./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.2024-08-08_07-59-58.files/mutex-meet-local/elimination_backoff_stack.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/elimination_backoff_stack.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_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-tmp.fs.goblint-validation-c091e2e-m [2024-08-13 23:40:48,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 23:40:48,719 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-13 23:40:48,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 23:40:48,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 23:40:48,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 23:40:48,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 23:40:48,749 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 23:40:48,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 23:40:48,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 23:40:48,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 23:40:48,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 23:40:48,751 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 23:40:48,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 23:40:48,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 23:40:48,753 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 23:40:48,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-13 23:40:48,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 23:40:48,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 23:40:48,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 23:40:48,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 23:40:48,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 23:40:48,757 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 23:40:48,757 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 23:40:48,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 23:40:48,758 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 23:40:48,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 23:40:48,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 23:40:48,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 23:40:48,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 23:40:48,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 23:40:48,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 23:40:48,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 23:40:48,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 23:40:48,759 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-13 23:40:48,759 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 23:40:48,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-13 23:40:48,760 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 23:40:48,760 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 23:40:48,761 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 23:40:48,761 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 23:40:48,762 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 23:40:48,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-13 23:40:48,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 23:40:48,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 23:40:48,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 23:40:48,962 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 23:40:48,962 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 23:40:48,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2024-08-13 23:40:50,138 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 23:40:50,379 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 23:40:50,380 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2024-08-13 23:40:50,396 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a77de43f4/c19fecec99894d50bcd05dacb84c27ea/FLAG8636ed65b [2024-08-13 23:40:50,714 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a77de43f4/c19fecec99894d50bcd05dacb84c27ea [2024-08-13 23:40:50,717 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 23:40:50,717 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 23:40:50,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-local/elimination_backoff_stack.yml/witness.yml [2024-08-13 23:40:50,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 23:40:50,834 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 23:40:50,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 23:40:50,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 23:40:50,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 23:40:50,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 11:40:50" (1/2) ... [2024-08-13 23:40:50,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679c98b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 11:40:50, skipping insertion in model container [2024-08-13 23:40:50,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 11:40:50" (1/2) ... [2024-08-13 23:40:50,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4804fb3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 11:40:50, skipping insertion in model container [2024-08-13 23:40:50,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 11:40:50" (2/2) ... [2024-08-13 23:40:50,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679c98b1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:50, skipping insertion in model container [2024-08-13 23:40:50,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 11:40:50" (2/2) ... [2024-08-13 23:40:50,843 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-13 23:40:50,908 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 23:40:50,909 INFO L97 edCorrectnessWitness]: Location invariant before [L1564-L1564] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:50,909 INFO L97 edCorrectnessWitness]: Location invariant before [L1547-L1547] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:50,909 INFO L97 edCorrectnessWitness]: Location invariant before [L1528-L1528] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:50,909 INFO L97 edCorrectnessWitness]: Location invariant before [L1491-L1491] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:50,909 INFO L97 edCorrectnessWitness]: Location invariant before [L1355-L1360] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:50,909 INFO L97 edCorrectnessWitness]: Location invariant before [L1367-L1372] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:50,910 INFO L97 edCorrectnessWitness]: Location invariant before [L1466-L1466] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:50,910 INFO L97 edCorrectnessWitness]: Location invariant before [L1559-L1559] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:50,910 INFO L97 edCorrectnessWitness]: Location invariant before [L1409-L1409] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:50,910 INFO L97 edCorrectnessWitness]: Location invariant before [L1481-L1485] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:50,910 INFO L97 edCorrectnessWitness]: Location invariant before [L1517-L1517] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:50,910 INFO L97 edCorrectnessWitness]: Location invariant before [L1552-L1552] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:50,910 INFO L97 edCorrectnessWitness]: Location invariant before [L1387-L1392] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:50,910 INFO L97 edCorrectnessWitness]: Location invariant before [L1400-L1400] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:50,955 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 23:40:51,370 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i[63614,63627] [2024-08-13 23:40:51,389 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 23:40:51,416 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-13 23:40:51,528 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i[63614,63627] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-13 23:40:51,541 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 23:40:51,615 INFO L206 MainTranslator]: Completed translation [2024-08-13 23:40:51,615 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:51 WrapperNode [2024-08-13 23:40:51,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 23:40:51,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-13 23:40:51,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-13 23:40:51,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-13 23:40:51,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:51" (1/1) ... [2024-08-13 23:40:51,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:51" (1/1) ... [2024-08-13 23:40:51,751 INFO L138 Inliner]: procedures = 396, calls = 204, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 4338 [2024-08-13 23:40:51,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-13 23:40:51,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-13 23:40:51,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-13 23:40:51,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-13 23:40:51,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:51" (1/1) ... [2024-08-13 23:40:51,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:51" (1/1) ... [2024-08-13 23:40:51,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:51" (1/1) ... [2024-08-13 23:40:51,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:51" (1/1) ... [2024-08-13 23:40:51,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:51" (1/1) ... [2024-08-13 23:40:51,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:51" (1/1) ... [2024-08-13 23:40:51,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:51" (1/1) ... [2024-08-13 23:40:51,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:51" (1/1) ... [2024-08-13 23:40:51,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-13 23:40:51,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-13 23:40:51,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-13 23:40:51,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-13 23:40:51,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:51" (1/1) ... [2024-08-13 23:40:51,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 23:40:51,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 23:40:51,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-13 23:40:51,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-13 23:40:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-13 23:40:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-13 23:40:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-13 23:40:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-13 23:40:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-08-13 23:40:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2024-08-13 23:40:51,959 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2024-08-13 23:40:51,959 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2024-08-13 23:40:51,960 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2024-08-13 23:40:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2024-08-13 23:40:51,961 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2024-08-13 23:40:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-13 23:40:51,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-13 23:40:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-08-13 23:40:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-08-13 23:40:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-13 23:40:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2024-08-13 23:40:51,962 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2024-08-13 23:40:51,962 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2024-08-13 23:40:51,962 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2024-08-13 23:40:51,962 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2024-08-13 23:40:51,962 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2024-08-13 23:40:51,962 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2024-08-13 23:40:51,962 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2024-08-13 23:40:51,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-13 23:40:51,966 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-13 23:40:52,229 INFO L244 CfgBuilder]: Building ICFG [2024-08-13 23:40:52,231 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-13 23:40:54,993 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-13 23:40:54,994 INFO L293 CfgBuilder]: Performing block encoding [2024-08-13 23:40:55,035 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations$UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo at de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations.merge(IAnnotations.java:78) at de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo.merge(AtomicBlockInfo.java:61) at de.uni_freiburg.informatik.ultimate.core.model.models.ModelUtils.copyAnnotationsFiltered(ModelUtils.java:165) at de.uni_freiburg.informatik.ultimate.core.model.models.ModelUtils.copyAnnotations(ModelUtils.java:66) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeSequential(CfgBuilder.java:1879) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1743) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:301) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-08-13 23:40:55,043 INFO L158 Benchmark]: Toolchain (without parser) took 4208.33ms. Allocated memory was 146.8MB in the beginning and 253.8MB in the end (delta: 107.0MB). Free memory was 89.1MB in the beginning and 117.2MB in the end (delta: -28.1MB). Peak memory consumption was 120.5MB. Max. memory is 16.1GB. [2024-08-13 23:40:55,050 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 146.8MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 23:40:55,050 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 146.8MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 23:40:55,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 780.50ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 88.8MB in the beginning and 125.5MB in the end (delta: -36.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-08-13 23:40:55,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.05ms. Allocated memory is still 190.8MB. Free memory was 125.5MB in the beginning and 104.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-08-13 23:40:55,052 INFO L158 Benchmark]: Boogie Preprocessor took 148.84ms. Allocated memory is still 190.8MB. Free memory was 104.5MB in the beginning and 84.6MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-08-13 23:40:55,052 INFO L158 Benchmark]: RCFGBuilder took 3139.56ms. Allocated memory was 190.8MB in the beginning and 253.8MB in the end (delta: 62.9MB). Free memory was 83.6MB in the beginning and 117.2MB in the end (delta: -33.7MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2024-08-13 23:40:55,055 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 146.8MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 146.8MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 780.50ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 88.8MB in the beginning and 125.5MB in the end (delta: -36.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.05ms. Allocated memory is still 190.8MB. Free memory was 125.5MB in the beginning and 104.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 148.84ms. Allocated memory is still 190.8MB. Free memory was 104.5MB in the beginning and 84.6MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3139.56ms. Allocated memory was 190.8MB in the beginning and 253.8MB in the end (delta: 62.9MB). Free memory was 83.6MB in the beginning and 117.2MB in the end (delta: -33.7MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo: de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations.merge(IAnnotations.java:78) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-08-13 23:40:55,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 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/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/elimination_backoff_stack.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_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-tmp.fs.goblint-validation-c091e2e-m [2024-08-13 23:40:56,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 23:40:56,841 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-13 23:40:56,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 23:40:56,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 23:40:56,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 23:40:56,869 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 23:40:56,869 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 23:40:56,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 23:40:56,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 23:40:56,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 23:40:56,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 23:40:56,870 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 23:40:56,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 23:40:56,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 23:40:56,871 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 23:40:56,871 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 23:40:56,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 23:40:56,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 23:40:56,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 23:40:56,872 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 23:40:56,875 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-13 23:40:56,877 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 23:40:56,877 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-13 23:40:56,877 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 23:40:56,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 23:40:56,877 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 23:40:56,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 23:40:56,878 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 23:40:56,880 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 23:40:56,880 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 23:40:56,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 23:40:56,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 23:40:56,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 23:40:56,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 23:40:56,890 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-13 23:40:56,890 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 23:40:56,890 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-13 23:40:56,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 23:40:56,891 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 23:40:56,891 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 23:40:56,891 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 23:40:56,892 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 23:40:56,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-13 23:40:56,892 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-13 23:40:57,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 23:40:57,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 23:40:57,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 23:40:57,157 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 23:40:57,158 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 23:40:57,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2024-08-13 23:40:58,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 23:40:58,733 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 23:40:58,734 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2024-08-13 23:40:58,752 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8c206fabd/249e620ba7dd4047b4f3a02baf210346/FLAG2a6a87395 [2024-08-13 23:40:58,762 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8c206fabd/249e620ba7dd4047b4f3a02baf210346 [2024-08-13 23:40:58,764 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 23:40:58,764 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 23:40:58,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-local/elimination_backoff_stack.yml/witness.yml [2024-08-13 23:40:58,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 23:40:58,879 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 23:40:58,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 23:40:58,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 23:40:58,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 23:40:58,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 11:40:58" (1/2) ... [2024-08-13 23:40:58,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71107d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 11:40:58, skipping insertion in model container [2024-08-13 23:40:58,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 11:40:58" (1/2) ... [2024-08-13 23:40:58,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c766d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 11:40:58, skipping insertion in model container [2024-08-13 23:40:58,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 11:40:58" (2/2) ... [2024-08-13 23:40:58,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71107d0d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:58, skipping insertion in model container [2024-08-13 23:40:58,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 11:40:58" (2/2) ... [2024-08-13 23:40:58,889 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-13 23:40:58,957 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 23:40:58,958 INFO L97 edCorrectnessWitness]: Location invariant before [L1466-L1466] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:58,958 INFO L97 edCorrectnessWitness]: Location invariant before [L1409-L1409] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:58,958 INFO L97 edCorrectnessWitness]: Location invariant before [L1528-L1528] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:58,958 INFO L97 edCorrectnessWitness]: Location invariant before [L1564-L1564] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:58,959 INFO L97 edCorrectnessWitness]: Location invariant before [L1400-L1400] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:58,959 INFO L97 edCorrectnessWitness]: Location invariant before [L1547-L1547] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:58,959 INFO L97 edCorrectnessWitness]: Location invariant before [L1355-L1360] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:58,959 INFO L97 edCorrectnessWitness]: Location invariant before [L1517-L1517] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:58,959 INFO L97 edCorrectnessWitness]: Location invariant before [L1552-L1552] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:58,959 INFO L97 edCorrectnessWitness]: Location invariant before [L1367-L1372] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:58,960 INFO L97 edCorrectnessWitness]: Location invariant before [L1559-L1559] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:58,960 INFO L97 edCorrectnessWitness]: Location invariant before [L1481-L1485] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:58,960 INFO L97 edCorrectnessWitness]: Location invariant before [L1387-L1392] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:58,960 INFO L97 edCorrectnessWitness]: Location invariant before [L1491-L1491] (0 <= collision) && (0 <= unique_id) [2024-08-13 23:40:59,008 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 23:40:59,512 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i[63614,63627] [2024-08-13 23:40:59,531 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 23:40:59,551 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-13 23:40:59,667 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i[63614,63627] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-13 23:40:59,673 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 23:40:59,757 INFO L206 MainTranslator]: Completed translation [2024-08-13 23:40:59,757 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:59 WrapperNode [2024-08-13 23:40:59,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 23:40:59,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-13 23:40:59,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-13 23:40:59,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-13 23:40:59,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:59" (1/1) ... [2024-08-13 23:40:59,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:59" (1/1) ... [2024-08-13 23:40:59,892 INFO L138 Inliner]: procedures = 400, calls = 204, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 4226 [2024-08-13 23:40:59,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-13 23:40:59,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-13 23:40:59,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-13 23:40:59,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-13 23:40:59,935 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:59" (1/1) ... [2024-08-13 23:40:59,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:59" (1/1) ... [2024-08-13 23:40:59,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:59" (1/1) ... [2024-08-13 23:40:59,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:59" (1/1) ... [2024-08-13 23:41:00,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:59" (1/1) ... [2024-08-13 23:41:00,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:59" (1/1) ... [2024-08-13 23:41:00,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:59" (1/1) ... [2024-08-13 23:41:00,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:59" (1/1) ... [2024-08-13 23:41:00,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-13 23:41:00,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-13 23:41:00,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-13 23:41:00,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-13 23:41:00,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:40:59" (1/1) ... [2024-08-13 23:41:00,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 23:41:00,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 23:41:00,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-13 23:41:00,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-13 23:41:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-13 23:41:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-08-13 23:41:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-08-13 23:41:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-13 23:41:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-13 23:41:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-08-13 23:41:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2024-08-13 23:41:00,159 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2024-08-13 23:41:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2024-08-13 23:41:00,159 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2024-08-13 23:41:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2024-08-13 23:41:00,160 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2024-08-13 23:41:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-13 23:41:00,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-13 23:41:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-08-13 23:41:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-08-13 23:41:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-08-13 23:41:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-08-13 23:41:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2024-08-13 23:41:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2024-08-13 23:41:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2024-08-13 23:41:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2024-08-13 23:41:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2024-08-13 23:41:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2024-08-13 23:41:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2024-08-13 23:41:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2024-08-13 23:41:00,164 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-13 23:41:00,549 INFO L244 CfgBuilder]: Building ICFG [2024-08-13 23:41:00,550 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-13 23:41:04,521 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-13 23:41:04,521 INFO L293 CfgBuilder]: Performing block encoding [2024-08-13 23:41:04,570 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations$UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo at de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations.merge(IAnnotations.java:78) at de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo.merge(AtomicBlockInfo.java:61) at de.uni_freiburg.informatik.ultimate.core.model.models.ModelUtils.copyAnnotationsFiltered(ModelUtils.java:165) at de.uni_freiburg.informatik.ultimate.core.model.models.ModelUtils.copyAnnotations(ModelUtils.java:66) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeSequential(CfgBuilder.java:1879) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1743) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:301) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-08-13 23:41:04,576 INFO L158 Benchmark]: Toolchain (without parser) took 5695.72ms. Allocated memory was 62.9MB in the beginning and 197.1MB in the end (delta: 134.2MB). Free memory was 36.3MB in the beginning and 99.2MB in the end (delta: -62.9MB). Peak memory consumption was 105.0MB. Max. memory is 16.1GB. [2024-08-13 23:41:04,576 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 62.9MB. Free memory was 37.7MB in the beginning and 37.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 23:41:04,577 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 62.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 23:41:04,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 876.73ms. Allocated memory was 62.9MB in the beginning and 107.0MB in the end (delta: 44.0MB). Free memory was 36.1MB in the beginning and 60.4MB in the end (delta: -24.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2024-08-13 23:41:04,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 167.73ms. Allocated memory is still 107.0MB. Free memory was 60.4MB in the beginning and 72.1MB in the end (delta: -11.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-08-13 23:41:04,578 INFO L158 Benchmark]: Boogie Preprocessor took 174.58ms. Allocated memory is still 107.0MB. Free memory was 72.1MB in the beginning and 51.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-08-13 23:41:04,579 INFO L158 Benchmark]: RCFGBuilder took 4471.66ms. Allocated memory was 107.0MB in the beginning and 197.1MB in the end (delta: 90.2MB). Free memory was 50.5MB in the beginning and 99.2MB in the end (delta: -48.7MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2024-08-13 23:41:04,582 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 62.9MB. Free memory was 37.7MB in the beginning and 37.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 62.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 876.73ms. Allocated memory was 62.9MB in the beginning and 107.0MB in the end (delta: 44.0MB). Free memory was 36.1MB in the beginning and 60.4MB in the end (delta: -24.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 167.73ms. Allocated memory is still 107.0MB. Free memory was 60.4MB in the beginning and 72.1MB in the end (delta: -11.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 174.58ms. Allocated memory is still 107.0MB. Free memory was 72.1MB in the beginning and 51.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 4471.66ms. Allocated memory was 107.0MB in the beginning and 197.1MB in the end (delta: 90.2MB). Free memory was 50.5MB in the beginning and 99.2MB in the end (delta: -48.7MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo: de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations.merge(IAnnotations.java:78) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-08-13 23:41:04,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo