./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bcb38a6f 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/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i ./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-bcb38a6-m [2024-06-03 20:57:10,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-03 20:57:10,839 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-03 20:57:10,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-03 20:57:10,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-03 20:57:10,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-03 20:57:10,891 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-03 20:57:10,891 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-03 20:57:10,892 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-03 20:57:10,896 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-03 20:57:10,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-03 20:57:10,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-03 20:57:10,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-03 20:57:10,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-03 20:57:10,899 INFO L153 SettingsManager]: * Use SBE=true [2024-06-03 20:57:10,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-03 20:57:10,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-03 20:57:10,900 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-03 20:57:10,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-03 20:57:10,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-03 20:57:10,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-03 20:57:10,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-03 20:57:10,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-03 20:57:10,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-03 20:57:10,902 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-03 20:57:10,902 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-03 20:57:10,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-03 20:57:10,903 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-03 20:57:10,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-03 20:57:10,904 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-03 20:57:10,905 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-03 20:57:10,905 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-03 20:57:10,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 20:57:10,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-03 20:57:10,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-03 20:57:10,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-03 20:57:10,906 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-03 20:57:10,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-03 20:57:10,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-03 20:57:10,907 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-03 20:57:10,907 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-03 20:57:10,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-03 20:57:10,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-03 20:57:10,908 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-03 20:57:11,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-03 20:57:11,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-03 20:57:11,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-03 20:57:11,194 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-03 20:57:11,195 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-03 20:57:11,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.yml/witness.yml [2024-06-03 20:57:11,285 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-03 20:57:11,285 INFO L274 PluginConnector]: CDTParser initialized [2024-06-03 20:57:11,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2024-06-03 20:57:12,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-03 20:57:12,702 INFO L384 CDTParser]: Found 1 translation units. [2024-06-03 20:57:12,705 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2024-06-03 20:57:12,718 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3932c69db/4c5ef0aee13045f2ada17a24905f13f7/FLAGc9a5720a4 [2024-06-03 20:57:12,729 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3932c69db/4c5ef0aee13045f2ada17a24905f13f7 [2024-06-03 20:57:12,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-03 20:57:12,731 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-03 20:57:12,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-03 20:57:12,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-03 20:57:12,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-03 20:57:12,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 08:57:11" (1/2) ... [2024-06-03 20:57:12,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fc0587 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 08:57:12, skipping insertion in model container [2024-06-03 20:57:12,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 08:57:11" (1/2) ... [2024-06-03 20:57:12,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@597d29b0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 08:57:12, skipping insertion in model container [2024-06-03 20:57:12,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 08:57:12" (2/2) ... [2024-06-03 20:57:12,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fc0587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:12, skipping insertion in model container [2024-06-03 20:57:12,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 08:57:12" (2/2) ... [2024-06-03 20:57:12,741 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-03 20:57:12,789 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-03 20:57:12,791 INFO L97 edCorrectnessWitness]: Location invariant before [L695-L695] ((! multithreaded || (((0 <= g && g <= 42) && g <= 127) && ((g == 0 || g == 17) || g == 42))) && (! multithreaded || (B_locked || (((0 <= g && g <= 42) && g <= 127) && ((g == 0 || g == 17) || g == 42))))) && (! multithreaded || (A_locked || (((0 <= g && g <= 42) && g <= 127) && ((g == 0 || g == 17) || g == 42)))) [2024-06-03 20:57:12,791 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-03 20:57:12,791 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-03 20:57:12,791 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-03 20:57:12,792 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] B_locked = 0; [2024-06-03 20:57:12,792 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] multithreaded = 1; [2024-06-03 20:57:12,792 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] A_locked = 1; [2024-06-03 20:57:12,792 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-06-03 20:57:12,792 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] A_locked = 0; [2024-06-03 20:57:12,793 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] A_locked = 0; [2024-06-03 20:57:12,793 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 0; [2024-06-03 20:57:12,793 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] B_locked = 1; [2024-06-03 20:57:12,793 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] B_locked = 0; [2024-06-03 20:57:12,793 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] B_locked = 1; [2024-06-03 20:57:12,793 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] B_locked = 1; [2024-06-03 20:57:12,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-03 20:57:13,128 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 20:57:13,140 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-03 20:57:13,237 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 20:57:13,267 INFO L206 MainTranslator]: Completed translation [2024-06-03 20:57:13,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:13 WrapperNode [2024-06-03 20:57:13,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-03 20:57:13,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-03 20:57:13,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-03 20:57:13,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-03 20:57:13,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:13" (1/1) ... [2024-06-03 20:57:13,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:13" (1/1) ... [2024-06-03 20:57:13,332 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-06-03 20:57:13,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-03 20:57:13,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-03 20:57:13,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-03 20:57:13,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-03 20:57:13,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:13" (1/1) ... [2024-06-03 20:57:13,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:13" (1/1) ... [2024-06-03 20:57:13,345 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:13" (1/1) ... [2024-06-03 20:57:13,359 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-06-03 20:57:13,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:13" (1/1) ... [2024-06-03 20:57:13,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:13" (1/1) ... [2024-06-03 20:57:13,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:13" (1/1) ... [2024-06-03 20:57:13,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:13" (1/1) ... [2024-06-03 20:57:13,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:13" (1/1) ... [2024-06-03 20:57:13,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:13" (1/1) ... [2024-06-03 20:57:13,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-03 20:57:13,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-03 20:57:13,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-03 20:57:13,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-03 20:57:13,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:13" (1/1) ... [2024-06-03 20:57:13,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 20:57:13,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-03 20:57:13,417 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) [2024-06-03 20:57:13,423 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 [2024-06-03 20:57:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-03 20:57:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-03 20:57:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-03 20:57:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-03 20:57:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-03 20:57:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-03 20:57:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-03 20:57:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-03 20:57:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-03 20:57:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-03 20:57:13,454 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-03 20:57:13,577 INFO L244 CfgBuilder]: Building ICFG [2024-06-03 20:57:13,578 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-03 20:57:13,716 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-03 20:57:13,717 INFO L293 CfgBuilder]: Performing block encoding [2024-06-03 20:57:13,839 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-03 20:57:13,839 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-03 20:57:13,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 08:57:13 BoogieIcfgContainer [2024-06-03 20:57:13,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-03 20:57:13,841 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-03 20:57:13,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-03 20:57:13,844 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-03 20:57:13,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 08:57:11" (1/4) ... [2024-06-03 20:57:13,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66656cb4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 03.06 08:57:13, skipping insertion in model container [2024-06-03 20:57:13,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.06 08:57:12" (2/4) ... [2024-06-03 20:57:13,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66656cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 08:57:13, skipping insertion in model container [2024-06-03 20:57:13,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:13" (3/4) ... [2024-06-03 20:57:13,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66656cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 08:57:13, skipping insertion in model container [2024-06-03 20:57:13,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 08:57:13" (4/4) ... [2024-06-03 20:57:13,874 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2024-06-03 20:57:13,891 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-03 20:57:13,891 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-03 20:57:13,891 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-03 20:57:13,943 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-03 20:57:13,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 29 transitions, 62 flow [2024-06-03 20:57:14,010 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-06-03 20:57:14,012 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 20:57:14,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-06-03 20:57:14,015 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 29 transitions, 62 flow [2024-06-03 20:57:14,018 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 19 places, 15 transitions, 33 flow [2024-06-03 20:57:14,028 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-03 20:57:14,034 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;@9309cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-03 20:57:14,035 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-03 20:57:14,040 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-03 20:57:14,040 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-06-03 20:57:14,040 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 20:57:14,041 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 20:57:14,041 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-03 20:57:14,042 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-03 20:57:14,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 20:57:14,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1707998534, now seen corresponding path program 1 times [2024-06-03 20:57:14,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 20:57:14,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013099693] [2024-06-03 20:57:14,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 20:57:14,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 20:57:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 20:57:14,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 20:57:14,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 20:57:14,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013099693] [2024-06-03 20:57:14,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013099693] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 20:57:14,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 20:57:14,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-03 20:57:14,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183139974] [2024-06-03 20:57:14,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 20:57:14,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-03 20:57:14,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 20:57:14,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-03 20:57:14,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-03 20:57:14,459 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29 [2024-06-03 20:57:14,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 15 transitions, 33 flow. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 20:57:14,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 20:57:14,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29 [2024-06-03 20:57:14,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 20:57:14,517 INFO L124 PetriNetUnfolderBase]: 9/34 cut-off events. [2024-06-03 20:57:14,517 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 20:57:14,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 34 events. 9/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 5 based on Foata normal form. 3/35 useless extension candidates. Maximal degree in co-relation 56. Up to 20 conditions per place. [2024-06-03 20:57:14,520 INFO L140 encePairwiseOnDemand]: 26/29 looper letters, 11 selfloop transitions, 2 changer transitions 0/16 dead transitions. [2024-06-03 20:57:14,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 16 transitions, 61 flow [2024-06-03 20:57:14,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-03 20:57:14,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-03 20:57:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2024-06-03 20:57:14,532 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4367816091954023 [2024-06-03 20:57:14,533 INFO L175 Difference]: Start difference. First operand has 19 places, 15 transitions, 33 flow. Second operand 3 states and 38 transitions. [2024-06-03 20:57:14,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 16 transitions, 61 flow [2024-06-03 20:57:14,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 16 transitions, 60 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-03 20:57:14,539 INFO L231 Difference]: Finished difference. Result has 21 places, 15 transitions, 40 flow [2024-06-03 20:57:14,541 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=40, PETRI_PLACES=21, PETRI_TRANSITIONS=15} [2024-06-03 20:57:14,544 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 2 predicate places. [2024-06-03 20:57:14,545 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 15 transitions, 40 flow [2024-06-03 20:57:14,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 20:57:14,545 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 20:57:14,546 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 20:57:14,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-03 20:57:14,546 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-03 20:57:14,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 20:57:14,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1501585531, now seen corresponding path program 1 times [2024-06-03 20:57:14,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 20:57:14,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099157664] [2024-06-03 20:57:14,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 20:57:14,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 20:57:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 20:57:14,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 20:57:14,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 20:57:14,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099157664] [2024-06-03 20:57:14,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099157664] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 20:57:14,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 20:57:14,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-03 20:57:14,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015489098] [2024-06-03 20:57:14,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 20:57:14,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-03 20:57:14,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 20:57:14,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-03 20:57:14,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-03 20:57:14,706 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29 [2024-06-03 20:57:14,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 15 transitions, 40 flow. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 20:57:14,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 20:57:14,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29 [2024-06-03 20:57:14,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 20:57:14,746 INFO L124 PetriNetUnfolderBase]: 6/27 cut-off events. [2024-06-03 20:57:14,746 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-03 20:57:14,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 27 events. 6/27 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 23 event pairs, 2 based on Foata normal form. 4/30 useless extension candidates. Maximal degree in co-relation 46. Up to 12 conditions per place. [2024-06-03 20:57:14,747 INFO L140 encePairwiseOnDemand]: 27/29 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2024-06-03 20:57:14,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 15 transitions, 62 flow [2024-06-03 20:57:14,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-03 20:57:14,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-03 20:57:14,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2024-06-03 20:57:14,750 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42528735632183906 [2024-06-03 20:57:14,750 INFO L175 Difference]: Start difference. First operand has 21 places, 15 transitions, 40 flow. Second operand 3 states and 37 transitions. [2024-06-03 20:57:14,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 15 transitions, 62 flow [2024-06-03 20:57:14,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 15 transitions, 56 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-03 20:57:14,756 INFO L231 Difference]: Finished difference. Result has 19 places, 0 transitions, 0 flow [2024-06-03 20:57:14,757 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=19, PETRI_TRANSITIONS=0} [2024-06-03 20:57:14,759 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 0 predicate places. [2024-06-03 20:57:14,759 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 0 transitions, 0 flow [2024-06-03 20:57:14,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 20:57:14,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-03 20:57:14,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-03 20:57:14,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-03 20:57:14,769 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-03 20:57:14,776 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-03 20:57:14,777 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-03 20:57:14,786 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-03 20:57:14,786 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-03 20:57:14,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.06 08:57:14 BasicIcfg [2024-06-03 20:57:14,787 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-03 20:57:14,789 INFO L158 Benchmark]: Toolchain (without parser) took 2056.79ms. Allocated memory was 184.5MB in the beginning and 262.1MB in the end (delta: 77.6MB). Free memory was 123.8MB in the beginning and 180.4MB in the end (delta: -56.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-06-03 20:57:14,789 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 184.5MB. Free memory is still 150.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 20:57:14,789 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 184.5MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 20:57:14,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.31ms. Allocated memory is still 184.5MB. Free memory was 123.4MB in the beginning and 97.5MB in the end (delta: 25.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-03 20:57:14,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.93ms. Allocated memory is still 184.5MB. Free memory was 97.5MB in the beginning and 95.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-03 20:57:14,795 INFO L158 Benchmark]: Boogie Preprocessor took 49.71ms. Allocated memory is still 184.5MB. Free memory was 95.5MB in the beginning and 93.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-03 20:57:14,795 INFO L158 Benchmark]: RCFGBuilder took 455.71ms. Allocated memory is still 184.5MB. Free memory was 93.4MB in the beginning and 65.4MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-03 20:57:14,796 INFO L158 Benchmark]: TraceAbstraction took 946.11ms. Allocated memory was 184.5MB in the beginning and 262.1MB in the end (delta: 77.6MB). Free memory was 64.7MB in the beginning and 180.4MB in the end (delta: -115.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 20:57:14,800 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 184.5MB. Free memory is still 150.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 184.5MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.31ms. Allocated memory is still 184.5MB. Free memory was 123.4MB in the beginning and 97.5MB in the end (delta: 25.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.93ms. Allocated memory is still 184.5MB. Free memory was 97.5MB in the beginning and 95.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.71ms. Allocated memory is still 184.5MB. Free memory was 95.5MB in the beginning and 93.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 455.71ms. Allocated memory is still 184.5MB. Free memory was 93.4MB in the beginning and 65.4MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 946.11ms. Allocated memory was 184.5MB in the beginning and 262.1MB in the end (delta: 77.6MB). Free memory was 64.7MB in the beginning and 180.4MB in the end (delta: -115.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 41 locations, 2 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 1 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=1, InterpolantAutomatonStates: 6, 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, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-03 20:57:14,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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: TRUE