./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.2024-06-19_11-23-25.files/mutex-meet-nonrel/36-apron_17-traces-rpb-litmus_unknown_1_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de 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.2024-06-19_11-23-25.files/mutex-meet-nonrel/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-7724a2d-m [2024-06-28 04:36:48,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-28 04:36:48,258 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-28 04:36:48,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-28 04:36:48,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-28 04:36:48,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-28 04:36:48,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-28 04:36:48,287 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-28 04:36:48,287 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-28 04:36:48,290 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-28 04:36:48,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-28 04:36:48,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-28 04:36:48,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-28 04:36:48,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-28 04:36:48,292 INFO L153 SettingsManager]: * Use SBE=true [2024-06-28 04:36:48,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-28 04:36:48,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-28 04:36:48,293 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-28 04:36:48,293 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-28 04:36:48,293 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-28 04:36:48,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-28 04:36:48,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-28 04:36:48,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-28 04:36:48,295 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-28 04:36:48,295 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-28 04:36:48,295 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-28 04:36:48,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-28 04:36:48,296 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-28 04:36:48,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-28 04:36:48,296 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-28 04:36:48,297 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-28 04:36:48,297 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-28 04:36:48,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 04:36:48,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-28 04:36:48,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-28 04:36:48,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-28 04:36:48,298 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-28 04:36:48,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-28 04:36:48,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-28 04:36:48,299 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-28 04:36:48,299 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-28 04:36:48,299 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-28 04:36:48,299 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-28 04:36:48,299 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-28 04:36:48,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-28 04:36:48,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-28 04:36:48,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-28 04:36:48,543 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-28 04:36:48,544 INFO L274 PluginConnector]: CDTParser initialized [2024-06-28 04:36:48,544 INFO L431 ainManager$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 [2024-06-28 04:36:49,577 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-28 04:36:49,838 INFO L384 CDTParser]: Found 1 translation units. [2024-06-28 04:36:49,839 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2024-06-28 04:36:49,850 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1931dc7d0/c4956577dac4450d9043658fe2048cf9/FLAGcbc801871 [2024-06-28 04:36:49,862 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1931dc7d0/c4956577dac4450d9043658fe2048cf9 [2024-06-28 04:36:49,864 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-28 04:36:49,864 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-28 04:36:49,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/36-apron_17-traces-rpb-litmus_unknown_1_neg.yml/witness.yml [2024-06-28 04:36:49,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-28 04:36:49,964 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-28 04:36:49,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-28 04:36:49,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-28 04:36:49,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-28 04:36:49,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 04:36:49" (1/2) ... [2024-06-28 04:36:49,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d316689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:49, skipping insertion in model container [2024-06-28 04:36:49,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 04:36:49" (1/2) ... [2024-06-28 04:36:49,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2bd94bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:49, skipping insertion in model container [2024-06-28 04:36:49,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 04:36:49" (2/2) ... [2024-06-28 04:36:49,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d316689 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:49, skipping insertion in model container [2024-06-28 04:36:49,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 04:36:49" (2/2) ... [2024-06-28 04:36:49,972 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-28 04:36:50,001 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-28 04:36:50,003 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ((! multithreaded || (B_locked || (g == 17 || g == 42))) && (! multithreaded || (A_locked || (g == 17 || g == 42)))) && (! multithreaded || (g == 17 || g == 42)) [2024-06-28 04:36:50,003 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-28 04:36:50,003 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-28 04:36:50,003 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-28 04:36:50,003 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] B_locked = 1; [2024-06-28 04:36:50,004 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] A_locked = 0; [2024-06-28 04:36:50,004 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] B_locked = 1; [2024-06-28 04:36:50,004 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] A_locked = 0; [2024-06-28 04:36:50,005 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] B_locked = 0; [2024-06-28 04:36:50,005 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] B_locked = 1; [2024-06-28 04:36:50,005 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-06-28 04:36:50,005 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 0; [2024-06-28 04:36:50,005 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-06-28 04:36:50,006 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] B_locked = 0; [2024-06-28 04:36:50,006 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] A_locked = 1; [2024-06-28 04:36:50,044 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-28 04:36:50,275 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 04:36:50,288 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 [2024-06-28 04:36:50,374 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 04:36:50,401 INFO L206 MainTranslator]: Completed translation [2024-06-28 04:36:50,401 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:50 WrapperNode [2024-06-28 04:36:50,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-28 04:36:50,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-28 04:36:50,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-28 04:36:50,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-28 04:36:50,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:50" (1/1) ... [2024-06-28 04:36:50,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:50" (1/1) ... [2024-06-28 04:36:50,429 INFO L138 Inliner]: procedures = 163, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-06-28 04:36:50,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-28 04:36:50,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-28 04:36:50,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-28 04:36:50,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-28 04:36:50,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:50" (1/1) ... [2024-06-28 04:36:50,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:50" (1/1) ... [2024-06-28 04:36:50,453 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:50" (1/1) ... [2024-06-28 04:36:50,468 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]. [2024-06-28 04:36:50,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:50" (1/1) ... [2024-06-28 04:36:50,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:50" (1/1) ... [2024-06-28 04:36:50,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:50" (1/1) ... [2024-06-28 04:36:50,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:50" (1/1) ... [2024-06-28 04:36:50,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:50" (1/1) ... [2024-06-28 04:36:50,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:50" (1/1) ... [2024-06-28 04:36:50,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-28 04:36:50,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-28 04:36:50,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-28 04:36:50,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-28 04:36:50,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:50" (1/1) ... [2024-06-28 04:36:50,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 04:36:50,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-28 04:36:50,517 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) [2024-06-28 04:36:50,519 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 [2024-06-28 04:36:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-28 04:36:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-28 04:36:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-28 04:36:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-28 04:36:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-28 04:36:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-28 04:36:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-28 04:36:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-28 04:36:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-28 04:36:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-28 04:36:50,552 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-28 04:36:50,647 INFO L244 CfgBuilder]: Building ICFG [2024-06-28 04:36:50,648 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-28 04:36:50,773 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-28 04:36:50,774 INFO L293 CfgBuilder]: Performing block encoding [2024-06-28 04:36:50,867 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-28 04:36:50,867 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-28 04:36:50,867 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 04:36:50 BoogieIcfgContainer [2024-06-28 04:36:50,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-28 04:36:50,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-28 04:36:50,869 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-28 04:36:50,871 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-28 04:36:50,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.06 04:36:49" (1/4) ... [2024-06-28 04:36:50,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d0bae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 04:36:50, skipping insertion in model container [2024-06-28 04:36:50,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 04:36:49" (2/4) ... [2024-06-28 04:36:50,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d0bae9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 04:36:50, skipping insertion in model container [2024-06-28 04:36:50,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:50" (3/4) ... [2024-06-28 04:36:50,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d0bae9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 04:36:50, skipping insertion in model container [2024-06-28 04:36:50,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 04:36:50" (4/4) ... [2024-06-28 04:36:50,873 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2024-06-28 04:36:50,885 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-28 04:36:50,885 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-28 04:36:50,886 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-28 04:36:50,910 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-28 04:36:50,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 34 places, 31 transitions, 66 flow [2024-06-28 04:36:50,948 INFO L124 PetriNetUnfolderBase]: 1/30 cut-off events. [2024-06-28 04:36:50,948 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-28 04:36:50,950 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. [2024-06-28 04:36:50,950 INFO L82 GeneralOperation]: Start removeDead. Operand has 34 places, 31 transitions, 66 flow [2024-06-28 04:36:50,952 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 18 places, 14 transitions, 31 flow [2024-06-28 04:36:50,958 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-28 04:36:50,962 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;@6f80b492, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-28 04:36:50,962 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-28 04:36:50,965 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-28 04:36:50,965 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-28 04:36:50,965 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-28 04:36:50,965 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 04:36:50,966 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-28 04:36:50,966 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-28 04:36:50,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 04:36:50,969 INFO L85 PathProgramCache]: Analyzing trace with hash 241601140, now seen corresponding path program 1 times [2024-06-28 04:36:50,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 04:36:50,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582651822] [2024-06-28 04:36:50,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 04:36:50,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 04:36:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 04:36:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 04:36:51,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 04:36:51,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582651822] [2024-06-28 04:36:51,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582651822] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 04:36:51,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 04:36:51,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-28 04:36:51,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553119870] [2024-06-28 04:36:51,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 04:36:51,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 04:36:51,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 04:36:51,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 04:36:51,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 04:36:51,254 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 31 [2024-06-28 04:36:51,256 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) [2024-06-28 04:36:51,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 04:36:51,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 31 [2024-06-28 04:36:51,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 04:36:51,275 INFO L124 PetriNetUnfolderBase]: 6/26 cut-off events. [2024-06-28 04:36:51,275 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-28 04:36:51,275 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. [2024-06-28 04:36:51,276 INFO L140 encePairwiseOnDemand]: 29/31 looper letters, 0 selfloop transitions, 0 changer transitions 13/13 dead transitions. [2024-06-28 04:36:51,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 13 transitions, 47 flow [2024-06-28 04:36:51,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 04:36:51,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 04:36:51,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2024-06-28 04:36:51,288 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4946236559139785 [2024-06-28 04:36:51,289 INFO L175 Difference]: Start difference. First operand has 18 places, 14 transitions, 31 flow. Second operand 3 states and 46 transitions. [2024-06-28 04:36:51,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 13 transitions, 47 flow [2024-06-28 04:36:51,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 13 transitions, 46 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-28 04:36:51,292 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2024-06-28 04:36:51,294 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} [2024-06-28 04:36:51,298 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 0 predicate places. [2024-06-28 04:36:51,299 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2024-06-28 04:36:51,299 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) [2024-06-28 04:36:51,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-28 04:36:51,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-28 04:36:51,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-28 04:36:51,302 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-06-28 04:36:51,305 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-28 04:36:51,305 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-28 04:36:51,309 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-28 04:36:51,310 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-28 04:36:51,310 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.06 04:36:51 BasicIcfg [2024-06-28 04:36:51,311 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-28 04:36:51,311 INFO L158 Benchmark]: Toolchain (without parser) took 1347.27ms. Allocated memory is still 188.7MB. Free memory was 151.5MB in the beginning and 136.9MB in the end (delta: 14.6MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-06-28 04:36:51,311 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory was 87.5MB in the beginning and 87.4MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 04:36:51,312 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 188.7MB. Free memory is still 155.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 04:36:51,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.85ms. Allocated memory is still 188.7MB. Free memory was 151.5MB in the beginning and 125.3MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-28 04:36:51,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.30ms. Allocated memory is still 188.7MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 04:36:51,316 INFO L158 Benchmark]: Boogie Preprocessor took 47.38ms. Allocated memory is still 188.7MB. Free memory was 123.2MB in the beginning and 121.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 04:36:51,316 INFO L158 Benchmark]: RCFGBuilder took 389.88ms. Allocated memory is still 188.7MB. Free memory was 121.1MB in the beginning and 90.7MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-06-28 04:36:51,316 INFO L158 Benchmark]: TraceAbstraction took 441.63ms. Allocated memory is still 188.7MB. Free memory was 89.7MB in the beginning and 136.9MB in the end (delta: -47.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 04:36:51,318 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory was 87.5MB in the beginning and 87.4MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 188.7MB. Free memory is still 155.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.85ms. Allocated memory is still 188.7MB. Free memory was 151.5MB in the beginning and 125.3MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.30ms. Allocated memory is still 188.7MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.38ms. Allocated memory is still 188.7MB. Free memory was 123.2MB in the beginning and 121.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 389.88ms. Allocated memory is still 188.7MB. Free memory was 121.1MB in the beginning and 90.7MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 441.63ms. Allocated memory is still 188.7MB. Free memory was 89.7MB in the beginning and 136.9MB in the end (delta: -47.2MB). There was no memory consumed. 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: 0.4s, 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, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s 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, 0.0s SatisfiabilityAnalysisTime, 0.1s 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! [2024-06-28 04:36:51,341 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