./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/stack-2.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/stack-2.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/stack-2.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/stack-2.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 17:31:17,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 17:31:17,889 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 17:31:17,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 17:31:17,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 17:31:17,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 17:31:17,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 17:31:17,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 17:31:17,955 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 17:31:17,959 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 17:31:17,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 17:31:17,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 17:31:17,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 17:31:17,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 17:31:17,963 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 17:31:17,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 17:31:17,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 17:31:17,964 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 17:31:17,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 17:31:17,964 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 17:31:17,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 17:31:17,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 17:31:17,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 17:31:17,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 17:31:17,966 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 17:31:17,966 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 17:31:17,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 17:31:17,967 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 17:31:17,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 17:31:17,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 17:31:17,969 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 17:31:17,969 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 17:31:17,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 17:31:17,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 17:31:17,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 17:31:17,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 17:31:17,971 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 17:31:17,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 17:31:17,971 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 17:31:17,971 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 17:31:17,971 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 17:31:17,972 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 17:31:17,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 17:31:17,972 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 17:31:18,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 17:31:18,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 17:31:18,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 17:31:18,257 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 17:31:18,258 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 17:31:18,259 INFO L431 ainManager$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/stack-2.yml/witness.yml [2024-01-31 17:31:18,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 17:31:18,428 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 17:31:18,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2024-01-31 17:31:19,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 17:31:19,969 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 17:31:19,970 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i [2024-01-31 17:31:19,993 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39021dd22/7a01b71a0dd2473bb6d9ffd566e92b98/FLAG0d6290e0f [2024-01-31 17:31:20,007 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39021dd22/7a01b71a0dd2473bb6d9ffd566e92b98 [2024-01-31 17:31:20,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 17:31:20,009 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 17:31:20,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 17:31:20,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 17:31:20,019 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 17:31:20,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:31:18" (1/2) ... [2024-01-31 17:31:20,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649eca9c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:31:20, skipping insertion in model container [2024-01-31 17:31:20,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:31:18" (1/2) ... [2024-01-31 17:31:20,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19347ad2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:31:20, skipping insertion in model container [2024-01-31 17:31:20,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:31:20" (2/2) ... [2024-01-31 17:31:20,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649eca9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:31:20, skipping insertion in model container [2024-01-31 17:31:20,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:31:20" (2/2) ... [2024-01-31 17:31:20,023 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 17:31:20,177 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 17:31:20,178 INFO L98 nessWitnessExtractor]: Location invariant before [L941-L941] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 17:31:20,179 INFO L98 nessWitnessExtractor]: Location invariant before [L23-L23] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 17:31:20,238 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 17:31:20,652 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i[41520,41533] [2024-01-31 17:31:20,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 17:31:20,709 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local [2024-01-31 17:31:20,750 ERROR L326 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: flag [2024-01-31 17:31:20,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19347ad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:31:20, skipping insertion in model container [2024-01-31 17:31:20,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 17:31:20,753 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-01-31 17:31:20,755 INFO L158 Benchmark]: Toolchain (without parser) took 745.31ms. Allocated memory is still 167.8MB. Free memory was 105.5MB in the beginning and 75.4MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-01-31 17:31:20,756 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 17:31:20,756 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 17:31:20,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 738.80ms. Allocated memory is still 167.8MB. Free memory was 105.5MB in the beginning and 75.4MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-01-31 17:31:20,760 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 0.12ms. Allocated memory is still 167.8MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 738.80ms. Allocated memory is still 167.8MB. Free memory was 105.5MB in the beginning and 75.4MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 23]: Incorrect Syntax Undeclared variable in ACSL expression: flag 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/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/stack-2.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/stack-2.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 17:31:22,955 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 17:31:23,043 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-01-31 17:31:23,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 17:31:23,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 17:31:23,125 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 17:31:23,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 17:31:23,126 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 17:31:23,127 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 17:31:23,130 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 17:31:23,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 17:31:23,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 17:31:23,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 17:31:23,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 17:31:23,133 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 17:31:23,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 17:31:23,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 17:31:23,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 17:31:23,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 17:31:23,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 17:31:23,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 17:31:23,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 17:31:23,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 17:31:23,136 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-01-31 17:31:23,136 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-01-31 17:31:23,136 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 17:31:23,137 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-01-31 17:31:23,137 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 17:31:23,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 17:31:23,137 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 17:31:23,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 17:31:23,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 17:31:23,139 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 17:31:23,139 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 17:31:23,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 17:31:23,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 17:31:23,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 17:31:23,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 17:31:23,141 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-01-31 17:31:23,141 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-01-31 17:31:23,141 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 17:31:23,141 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 17:31:23,142 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 17:31:23,142 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 17:31:23,142 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 17:31:23,142 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-01-31 17:31:23,142 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 17:31:23,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 17:31:23,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 17:31:23,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 17:31:23,486 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 17:31:23,487 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 17:31:23,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2024-01-31 17:31:24,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 17:31:24,982 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 17:31:24,982 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i [2024-01-31 17:31:25,006 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55b4ad6ee/de4775828eac4cdd9b284bc4b820c712/FLAG3a3d886e3 [2024-01-31 17:31:25,022 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55b4ad6ee/de4775828eac4cdd9b284bc4b820c712 [2024-01-31 17:31:25,024 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 17:31:25,025 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 17:31:25,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/stack-2.yml/witness.yml [2024-01-31 17:31:25,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 17:31:25,170 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 17:31:25,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 17:31:25,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 17:31:25,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 17:31:25,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:31:25" (1/2) ... [2024-01-31 17:31:25,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da5894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:31:25, skipping insertion in model container [2024-01-31 17:31:25,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:31:25" (1/2) ... [2024-01-31 17:31:25,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d1f9d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:31:25, skipping insertion in model container [2024-01-31 17:31:25,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:31:25" (2/2) ... [2024-01-31 17:31:25,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da5894 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:31:25, skipping insertion in model container [2024-01-31 17:31:25,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:31:25" (2/2) ... [2024-01-31 17:31:25,180 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 17:31:25,319 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 17:31:25,320 INFO L98 nessWitnessExtractor]: Location invariant before [L941-L941] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 17:31:25,321 INFO L98 nessWitnessExtractor]: Location invariant before [L23-L23] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 17:31:25,368 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 17:31:25,842 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i[41520,41533] [2024-01-31 17:31:25,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 17:31:25,882 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local [2024-01-31 17:31:25,916 ERROR L326 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: flag [2024-01-31 17:31:25,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d1f9d6a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:31:25, skipping insertion in model container [2024-01-31 17:31:25,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 17:31:25,918 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-01-31 17:31:25,920 INFO L158 Benchmark]: Toolchain (without parser) took 748.98ms. Allocated memory is still 67.1MB. Free memory was 41.5MB in the beginning and 29.0MB in the end (delta: 12.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-01-31 17:31:25,920 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory is still 31.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 17:31:25,921 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 67.1MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 17:31:25,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.83ms. Allocated memory is still 67.1MB. Free memory was 41.3MB in the beginning and 29.0MB in the end (delta: 12.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-01-31 17:31:25,924 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 54.5MB. Free memory is still 31.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 67.1MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.83ms. Allocated memory is still 67.1MB. Free memory was 41.3MB in the beginning and 29.0MB in the end (delta: 12.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 23]: Incorrect Syntax Undeclared variable in ACSL expression: flag 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