./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/39_rand_lock_p0_vs-pthread.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/39_rand_lock_p0_vs-pthread.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 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-ext/39_rand_lock_p0_vs-pthread.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/39_rand_lock_p0_vs-pthread.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-dev-958ec4d-m [2024-02-07 14:23:20,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:23:20,693 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:23:20,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:23:20,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:23:20,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:23:20,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:23:20,719 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:23:20,720 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:23:20,720 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:23:20,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:23:20,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:23:20,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:23:20,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:23:20,722 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:23:20,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:23:20,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:23:20,722 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:23:20,723 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:23:20,723 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:23:20,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:23:20,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:23:20,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:23:20,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:23:20,724 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:23:20,725 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:23:20,725 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:23:20,725 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:23:20,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:23:20,726 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:23:20,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:23:20,726 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:23:20,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:23:20,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:23:20,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:23:20,727 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:23:20,728 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:23:20,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:23:20,728 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:23:20,728 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:23:20,729 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:23:20,729 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:23:20,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:23:20,729 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:23:20,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:23:20,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:23:20,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:23:20,897 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:23:20,898 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:23:20,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/39_rand_lock_p0_vs-pthread.i [2024-02-07 14:23:21,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:23:22,094 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:23:22,096 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/39_rand_lock_p0_vs-pthread.i [2024-02-07 14:23:22,112 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a85e969/235f73cb877e45a29cfa0eb5d9714eef/FLAG69d3a9084 [2024-02-07 14:23:22,237 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a85e969/235f73cb877e45a29cfa0eb5d9714eef [2024-02-07 14:23:22,239 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:23:22,241 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:23:22,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/39_rand_lock_p0_vs-pthread.yml/witness.yml [2024-02-07 14:23:22,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:23:22,322 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:23:22,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:23:22,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:23:22,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:23:22,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:23:22" (1/2) ... [2024-02-07 14:23:22,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4607f751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:23:22, skipping insertion in model container [2024-02-07 14:23:22,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:23:22" (1/2) ... [2024-02-07 14:23:22,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27e96068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:23:22, skipping insertion in model container [2024-02-07 14:23:22,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:23:22" (2/2) ... [2024-02-07 14:23:22,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4607f751 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:22, skipping insertion in model container [2024-02-07 14:23:22,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:23:22" (2/2) ... [2024-02-07 14:23:22,332 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:23:22,408 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:23:22,410 INFO L76 edCorrectnessWitness]: Location invariant before [L699-L699] (((((((((((((4294967296LL + (long long )nexts) + (long long )read >= 0LL) && ((4294967296LL + (long long )nextInt_return) + (long long )read >= 0LL)) && ((4294967296LL + (long long )nextInt_return) + (long long )nexts >= 0LL)) && ((4294967295LL - (long long )nexts) + (long long )read >= 0LL)) && ((4294967295LL - (long long )nextInt_return) + (long long )read >= 0LL)) && ((4294967295LL - (long long )nextInt_return) + (long long )nexts >= 0LL)) && ((4294967295LL + (long long )nexts) - (long long )read >= 0LL)) && ((4294967295LL + (long long )nextInt_return) - (long long )read >= 0LL)) && ((4294967295LL + (long long )nextInt_return) - (long long )nexts >= 0LL)) && ((4294967294LL - (long long )nexts) - (long long )read >= 0LL)) && ((4294967294LL - (long long )nextInt_return) - (long long )read >= 0LL)) && ((4294967294LL - (long long )nextInt_return) - (long long )nexts >= 0LL)) && (seed != 0) [2024-02-07 14:23:22,410 INFO L76 edCorrectnessWitness]: Location invariant before [L702-L702] (((((((((((((4294967296LL + (long long )nexts) + (long long )read >= 0LL) && ((4294967296LL + (long long )nextInt_return) + (long long )read >= 0LL)) && ((4294967296LL + (long long )nextInt_return) + (long long )nexts >= 0LL)) && ((4294967295LL - (long long )nexts) + (long long )read >= 0LL)) && ((4294967295LL - (long long )nextInt_return) + (long long )read >= 0LL)) && ((4294967295LL - (long long )nextInt_return) + (long long )nexts >= 0LL)) && ((4294967295LL + (long long )nexts) - (long long )read >= 0LL)) && ((4294967295LL + (long long )nextInt_return) - (long long )read >= 0LL)) && ((4294967295LL + (long long )nextInt_return) - (long long )nexts >= 0LL)) && ((4294967294LL - (long long )nexts) - (long long )read >= 0LL)) && ((4294967294LL - (long long )nextInt_return) - (long long )read >= 0LL)) && ((4294967294LL - (long long )nextInt_return) - (long long )nexts >= 0LL)) && (seed != 0) [2024-02-07 14:23:22,410 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] (((((4294967296LL + (long long )nextInt_return) + (long long )nexts >= 0LL) && ((4294967295LL - (long long )nextInt_return) + (long long )nexts >= 0LL)) && ((4294967295LL + (long long )nextInt_return) - (long long )nexts >= 0LL)) && ((4294967294LL - (long long )nextInt_return) - (long long )nexts >= 0LL)) && (read != 0) [2024-02-07 14:23:22,410 INFO L76 edCorrectnessWitness]: Location invariant before [L709-L709] ((nextInt_return <= 10) && ((0LL - (long long )nextInt_return) + (long long )nexts >= 0LL)) && (nextInt_return != 0) [2024-02-07 14:23:22,411 INFO L76 edCorrectnessWitness]: Location invariant before [L701-L701] ((((((((((((4294967296LL + (long long )nexts) + (long long )read >= 0LL) && ((4294967296LL + (long long )nextInt_return) + (long long )read >= 0LL)) && ((4294967296LL + (long long )nextInt_return) + (long long )nexts >= 0LL)) && ((4294967295LL - (long long )nexts) + (long long )read >= 0LL)) && ((4294967295LL - (long long )nextInt_return) + (long long )read >= 0LL)) && ((4294967295LL - (long long )nextInt_return) + (long long )nexts >= 0LL)) && ((4294967295LL + (long long )nexts) - (long long )read >= 0LL)) && ((4294967295LL + (long long )nextInt_return) - (long long )read >= 0LL)) && ((4294967295LL + (long long )nextInt_return) - (long long )nexts >= 0LL)) && ((4294967294LL - (long long )nexts) - (long long )read >= 0LL)) && ((4294967294LL - (long long )nextInt_return) - (long long )read >= 0LL)) && ((4294967294LL - (long long )nextInt_return) - (long long )nexts >= 0LL) [2024-02-07 14:23:22,411 INFO L76 edCorrectnessWitness]: Location invariant before [L705-L705] nexts != 0 [2024-02-07 14:23:22,411 INFO L76 edCorrectnessWitness]: Location invariant before [L704-L704] nexts != 0 [2024-02-07 14:23:22,412 INFO L76 edCorrectnessWitness]: Location invariant before [L693-L693] cnex != 0 [2024-02-07 14:23:22,412 INFO L76 edCorrectnessWitness]: Location invariant before [L698-L698] ((((((((((((4294967296LL + (long long )nexts) + (long long )read >= 0LL) && ((4294967296LL + (long long )nextInt_return) + (long long )read >= 0LL)) && ((4294967296LL + (long long )nextInt_return) + (long long )nexts >= 0LL)) && ((4294967295LL - (long long )nexts) + (long long )read >= 0LL)) && ((4294967295LL - (long long )nextInt_return) + (long long )read >= 0LL)) && ((4294967295LL - (long long )nextInt_return) + (long long )nexts >= 0LL)) && ((4294967295LL + (long long )nexts) - (long long )read >= 0LL)) && ((4294967295LL + (long long )nextInt_return) - (long long )read >= 0LL)) && ((4294967295LL + (long long )nextInt_return) - (long long )nexts >= 0LL)) && ((4294967294LL - (long long )nexts) - (long long )read >= 0LL)) && ((4294967294LL - (long long )nextInt_return) - (long long )read >= 0LL)) && ((4294967294LL - (long long )nextInt_return) - (long long )nexts >= 0LL) [2024-02-07 14:23:22,412 INFO L76 edCorrectnessWitness]: Location invariant before [L706-L706] seed != 0 [2024-02-07 14:23:22,412 INFO L76 edCorrectnessWitness]: Location invariant before [L700-L700] ((((((((((((4294967296LL + (long long )nexts) + (long long )read >= 0LL) && ((4294967296LL + (long long )nextInt_return) + (long long )read >= 0LL)) && ((4294967296LL + (long long )nextInt_return) + (long long )nexts >= 0LL)) && ((4294967295LL - (long long )nexts) + (long long )read >= 0LL)) && ((4294967295LL - (long long )nextInt_return) + (long long )read >= 0LL)) && ((4294967295LL - (long long )nextInt_return) + (long long )nexts >= 0LL)) && ((4294967295LL + (long long )nexts) - (long long )read >= 0LL)) && ((4294967295LL + (long long )nextInt_return) - (long long )read >= 0LL)) && ((4294967295LL + (long long )nextInt_return) - (long long )nexts >= 0LL)) && ((4294967294LL - (long long )nexts) - (long long )read >= 0LL)) && ((4294967294LL - (long long )nextInt_return) - (long long )read >= 0LL)) && ((4294967294LL - (long long )nextInt_return) - (long long )nexts >= 0LL) [2024-02-07 14:23:22,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:23:22,727 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-ext/39_rand_lock_p0_vs-pthread.i[30745,30758] [2024-02-07 14:23:22,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:23:22,745 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:23:22,812 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-ext/39_rand_lock_p0_vs-pthread.i[30745,30758] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:23:22,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:23:22,857 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:23:22,857 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:22 WrapperNode [2024-02-07 14:23:22,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:23:22,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:23:22,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:23:22,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:23:22,865 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 07.02 02:23:22" (1/1) ... [2024-02-07 14:23:22,874 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 07.02 02:23:22" (1/1) ... [2024-02-07 14:23:22,897 INFO L138 Inliner]: procedures = 167, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2024-02-07 14:23:22,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:23:22,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:23:22,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:23:22,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:23:22,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:22" (1/1) ... [2024-02-07 14:23:22,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:22" (1/1) ... [2024-02-07 14:23:22,908 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:22" (1/1) ... [2024-02-07 14:23:22,918 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 5, 1]. 63 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0]. The 1 writes are split as follows [0, 0, 1]. [2024-02-07 14:23:22,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:22" (1/1) ... [2024-02-07 14:23:22,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:22" (1/1) ... [2024-02-07 14:23:22,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:22" (1/1) ... [2024-02-07 14:23:22,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:22" (1/1) ... [2024-02-07 14:23:22,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:22" (1/1) ... [2024-02-07 14:23:22,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:22" (1/1) ... [2024-02-07 14:23:22,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:23:22,930 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:23:22,930 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:23:22,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:23:22,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:22" (1/1) ... [2024-02-07 14:23:22,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:23:22,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:23:22,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 14:23:22,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 14:23:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-02-07 14:23:22,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-02-07 14:23:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:23:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:23:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:23:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-02-07 14:23:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:23:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:23:22,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:23:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:23:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:23:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:23:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:23:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:23:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-02-07 14:23:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:23:22,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:23:22,985 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:23:23,074 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:23:23,075 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:23:23,324 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:23:23,324 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:23:23,432 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:23:23,432 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-02-07 14:23:23,432 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:23:23 BoogieIcfgContainer [2024-02-07 14:23:23,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:23:23,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:23:23,435 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:23:23,438 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:23:23,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:23:22" (1/4) ... [2024-02-07 14:23:23,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f77e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:23:23, skipping insertion in model container [2024-02-07 14:23:23,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:23:22" (2/4) ... [2024-02-07 14:23:23,439 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f77e11 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:23:23, skipping insertion in model container [2024-02-07 14:23:23,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:22" (3/4) ... [2024-02-07 14:23:23,439 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f77e11 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:23:23, skipping insertion in model container [2024-02-07 14:23:23,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:23:23" (4/4) ... [2024-02-07 14:23:23,440 INFO L112 eAbstractionObserver]: Analyzing ICFG 39_rand_lock_p0_vs-pthread.i [2024-02-07 14:23:23,452 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:23:23,452 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-02-07 14:23:23,453 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:23:23,490 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:23:23,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 36 transitions, 76 flow [2024-02-07 14:23:23,543 INFO L124 PetriNetUnfolderBase]: 2/38 cut-off events. [2024-02-07 14:23:23,545 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:23:23,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 38 events. 2/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 44 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2024-02-07 14:23:23,548 INFO L82 GeneralOperation]: Start removeDead. Operand has 37 places, 36 transitions, 76 flow [2024-02-07 14:23:23,551 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 36 transitions, 76 flow [2024-02-07 14:23:23,559 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:23:23,564 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25bb1f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:23:23,564 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-02-07 14:23:23,571 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:23:23,572 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-02-07 14:23:23,572 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:23:23,572 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:23:23,573 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:23:23,573 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2024-02-07 14:23:23,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:23:23,577 INFO L85 PathProgramCache]: Analyzing trace with hash 250781624, now seen corresponding path program 1 times [2024-02-07 14:23:23,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:23:23,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3593716] [2024-02-07 14:23:23,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:23:23,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:23:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:23:23,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:23:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:23:23,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:23:23,734 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:23:23,735 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 25 remaining) [2024-02-07 14:23:23,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 25 remaining) [2024-02-07 14:23:23,737 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 25 remaining) [2024-02-07 14:23:23,737 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (21 of 25 remaining) [2024-02-07 14:23:23,738 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 25 remaining) [2024-02-07 14:23:23,738 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 25 remaining) [2024-02-07 14:23:23,738 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 25 remaining) [2024-02-07 14:23:23,739 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 25 remaining) [2024-02-07 14:23:23,739 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 25 remaining) [2024-02-07 14:23:23,739 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 25 remaining) [2024-02-07 14:23:23,739 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 25 remaining) [2024-02-07 14:23:23,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 25 remaining) [2024-02-07 14:23:23,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 25 remaining) [2024-02-07 14:23:23,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 25 remaining) [2024-02-07 14:23:23,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 25 remaining) [2024-02-07 14:23:23,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (9 of 25 remaining) [2024-02-07 14:23:23,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 25 remaining) [2024-02-07 14:23:23,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 25 remaining) [2024-02-07 14:23:23,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 25 remaining) [2024-02-07 14:23:23,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 25 remaining) [2024-02-07 14:23:23,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 25 remaining) [2024-02-07 14:23:23,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 25 remaining) [2024-02-07 14:23:23,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 25 remaining) [2024-02-07 14:23:23,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 25 remaining) [2024-02-07 14:23:23,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 25 remaining) [2024-02-07 14:23:23,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:23:23,745 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 14:23:23,753 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:23:23,753 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:23:23,773 INFO L503 ceAbstractionStarter]: Automizer considered 11 witness invariants [2024-02-07 14:23:23,773 INFO L504 ceAbstractionStarter]: WitnessConsidered=11 [2024-02-07 14:23:23,775 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:23:23 BasicIcfg [2024-02-07 14:23:23,775 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:23:23,776 INFO L158 Benchmark]: Toolchain (without parser) took 1453.62ms. Allocated memory is still 188.7MB. Free memory was 150.9MB in the beginning and 104.4MB in the end (delta: 46.5MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2024-02-07 14:23:23,777 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory was 93.7MB in the beginning and 93.6MB in the end (delta: 69.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:23:23,777 INFO L158 Benchmark]: Witness Parser took 0.45ms. Allocated memory is still 188.7MB. Free memory is still 155.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:23:23,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.24ms. Allocated memory is still 188.7MB. Free memory was 150.6MB in the beginning and 117.3MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-02-07 14:23:23,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.51ms. Allocated memory is still 188.7MB. Free memory was 117.3MB in the beginning and 114.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:23:23,780 INFO L158 Benchmark]: Boogie Preprocessor took 31.18ms. Allocated memory is still 188.7MB. Free memory was 114.8MB in the beginning and 112.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:23:23,781 INFO L158 Benchmark]: RCFGBuilder took 504.13ms. Allocated memory is still 188.7MB. Free memory was 112.4MB in the beginning and 137.2MB in the end (delta: -24.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-02-07 14:23:23,781 INFO L158 Benchmark]: TraceAbstraction took 339.79ms. Allocated memory is still 188.7MB. Free memory was 136.7MB in the beginning and 104.4MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-02-07 14:23:23,786 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory was 93.7MB in the beginning and 93.6MB in the end (delta: 69.2kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.45ms. Allocated memory is still 188.7MB. Free memory is still 155.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.24ms. Allocated memory is still 188.7MB. Free memory was 150.6MB in the beginning and 117.3MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.51ms. Allocated memory is still 188.7MB. Free memory was 117.3MB in the beginning and 114.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.18ms. Allocated memory is still 188.7MB. Free memory was 114.8MB in the beginning and 112.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.13ms. Allocated memory is still 188.7MB. Free memory was 112.4MB in the beginning and 137.2MB in the end (delta: -24.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * TraceAbstraction took 339.79ms. Allocated memory is still 188.7MB. Free memory was 136.7MB in the beginning and 104.4MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 698]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L688] 0 pthread_mutex_t m = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L688] 0 pthread_mutex_t m = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L688] 0 pthread_mutex_t m = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L688] 0 pthread_mutex_t m = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L688] 0 pthread_mutex_t m = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L688] 0 pthread_mutex_t m = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L695] 0 int seed = 1; [L717] 0 pthread_t t; VAL [m={3:0}, seed=1, t={5:0}] [L718] COND TRUE 0 1 [L718] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [m={3:0}, seed=1, t={5:0}] [L712] CALL 1 PseudoRandomUsingAtomic_nextInt() [L697] 1 int read, nexts, nextInt_return; VAL [m={3:0}, seed=1] [L698] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHPLUS,IntegerLiteral[4294967296LL],CastExpression[ACSLType[long long],IdentifierExpression[nexts]]],CastExpression[ACSLType[long long],IdentifierExpression[read]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHPLUS,IntegerLiteral[4294967296LL],CastExpression[ACSLType[long long],IdentifierExpression[nextInt_return]]],CastExpression[ACSLType[long long],IdentifierExpression[read]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHPLUS,IntegerLiteral[4294967296LL],CastExpression[ACSLType[long long],IdentifierExpression[nextInt_return]]],CastExpression[ACSLType[long long],IdentifierExpression[nexts]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[4294967295LL],CastExpression[ACSLType[long long],IdentifierExpression[nexts]]],CastExpression[ACSLType[long long],IdentifierExpression[read]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[4294967295LL],CastExpression[ACSLType[long long],IdentifierExpression[nextInt_return]]],CastExpression[ACSLType[long long],IdentifierExpression[read]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[4294967295LL],CastExpression[ACSLType[long long],IdentifierExpression[nextInt_return]]],CastExpression[ACSLType[long long],IdentifierExpression[nexts]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHPLUS,IntegerLiteral[4294967295LL],CastExpression[ACSLType[long long],IdentifierExpression[nexts]]],CastExpression[ACSLType[long long],IdentifierExpression[read]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHPLUS,IntegerLiteral[4294967295LL],CastExpression[ACSLType[long long],IdentifierExpression[nextInt_return]]],CastExpression[ACSLType[long long],IdentifierExpression[read]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHPLUS,IntegerLiteral[4294967295LL],CastExpression[ACSLType[long long],IdentifierExpression[nextInt_return]]],CastExpression[ACSLType[long long],IdentifierExpression[nexts]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[4294967294LL],CastExpression[ACSLType[long long],IdentifierExpression[nexts]]],CastExpression[ACSLType[long long],IdentifierExpression[read]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[4294967294LL],CastExpression[ACSLType[long long],IdentifierExpression[nextInt_return]]],CastExpression[ACSLType[long long],IdentifierExpression[read]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[4294967294LL],CastExpression[ACSLType[long long],IdentifierExpression[nextInt_return]]],CastExpression[ACSLType[long long],IdentifierExpression[nexts]]],IntegerLiteral[0LL]]]]] VAL [m={3:0}, nextInt_return=-1, nexts=4294967296, read=8589934592, seed=1] - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 701]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 704]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 705]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 718]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 64 locations, 25 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-07 14:23:23,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE