./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/elimination_backoff_stack.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 80b1b132 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/elimination_backoff_stack.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-?-80b1b13-m [2024-01-31 17:42:13,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 17:42:13,209 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 17:42:13,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 17:42:13,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 17:42:13,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 17:42:13,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 17:42:13,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 17:42:13,255 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 17:42:13,258 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 17:42:13,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 17:42:13,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 17:42:13,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 17:42:13,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 17:42:13,262 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 17:42:13,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 17:42:13,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 17:42:13,262 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 17:42:13,263 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 17:42:13,263 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 17:42:13,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 17:42:13,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 17:42:13,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 17:42:13,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 17:42:13,265 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 17:42:13,265 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 17:42:13,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 17:42:13,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 17:42:13,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 17:42:13,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 17:42:13,268 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 17:42:13,268 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 17:42:13,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 17:42:13,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 17:42:13,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 17:42:13,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 17:42:13,269 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 17:42:13,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 17:42:13,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 17:42:13,270 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 17:42:13,270 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 17:42:13,270 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 17:42:13,270 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 17:42:13,271 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/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 17:42:13,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 17:42:13,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 17:42:13,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 17:42:13,547 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 17:42:13,547 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 17:42:13,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/elimination_backoff_stack.yml/witness.yml [2024-01-31 17:42:13,797 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 17:42:13,797 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 17:42:13,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2024-01-31 17:42:14,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 17:42:15,252 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 17:42:15,252 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2024-01-31 17:42:15,274 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91cb74f4f/ee4d3c9faab84012bc7c5d0cefdf5ad1/FLAG3436ccf54 [2024-01-31 17:42:15,290 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91cb74f4f/ee4d3c9faab84012bc7c5d0cefdf5ad1 [2024-01-31 17:42:15,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 17:42:15,292 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 17:42:15,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 17:42:15,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 17:42:15,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 17:42:15,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:42:13" (1/2) ... [2024-01-31 17:42:15,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475f643 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:15, skipping insertion in model container [2024-01-31 17:42:15,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:42:13" (1/2) ... [2024-01-31 17:42:15,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1770f536 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:15, skipping insertion in model container [2024-01-31 17:42:15,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:42:15" (2/2) ... [2024-01-31 17:42:15,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475f643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:42:15, skipping insertion in model container [2024-01-31 17:42:15,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:42:15" (2/2) ... [2024-01-31 17:42:15,305 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 17:42:16,191 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 17:42:16,193 INFO L98 nessWitnessExtractor]: Location invariant after [L1601-L1601] (unsigned long )unused == 0UL [2024-01-31 17:42:16,193 INFO L98 nessWitnessExtractor]: Location invariant after [L1466-L1466] 0 <= unique_id [2024-01-31 17:42:16,193 INFO L98 nessWitnessExtractor]: Location invariant after [L1489-L1489] (((((1 <= him) && ((4294967296LL + (long long )mypid) + (long long )ret >= 0LL)) && ((4294967295LL - (long long )mypid) + (long long )ret >= 0LL)) && ((4294967295LL + (long long )mypid) - (long long )ret >= 0LL)) && ((4294967294LL - (long long )mypid) - (long long )ret >= 0LL)) && (him != 0) [2024-01-31 17:42:16,193 INFO L98 nessWitnessExtractor]: Location invariant after [L1482-L1482] 0 <= unique_id [2024-01-31 17:42:16,193 INFO L98 nessWitnessExtractor]: Location invariant after [L1595-L1595] (unsigned long )unused == 0UL [2024-01-31 17:42:16,194 INFO L98 nessWitnessExtractor]: Location invariant after [L1607-L1607] (unsigned long )unused == 0UL [2024-01-31 17:42:16,194 INFO L98 nessWitnessExtractor]: Location invariant after [L1515-L1515] (1 == x) && (x == 1) [2024-01-31 17:42:16,194 INFO L98 nessWitnessExtractor]: Location invariant before [L1543-L1543] 0 <= unique_id [2024-01-31 17:42:16,194 INFO L98 nessWitnessExtractor]: Location invariant after [L1589-L1589] (unsigned long )unused == 0UL [2024-01-31 17:42:16,194 INFO L98 nessWitnessExtractor]: Location invariant after [L1491-L1491] ((((((((0 <= unique_id) && (1 <= him)) && ((2147483648LL + (long long )mypid) + (long long )ret >= 0LL)) && ((2147483647LL - (long long )mypid) + (long long )ret >= 0LL)) && ((2147483648LL + (long long )mypid) - (long long )ret >= 0LL)) && ((2147483647LL - (long long )mypid) - (long long )ret >= 0LL)) && (0 == ret)) && (ret == 0)) && (him != 0) [2024-01-31 17:42:16,194 INFO L98 nessWitnessExtractor]: Location invariant after [L1409-L1409] 0 <= unique_id [2024-01-31 17:42:16,194 INFO L98 nessWitnessExtractor]: Location invariant after [L1400-L1400] 0 <= unique_id [2024-01-31 17:42:16,195 INFO L98 nessWitnessExtractor]: Location invariant after [L1459-L1459] phead == 0 [2024-01-31 17:42:16,195 INFO L98 nessWitnessExtractor]: Location invariant after [L1416-L1416] ((((4294967296LL + (long long )him) + (long long )mypid >= 0LL) && ((4294967295LL - (long long )him) + (long long )mypid >= 0LL)) && ((4294967295LL + (long long )him) - (long long )mypid >= 0LL)) && ((4294967294LL - (long long )him) - (long long )mypid >= 0LL) [2024-01-31 17:42:16,245 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 17:42:16,609 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __compar_fn_t [2024-01-31 17:42:16,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1770f536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:42:16, skipping insertion in model container [2024-01-31 17:42:16,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 17:42:16,610 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-01-31 17:42:16,612 INFO L158 Benchmark]: Toolchain (without parser) took 1319.01ms. Allocated memory is still 157.3MB. Free memory was 69.0MB in the beginning and 99.4MB in the end (delta: -30.4MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-01-31 17:42:16,612 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 17:42:16,613 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 157.3MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 17:42:16,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1315.15ms. Allocated memory is still 157.3MB. Free memory was 68.7MB in the beginning and 99.4MB in the end (delta: -30.7MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-01-31 17:42:16,617 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 0.17ms. Allocated memory is still 113.2MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 157.3MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1315.15ms. Allocated memory is still 157.3MB. Free memory was 68.7MB in the beginning and 99.4MB in the end (delta: -30.7MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 762]: Unsupported Syntax Undefined type __compar_fn_t 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/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/elimination_backoff_stack.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-?-80b1b13-m [2024-01-31 17:42:18,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 17:42:18,717 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-01-31 17:42:18,722 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 17:42:18,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 17:42:18,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 17:42:18,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 17:42:18,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 17:42:18,760 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 17:42:18,764 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 17:42:18,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 17:42:18,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 17:42:18,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 17:42:18,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 17:42:18,767 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 17:42:18,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 17:42:18,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 17:42:18,768 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 17:42:18,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 17:42:18,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 17:42:18,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 17:42:18,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 17:42:18,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 17:42:18,770 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-01-31 17:42:18,771 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-01-31 17:42:18,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 17:42:18,771 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-01-31 17:42:18,771 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 17:42:18,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 17:42:18,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 17:42:18,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 17:42:18,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 17:42:18,774 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 17:42:18,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 17:42:18,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 17:42:18,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 17:42:18,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 17:42:18,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 17:42:18,776 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-01-31 17:42:18,776 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-01-31 17:42:18,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 17:42:18,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 17:42:18,777 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 17:42:18,777 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 17:42:18,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 17:42:18,777 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-01-31 17:42:18,778 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/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 17:42:19,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 17:42:19,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 17:42:19,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 17:42:19,129 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 17:42:19,129 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 17:42:19,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2024-01-31 17:42:20,409 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 17:42:20,774 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 17:42:20,775 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2024-01-31 17:42:20,802 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1f97e687/7f1edbe36194409db4f9f09ff00755bb/FLAG675e3725e [2024-01-31 17:42:20,817 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1f97e687/7f1edbe36194409db4f9f09ff00755bb [2024-01-31 17:42:20,819 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 17:42:20,820 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 17:42:20,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/elimination_backoff_stack.yml/witness.yml [2024-01-31 17:42:21,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 17:42:21,048 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 17:42:21,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 17:42:21,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 17:42:21,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 17:42:21,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:42:20" (1/2) ... [2024-01-31 17:42:21,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75bd61f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:42:21, skipping insertion in model container [2024-01-31 17:42:21,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:42:20" (1/2) ... [2024-01-31 17:42:21,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2fcd59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:42:21, skipping insertion in model container [2024-01-31 17:42:21,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:42:21" (2/2) ... [2024-01-31 17:42:21,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75bd61f0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:21, skipping insertion in model container [2024-01-31 17:42:21,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:42:21" (2/2) ... [2024-01-31 17:42:21,057 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 17:42:21,576 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 17:42:21,577 INFO L98 nessWitnessExtractor]: Location invariant after [L1491-L1491] ((((((((0 <= unique_id) && (1 <= him)) && ((2147483648LL + (long long )mypid) + (long long )ret >= 0LL)) && ((2147483647LL - (long long )mypid) + (long long )ret >= 0LL)) && ((2147483648LL + (long long )mypid) - (long long )ret >= 0LL)) && ((2147483647LL - (long long )mypid) - (long long )ret >= 0LL)) && (0 == ret)) && (ret == 0)) && (him != 0) [2024-01-31 17:42:21,578 INFO L98 nessWitnessExtractor]: Location invariant after [L1515-L1515] (1 == x) && (x == 1) [2024-01-31 17:42:21,578 INFO L98 nessWitnessExtractor]: Location invariant after [L1589-L1589] (unsigned long )unused == 0UL [2024-01-31 17:42:21,579 INFO L98 nessWitnessExtractor]: Location invariant after [L1595-L1595] (unsigned long )unused == 0UL [2024-01-31 17:42:21,579 INFO L98 nessWitnessExtractor]: Location invariant after [L1489-L1489] (((((1 <= him) && ((4294967296LL + (long long )mypid) + (long long )ret >= 0LL)) && ((4294967295LL - (long long )mypid) + (long long )ret >= 0LL)) && ((4294967295LL + (long long )mypid) - (long long )ret >= 0LL)) && ((4294967294LL - (long long )mypid) - (long long )ret >= 0LL)) && (him != 0) [2024-01-31 17:42:21,579 INFO L98 nessWitnessExtractor]: Location invariant after [L1459-L1459] phead == 0 [2024-01-31 17:42:21,579 INFO L98 nessWitnessExtractor]: Location invariant before [L1543-L1543] 0 <= unique_id [2024-01-31 17:42:21,579 INFO L98 nessWitnessExtractor]: Location invariant after [L1400-L1400] 0 <= unique_id [2024-01-31 17:42:21,579 INFO L98 nessWitnessExtractor]: Location invariant after [L1601-L1601] (unsigned long )unused == 0UL [2024-01-31 17:42:21,579 INFO L98 nessWitnessExtractor]: Location invariant after [L1482-L1482] 0 <= unique_id [2024-01-31 17:42:21,580 INFO L98 nessWitnessExtractor]: Location invariant after [L1466-L1466] 0 <= unique_id [2024-01-31 17:42:21,580 INFO L98 nessWitnessExtractor]: Location invariant after [L1409-L1409] 0 <= unique_id [2024-01-31 17:42:21,580 INFO L98 nessWitnessExtractor]: Location invariant after [L1607-L1607] (unsigned long )unused == 0UL [2024-01-31 17:42:21,580 INFO L98 nessWitnessExtractor]: Location invariant after [L1416-L1416] ((((4294967296LL + (long long )him) + (long long )mypid >= 0LL) && ((4294967295LL - (long long )him) + (long long )mypid >= 0LL)) && ((4294967295LL + (long long )him) - (long long )mypid >= 0LL)) && ((4294967294LL - (long long )him) - (long long )mypid >= 0LL) [2024-01-31 17:42:21,640 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 17:42:22,010 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __compar_fn_t [2024-01-31 17:42:22,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2fcd59c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:22, skipping insertion in model container [2024-01-31 17:42:22,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 17:42:22,013 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-01-31 17:42:22,015 INFO L158 Benchmark]: Toolchain (without parser) took 966.13ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 40.8MB in the beginning and 37.3MB in the end (delta: 3.6MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-01-31 17:42:22,015 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 48.2MB. Free memory was 30.0MB in the beginning and 29.9MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 17:42:22,016 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 40.4MB in the beginning and 40.2MB in the end (delta: 206.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 17:42:22,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 963.85ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 40.6MB in the beginning and 37.3MB in the end (delta: 3.3MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-01-31 17:42:22,020 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 48.2MB. Free memory was 30.0MB in the beginning and 29.9MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 40.4MB in the beginning and 40.2MB in the end (delta: 206.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 963.85ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 40.6MB in the beginning and 37.3MB in the end (delta: 3.3MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 762]: Unsupported Syntax Undefined type __compar_fn_t 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