./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 fced0e87 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-wip.fs.extract-columns-fced0e8-m [2024-01-31 16:12:59,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:12:59,352 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 16:12:59,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:12:59,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:12:59,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:12:59,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:12:59,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:12:59,387 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:12:59,391 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:12:59,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:12:59,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:12:59,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:12:59,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:12:59,393 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:12:59,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:12:59,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:12:59,394 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:12:59,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 16:12:59,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:12:59,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:12:59,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:12:59,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:12:59,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:12:59,395 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:12:59,395 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:12:59,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:12:59,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:12:59,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:12:59,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:12:59,396 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:12:59,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:12:59,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:12:59,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:12:59,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:12:59,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:12:59,398 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 16:12:59,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 16:12:59,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:12:59,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:12:59,398 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:12:59,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:12:59,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:12:59,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:12:59,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:12:59,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:12:59,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:12:59,623 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:12:59,623 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:12:59,624 INFO L431 ainManager$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 16:12:59,775 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:12:59,776 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:12:59,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2024-01-31 16:13:00,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:13:01,069 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:13:01,070 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i [2024-01-31 16:13:01,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f73800be6/9ff18bd83a1a4bb6a779701652dc8beb/FLAG748bee17b [2024-01-31 16:13:01,102 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f73800be6/9ff18bd83a1a4bb6a779701652dc8beb [2024-01-31 16:13:01,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:13:01,104 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:13:01,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:13:01,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:13:01,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:13:01,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:12:59" (1/2) ... [2024-01-31 16:13:01,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e25c04d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:13:01, skipping insertion in model container [2024-01-31 16:13:01,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:12:59" (1/2) ... [2024-01-31 16:13:01,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@213454c8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:13:01, skipping insertion in model container [2024-01-31 16:13:01,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:13:01" (2/2) ... [2024-01-31 16:13:01,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e25c04d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:13:01, skipping insertion in model container [2024-01-31 16:13:01,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:13:01" (2/2) ... [2024-01-31 16:13:01,115 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:13:01,232 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:13:01,233 INFO L98 nessWitnessExtractor]: Loop invariant at [L1007-L1007] (unsigned long )arg == 0UL [2024-01-31 16:13:01,233 INFO L98 nessWitnessExtractor]: Location invariant before [L964-L964] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:01,234 INFO L98 nessWitnessExtractor]: Location invariant before [L23-L23] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:01,234 INFO L98 nessWitnessExtractor]: Location invariant before [L996-L996] (((unsigned long )arg == 0UL) && (flag == (_Bool)0 || flag == (_Bool)1)) && ((((i == 3 || i == 2) || i == 1) || (0 == i && i == 0)) || i == 4) [2024-01-31 16:13:01,234 INFO L98 nessWitnessExtractor]: Location invariant before [L1022-L1022] flag == (_Bool)0 [2024-01-31 16:13:01,234 INFO L98 nessWitnessExtractor]: Location invariant before [L972-L972] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:01,234 INFO L98 nessWitnessExtractor]: Location invariant before [L997-L997] (((unsigned long )arg == 0UL) && (flag == (_Bool)0 || flag == (_Bool)1)) && ((((((((i == 3 || i == 2) || i == 2) || i == 1) || i == 1) || (0 == i && i == 0)) || (0 == i && i == 0)) || i == 4) || i == 4) [2024-01-31 16:13:01,234 INFO L98 nessWitnessExtractor]: Location invariant before [L1013-L1013] ((flag == (_Bool)1) && ((unsigned long )arg == 0UL)) && ((((i == 4 || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) [2024-01-31 16:13:01,235 INFO L98 nessWitnessExtractor]: Location invariant before [L1010-L1010] (((unsigned long )arg == 0UL) && (flag == (_Bool)0 || flag == (_Bool)1)) && ((((i == 4 || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) [2024-01-31 16:13:01,235 INFO L98 nessWitnessExtractor]: Location invariant before [L1017-L1017] (i == 5) && ((unsigned long )arg == 0UL) [2024-01-31 16:13:01,235 INFO L98 nessWitnessExtractor]: Location invariant before [L976-L976] flag == (_Bool)1 [2024-01-31 16:13:01,235 INFO L98 nessWitnessExtractor]: Location invariant before [L979-L979] flag == (_Bool)1 [2024-01-31 16:13:01,235 INFO L98 nessWitnessExtractor]: Location invariant before [L1015-L1015] (((unsigned long )arg == 0UL) && (flag == (_Bool)0 || flag == (_Bool)1)) && ((((i == 4 || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) [2024-01-31 16:13:01,235 INFO L98 nessWitnessExtractor]: Location invariant before [L998-L998] (((unsigned long )arg == 0UL) && (flag == (_Bool)0 || flag == (_Bool)1)) && ((((i == 3 || i == 2) || i == 1) || (0 == i && i == 0)) || i == 4) [2024-01-31 16:13:01,235 INFO L98 nessWitnessExtractor]: Location invariant before [L995-L995] (((unsigned long )arg == 0UL) && (flag == (_Bool)0 || flag == (_Bool)1)) && ((((i == 3 || i == 2) || i == 1) || (0 == i && i == 0)) || i == 4) [2024-01-31 16:13:01,235 INFO L98 nessWitnessExtractor]: Location invariant before [L1012-L1012] ((flag == (_Bool)1) && ((unsigned long )arg == 0UL)) && ((((((((i == 4 || i == 3) || i == 3) || i == 2) || i == 2) || i == 1) || i == 1) || (0 == i && i == 0)) || (0 == i && i == 0)) [2024-01-31 16:13:01,236 INFO L98 nessWitnessExtractor]: Location invariant after [L941-L941] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:01,236 INFO L98 nessWitnessExtractor]: Location invariant before [L23-L23] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:01,236 INFO L98 nessWitnessExtractor]: Location invariant after [L23-L23] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:01,236 INFO L98 nessWitnessExtractor]: Location invariant before [L1002-L1002] (i == 5) && ((unsigned long )arg == 0UL) [2024-01-31 16:13:01,236 INFO L98 nessWitnessExtractor]: Location invariant before [L954-L954] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:01,236 INFO L98 nessWitnessExtractor]: Location invariant before [L965-L965] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:01,236 INFO L98 nessWitnessExtractor]: Location invariant before [L941-L941] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:01,237 INFO L98 nessWitnessExtractor]: Location invariant before [L970-L970] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:01,237 INFO L98 nessWitnessExtractor]: Location invariant before [L983-L983] flag == (_Bool)1 [2024-01-31 16:13:01,237 INFO L98 nessWitnessExtractor]: Location invariant before [L1009-L1009] ((unsigned long )arg == 0UL) && ((((i == 4 || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) [2024-01-31 16:13:01,237 INFO L98 nessWitnessExtractor]: Location invariant before [L969-L969] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:01,237 INFO L98 nessWitnessExtractor]: Loop invariant at [L992-L992] (unsigned long )arg == 0UL [2024-01-31 16:13:01,237 INFO L98 nessWitnessExtractor]: Location invariant before [L978-L978] flag == (_Bool)1 [2024-01-31 16:13:01,237 INFO L98 nessWitnessExtractor]: Location invariant before [L946-L946] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:01,238 INFO L98 nessWitnessExtractor]: Location invariant before [L1023-L1023] flag == (_Bool)0 [2024-01-31 16:13:01,238 INFO L98 nessWitnessExtractor]: Location invariant before [L962-L962] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:01,238 INFO L98 nessWitnessExtractor]: Location invariant before [L984-L984] flag == (_Bool)1 [2024-01-31 16:13:01,238 INFO L98 nessWitnessExtractor]: Location invariant before [L999-L999] (((unsigned long )arg == 0UL) && (flag == (_Bool)0 || flag == (_Bool)1)) && ((((i == 3 || i == 2) || i == 1) || (0 == i && i == 0)) || i == 4) [2024-01-31 16:13:01,238 INFO L98 nessWitnessExtractor]: Location invariant before [L1000-L1000] ((flag == (_Bool)1) && ((unsigned long )arg == 0UL)) && ((((i == 3 || i == 2) || i == 1) || (0 == i && i == 0)) || i == 4) [2024-01-31 16:13:01,238 INFO L98 nessWitnessExtractor]: Location invariant before [L950-L950] flag == (_Bool)1 [2024-01-31 16:13:01,238 INFO L98 nessWitnessExtractor]: Location invariant before [L994-L994] ((unsigned long )arg == 0UL) && ((((i == 3 || i == 2) || i == 1) || (0 == i && i == 0)) || i == 4) [2024-01-31 16:13:01,279 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:13:01,614 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 16:13:01,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:13:01,664 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local [2024-01-31 16:13:01,711 ERROR L326 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: flag [2024-01-31 16:13:01,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@213454c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:13:01, skipping insertion in model container [2024-01-31 16:13:01,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:13:01,712 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-01-31 16:13:01,714 INFO L158 Benchmark]: Toolchain (without parser) took 608.90ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 59.1MB in the beginning and 111.9MB in the end (delta: -52.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-01-31 16:13:01,714 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 138.4MB. Free memory was 101.6MB in the beginning and 101.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:13:01,715 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:13:01,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 604.88ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 58.9MB in the beginning and 111.9MB in the end (delta: -53.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-01-31 16:13:01,717 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 0.16ms. Allocated memory is still 138.4MB. Free memory was 101.6MB in the beginning and 101.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 604.88ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 58.9MB in the beginning and 111.9MB in the end (delta: -53.1MB). Peak memory consumption was 14.2MB. 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-wip.fs.extract-columns-fced0e8-m [2024-01-31 16:13:03,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:13:04,020 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-01-31 16:13:04,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:13:04,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:13:04,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:13:04,062 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:13:04,062 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:13:04,063 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:13:04,066 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:13:04,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:13:04,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:13:04,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:13:04,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:13:04,068 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:13:04,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:13:04,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:13:04,069 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:13:04,069 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:13:04,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:13:04,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:13:04,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:13:04,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:13:04,071 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-01-31 16:13:04,071 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-01-31 16:13:04,071 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:13:04,071 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-01-31 16:13:04,071 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:13:04,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:13:04,072 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:13:04,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:13:04,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:13:04,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:13:04,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:13:04,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:13:04,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:13:04,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:13:04,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:13:04,075 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-01-31 16:13:04,075 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-01-31 16:13:04,075 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:13:04,075 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:13:04,075 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:13:04,076 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:13:04,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:13:04,076 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-01-31 16:13:04,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:13:04,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:13:04,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:13:04,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:13:04,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:13:04,360 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:13:04,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2024-01-31 16:13:05,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:13:05,701 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:13:05,702 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i [2024-01-31 16:13:05,723 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6eddb0bd/138830eb0cac477b8dce5e44323ba4b8/FLAGd5eb6b36b [2024-01-31 16:13:05,733 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6eddb0bd/138830eb0cac477b8dce5e44323ba4b8 [2024-01-31 16:13:05,735 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:13:05,736 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:13:05,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/stack-2.yml/witness.yml [2024-01-31 16:13:05,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:13:05,859 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:13:05,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:13:05,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:13:05,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:13:05,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:13:05" (1/2) ... [2024-01-31 16:13:05,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668ba87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:13:05, skipping insertion in model container [2024-01-31 16:13:05,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:13:05" (1/2) ... [2024-01-31 16:13:05,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6634b4db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:13:05, skipping insertion in model container [2024-01-31 16:13:05,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:13:05" (2/2) ... [2024-01-31 16:13:05,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668ba87f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:13:05, skipping insertion in model container [2024-01-31 16:13:05,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:13:05" (2/2) ... [2024-01-31 16:13:05,867 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:13:05,979 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:13:05,981 INFO L98 nessWitnessExtractor]: Location invariant before [L995-L995] (((unsigned long )arg == 0UL) && (flag == (_Bool)0 || flag == (_Bool)1)) && ((((i == 3 || i == 2) || i == 1) || (0 == i && i == 0)) || i == 4) [2024-01-31 16:13:05,981 INFO L98 nessWitnessExtractor]: Location invariant before [L23-L23] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:05,981 INFO L98 nessWitnessExtractor]: Location invariant before [L999-L999] (((unsigned long )arg == 0UL) && (flag == (_Bool)0 || flag == (_Bool)1)) && ((((i == 3 || i == 2) || i == 1) || (0 == i && i == 0)) || i == 4) [2024-01-31 16:13:05,981 INFO L98 nessWitnessExtractor]: Location invariant before [L969-L969] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:05,981 INFO L98 nessWitnessExtractor]: Loop invariant at [L1007-L1007] (unsigned long )arg == 0UL [2024-01-31 16:13:05,981 INFO L98 nessWitnessExtractor]: Location invariant before [L970-L970] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:05,981 INFO L98 nessWitnessExtractor]: Location invariant before [L997-L997] (((unsigned long )arg == 0UL) && (flag == (_Bool)0 || flag == (_Bool)1)) && ((((((((i == 3 || i == 2) || i == 2) || i == 1) || i == 1) || (0 == i && i == 0)) || (0 == i && i == 0)) || i == 4) || i == 4) [2024-01-31 16:13:05,981 INFO L98 nessWitnessExtractor]: Location invariant before [L978-L978] flag == (_Bool)1 [2024-01-31 16:13:05,982 INFO L98 nessWitnessExtractor]: Location invariant before [L1023-L1023] flag == (_Bool)0 [2024-01-31 16:13:05,982 INFO L98 nessWitnessExtractor]: Location invariant before [L962-L962] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:05,982 INFO L98 nessWitnessExtractor]: Location invariant before [L965-L965] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:05,982 INFO L98 nessWitnessExtractor]: Location invariant before [L964-L964] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:05,982 INFO L98 nessWitnessExtractor]: Location invariant before [L998-L998] (((unsigned long )arg == 0UL) && (flag == (_Bool)0 || flag == (_Bool)1)) && ((((i == 3 || i == 2) || i == 1) || (0 == i && i == 0)) || i == 4) [2024-01-31 16:13:05,982 INFO L98 nessWitnessExtractor]: Loop invariant at [L992-L992] (unsigned long )arg == 0UL [2024-01-31 16:13:05,982 INFO L98 nessWitnessExtractor]: Location invariant before [L1010-L1010] (((unsigned long )arg == 0UL) && (flag == (_Bool)0 || flag == (_Bool)1)) && ((((i == 4 || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) [2024-01-31 16:13:05,982 INFO L98 nessWitnessExtractor]: Location invariant before [L972-L972] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:05,983 INFO L98 nessWitnessExtractor]: Location invariant after [L941-L941] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:05,983 INFO L98 nessWitnessExtractor]: Location invariant before [L1012-L1012] ((flag == (_Bool)1) && ((unsigned long )arg == 0UL)) && ((((((((i == 4 || i == 3) || i == 3) || i == 2) || i == 2) || i == 1) || i == 1) || (0 == i && i == 0)) || (0 == i && i == 0)) [2024-01-31 16:13:05,983 INFO L98 nessWitnessExtractor]: Location invariant before [L1002-L1002] (i == 5) && ((unsigned long )arg == 0UL) [2024-01-31 16:13:05,983 INFO L98 nessWitnessExtractor]: Location invariant before [L1017-L1017] (i == 5) && ((unsigned long )arg == 0UL) [2024-01-31 16:13:05,983 INFO L98 nessWitnessExtractor]: Location invariant before [L994-L994] ((unsigned long )arg == 0UL) && ((((i == 3 || i == 2) || i == 1) || (0 == i && i == 0)) || i == 4) [2024-01-31 16:13:05,984 INFO L98 nessWitnessExtractor]: Location invariant before [L941-L941] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:05,984 INFO L98 nessWitnessExtractor]: Location invariant before [L946-L946] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:05,984 INFO L98 nessWitnessExtractor]: Location invariant after [L23-L23] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:05,984 INFO L98 nessWitnessExtractor]: Location invariant before [L23-L23] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:05,984 INFO L98 nessWitnessExtractor]: Location invariant before [L984-L984] flag == (_Bool)1 [2024-01-31 16:13:05,984 INFO L98 nessWitnessExtractor]: Location invariant before [L1022-L1022] flag == (_Bool)0 [2024-01-31 16:13:05,984 INFO L98 nessWitnessExtractor]: Location invariant before [L1015-L1015] (((unsigned long )arg == 0UL) && (flag == (_Bool)0 || flag == (_Bool)1)) && ((((i == 4 || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) [2024-01-31 16:13:05,984 INFO L98 nessWitnessExtractor]: Location invariant before [L1013-L1013] ((flag == (_Bool)1) && ((unsigned long )arg == 0UL)) && ((((i == 4 || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) [2024-01-31 16:13:05,985 INFO L98 nessWitnessExtractor]: Location invariant before [L1000-L1000] ((flag == (_Bool)1) && ((unsigned long )arg == 0UL)) && ((((i == 3 || i == 2) || i == 1) || (0 == i && i == 0)) || i == 4) [2024-01-31 16:13:05,985 INFO L98 nessWitnessExtractor]: Location invariant before [L954-L954] flag == (_Bool)0 || flag == (_Bool)1 [2024-01-31 16:13:05,985 INFO L98 nessWitnessExtractor]: Location invariant before [L996-L996] (((unsigned long )arg == 0UL) && (flag == (_Bool)0 || flag == (_Bool)1)) && ((((i == 3 || i == 2) || i == 1) || (0 == i && i == 0)) || i == 4) [2024-01-31 16:13:05,985 INFO L98 nessWitnessExtractor]: Location invariant before [L976-L976] flag == (_Bool)1 [2024-01-31 16:13:05,986 INFO L98 nessWitnessExtractor]: Location invariant before [L979-L979] flag == (_Bool)1 [2024-01-31 16:13:05,987 INFO L98 nessWitnessExtractor]: Location invariant before [L950-L950] flag == (_Bool)1 [2024-01-31 16:13:05,987 INFO L98 nessWitnessExtractor]: Location invariant before [L1009-L1009] ((unsigned long )arg == 0UL) && ((((i == 4 || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) [2024-01-31 16:13:05,987 INFO L98 nessWitnessExtractor]: Location invariant before [L983-L983] flag == (_Bool)1 [2024-01-31 16:13:06,037 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:13:06,397 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 16:13:06,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:13:06,433 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local [2024-01-31 16:13:06,461 ERROR L326 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: flag [2024-01-31 16:13:06,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6634b4db and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:13:06, skipping insertion in model container [2024-01-31 16:13:06,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:13:06,462 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-01-31 16:13:06,463 INFO L158 Benchmark]: Toolchain (without parser) took 603.31ms. Allocated memory is still 60.8MB. Free memory was 35.4MB in the beginning and 31.9MB in the end (delta: 3.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-01-31 16:13:06,464 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 39.8MB. Free memory was 21.1MB in the beginning and 21.0MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:13:06,465 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 60.8MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:13:06,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 601.62ms. Allocated memory is still 60.8MB. Free memory was 35.2MB in the beginning and 31.9MB in the end (delta: 3.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-01-31 16:13:06,467 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 39.8MB. Free memory was 21.1MB in the beginning and 21.0MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 60.8MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 601.62ms. Allocated memory is still 60.8MB. Free memory was 35.2MB in the beginning and 31.9MB in the end (delta: 3.3MB). Peak memory consumption was 9.5MB. 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 Writing output log to file Ultimate.log Result: UNKNOWN