memory was 133.0MB in the beginning and 119.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:09:25,121 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 165.7MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:09:25,122 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 165.7MB. Free memory was 132.3MB in the beginning and 132.1MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:09:25,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.96ms. Allocated memory is still 165.7MB. Free memory was 132.2MB in the beginning and 119.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:09:25,125 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 0.19ms. Allocated memory is still 165.7MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 165.7MB. Free memory was 132.3MB in the beginning and 132.1MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.96ms. Allocated memory is still 165.7MB. Free memory was 132.2MB in the beginning and 119.6MB 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: - SyntaxErrorResult [Line: 19]: 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/nla-digbench-scaling/egcd3-ll_valuebound10.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound10.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 19:09:27,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:09:27,201 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 19:09:27,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:09:27,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:09:27,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:09:27,239 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:09:27,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:09:27,241 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:09:27,241 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:09:27,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:09:27,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:09:27,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:09:27,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:09:27,246 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:09:27,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:09:27,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:09:27,247 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:09:27,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:09:27,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:09:27,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:09:27,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:09:27,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:09:27,252 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 19:09:27,253 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 19:09:27,253 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:09:27,253 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 19:09:27,257 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:09:27,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:09:27,258 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:09:27,258 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:09:27,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:09:27,258 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:09:27,258 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:09:27,259 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:09:27,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:09:27,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:09:27,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:09:27,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:09:27,260 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 19:09:27,261 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 19:09:27,261 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:09:27,261 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:09:27,261 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:09:27,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:09:27,263 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 19:09:27,263 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:09:27,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:09:27,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:09:27,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:09:27,620 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:09:27,620 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:09:27,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound10.c [2024-09-21 19:09:29,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:09:29,336 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:09:29,336 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound10.c [2024-09-21 19:09:29,346 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c555f64ac/a97976bbce9a41c28a3c9689e5d90e08/FLAG7f69466b1 [2024-09-21 19:09:29,725 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c555f64ac/a97976bbce9a41c28a3c9689e5d90e08 [2024-09-21 19:09:29,728 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:09:29,728 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:09:29,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound10.yml/output/witness-2.1.yml [2024-09-21 19:09:29,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:09:29,792 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:09:29,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:09:29,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:09:29,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:09:29,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:09:29" (1/2) ... [2024-09-21 19:09:29,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1307f6c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:29, skipping insertion in model container [2024-09-21 19:09:29,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:09:29" (1/2) ... [2024-09-21 19:09:29,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3597b81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:29, skipping insertion in model container [2024-09-21 19:09:29,805 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 07:09:29" (2/2) ... [2024-09-21 19:09:29,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1307f6c7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:29, skipping insertion in model container [2024-09-21 19:09:29,806 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 07:09:29" (2/2) ... [2024-09-21 19:09:29,817 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:09:29,818 INFO L1541 ArrayList]: Loop invariant at [L35-L73] (p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (p == (0LL) && q == (1LL) && r == (1LL) && s == (-2LL)) || (p == (0LL) && q == (1LL) && r == (1LL) && s == (-1LL)) || (p == (0LL) && q == (1LL) && r == (1LL) && s == (0LL)) [2024-09-21 19:09:29,818 INFO L1541 ArrayList]: Loop invariant at [L49-L59] (d == (4LL) && k == (0LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (d == (2LL) && k == (0LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (d == (1LL) && k == (0LL) && p == (0LL) && q == (1LL) && r == (1LL) && s == (0LL)) || (d == (1LL) && k == (1LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (d == (1LL) && k == (0LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (d == (2LL) && k == (0LL) && p == (0LL) && q == (1LL) && r == (1LL) && s == (0LL)) || (d == (4LL) && k == (0LL) && p == (0LL) && q == (1LL) && r == (1LL) && s == (0LL)) [2024-09-21 19:09:29,818 INFO L1541 ArrayList]: Loop invariant at [L42-L62] (k == (0LL) && p == (0LL) && q == (1LL) && r == (1LL) && s == (0LL)) || (k == (2LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (p == (0LL) && q == (1LL) && r == (1LL)) || (k == (1LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (k == (0LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) [2024-09-21 19:09:29,818 INFO L1541 ArrayList]: Function contract at [L7]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:29,820 INFO L1541 ArrayList]: Function contract at [L10]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:29,821 INFO L1541 ArrayList]: Function contract at [L18]: requires 1, ensures (!(1) || ( esult == (0))) [2024-09-21 19:09:29,842 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:09:30,018 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/nla-digbench-scaling/egcd3-ll_valuebound10.c[490,503] [2024-09-21 19:09:30,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:09:30,071 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:09:30,111 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/nla-digbench-scaling/egcd3-ll_valuebound10.c[490,503] Start Parsing Global Start Parsing Global [2024-09-21 19:09:30,114 ERROR L321 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: esult [2024-09-21 19:09:30,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3597b81d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:30, skipping insertion in model container [2024-09-21 19:09:30,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:09:30,115 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2024-09-21 19:09:30,118 INFO L158 Benchmark]: Toolchain (without parser) took 324.28ms. Allocated memory is still 77.6MB. Free memory was 42.2MB in the beginning and 48.6MB in the end (delta: -6.4MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-09-21 19:09:30,119 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:09:30,120 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 77.6MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:09:30,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.54ms. Allocated memory is still 77.6MB. Free memory was 42.0MB in the beginning and 48.6MB in the end (delta: -6.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-09-21 19:09:30,123 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 77.6MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.54ms. Allocated memory is still 77.6MB. Free memory was 42.0MB in the beginning and 48.6MB in the end (delta: -6.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 19]: 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