./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.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/36-apron_17-traces-rpb-litmus_unknown_1_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 76401ed0 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/36-apron_17-traces-rpb-litmus_unknown_1_neg.i ./goblint.2024-05-21_14-57-05.files/mutex-meet/36-apron_17-traces-rpb-litmus_unknown_1_neg.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-76401ed-m [2024-06-20 20:05:08,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-20 20:05:08,483 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-20 20:05:08,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-20 20:05:08,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-20 20:05:08,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-20 20:05:08,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-20 20:05:08,519 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-20 20:05:08,519 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-20 20:05:08,523 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-20 20:05:08,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-20 20:05:08,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-20 20:05:08,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-20 20:05:08,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-20 20:05:08,526 INFO L153 SettingsManager]: * Use SBE=true [2024-06-20 20:05:08,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-20 20:05:08,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-20 20:05:08,527 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-20 20:05:08,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-20 20:05:08,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-20 20:05:08,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-20 20:05:08,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-20 20:05:08,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-20 20:05:08,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-20 20:05:08,529 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-20 20:05:08,529 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-20 20:05:08,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-20 20:05:08,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-20 20:05:08,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-20 20:05:08,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-20 20:05:08,531 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-20 20:05:08,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-20 20:05:08,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 20:05:08,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-20 20:05:08,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-20 20:05:08,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-20 20:05:08,533 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-20 20:05:08,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-20 20:05:08,533 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-20 20:05:08,533 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-20 20:05:08,533 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-20 20:05:08,534 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-20 20:05:08,534 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-20 20:05:08,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-20 20:05:08,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-20 20:05:08,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-20 20:05:08,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-20 20:05:08,860 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-20 20:05:08,860 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-20 20:05:08,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/36-apron_17-traces-rpb-litmus_unknown_1_neg.yml/witness.yml [2024-06-20 20:05:08,969 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-20 20:05:08,969 INFO L274 PluginConnector]: CDTParser initialized [2024-06-20 20:05:08,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2024-06-20 20:05:10,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-20 20:05:10,307 INFO L384 CDTParser]: Found 1 translation units. [2024-06-20 20:05:10,307 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2024-06-20 20:05:10,325 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ce5472d4/a101f6cb43714b98b5819e0b00de4664/FLAG9387cb6f8 [2024-06-20 20:05:10,336 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ce5472d4/a101f6cb43714b98b5819e0b00de4664 [2024-06-20 20:05:10,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-20 20:05:10,338 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-20 20:05:10,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-20 20:05:10,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-20 20:05:10,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-20 20:05:10,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 08:05:08" (1/2) ... [2024-06-20 20:05:10,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a4c853 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 08:05:10, skipping insertion in model container [2024-06-20 20:05:10,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 08:05:08" (1/2) ... [2024-06-20 20:05:10,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@729e4f88 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 08:05:10, skipping insertion in model container [2024-06-20 20:05:10,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 08:05:10" (2/2) ... [2024-06-20 20:05:10,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a4c853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 08:05:10, skipping insertion in model container [2024-06-20 20:05:10,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 08:05:10" (2/2) ... [2024-06-20 20:05:10,348 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-20 20:05:10,388 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-20 20:05:10,389 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ((! multithreaded || (B_locked || ((((((0 <= g && 17 <= g) && g <= 42) && g <= 127) && g % 25 == 17) && g != 0) && (g == 17 || g == 42)))) && (! multithreaded || (A_locked || ((((((0 <= g && 17 <= g) && g <= 42) && g <= 127) && g % 25 == 17) && g != 0) && (g == 17 || g == 42))))) && (! multithreaded || ((((((0 <= g && 17 <= g) && g <= 42) && g <= 127) && g % 25 == 17) && g != 0) && (g == 17 || g == 42))) [2024-06-20 20:05:10,389 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-20 20:05:10,389 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-20 20:05:10,390 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-20 20:05:10,390 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-06-20 20:05:10,390 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-06-20 20:05:10,390 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] B_locked = 1; [2024-06-20 20:05:10,390 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] B_locked = 0; [2024-06-20 20:05:10,391 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] B_locked = 1; [2024-06-20 20:05:10,391 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] B_locked = 0; [2024-06-20 20:05:10,391 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] A_locked = 0; [2024-06-20 20:05:10,391 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 0; [2024-06-20 20:05:10,391 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] A_locked = 1; [2024-06-20 20:05:10,391 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] B_locked = 1; [2024-06-20 20:05:10,391 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] A_locked = 0; [2024-06-20 20:05:10,430 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-20 20:05:10,747 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 20:05:10,758 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 [2024-06-20 20:05:10,850 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 20:05:10,889 INFO L206 MainTranslator]: Completed translation [2024-06-20 20:05:10,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 08:05:10 WrapperNode [2024-06-20 20:05:10,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-20 20:05:10,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-20 20:05:10,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-20 20:05:10,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-20 20:05:10,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 08:05:10" (1/1) ... [2024-06-20 20:05:10,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 08:05:10" (1/1) ... [2024-06-20 20:05:11,003 INFO L138 Inliner]: procedures = 163, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-06-20 20:05:11,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-20 20:05:11,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-20 20:05:11,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-20 20:05:11,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-20 20:05:11,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 08:05:10" (1/1) ... [2024-06-20 20:05:11,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 08:05:10" (1/1) ... [2024-06-20 20:05:11,050 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 08:05:10" (1/1) ... [2024-06-20 20:05:11,068 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]. [2024-06-20 20:05:11,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 08:05:10" (1/1) ... [2024-06-20 20:05:11,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 08:05:10" (1/1) ... [2024-06-20 20:05:11,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 08:05:10" (1/1) ... [2024-06-20 20:05:11,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 08:05:10" (1/1) ... [2024-06-20 20:05:11,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 08:05:10" (1/1) ... [2024-06-20 20:05:11,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 08:05:10" (1/1) ... [2024-06-20 20:05:11,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-20 20:05:11,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-20 20:05:11,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-20 20:05:11,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-20 20:05:11,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 08:05:10" (1/1) ... [2024-06-20 20:05:11,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 20:05:11,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-20 20:05:11,125 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) [2024-06-20 20:05:11,133 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 [2024-06-20 20:05:11,157 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-20 20:05:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-20 20:05:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-20 20:05:11,158 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-20 20:05:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-20 20:05:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-20 20:05:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-20 20:05:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-20 20:05:11,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-20 20:05:11,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-20 20:05:11,160 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-20 20:05:11,268 INFO L244 CfgBuilder]: Building ICFG [2024-06-20 20:05:11,270 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-20 20:05:11,424 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-20 20:05:11,424 INFO L293 CfgBuilder]: Performing block encoding [2024-06-20 20:05:11,605 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-20 20:05:11,605 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-20 20:05:11,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 08:05:11 BoogieIcfgContainer [2024-06-20 20:05:11,606 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-20 20:05:11,609 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-20 20:05:11,609 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-20 20:05:11,612 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-20 20:05:11,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 08:05:08" (1/4) ... [2024-06-20 20:05:11,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128f5327 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.06 08:05:11, skipping insertion in model container [2024-06-20 20:05:11,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.06 08:05:10" (2/4) ... [2024-06-20 20:05:11,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128f5327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 08:05:11, skipping insertion in model container [2024-06-20 20:05:11,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 08:05:10" (3/4) ... [2024-06-20 20:05:11,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128f5327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 08:05:11, skipping insertion in model container [2024-06-20 20:05:11,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 08:05:11" (4/4) ... [2024-06-20 20:05:11,617 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2024-06-20 20:05:11,632 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-20 20:05:11,632 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-20 20:05:11,632 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-20 20:05:11,665 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-20 20:05:11,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 34 places, 31 transitions, 66 flow [2024-06-20 20:05:11,731 INFO L124 PetriNetUnfolderBase]: 1/30 cut-off events. [2024-06-20 20:05:11,733 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-20 20:05:11,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 30 events. 1/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 38 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place. [2024-06-20 20:05:11,735 INFO L82 GeneralOperation]: Start removeDead. Operand has 34 places, 31 transitions, 66 flow [2024-06-20 20:05:11,738 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 18 places, 14 transitions, 31 flow [2024-06-20 20:05:11,754 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-20 20:05:11,760 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;@e38732c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-20 20:05:11,764 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-20 20:05:11,772 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-20 20:05:11,772 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-20 20:05:11,772 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-20 20:05:11,773 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 20:05:11,773 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-20 20:05:11,774 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-20 20:05:11,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 20:05:11,781 INFO L85 PathProgramCache]: Analyzing trace with hash 241601140, now seen corresponding path program 1 times [2024-06-20 20:05:11,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 20:05:11,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558008113] [2024-06-20 20:05:11,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 20:05:11,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 20:05:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 20:05:12,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 20:05:12,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 20:05:12,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558008113] [2024-06-20 20:05:12,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558008113] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 20:05:12,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 20:05:12,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-20 20:05:12,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893929365] [2024-06-20 20:05:12,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 20:05:12,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-20 20:05:12,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 20:05:12,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-20 20:05:12,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-20 20:05:12,258 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 31 [2024-06-20 20:05:12,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 14 transitions, 31 flow. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-06-20 20:05:12,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 20:05:12,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 31 [2024-06-20 20:05:12,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 20:05:12,312 INFO L124 PetriNetUnfolderBase]: 6/26 cut-off events. [2024-06-20 20:05:12,312 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-20 20:05:12,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 26 events. 6/26 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 22 event pairs, 6 based on Foata normal form. 7/32 useless extension candidates. Maximal degree in co-relation 42. Up to 21 conditions per place. [2024-06-20 20:05:12,314 INFO L140 encePairwiseOnDemand]: 29/31 looper letters, 0 selfloop transitions, 0 changer transitions 13/13 dead transitions. [2024-06-20 20:05:12,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 13 transitions, 47 flow [2024-06-20 20:05:12,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-20 20:05:12,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-20 20:05:12,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2024-06-20 20:05:12,324 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4946236559139785 [2024-06-20 20:05:12,326 INFO L175 Difference]: Start difference. First operand has 18 places, 14 transitions, 31 flow. Second operand 3 states and 46 transitions. [2024-06-20 20:05:12,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 13 transitions, 47 flow [2024-06-20 20:05:12,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 13 transitions, 46 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-20 20:05:12,330 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2024-06-20 20:05:12,331 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2024-06-20 20:05:12,335 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 0 predicate places. [2024-06-20 20:05:12,335 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2024-06-20 20:05:12,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-06-20 20:05:12,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-20 20:05:12,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-20 20:05:12,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-20 20:05:12,339 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-06-20 20:05:12,343 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-20 20:05:12,343 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-20 20:05:12,353 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-20 20:05:12,353 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-20 20:05:12,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.06 08:05:12 BasicIcfg [2024-06-20 20:05:12,355 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-20 20:05:12,357 INFO L158 Benchmark]: Toolchain (without parser) took 2018.15ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 107.9MB in the beginning and 172.5MB in the end (delta: -64.6MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2024-06-20 20:05:12,357 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 58.1MB in the beginning and 58.1MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 20:05:12,358 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 20:05:12,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.61ms. Allocated memory is still 167.8MB. Free memory was 107.4MB in the beginning and 81.3MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-20 20:05:12,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.49ms. Allocated memory is still 167.8MB. Free memory was 81.3MB in the beginning and 135.3MB in the end (delta: -54.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-06-20 20:05:12,361 INFO L158 Benchmark]: Boogie Preprocessor took 96.89ms. Allocated memory is still 167.8MB. Free memory was 135.3MB in the beginning and 133.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-20 20:05:12,362 INFO L158 Benchmark]: RCFGBuilder took 504.00ms. Allocated memory is still 167.8MB. Free memory was 133.5MB in the beginning and 102.2MB in the end (delta: 31.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-06-20 20:05:12,365 INFO L158 Benchmark]: TraceAbstraction took 746.66ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 101.4MB in the beginning and 172.5MB in the end (delta: -71.1MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-06-20 20:05:12,369 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 0.18ms. Allocated memory is still 96.5MB. Free memory was 58.1MB in the beginning and 58.1MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.61ms. Allocated memory is still 167.8MB. Free memory was 107.4MB in the beginning and 81.3MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.49ms. Allocated memory is still 167.8MB. Free memory was 81.3MB in the beginning and 135.3MB in the end (delta: -54.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.89ms. Allocated memory is still 167.8MB. Free memory was 135.3MB in the beginning and 133.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.00ms. Allocated memory is still 167.8MB. Free memory was 133.5MB in the beginning and 102.2MB in the end (delta: 31.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 746.66ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 101.4MB in the beginning and 172.5MB in the end (delta: -71.1MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: 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, 42 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2024-06-20 20:05:12,403 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 Result: TRUE