./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/ofuf_3.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/loop-industry-pattern/ofuf_3.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/ofuf_3.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 19:07:31,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:07:31,907 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:07:31,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:07:31,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:07:31,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:07:31,947 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:07:31,947 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:07:31,947 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:07:31,948 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:07:31,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:07:31,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:07:31,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:07:31,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:07:31,957 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:07:31,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:07:31,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:07:31,957 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:07:31,958 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:07:31,958 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:07:31,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:07:31,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:07:31,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:07:31,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:07:31,961 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:07:31,962 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:07:31,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:07:31,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:07:31,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:07:31,962 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:07:31,962 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:07:31,963 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:07:31,963 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:07:31,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:31,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:07:31,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:07:31,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:07:31,964 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:07:31,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:07:31,964 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:07:31,964 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:07:31,964 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:07:31,965 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:07:31,965 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:07:32,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:07:32,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:07:32,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:07:32,190 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:07:32,191 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:07:32,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/ofuf_3.yml/output/witness-2.1.yml [2024-09-21 19:07:32,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:07:32,258 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:07:32,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2024-09-21 19:07:33,466 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:07:33,679 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:07:33,679 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2024-09-21 19:07:33,693 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/cd20ce3e2/743bb13dd0fd4dc49855b1a1ecea5e1a/FLAGbe5fd0fda [2024-09-21 19:07:34,044 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/cd20ce3e2/743bb13dd0fd4dc49855b1a1ecea5e1a [2024-09-21 19:07:34,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:07:34,046 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:07:34,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:34,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:07:34,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:07:34,053 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 07:07:32" (1/2) ... [2024-09-21 19:07:34,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dcbe52d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:34, skipping insertion in model container [2024-09-21 19:07:34,054 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 07:07:32" (1/2) ... [2024-09-21 19:07:34,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2947727e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:34, skipping insertion in model container [2024-09-21 19:07:34,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:34" (2/2) ... [2024-09-21 19:07:34,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dcbe52d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:34, skipping insertion in model container [2024-09-21 19:07:34,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:34" (2/2) ... [2024-09-21 19:07:34,081 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:07:34,082 INFO L1541 ArrayList]: Loop invariant at [L358-L396] 1 [2024-09-21 19:07:34,082 INFO L1541 ArrayList]: Loop invariant at [L352-L355] 1 [2024-09-21 19:07:34,082 INFO L1541 ArrayList]: Loop invariant at [L406-L416] 1 [2024-09-21 19:07:34,082 INFO L1541 ArrayList]: Function contract at [L280]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:34,082 INFO L1541 ArrayList]: Function contract at [L193]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:34,082 INFO L1541 ArrayList]: Function contract at [L249]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:34,082 INFO L1541 ArrayList]: Function contract at [L9]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:34,082 INFO L1541 ArrayList]: Function contract at [L427]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:34,082 INFO L1541 ArrayList]: Function contract at [L420]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:34,082 INFO L1541 ArrayList]: Function contract at [L331]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:34,083 INFO L1541 ArrayList]: Function contract at [L400]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:34,105 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:07:34,282 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c[11322,11335] [2024-09-21 19:07:34,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:34,294 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:07:34,446 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c[11322,11335] [2024-09-21 19:07:34,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:34,458 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: fopen [2024-09-21 19:07:34,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2947727e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:34, skipping insertion in model container [2024-09-21 19:07:34,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:34,459 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2024-09-21 19:07:34,461 INFO L158 Benchmark]: Toolchain (without parser) took 414.42ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 61.2MB in the beginning and 149.6MB in the end (delta: -88.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-21 19:07:34,461 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 134.2MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:34,462 INFO L158 Benchmark]: CDTParser took 0.06ms. Allocated memory is still 134.2MB. Free memory is still 108.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:34,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.73ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 60.8MB in the beginning and 149.6MB in the end (delta: -88.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-21 19:07:34,464 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 0.10ms. Allocated memory is still 134.2MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.06ms. Allocated memory is still 134.2MB. Free memory is still 108.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.73ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 60.8MB in the beginning and 149.6MB in the end (delta: -88.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: fopen 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/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/loop-industry-pattern/ofuf_3.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/ofuf_3.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 19:07:36,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:07:36,157 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 19:07:36,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:07:36,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:07:36,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:07:36,192 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:07:36,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:07:36,193 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:07:36,194 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:07:36,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:07:36,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:07:36,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:07:36,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:07:36,195 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:07:36,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:07:36,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:07:36,196 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:07:36,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:07:36,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:07:36,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:07:36,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:07:36,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:07:36,200 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 19:07:36,200 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 19:07:36,201 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:07:36,201 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 19:07:36,201 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:07:36,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:07:36,202 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:07:36,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:07:36,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:07:36,203 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:07:36,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:07:36,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:07:36,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:36,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:07:36,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:07:36,205 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:07:36,205 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 19:07:36,205 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 19:07:36,205 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:07:36,205 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:07:36,205 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:07:36,206 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:07:36,206 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 19:07:36,206 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:07:36,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:07:36,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:07:36,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:07:36,440 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:07:36,443 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:07:36,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2024-09-21 19:07:37,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:07:37,907 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:07:37,908 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2024-09-21 19:07:37,916 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b60599438/a7f95a61f8784934a7c963fb87a3678a/FLAGf0d3f8a68 [2024-09-21 19:07:38,293 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b60599438/a7f95a61f8784934a7c963fb87a3678a [2024-09-21 19:07:38,295 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:07:38,296 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:07:38,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/ofuf_3.yml/output/witness-2.1.yml [2024-09-21 19:07:38,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:07:38,342 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:07:38,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:38,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:07:38,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:07:38,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:38" (1/2) ... [2024-09-21 19:07:38,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7c756c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:38, skipping insertion in model container [2024-09-21 19:07:38,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:38" (1/2) ... [2024-09-21 19:07:38,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4cfc52e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:38, skipping insertion in model container [2024-09-21 19:07:38,352 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 07:07:38" (2/2) ... [2024-09-21 19:07:38,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7c756c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:38, skipping insertion in model container [2024-09-21 19:07:38,353 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 07:07:38" (2/2) ... [2024-09-21 19:07:38,377 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:07:38,378 INFO L1541 ArrayList]: Loop invariant at [L358-L396] 1 [2024-09-21 19:07:38,378 INFO L1541 ArrayList]: Loop invariant at [L406-L416] 1 [2024-09-21 19:07:38,378 INFO L1541 ArrayList]: Loop invariant at [L352-L355] 1 [2024-09-21 19:07:38,378 INFO L1541 ArrayList]: Function contract at [L400]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:38,378 INFO L1541 ArrayList]: Function contract at [L420]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:38,379 INFO L1541 ArrayList]: Function contract at [L427]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:38,379 INFO L1541 ArrayList]: Function contract at [L331]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:38,379 INFO L1541 ArrayList]: Function contract at [L193]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:38,379 INFO L1541 ArrayList]: Function contract at [L280]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:38,379 INFO L1541 ArrayList]: Function contract at [L9]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:38,379 INFO L1541 ArrayList]: Function contract at [L249]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:38,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:07:38,644 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c[11322,11335] [2024-09-21 19:07:38,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:38,657 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-09-21 19:07:38,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:07:38,728 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c[11322,11335] [2024-09-21 19:07:38,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:38,735 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:07:38,831 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c[11322,11335] [2024-09-21 19:07:38,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:38,843 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: fopen [2024-09-21 19:07:38,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4cfc52e8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:38, skipping insertion in model container [2024-09-21 19:07:38,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:38,844 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2024-09-21 19:07:38,846 INFO L158 Benchmark]: Toolchain (without parser) took 503.49ms. Allocated memory is still 100.7MB. Free memory was 70.9MB in the beginning and 71.4MB in the end (delta: -490.0kB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-21 19:07:38,846 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 69.2MB. Free memory was 51.9MB in the beginning and 51.8MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:38,846 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 100.7MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:38,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.12ms. Allocated memory is still 100.7MB. Free memory was 70.6MB in the beginning and 71.4MB in the end (delta: -814.5kB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-21 19:07:38,848 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 69.2MB. Free memory was 51.9MB in the beginning and 51.8MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 100.7MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.12ms. Allocated memory is still 100.7MB. Free memory was 70.6MB in the beginning and 71.4MB in the end (delta: -814.5kB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: fopen 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